TSTP Solution File: GRP755-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : GRP755-1 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n029.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri Sep 16 22:29:44 EDT 2022

% Result   : Unsatisfiable 4.57s 3.15s
% Output   : Proof 4.82s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRP755-1 : TPTP v8.1.0. Released v4.0.0.
% 0.12/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.33  % Computer : n029.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Wed Aug 31 21:00:28 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.19/0.34  Usage: tptp [options] [-file:]file
% 0.19/0.34    -h, -?       prints this message.
% 0.19/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.19/0.34    -m, -model   generate model.
% 0.19/0.34    -p, -proof   generate proof.
% 0.19/0.34    -c, -core    generate unsat core of named formulas.
% 0.19/0.34    -st, -statistics display statistics.
% 0.19/0.34    -t:timeout   set timeout (in second).
% 0.19/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.19/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.19/0.34    -<param>:<value> configuration parameter and value.
% 0.19/0.34    -o:<output-file> file to place output in.
% 4.57/3.15  % SZS status Unsatisfiable
% 4.57/3.15  % SZS output start Proof
% 4.57/3.15  tff(mult_type, type, (
% 4.57/3.15     mult: ( $i * $i ) > $i)).
% 4.57/3.15  tff(b_type, type, (
% 4.57/3.15     b: $i)).
% 4.57/3.15  tff(ld_type, type, (
% 4.57/3.15     ld: ( $i * $i ) > $i)).
% 4.57/3.15  tff(unit_type, type, (
% 4.57/3.15     unit: $i)).
% 4.57/3.15  tff(a_type, type, (
% 4.57/3.15     a: $i)).
% 4.57/3.15  tff(i_type, type, (
% 4.57/3.15     i: $i > $i)).
% 4.57/3.15  tff(rd_type, type, (
% 4.57/3.15     rd: ( $i * $i ) > $i)).
% 4.57/3.15  tff(1,plain,
% 4.57/3.15      ((mult(mult(a, b), ld(mult(a, b), unit)) = mult(a, mult(ld(mult(a, b), unit), b))) <=> (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit)))),
% 4.57/3.15      inference(commutativity,[status(thm)],[])).
% 4.57/3.15  tff(2,plain,
% 4.57/3.15      (^[A: $i] : refl((mult(A, unit) = A) <=> (mult(A, unit) = A))),
% 4.57/3.15      inference(bind,[status(th)],[])).
% 4.57/3.15  tff(3,plain,
% 4.57/3.15      (![A: $i] : (mult(A, unit) = A) <=> ![A: $i] : (mult(A, unit) = A)),
% 4.57/3.15      inference(quant_intro,[status(thm)],[2])).
% 4.57/3.15  tff(4,plain,
% 4.57/3.15      (![A: $i] : (mult(A, unit) = A) <=> ![A: $i] : (mult(A, unit) = A)),
% 4.57/3.15      inference(rewrite,[status(thm)],[])).
% 4.57/3.15  tff(5,axiom,(![A: $i] : (mult(A, unit) = A)), file('/export/starexec/sandbox/benchmark/theBenchmark.p','f05')).
% 4.57/3.15  tff(6,plain,
% 4.57/3.15      (![A: $i] : (mult(A, unit) = A)),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[5, 4])).
% 4.57/3.15  tff(7,plain,(
% 4.57/3.15      ![A: $i] : (mult(A, unit) = A)),
% 4.57/3.15      inference(skolemize,[status(sab)],[6])).
% 4.57/3.15  tff(8,plain,
% 4.57/3.15      (![A: $i] : (mult(A, unit) = A)),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[7, 3])).
% 4.57/3.15  tff(9,plain,
% 4.57/3.15      ((~![A: $i] : (mult(A, unit) = A)) | (mult(a, unit) = a)),
% 4.57/3.15      inference(quant_inst,[status(thm)],[])).
% 4.57/3.15  tff(10,plain,
% 4.57/3.15      (mult(a, unit) = a),
% 4.57/3.15      inference(unit_resolution,[status(thm)],[9, 8])).
% 4.57/3.15  tff(11,plain,
% 4.57/3.15      (^[B: $i, A: $i] : refl((mult(A, ld(A, B)) = B) <=> (mult(A, ld(A, B)) = B))),
% 4.57/3.15      inference(bind,[status(th)],[])).
% 4.57/3.15  tff(12,plain,
% 4.57/3.15      (![B: $i, A: $i] : (mult(A, ld(A, B)) = B) <=> ![B: $i, A: $i] : (mult(A, ld(A, B)) = B)),
% 4.57/3.15      inference(quant_intro,[status(thm)],[11])).
% 4.57/3.15  tff(13,plain,
% 4.57/3.15      (![B: $i, A: $i] : (mult(A, ld(A, B)) = B) <=> ![B: $i, A: $i] : (mult(A, ld(A, B)) = B)),
% 4.57/3.15      inference(rewrite,[status(thm)],[])).
% 4.57/3.15  tff(14,axiom,(![B: $i, A: $i] : (mult(A, ld(A, B)) = B)), file('/export/starexec/sandbox/benchmark/theBenchmark.p','f01')).
% 4.57/3.15  tff(15,plain,
% 4.57/3.15      (![B: $i, A: $i] : (mult(A, ld(A, B)) = B)),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[14, 13])).
% 4.57/3.15  tff(16,plain,(
% 4.57/3.15      ![B: $i, A: $i] : (mult(A, ld(A, B)) = B)),
% 4.57/3.15      inference(skolemize,[status(sab)],[15])).
% 4.57/3.15  tff(17,plain,
% 4.57/3.15      (![B: $i, A: $i] : (mult(A, ld(A, B)) = B)),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[16, 12])).
% 4.57/3.15  tff(18,plain,
% 4.57/3.15      ((~![B: $i, A: $i] : (mult(A, ld(A, B)) = B)) | (mult(b, ld(b, unit)) = unit)),
% 4.57/3.15      inference(quant_inst,[status(thm)],[])).
% 4.57/3.15  tff(19,plain,
% 4.57/3.15      (mult(b, ld(b, unit)) = unit),
% 4.57/3.15      inference(unit_resolution,[status(thm)],[18, 17])).
% 4.57/3.15  tff(20,plain,
% 4.57/3.15      (^[A: $i] : refl((i(A) = ld(A, unit)) <=> (i(A) = ld(A, unit)))),
% 4.57/3.15      inference(bind,[status(th)],[])).
% 4.57/3.15  tff(21,plain,
% 4.57/3.15      (![A: $i] : (i(A) = ld(A, unit)) <=> ![A: $i] : (i(A) = ld(A, unit))),
% 4.57/3.15      inference(quant_intro,[status(thm)],[20])).
% 4.57/3.15  tff(22,plain,
% 4.57/3.15      (![A: $i] : (i(A) = ld(A, unit)) <=> ![A: $i] : (i(A) = ld(A, unit))),
% 4.57/3.15      inference(rewrite,[status(thm)],[])).
% 4.57/3.15  tff(23,axiom,(![A: $i] : (i(A) = ld(A, unit))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','f09')).
% 4.57/3.15  tff(24,plain,
% 4.57/3.15      (![A: $i] : (i(A) = ld(A, unit))),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[23, 22])).
% 4.57/3.15  tff(25,plain,(
% 4.57/3.15      ![A: $i] : (i(A) = ld(A, unit))),
% 4.57/3.15      inference(skolemize,[status(sab)],[24])).
% 4.57/3.15  tff(26,plain,
% 4.57/3.15      (![A: $i] : (i(A) = ld(A, unit))),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[25, 21])).
% 4.57/3.15  tff(27,plain,
% 4.57/3.15      ((~![A: $i] : (i(A) = ld(A, unit))) | (i(b) = ld(b, unit))),
% 4.57/3.15      inference(quant_inst,[status(thm)],[])).
% 4.57/3.15  tff(28,plain,
% 4.57/3.15      (i(b) = ld(b, unit)),
% 4.57/3.15      inference(unit_resolution,[status(thm)],[27, 26])).
% 4.57/3.15  tff(29,plain,
% 4.57/3.15      (mult(b, i(b)) = mult(b, ld(b, unit))),
% 4.57/3.15      inference(monotonicity,[status(thm)],[28])).
% 4.57/3.15  tff(30,plain,
% 4.57/3.15      (mult(b, i(b)) = unit),
% 4.57/3.15      inference(transitivity,[status(thm)],[29, 19])).
% 4.57/3.15  tff(31,plain,
% 4.57/3.15      (mult(a, mult(b, i(b))) = mult(a, unit)),
% 4.57/3.15      inference(monotonicity,[status(thm)],[30])).
% 4.57/3.15  tff(32,plain,
% 4.57/3.15      (mult(b, ld(b, unit)) = mult(b, i(b))),
% 4.57/3.15      inference(symmetry,[status(thm)],[29])).
% 4.57/3.15  tff(33,assumption,(~(mult(unit, i(b)) = i(b))), introduced(assumption)).
% 4.57/3.15  tff(34,plain,
% 4.57/3.15      (^[A: $i] : refl((mult(unit, A) = A) <=> (mult(unit, A) = A))),
% 4.57/3.15      inference(bind,[status(th)],[])).
% 4.57/3.15  tff(35,plain,
% 4.57/3.15      (![A: $i] : (mult(unit, A) = A) <=> ![A: $i] : (mult(unit, A) = A)),
% 4.57/3.15      inference(quant_intro,[status(thm)],[34])).
% 4.57/3.15  tff(36,plain,
% 4.57/3.15      (![A: $i] : (mult(unit, A) = A) <=> ![A: $i] : (mult(unit, A) = A)),
% 4.57/3.15      inference(rewrite,[status(thm)],[])).
% 4.57/3.15  tff(37,axiom,(![A: $i] : (mult(unit, A) = A)), file('/export/starexec/sandbox/benchmark/theBenchmark.p','f06')).
% 4.57/3.15  tff(38,plain,
% 4.57/3.15      (![A: $i] : (mult(unit, A) = A)),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[37, 36])).
% 4.57/3.15  tff(39,plain,(
% 4.57/3.15      ![A: $i] : (mult(unit, A) = A)),
% 4.57/3.15      inference(skolemize,[status(sab)],[38])).
% 4.57/3.15  tff(40,plain,
% 4.57/3.15      (![A: $i] : (mult(unit, A) = A)),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[39, 35])).
% 4.57/3.15  tff(41,plain,
% 4.57/3.15      ((~![A: $i] : (mult(unit, A) = A)) | (mult(unit, i(b)) = i(b))),
% 4.57/3.15      inference(quant_inst,[status(thm)],[])).
% 4.57/3.15  tff(42,plain,
% 4.57/3.15      ($false),
% 4.57/3.15      inference(unit_resolution,[status(thm)],[41, 40, 33])).
% 4.57/3.15  tff(43,plain,(mult(unit, i(b)) = i(b)), inference(lemma,lemma(discharge,[]))).
% 4.57/3.15  tff(44,plain,
% 4.57/3.15      (mult(mult(b, i(b)), i(b)) = mult(unit, i(b))),
% 4.57/3.15      inference(monotonicity,[status(thm)],[30])).
% 4.57/3.15  tff(45,plain,
% 4.57/3.15      (^[B: $i, A: $i, C: $i] : refl(((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C))) <=> ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C))))),
% 4.57/3.15      inference(bind,[status(th)],[])).
% 4.57/3.15  tff(46,plain,
% 4.57/3.15      (![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C))) <=> ![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))),
% 4.57/3.15      inference(quant_intro,[status(thm)],[45])).
% 4.57/3.15  tff(47,plain,
% 4.57/3.15      (![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C))) <=> ![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))),
% 4.57/3.15      inference(rewrite,[status(thm)],[])).
% 4.57/3.15  tff(48,axiom,(![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','f08')).
% 4.57/3.15  tff(49,plain,
% 4.57/3.15      (![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[48, 47])).
% 4.57/3.15  tff(50,plain,(
% 4.57/3.15      ![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))),
% 4.57/3.15      inference(skolemize,[status(sab)],[49])).
% 4.57/3.15  tff(51,plain,
% 4.57/3.15      (![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[50, 46])).
% 4.57/3.15  tff(52,plain,
% 4.57/3.15      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b))))),
% 4.57/3.15      inference(rewrite,[status(thm)],[])).
% 4.57/3.15  tff(53,plain,
% 4.57/3.15      (((mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b))) | (mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b)))) <=> (mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b)))),
% 4.57/3.15      inference(rewrite,[status(thm)],[])).
% 4.57/3.15  tff(54,plain,
% 4.57/3.15      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b))) | (mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b))))),
% 4.57/3.15      inference(monotonicity,[status(thm)],[53])).
% 4.57/3.15  tff(55,plain,
% 4.57/3.15      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b))) | (mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b))))),
% 4.57/3.15      inference(transitivity,[status(thm)],[54, 52])).
% 4.57/3.15  tff(56,plain,
% 4.57/3.15      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b))) | (mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b))))),
% 4.57/3.15      inference(quant_inst,[status(thm)],[])).
% 4.57/3.15  tff(57,plain,
% 4.57/3.15      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b)))),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[56, 55])).
% 4.57/3.15  tff(58,plain,
% 4.57/3.15      (mult(b, mult(i(b), i(b))) = mult(mult(b, i(b)), i(b))),
% 4.57/3.15      inference(unit_resolution,[status(thm)],[57, 51])).
% 4.57/3.15  tff(59,plain,
% 4.57/3.15      (mult(b, mult(i(b), i(b))) = ld(b, unit)),
% 4.57/3.15      inference(transitivity,[status(thm)],[58, 44, 43, 28])).
% 4.57/3.15  tff(60,plain,
% 4.57/3.15      (mult(b, mult(b, mult(i(b), i(b)))) = mult(b, ld(b, unit))),
% 4.57/3.15      inference(monotonicity,[status(thm)],[59])).
% 4.57/3.15  tff(61,plain,
% 4.57/3.15      (mult(b, mult(i(b), i(b))) = i(b)),
% 4.57/3.15      inference(transitivity,[status(thm)],[58, 44, 43])).
% 4.57/3.15  tff(62,plain,
% 4.57/3.15      (mult(mult(b, mult(i(b), i(b))), b) = mult(i(b), b)),
% 4.57/3.15      inference(monotonicity,[status(thm)],[61])).
% 4.57/3.15  tff(63,plain,
% 4.57/3.15      (mult(i(b), b) = mult(mult(b, mult(i(b), i(b))), b)),
% 4.57/3.15      inference(symmetry,[status(thm)],[62])).
% 4.57/3.15  tff(64,plain,
% 4.57/3.15      (mult(mult(unit, i(b)), b) = mult(i(b), b)),
% 4.57/3.15      inference(monotonicity,[status(thm)],[43])).
% 4.57/3.15  tff(65,plain,
% 4.57/3.15      (mult(mult(unit, i(b)), b) = mult(mult(b, mult(i(b), i(b))), b)),
% 4.57/3.15      inference(transitivity,[status(thm)],[64, 63])).
% 4.57/3.15  tff(66,plain,
% 4.57/3.15      (mult(b, ld(b, unit)) = mult(b, mult(b, mult(i(b), i(b))))),
% 4.57/3.15      inference(symmetry,[status(thm)],[60])).
% 4.57/3.15  tff(67,plain,
% 4.57/3.15      (unit = mult(b, ld(b, unit))),
% 4.57/3.15      inference(symmetry,[status(thm)],[19])).
% 4.57/3.15  tff(68,plain,
% 4.57/3.15      ((~![A: $i] : (mult(unit, A) = A)) | (mult(unit, unit) = unit)),
% 4.57/3.15      inference(quant_inst,[status(thm)],[])).
% 4.57/3.15  tff(69,plain,
% 4.57/3.15      (mult(unit, unit) = unit),
% 4.57/3.15      inference(unit_resolution,[status(thm)],[68, 40])).
% 4.57/3.15  tff(70,plain,
% 4.57/3.15      (mult(unit, mult(b, i(b))) = mult(unit, unit)),
% 4.57/3.15      inference(monotonicity,[status(thm)],[30])).
% 4.57/3.15  tff(71,plain,
% 4.57/3.15      (mult(unit, mult(b, i(b))) = mult(b, mult(b, mult(i(b), i(b))))),
% 4.57/3.15      inference(transitivity,[status(thm)],[70, 69, 67, 66])).
% 4.57/3.15  tff(72,plain,
% 4.57/3.15      ((mult(unit, mult(b, i(b))) = mult(mult(unit, i(b)), b)) <=> (mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), b))),
% 4.57/3.15      inference(monotonicity,[status(thm)],[71, 65])).
% 4.57/3.15  tff(73,assumption,(~(mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), b))), introduced(assumption)).
% 4.57/3.15  tff(74,plain,
% 4.57/3.15      (^[B: $i, A: $i] : refl((rd(mult(A, B), B) = A) <=> (rd(mult(A, B), B) = A))),
% 4.57/3.15      inference(bind,[status(th)],[])).
% 4.57/3.15  tff(75,plain,
% 4.57/3.15      (![B: $i, A: $i] : (rd(mult(A, B), B) = A) <=> ![B: $i, A: $i] : (rd(mult(A, B), B) = A)),
% 4.57/3.15      inference(quant_intro,[status(thm)],[74])).
% 4.57/3.15  tff(76,plain,
% 4.57/3.15      (![B: $i, A: $i] : (rd(mult(A, B), B) = A) <=> ![B: $i, A: $i] : (rd(mult(A, B), B) = A)),
% 4.57/3.15      inference(rewrite,[status(thm)],[])).
% 4.57/3.15  tff(77,axiom,(![B: $i, A: $i] : (rd(mult(A, B), B) = A)), file('/export/starexec/sandbox/benchmark/theBenchmark.p','f04')).
% 4.57/3.15  tff(78,plain,
% 4.57/3.15      (![B: $i, A: $i] : (rd(mult(A, B), B) = A)),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[77, 76])).
% 4.57/3.15  tff(79,plain,(
% 4.57/3.15      ![B: $i, A: $i] : (rd(mult(A, B), B) = A)),
% 4.57/3.15      inference(skolemize,[status(sab)],[78])).
% 4.57/3.15  tff(80,plain,
% 4.57/3.15      (![B: $i, A: $i] : (rd(mult(A, B), B) = A)),
% 4.57/3.15      inference(modus_ponens,[status(thm)],[79, 75])).
% 4.57/3.15  tff(81,plain,
% 4.57/3.15      ((~![B: $i, A: $i] : (rd(mult(A, B), B) = A)) | (rd(mult(mult(i(b), b), mult(i(b), i(b))), mult(i(b), i(b))) = mult(i(b), b))),
% 4.57/3.16      inference(quant_inst,[status(thm)],[])).
% 4.57/3.16  tff(82,plain,
% 4.57/3.16      (rd(mult(mult(i(b), b), mult(i(b), i(b))), mult(i(b), i(b))) = mult(i(b), b)),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[81, 80])).
% 4.57/3.16  tff(83,plain,
% 4.57/3.16      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b))))),
% 4.57/3.16      inference(rewrite,[status(thm)],[])).
% 4.57/3.16  tff(84,plain,
% 4.57/3.16      (((mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b))) | (mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b)))) <=> (mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b)))),
% 4.57/3.16      inference(rewrite,[status(thm)],[])).
% 4.57/3.16  tff(85,plain,
% 4.57/3.16      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b))) | (mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b))))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[84])).
% 4.57/3.16  tff(86,plain,
% 4.57/3.16      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b))) | (mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b))))),
% 4.57/3.16      inference(transitivity,[status(thm)],[85, 83])).
% 4.57/3.16  tff(87,plain,
% 4.57/3.16      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b))) | (mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b))))),
% 4.57/3.16      inference(quant_inst,[status(thm)],[])).
% 4.57/3.16  tff(88,plain,
% 4.57/3.16      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b)))),
% 4.57/3.16      inference(modus_ponens,[status(thm)],[87, 86])).
% 4.57/3.16  tff(89,plain,
% 4.57/3.16      (mult(unit, mult(i(b), i(b))) = mult(mult(unit, i(b)), i(b))),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[88, 51])).
% 4.57/3.16  tff(90,plain,
% 4.57/3.16      (mult(mult(unit, i(b)), i(b)) = mult(unit, mult(i(b), i(b)))),
% 4.57/3.16      inference(symmetry,[status(thm)],[89])).
% 4.57/3.16  tff(91,plain,
% 4.57/3.16      (mult(mult(unit, i(b)), i(b)) = mult(i(b), i(b))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[43])).
% 4.57/3.16  tff(92,plain,
% 4.57/3.16      (mult(i(b), i(b)) = mult(mult(unit, i(b)), i(b))),
% 4.57/3.16      inference(symmetry,[status(thm)],[91])).
% 4.57/3.16  tff(93,plain,
% 4.57/3.16      (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(i(b), i(b))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[61])).
% 4.57/3.16  tff(94,assumption,(mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b)))), introduced(assumption)).
% 4.57/3.16  tff(95,plain,
% 4.57/3.16      (mult(mult(i(b), b), mult(i(b), i(b))) = mult(i(b), mult(b, mult(i(b), i(b))))),
% 4.57/3.16      inference(symmetry,[status(thm)],[94])).
% 4.57/3.16  tff(96,plain,
% 4.57/3.16      (mult(mult(i(b), b), mult(i(b), i(b))) = mult(unit, mult(i(b), i(b)))),
% 4.57/3.16      inference(transitivity,[status(thm)],[95, 93, 92, 90])).
% 4.57/3.16  tff(97,plain,
% 4.57/3.16      (rd(mult(mult(i(b), b), mult(i(b), i(b))), mult(i(b), i(b))) = rd(mult(unit, mult(i(b), i(b))), mult(i(b), i(b)))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[96])).
% 4.57/3.16  tff(98,plain,
% 4.57/3.16      (rd(mult(unit, mult(i(b), i(b))), mult(i(b), i(b))) = rd(mult(mult(i(b), b), mult(i(b), i(b))), mult(i(b), i(b)))),
% 4.57/3.16      inference(symmetry,[status(thm)],[97])).
% 4.57/3.16  tff(99,plain,
% 4.57/3.16      ((~![B: $i, A: $i] : (rd(mult(A, B), B) = A)) | (rd(mult(unit, mult(i(b), i(b))), mult(i(b), i(b))) = unit)),
% 4.57/3.16      inference(quant_inst,[status(thm)],[])).
% 4.57/3.16  tff(100,plain,
% 4.57/3.16      (rd(mult(unit, mult(i(b), i(b))), mult(i(b), i(b))) = unit),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[99, 80])).
% 4.57/3.16  tff(101,plain,
% 4.57/3.16      (unit = rd(mult(unit, mult(i(b), i(b))), mult(i(b), i(b)))),
% 4.57/3.16      inference(symmetry,[status(thm)],[100])).
% 4.57/3.16  tff(102,plain,
% 4.57/3.16      (mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), b)),
% 4.57/3.16      inference(transitivity,[status(thm)],[60, 19, 101, 98, 82, 63])).
% 4.57/3.16  tff(103,plain,
% 4.57/3.16      ($false),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[73, 102])).
% 4.57/3.16  tff(104,plain,((~(mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b))))) | (mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), b))), inference(lemma,lemma(discharge,[]))).
% 4.57/3.16  tff(105,plain,
% 4.57/3.16      (~(mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b))))),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[104, 73])).
% 4.57/3.16  tff(106,assumption,(~(mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b))))), introduced(assumption)).
% 4.57/3.16  tff(107,plain,
% 4.57/3.16      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b)))) | (mult(i(b), mult(mult(i(b), i(b)), b)) = mult(mult(i(b), b), mult(i(b), i(b)))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b)))) | (mult(i(b), mult(mult(i(b), i(b)), b)) = mult(mult(i(b), b), mult(i(b), i(b)))))),
% 4.57/3.16      inference(rewrite,[status(thm)],[])).
% 4.57/3.16  tff(108,plain,
% 4.57/3.16      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b)))) | (mult(i(b), mult(mult(i(b), i(b)), b)) = mult(mult(i(b), b), mult(i(b), i(b)))))),
% 4.57/3.16      inference(quant_inst,[status(thm)],[])).
% 4.57/3.16  tff(109,plain,
% 4.57/3.16      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b)))) | (mult(i(b), mult(mult(i(b), i(b)), b)) = mult(mult(i(b), b), mult(i(b), i(b))))),
% 4.57/3.16      inference(modus_ponens,[status(thm)],[108, 107])).
% 4.57/3.16  tff(110,plain,
% 4.57/3.16      ((mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b)))) | (mult(i(b), mult(mult(i(b), i(b)), b)) = mult(mult(i(b), b), mult(i(b), i(b))))),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[109, 51])).
% 4.57/3.16  tff(111,plain,
% 4.57/3.16      (mult(i(b), mult(mult(i(b), i(b)), b)) = mult(mult(i(b), b), mult(i(b), i(b)))),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[110, 106])).
% 4.57/3.16  tff(112,assumption,(mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b))), introduced(assumption)).
% 4.57/3.16  tff(113,plain,
% 4.57/3.16      (mult(mult(unit, b), i(b)) = mult(unit, mult(b, i(b)))),
% 4.57/3.16      inference(symmetry,[status(thm)],[112])).
% 4.57/3.16  tff(114,plain,
% 4.57/3.16      (mult(mult(unit, b), i(b)) = unit),
% 4.57/3.16      inference(transitivity,[status(thm)],[113, 70, 69])).
% 4.57/3.16  tff(115,plain,
% 4.57/3.16      (mult(mult(mult(unit, b), i(b)), i(b)) = mult(unit, i(b))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[114])).
% 4.57/3.16  tff(116,plain,
% 4.57/3.16      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b))))),
% 4.57/3.16      inference(rewrite,[status(thm)],[])).
% 4.57/3.16  tff(117,plain,
% 4.57/3.16      (((mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b))) | (mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b)))) <=> (mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b)))),
% 4.57/3.16      inference(rewrite,[status(thm)],[])).
% 4.57/3.16  tff(118,plain,
% 4.57/3.16      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b))) | (mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b))))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[117])).
% 4.57/3.16  tff(119,plain,
% 4.57/3.16      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b))) | (mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b))))),
% 4.57/3.16      inference(transitivity,[status(thm)],[118, 116])).
% 4.57/3.16  tff(120,plain,
% 4.57/3.16      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b))) | (mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b))))),
% 4.57/3.16      inference(quant_inst,[status(thm)],[])).
% 4.57/3.16  tff(121,plain,
% 4.57/3.16      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b)))),
% 4.57/3.16      inference(modus_ponens,[status(thm)],[120, 119])).
% 4.57/3.16  tff(122,plain,
% 4.57/3.16      (mult(mult(unit, b), mult(i(b), i(b))) = mult(mult(mult(unit, b), i(b)), i(b))),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[121, 51])).
% 4.57/3.16  tff(123,plain,
% 4.57/3.16      (^[B: $i, A: $i, C: $i] : refl(((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C))) <=> ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C))))),
% 4.57/3.16      inference(bind,[status(th)],[])).
% 4.57/3.16  tff(124,plain,
% 4.57/3.16      (![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C))) <=> ![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))),
% 4.57/3.16      inference(quant_intro,[status(thm)],[123])).
% 4.57/3.16  tff(125,plain,
% 4.57/3.16      (![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C))) <=> ![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))),
% 4.57/3.16      inference(rewrite,[status(thm)],[])).
% 4.57/3.16  tff(126,plain,
% 4.57/3.16      (^[B: $i, A: $i, C: $i] : rewrite(((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(B, C)) = mult(mult(A, C), B))) <=> ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C))))),
% 4.57/3.16      inference(bind,[status(th)],[])).
% 4.57/3.16  tff(127,plain,
% 4.57/3.16      (![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(B, C)) = mult(mult(A, C), B))) <=> ![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))),
% 4.57/3.16      inference(quant_intro,[status(thm)],[126])).
% 4.57/3.16  tff(128,axiom,(![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(B, C)) = mult(mult(A, C), B)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','f07')).
% 4.57/3.16  tff(129,plain,
% 4.57/3.16      (![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))),
% 4.57/3.16      inference(modus_ponens,[status(thm)],[128, 127])).
% 4.57/3.16  tff(130,plain,
% 4.57/3.16      (![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))),
% 4.57/3.16      inference(modus_ponens,[status(thm)],[129, 125])).
% 4.57/3.16  tff(131,plain,(
% 4.57/3.16      ![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))),
% 4.57/3.16      inference(skolemize,[status(sab)],[130])).
% 4.57/3.16  tff(132,plain,
% 4.57/3.16      (![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))),
% 4.57/3.16      inference(modus_ponens,[status(thm)],[131, 124])).
% 4.57/3.16  tff(133,plain,
% 4.57/3.16      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), mult(i(b), i(b))), b)) | (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b)))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), mult(i(b), i(b))), b)) | (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b)))))),
% 4.57/3.16      inference(rewrite,[status(thm)],[])).
% 4.57/3.16  tff(134,plain,
% 4.57/3.16      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), mult(i(b), i(b))), b)) | (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b)))))),
% 4.57/3.16      inference(quant_inst,[status(thm)],[])).
% 4.57/3.16  tff(135,plain,
% 4.57/3.16      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), mult(i(b), i(b))), b)) | (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b))))),
% 4.57/3.16      inference(modus_ponens,[status(thm)],[134, 133])).
% 4.57/3.16  tff(136,plain,
% 4.57/3.16      ((mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), mult(i(b), i(b))), b)) | (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b))))),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[135, 132])).
% 4.57/3.16  tff(137,plain,
% 4.57/3.16      (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), mult(i(b), i(b))), b)),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[136, 106])).
% 4.57/3.16  tff(138,plain,
% 4.57/3.16      (mult(unit, mult(i(b), i(b))) = mult(i(b), i(b))),
% 4.57/3.16      inference(transitivity,[status(thm)],[89, 91])).
% 4.57/3.16  tff(139,plain,
% 4.57/3.16      (mult(mult(unit, mult(i(b), i(b))), b) = mult(mult(i(b), i(b)), b)),
% 4.57/3.16      inference(monotonicity,[status(thm)],[138])).
% 4.57/3.16  tff(140,plain,
% 4.57/3.16      (mult(mult(i(b), i(b)), b) = mult(mult(unit, mult(i(b), i(b))), b)),
% 4.57/3.16      inference(symmetry,[status(thm)],[139])).
% 4.57/3.16  tff(141,plain,
% 4.57/3.16      (mult(mult(b, i(b)), mult(i(b), i(b))) = mult(unit, mult(i(b), i(b)))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[30])).
% 4.57/3.16  tff(142,plain,
% 4.57/3.16      (mult(mult(b, mult(i(b), i(b))), i(b)) = mult(i(b), i(b))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[61])).
% 4.57/3.16  tff(143,plain,
% 4.57/3.16      (mult(i(b), i(b)) = mult(mult(b, mult(i(b), i(b))), i(b))),
% 4.57/3.16      inference(symmetry,[status(thm)],[142])).
% 4.57/3.16  tff(144,plain,
% 4.57/3.16      (mult(mult(b, i(b)), mult(i(b), i(b))) = mult(mult(b, mult(i(b), i(b))), i(b))),
% 4.57/3.16      inference(transitivity,[status(thm)],[141, 89, 91, 143])).
% 4.57/3.16  tff(145,plain,
% 4.57/3.16      ((mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, i(b)), mult(i(b), i(b)))) <=> (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), i(b)))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[144])).
% 4.57/3.16  tff(146,plain,
% 4.57/3.16      ((mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), i(b))) <=> (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, i(b)), mult(i(b), i(b))))),
% 4.57/3.16      inference(symmetry,[status(thm)],[145])).
% 4.57/3.16  tff(147,assumption,(~(mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, i(b)), mult(i(b), i(b))))), introduced(assumption)).
% 4.57/3.16  tff(148,plain,
% 4.57/3.16      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), i(b))) | (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, i(b)), mult(i(b), i(b)))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), i(b))) | (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, i(b)), mult(i(b), i(b)))))),
% 4.57/3.16      inference(rewrite,[status(thm)],[])).
% 4.57/3.16  tff(149,plain,
% 4.57/3.16      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), i(b))) | (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, i(b)), mult(i(b), i(b)))))),
% 4.57/3.16      inference(quant_inst,[status(thm)],[])).
% 4.57/3.16  tff(150,plain,
% 4.57/3.16      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), i(b))) | (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, i(b)), mult(i(b), i(b))))),
% 4.57/3.16      inference(modus_ponens,[status(thm)],[149, 148])).
% 4.57/3.16  tff(151,plain,
% 4.57/3.16      ((mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), i(b))) | (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, i(b)), mult(i(b), i(b))))),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[150, 132])).
% 4.57/3.16  tff(152,plain,
% 4.57/3.16      (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), i(b))),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[151, 147])).
% 4.57/3.16  tff(153,plain,
% 4.57/3.16      (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, i(b)), mult(i(b), i(b)))),
% 4.57/3.16      inference(modus_ponens,[status(thm)],[152, 146])).
% 4.57/3.16  tff(154,plain,
% 4.57/3.16      ($false),
% 4.57/3.16      inference(unit_resolution,[status(thm)],[147, 153])).
% 4.57/3.16  tff(155,plain,(mult(b, mult(i(b), mult(i(b), i(b)))) = mult(mult(b, i(b)), mult(i(b), i(b)))), inference(lemma,lemma(discharge,[]))).
% 4.57/3.16  tff(156,plain,
% 4.57/3.16      (mult(b, mult(i(b), mult(i(b), i(b)))) = mult(i(b), i(b))),
% 4.57/3.16      inference(transitivity,[status(thm)],[155, 141, 89, 91])).
% 4.57/3.16  tff(157,plain,
% 4.57/3.16      (mult(mult(b, mult(i(b), mult(i(b), i(b)))), b) = mult(mult(i(b), i(b)), b)),
% 4.57/3.16      inference(monotonicity,[status(thm)],[156])).
% 4.57/3.16  tff(158,plain,
% 4.57/3.16      (mult(mult(b, mult(i(b), mult(i(b), i(b)))), b) = mult(mult(unit, mult(i(b), i(b))), b)),
% 4.57/3.16      inference(transitivity,[status(thm)],[157, 140])).
% 4.57/3.16  tff(159,plain,
% 4.57/3.16      (mult(unit, mult(b, mult(i(b), i(b)))) = mult(unit, i(b))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[61])).
% 4.57/3.16  tff(160,plain,
% 4.57/3.16      (mult(unit, i(b)) = mult(unit, mult(b, mult(i(b), i(b))))),
% 4.57/3.16      inference(symmetry,[status(thm)],[159])).
% 4.57/3.16  tff(161,assumption,(mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), mult(i(b), i(b))), b)), introduced(assumption)).
% 4.57/3.16  tff(162,plain,
% 4.57/3.16      (mult(mult(i(b), mult(i(b), i(b))), b) = mult(i(b), mult(b, mult(i(b), i(b))))),
% 4.57/3.16      inference(symmetry,[status(thm)],[161])).
% 4.57/3.16  tff(163,plain,
% 4.57/3.16      (mult(mult(i(b), mult(i(b), i(b))), b) = mult(i(b), i(b))),
% 4.57/3.16      inference(transitivity,[status(thm)],[162, 93])).
% 4.57/3.16  tff(164,plain,
% 4.57/3.16      (mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(b, mult(i(b), i(b)))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[163])).
% 4.57/3.16  tff(165,plain,
% 4.57/3.16      (mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(unit, mult(b, mult(i(b), i(b))))),
% 4.57/3.16      inference(transitivity,[status(thm)],[164, 58, 44, 160])).
% 4.57/3.16  tff(166,plain,
% 4.57/3.16      ((mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)) <=> (mult(unit, mult(b, mult(i(b), i(b)))) = mult(mult(unit, mult(i(b), i(b))), b))),
% 4.57/3.16      inference(monotonicity,[status(thm)],[165, 158])).
% 4.57/3.16  tff(167,plain,
% 4.57/3.16      ((mult(unit, mult(b, mult(i(b), i(b)))) = mult(mult(unit, mult(i(b), i(b))), b)) <=> (mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b))),
% 4.57/3.16      inference(symmetry,[status(thm)],[166])).
% 4.57/3.16  tff(168,plain,
% 4.57/3.16      ((mult(mult(unit, mult(i(b), i(b))), b) = mult(unit, mult(b, mult(i(b), i(b))))) <=> (mult(unit, mult(b, mult(i(b), i(b)))) = mult(mult(unit, mult(i(b), i(b))), b))),
% 4.57/3.16      inference(commutativity,[status(thm)],[])).
% 4.57/3.16  tff(169,plain,
% 4.57/3.16      (mult(mult(unit, b), mult(i(b), i(b))) = mult(unit, mult(b, mult(i(b), i(b))))),
% 4.57/3.16      inference(transitivity,[status(thm)],[122, 115, 160])).
% 4.57/3.16  tff(170,assumption,(~(mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b))))), introduced(assumption)).
% 4.57/3.17  tff(171,plain,
% 4.57/3.17      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) | (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, mult(i(b), i(b))), b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) | (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, mult(i(b), i(b))), b)))),
% 4.57/3.17      inference(rewrite,[status(thm)],[])).
% 4.57/3.17  tff(172,plain,
% 4.57/3.17      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) | (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, mult(i(b), i(b))), b)))),
% 4.57/3.17      inference(quant_inst,[status(thm)],[])).
% 4.57/3.17  tff(173,plain,
% 4.57/3.17      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) | (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, mult(i(b), i(b))), b))),
% 4.57/3.17      inference(modus_ponens,[status(thm)],[172, 171])).
% 4.57/3.17  tff(174,plain,
% 4.57/3.17      ((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) | (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, mult(i(b), i(b))), b))),
% 4.57/3.17      inference(unit_resolution,[status(thm)],[173, 132])).
% 4.57/3.17  tff(175,plain,
% 4.57/3.17      (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, mult(i(b), i(b))), b)),
% 4.57/3.17      inference(unit_resolution,[status(thm)],[174, 170])).
% 4.57/3.17  tff(176,plain,
% 4.57/3.17      ((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) <=> (mult(mult(unit, mult(i(b), i(b))), b) = mult(unit, mult(b, mult(i(b), i(b)))))),
% 4.57/3.17      inference(monotonicity,[status(thm)],[175, 169])).
% 4.57/3.17  tff(177,plain,
% 4.57/3.17      ((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) <=> (mult(unit, mult(b, mult(i(b), i(b)))) = mult(mult(unit, mult(i(b), i(b))), b))),
% 4.57/3.17      inference(transitivity,[status(thm)],[176, 168])).
% 4.57/3.17  tff(178,plain,
% 4.57/3.17      ((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) <=> (mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b))),
% 4.57/3.17      inference(transitivity,[status(thm)],[177, 167])).
% 4.57/3.17  tff(179,plain,
% 4.57/3.17      ((~(mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b))))) <=> (~(mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)))),
% 4.57/3.17      inference(monotonicity,[status(thm)],[178])).
% 4.57/3.17  tff(180,plain,
% 4.57/3.17      (~(mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b))),
% 4.57/3.17      inference(modus_ponens,[status(thm)],[170, 179])).
% 4.57/3.17  tff(181,plain,
% 4.57/3.17      (mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(b, mult(i(b), i(b)))),
% 4.57/3.17      inference(monotonicity,[status(thm)],[156])).
% 4.57/3.17  tff(182,plain,
% 4.57/3.17      (mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(unit, mult(b, mult(i(b), i(b))))),
% 4.57/3.17      inference(transitivity,[status(thm)],[181, 58, 44, 160])).
% 4.57/3.17  tff(183,plain,
% 4.57/3.17      ((mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)) <=> (mult(unit, mult(b, mult(i(b), i(b)))) = mult(mult(unit, mult(i(b), i(b))), b))),
% 4.57/3.17      inference(monotonicity,[status(thm)],[182, 158])).
% 4.57/3.17  tff(184,plain,
% 4.57/3.17      ((mult(unit, mult(b, mult(i(b), i(b)))) = mult(mult(unit, mult(i(b), i(b))), b)) <=> (mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b))),
% 4.57/3.17      inference(symmetry,[status(thm)],[183])).
% 4.57/3.17  tff(185,plain,
% 4.57/3.17      ((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) <=> (mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b))),
% 4.57/3.17      inference(transitivity,[status(thm)],[177, 184])).
% 4.57/3.17  tff(186,plain,
% 4.57/3.17      ((~(mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b))))) <=> (~(mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)))),
% 4.57/3.17      inference(monotonicity,[status(thm)],[185])).
% 4.57/3.17  tff(187,plain,
% 4.57/3.17      (~(mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b))),
% 4.57/3.17      inference(modus_ponens,[status(thm)],[170, 186])).
% 4.57/3.17  tff(188,plain,
% 4.57/3.17      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)) | (mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)) | (mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)))),
% 4.57/3.17      inference(rewrite,[status(thm)],[])).
% 4.57/3.17  tff(189,plain,
% 4.57/3.17      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)) | (mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)))),
% 4.57/3.17      inference(quant_inst,[status(thm)],[])).
% 4.57/3.17  tff(190,plain,
% 4.57/3.17      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)) | (mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b))),
% 4.57/3.17      inference(modus_ponens,[status(thm)],[189, 188])).
% 4.57/3.17  tff(191,plain,
% 4.57/3.17      ((mult(b, mult(mult(i(b), mult(i(b), i(b))), b)) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b)) | (mult(b, mult(b, mult(i(b), mult(i(b), i(b))))) = mult(mult(b, mult(i(b), mult(i(b), i(b)))), b))),
% 4.57/3.17      inference(unit_resolution,[status(thm)],[190, 51])).
% 4.57/3.17  tff(192,plain,
% 4.57/3.17      ($false),
% 4.57/3.17      inference(unit_resolution,[status(thm)],[191, 187, 180])).
% 4.57/3.17  tff(193,plain,((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) | (~(mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b)))) | (~(mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), mult(i(b), i(b))), b)))), inference(lemma,lemma(discharge,[]))).
% 4.57/3.17  tff(194,plain,
% 4.57/3.17      (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))),
% 4.57/3.17      inference(unit_resolution,[status(thm)],[193, 112, 137])).
% 4.57/3.17  tff(195,plain,
% 4.57/3.17      ((~![A: $i] : (mult(unit, A) = A)) | (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(i(b), i(b)), b))),
% 4.57/3.17      inference(quant_inst,[status(thm)],[])).
% 4.57/3.17  tff(196,plain,
% 4.57/3.17      (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(i(b), i(b)), b)),
% 4.57/3.17      inference(unit_resolution,[status(thm)],[195, 40])).
% 4.57/3.17  tff(197,plain,
% 4.57/3.17      (mult(mult(i(b), i(b)), b) = mult(unit, mult(mult(i(b), i(b)), b))),
% 4.57/3.17      inference(symmetry,[status(thm)],[196])).
% 4.57/3.17  tff(198,plain,
% 4.57/3.17      (mult(mult(i(b), i(b)), b) = i(b)),
% 4.57/3.17      inference(transitivity,[status(thm)],[197, 194, 122, 115, 43])).
% 4.57/3.17  tff(199,plain,
% 4.57/3.17      (mult(i(b), mult(mult(i(b), i(b)), b)) = mult(i(b), i(b))),
% 4.57/3.17      inference(monotonicity,[status(thm)],[198])).
% 4.57/3.17  tff(200,plain,
% 4.57/3.17      (mult(i(b), i(b)) = mult(i(b), mult(mult(i(b), i(b)), b))),
% 4.57/3.17      inference(symmetry,[status(thm)],[199])).
% 4.57/3.17  tff(201,plain,
% 4.57/3.17      (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b)))),
% 4.57/3.17      inference(transitivity,[status(thm)],[93, 200, 111])).
% 4.57/3.17  tff(202,plain,
% 4.57/3.17      ($false),
% 4.57/3.17      inference(unit_resolution,[status(thm)],[106, 201])).
% 4.57/3.17  tff(203,plain,((~(mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b)))) | (mult(i(b), mult(b, mult(i(b), i(b)))) = mult(mult(i(b), b), mult(i(b), i(b))))), inference(lemma,lemma(discharge,[]))).
% 4.57/3.17  tff(204,plain,
% 4.57/3.17      (~(mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b)))),
% 4.57/3.17      inference(unit_resolution,[status(thm)],[203, 105])).
% 4.57/3.17  tff(205,plain,
% 4.67/3.17      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(unit, mult(b, i(b))) = mult(mult(unit, i(b)), b)) | (mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(unit, mult(b, i(b))) = mult(mult(unit, i(b)), b)) | (mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b))))),
% 4.67/3.17      inference(rewrite,[status(thm)],[])).
% 4.67/3.17  tff(206,plain,
% 4.67/3.17      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(unit, mult(b, i(b))) = mult(mult(unit, i(b)), b)) | (mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b))))),
% 4.67/3.17      inference(quant_inst,[status(thm)],[])).
% 4.67/3.17  tff(207,plain,
% 4.67/3.17      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(unit, mult(b, i(b))) = mult(mult(unit, i(b)), b)) | (mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b)))),
% 4.67/3.17      inference(modus_ponens,[status(thm)],[206, 205])).
% 4.67/3.17  tff(208,plain,
% 4.67/3.17      ((mult(unit, mult(b, i(b))) = mult(mult(unit, i(b)), b)) | (mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b)))),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[207, 132])).
% 4.67/3.17  tff(209,plain,
% 4.67/3.17      (mult(unit, mult(b, i(b))) = mult(mult(unit, i(b)), b)),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[208, 204])).
% 4.67/3.17  tff(210,plain,
% 4.67/3.17      (mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), b)),
% 4.67/3.17      inference(modus_ponens,[status(thm)],[209, 72])).
% 4.67/3.17  tff(211,plain,
% 4.67/3.17      ($false),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[73, 210])).
% 4.67/3.17  tff(212,plain,(mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, mult(i(b), i(b))), b)), inference(lemma,lemma(discharge,[]))).
% 4.67/3.17  tff(213,plain,
% 4.67/3.17      (mult(mult(b, mult(i(b), i(b))), b) = mult(b, mult(b, mult(i(b), i(b))))),
% 4.67/3.17      inference(symmetry,[status(thm)],[212])).
% 4.67/3.17  tff(214,plain,
% 4.67/3.17      (mult(mult(b, i(b)), i(b)) = mult(b, mult(i(b), i(b)))),
% 4.67/3.17      inference(symmetry,[status(thm)],[58])).
% 4.67/3.17  tff(215,plain,
% 4.67/3.17      (mult(unit, i(b)) = mult(mult(b, i(b)), i(b))),
% 4.67/3.17      inference(symmetry,[status(thm)],[44])).
% 4.67/3.17  tff(216,plain,
% 4.67/3.17      (i(b) = mult(unit, i(b))),
% 4.67/3.17      inference(symmetry,[status(thm)],[43])).
% 4.67/3.17  tff(217,plain,
% 4.67/3.17      (i(b) = mult(b, mult(i(b), i(b)))),
% 4.67/3.17      inference(transitivity,[status(thm)],[216, 215, 214])).
% 4.67/3.17  tff(218,plain,
% 4.67/3.17      (mult(i(b), b) = mult(mult(b, mult(i(b), i(b))), b)),
% 4.67/3.17      inference(monotonicity,[status(thm)],[217])).
% 4.67/3.17  tff(219,plain,
% 4.67/3.17      (mult(i(b), b) = mult(b, i(b))),
% 4.67/3.17      inference(transitivity,[status(thm)],[218, 213, 60, 32])).
% 4.67/3.17  tff(220,plain,
% 4.67/3.17      (mult(a, mult(i(b), b)) = mult(a, mult(b, i(b)))),
% 4.67/3.17      inference(monotonicity,[status(thm)],[219])).
% 4.67/3.17  tff(221,plain,
% 4.67/3.17      ((mult(a, mult(i(b), b)) = mult(mult(a, b), i(b))) <=> (mult(a, mult(b, i(b))) = mult(mult(a, b), i(b)))),
% 4.67/3.17      inference(monotonicity,[status(thm)],[220])).
% 4.67/3.17  tff(222,assumption,(~(mult(a, mult(b, i(b))) = mult(mult(a, b), i(b)))), introduced(assumption)).
% 4.67/3.17  tff(223,plain,
% 4.67/3.17      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, i(b))) = mult(mult(a, b), i(b))) | (mult(a, mult(i(b), b)) = mult(mult(a, b), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(b, i(b))) = mult(mult(a, b), i(b))) | (mult(a, mult(i(b), b)) = mult(mult(a, b), i(b))))),
% 4.67/3.17      inference(rewrite,[status(thm)],[])).
% 4.67/3.17  tff(224,plain,
% 4.67/3.17      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, i(b))) = mult(mult(a, b), i(b))) | (mult(a, mult(i(b), b)) = mult(mult(a, b), i(b))))),
% 4.67/3.17      inference(quant_inst,[status(thm)],[])).
% 4.67/3.17  tff(225,plain,
% 4.67/3.17      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(b, i(b))) = mult(mult(a, b), i(b))) | (mult(a, mult(i(b), b)) = mult(mult(a, b), i(b)))),
% 4.67/3.17      inference(modus_ponens,[status(thm)],[224, 223])).
% 4.67/3.17  tff(226,plain,
% 4.67/3.17      ((mult(a, mult(b, i(b))) = mult(mult(a, b), i(b))) | (mult(a, mult(i(b), b)) = mult(mult(a, b), i(b)))),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[225, 51])).
% 4.67/3.17  tff(227,plain,
% 4.67/3.17      (mult(a, mult(i(b), b)) = mult(mult(a, b), i(b))),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[226, 222])).
% 4.67/3.17  tff(228,plain,
% 4.67/3.17      (mult(a, mult(b, i(b))) = mult(mult(a, b), i(b))),
% 4.67/3.17      inference(modus_ponens,[status(thm)],[227, 221])).
% 4.67/3.17  tff(229,plain,
% 4.67/3.17      ($false),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[222, 228])).
% 4.67/3.17  tff(230,plain,(mult(a, mult(b, i(b))) = mult(mult(a, b), i(b))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.17  tff(231,plain,
% 4.67/3.17      (mult(mult(a, b), i(b)) = mult(a, mult(b, i(b)))),
% 4.67/3.17      inference(symmetry,[status(thm)],[230])).
% 4.67/3.17  tff(232,plain,
% 4.67/3.17      (mult(mult(a, b), i(b)) = a),
% 4.67/3.17      inference(transitivity,[status(thm)],[231, 31, 10])).
% 4.67/3.17  tff(233,plain,
% 4.67/3.17      (mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)) = mult(a, mult(ld(mult(a, b), unit), b))),
% 4.67/3.17      inference(monotonicity,[status(thm)],[232])).
% 4.67/3.17  tff(234,plain,
% 4.67/3.17      ((~![A: $i] : (mult(unit, A) = A)) | (mult(unit, ld(mult(a, b), unit)) = ld(mult(a, b), unit))),
% 4.67/3.17      inference(quant_inst,[status(thm)],[])).
% 4.67/3.17  tff(235,plain,
% 4.67/3.17      (mult(unit, ld(mult(a, b), unit)) = ld(mult(a, b), unit)),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[234, 40])).
% 4.67/3.17  tff(236,plain,
% 4.67/3.17      (mult(i(b), b) = unit),
% 4.67/3.17      inference(transitivity,[status(thm)],[218, 213, 60, 19])).
% 4.67/3.17  tff(237,plain,
% 4.67/3.17      (mult(mult(i(b), b), ld(mult(a, b), unit)) = mult(unit, ld(mult(a, b), unit))),
% 4.67/3.17      inference(monotonicity,[status(thm)],[236])).
% 4.67/3.17  tff(238,assumption,(mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))), introduced(assumption)).
% 4.67/3.17  tff(239,plain,
% 4.67/3.17      (mult(i(b), mult(ld(mult(a, b), unit), b)) = ld(mult(a, b), unit)),
% 4.67/3.17      inference(transitivity,[status(thm)],[238, 237, 235])).
% 4.67/3.17  tff(240,plain,
% 4.67/3.17      (mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, b), ld(mult(a, b), unit))),
% 4.67/3.17      inference(monotonicity,[status(thm)],[239])).
% 4.67/3.17  tff(241,plain,
% 4.67/3.17      ((mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))) <=> (mult(mult(a, b), ld(mult(a, b), unit)) = mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.17      inference(monotonicity,[status(thm)],[240, 233])).
% 4.67/3.17  tff(242,plain,
% 4.67/3.17      ((mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))) <=> (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit)))),
% 4.67/3.17      inference(transitivity,[status(thm)],[241, 1])).
% 4.67/3.17  tff(243,plain,
% 4.67/3.17      ((mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit))) <=> (mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.17      inference(symmetry,[status(thm)],[242])).
% 4.67/3.17  tff(244,plain,
% 4.67/3.17      ((~(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit)))) <=> (~(mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.17      inference(monotonicity,[status(thm)],[243])).
% 4.67/3.17  tff(245,plain,
% 4.67/3.17      (^[B: $i, A: $i] : refl((ld(A, mult(A, B)) = B) <=> (ld(A, mult(A, B)) = B))),
% 4.67/3.17      inference(bind,[status(th)],[])).
% 4.67/3.17  tff(246,plain,
% 4.67/3.17      (![B: $i, A: $i] : (ld(A, mult(A, B)) = B) <=> ![B: $i, A: $i] : (ld(A, mult(A, B)) = B)),
% 4.67/3.17      inference(quant_intro,[status(thm)],[245])).
% 4.67/3.17  tff(247,plain,
% 4.67/3.17      (![B: $i, A: $i] : (ld(A, mult(A, B)) = B) <=> ![B: $i, A: $i] : (ld(A, mult(A, B)) = B)),
% 4.67/3.17      inference(rewrite,[status(thm)],[])).
% 4.67/3.17  tff(248,axiom,(![B: $i, A: $i] : (ld(A, mult(A, B)) = B)), file('/export/starexec/sandbox/benchmark/theBenchmark.p','f02')).
% 4.67/3.17  tff(249,plain,
% 4.67/3.17      (![B: $i, A: $i] : (ld(A, mult(A, B)) = B)),
% 4.67/3.17      inference(modus_ponens,[status(thm)],[248, 247])).
% 4.67/3.17  tff(250,plain,(
% 4.67/3.17      ![B: $i, A: $i] : (ld(A, mult(A, B)) = B)),
% 4.67/3.17      inference(skolemize,[status(sab)],[249])).
% 4.67/3.17  tff(251,plain,
% 4.67/3.17      (![B: $i, A: $i] : (ld(A, mult(A, B)) = B)),
% 4.67/3.17      inference(modus_ponens,[status(thm)],[250, 246])).
% 4.67/3.17  tff(252,plain,
% 4.67/3.17      ((~![B: $i, A: $i] : (ld(A, mult(A, B)) = B)) | (ld(a, mult(a, mult(ld(mult(a, b), unit), b))) = mult(ld(mult(a, b), unit), b))),
% 4.67/3.17      inference(quant_inst,[status(thm)],[])).
% 4.67/3.17  tff(253,plain,
% 4.67/3.17      (ld(a, mult(a, mult(ld(mult(a, b), unit), b))) = mult(ld(mult(a, b), unit), b)),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[252, 251])).
% 4.67/3.17  tff(254,assumption,(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit))), introduced(assumption)).
% 4.67/3.17  tff(255,plain,
% 4.67/3.17      (mult(mult(a, b), ld(mult(a, b), unit)) = mult(a, mult(ld(mult(a, b), unit), b))),
% 4.67/3.17      inference(symmetry,[status(thm)],[254])).
% 4.67/3.17  tff(256,plain,
% 4.67/3.17      ((~![B: $i, A: $i] : (mult(A, ld(A, B)) = B)) | (mult(mult(a, b), ld(mult(a, b), unit)) = unit)),
% 4.67/3.17      inference(quant_inst,[status(thm)],[])).
% 4.67/3.17  tff(257,plain,
% 4.67/3.17      (mult(mult(a, b), ld(mult(a, b), unit)) = unit),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[256, 17])).
% 4.67/3.17  tff(258,plain,
% 4.67/3.17      (unit = mult(mult(a, b), ld(mult(a, b), unit))),
% 4.67/3.17      inference(symmetry,[status(thm)],[257])).
% 4.67/3.17  tff(259,plain,
% 4.67/3.17      (unit = mult(a, mult(ld(mult(a, b), unit), b))),
% 4.67/3.17      inference(transitivity,[status(thm)],[258, 255])).
% 4.67/3.17  tff(260,plain,
% 4.67/3.17      (ld(a, unit) = ld(a, mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.17      inference(monotonicity,[status(thm)],[259])).
% 4.67/3.17  tff(261,plain,
% 4.67/3.17      ((~![A: $i] : (i(A) = ld(A, unit))) | (i(a) = ld(a, unit))),
% 4.67/3.17      inference(quant_inst,[status(thm)],[])).
% 4.67/3.17  tff(262,plain,
% 4.67/3.17      (i(a) = ld(a, unit)),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[261, 26])).
% 4.67/3.17  tff(263,plain,
% 4.67/3.17      (i(a) = mult(ld(mult(a, b), unit), b)),
% 4.67/3.17      inference(transitivity,[status(thm)],[262, 260, 253])).
% 4.67/3.17  tff(264,plain,
% 4.67/3.17      (mult(i(b), i(a)) = mult(i(b), mult(ld(mult(a, b), unit), b))),
% 4.67/3.17      inference(monotonicity,[status(thm)],[263])).
% 4.67/3.17  tff(265,plain,
% 4.67/3.17      (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(i(b), i(a))),
% 4.67/3.17      inference(symmetry,[status(thm)],[264])).
% 4.67/3.17  tff(266,plain,
% 4.67/3.17      (mult(mult(i(b), b), ld(mult(a, b), unit)) = mult(i(b), mult(ld(mult(a, b), unit), b))),
% 4.67/3.17      inference(symmetry,[status(thm)],[238])).
% 4.67/3.17  tff(267,plain,
% 4.67/3.17      (mult(unit, ld(mult(a, b), unit)) = mult(mult(i(b), b), ld(mult(a, b), unit))),
% 4.67/3.17      inference(symmetry,[status(thm)],[237])).
% 4.67/3.17  tff(268,plain,
% 4.67/3.17      (ld(mult(a, b), unit) = mult(unit, ld(mult(a, b), unit))),
% 4.67/3.17      inference(symmetry,[status(thm)],[235])).
% 4.67/3.17  tff(269,plain,
% 4.67/3.17      ((~![A: $i] : (i(A) = ld(A, unit))) | (i(mult(a, b)) = ld(mult(a, b), unit))),
% 4.67/3.17      inference(quant_inst,[status(thm)],[])).
% 4.67/3.17  tff(270,plain,
% 4.67/3.17      (i(mult(a, b)) = ld(mult(a, b), unit)),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[269, 26])).
% 4.67/3.17  tff(271,plain,
% 4.67/3.17      (i(mult(a, b)) = mult(i(b), i(a))),
% 4.67/3.17      inference(transitivity,[status(thm)],[270, 268, 267, 266, 265])).
% 4.67/3.17  tff(272,plain,
% 4.67/3.17      ((~(i(mult(a, b)) = mult(i(b), i(a)))) <=> (~(i(mult(a, b)) = mult(i(b), i(a))))),
% 4.67/3.17      inference(rewrite,[status(thm)],[])).
% 4.67/3.17  tff(273,axiom,(~(i(mult(a, b)) = mult(i(b), i(a)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','goals')).
% 4.67/3.17  tff(274,plain,
% 4.67/3.17      (~(i(mult(a, b)) = mult(i(b), i(a)))),
% 4.67/3.17      inference(modus_ponens,[status(thm)],[273, 272])).
% 4.67/3.17  tff(275,plain,
% 4.67/3.17      ($false),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[274, 271])).
% 4.67/3.17  tff(276,plain,((~(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit)))) | (~(mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.17  tff(277,plain,
% 4.67/3.17      (~(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit)))),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[276, 238])).
% 4.67/3.17  tff(278,plain,
% 4.67/3.17      (~(mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.17      inference(modus_ponens,[status(thm)],[277, 244])).
% 4.67/3.17  tff(279,plain,
% 4.67/3.17      ((~![B: $i, A: $i] : (rd(mult(A, B), B) = A)) | (rd(mult(ld(mult(a, b), unit), b), b) = ld(mult(a, b), unit))),
% 4.67/3.17      inference(quant_inst,[status(thm)],[])).
% 4.67/3.17  tff(280,plain,
% 4.67/3.17      (rd(mult(ld(mult(a, b), unit), b), b) = ld(mult(a, b), unit)),
% 4.67/3.17      inference(unit_resolution,[status(thm)],[279, 80])).
% 4.67/3.18  tff(281,plain,
% 4.67/3.18      ((~![A: $i] : (mult(A, unit) = A)) | (mult(mult(ld(mult(a, b), unit), b), unit) = mult(ld(mult(a, b), unit), b))),
% 4.67/3.18      inference(quant_inst,[status(thm)],[])).
% 4.67/3.18  tff(282,plain,
% 4.67/3.18      (mult(mult(ld(mult(a, b), unit), b), unit) = mult(ld(mult(a, b), unit), b)),
% 4.67/3.18      inference(unit_resolution,[status(thm)],[281, 8])).
% 4.67/3.18  tff(283,plain,
% 4.67/3.18      (mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(ld(mult(a, b), unit), b), unit)),
% 4.67/3.18      inference(monotonicity,[status(thm)],[30])).
% 4.67/3.18  tff(284,plain,
% 4.67/3.18      (mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(ld(mult(a, b), unit), b), mult(b, i(b)))),
% 4.67/3.18      inference(monotonicity,[status(thm)],[219])).
% 4.67/3.18  tff(285,plain,
% 4.67/3.18      ((mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) <=> (mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b))),
% 4.67/3.18      inference(monotonicity,[status(thm)],[284])).
% 4.67/3.18  tff(286,assumption,(~(mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b))), introduced(assumption)).
% 4.67/3.18  tff(287,plain,
% 4.67/3.18      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) | (mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) | (mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)))),
% 4.67/3.18      inference(rewrite,[status(thm)],[])).
% 4.67/3.18  tff(288,plain,
% 4.67/3.18      (((mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) | (mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b))) <=> ((mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) | (mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)))),
% 4.67/3.18      inference(rewrite,[status(thm)],[])).
% 4.67/3.18  tff(289,plain,
% 4.67/3.18      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) | (mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) | (mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b))))),
% 4.67/3.18      inference(monotonicity,[status(thm)],[288])).
% 4.67/3.18  tff(290,plain,
% 4.67/3.18      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) | (mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) | (mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)))),
% 4.67/3.18      inference(transitivity,[status(thm)],[289, 287])).
% 4.67/3.18  tff(291,plain,
% 4.67/3.18      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) | (mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)))),
% 4.67/3.18      inference(quant_inst,[status(thm)],[])).
% 4.67/3.18  tff(292,plain,
% 4.67/3.18      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) | (mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b))),
% 4.67/3.18      inference(modus_ponens,[status(thm)],[291, 290])).
% 4.67/3.18  tff(293,plain,
% 4.67/3.18      ((mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)) | (mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b))),
% 4.67/3.18      inference(unit_resolution,[status(thm)],[292, 51])).
% 4.67/3.18  tff(294,plain,
% 4.67/3.18      (mult(mult(ld(mult(a, b), unit), b), mult(i(b), b)) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)),
% 4.67/3.18      inference(unit_resolution,[status(thm)],[293, 286])).
% 4.67/3.18  tff(295,plain,
% 4.67/3.18      (mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)),
% 4.67/3.18      inference(modus_ponens,[status(thm)],[294, 285])).
% 4.67/3.18  tff(296,plain,
% 4.67/3.18      ($false),
% 4.67/3.18      inference(unit_resolution,[status(thm)],[286, 295])).
% 4.67/3.18  tff(297,plain,(mult(mult(ld(mult(a, b), unit), b), mult(b, i(b))) = mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b)), inference(lemma,lemma(discharge,[]))).
% 4.67/3.18  tff(298,plain,
% 4.67/3.18      (mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b) = mult(mult(ld(mult(a, b), unit), b), mult(b, i(b)))),
% 4.67/3.18      inference(symmetry,[status(thm)],[297])).
% 4.67/3.18  tff(299,plain,
% 4.67/3.18      (mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b) = mult(ld(mult(a, b), unit), b)),
% 4.67/3.18      inference(transitivity,[status(thm)],[298, 283, 282])).
% 4.67/3.18  tff(300,plain,
% 4.67/3.18      (rd(mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b), b) = rd(mult(ld(mult(a, b), unit), b), b)),
% 4.67/3.18      inference(monotonicity,[status(thm)],[299])).
% 4.67/3.18  tff(301,plain,
% 4.67/3.18      ((~![B: $i, A: $i] : (rd(mult(A, B), B) = A)) | (rd(mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b), b) = mult(mult(ld(mult(a, b), unit), b), i(b)))),
% 4.67/3.18      inference(quant_inst,[status(thm)],[])).
% 4.67/3.18  tff(302,plain,
% 4.67/3.18      (rd(mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b), b) = mult(mult(ld(mult(a, b), unit), b), i(b))),
% 4.67/3.18      inference(unit_resolution,[status(thm)],[301, 80])).
% 4.67/3.18  tff(303,plain,
% 4.67/3.18      (mult(mult(ld(mult(a, b), unit), b), i(b)) = rd(mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b), b)),
% 4.67/3.18      inference(symmetry,[status(thm)],[302])).
% 4.67/3.18  tff(304,plain,
% 4.67/3.18      (mult(mult(ld(mult(a, b), unit), b), i(b)) = ld(mult(a, b), unit)),
% 4.67/3.18      inference(transitivity,[status(thm)],[303, 300, 280])).
% 4.67/3.18  tff(305,plain,
% 4.67/3.18      (mult(mult(a, b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, b), ld(mult(a, b), unit))),
% 4.67/3.18      inference(monotonicity,[status(thm)],[304])).
% 4.67/3.18  tff(306,plain,
% 4.67/3.18      ((mult(mult(a, b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))) <=> (mult(mult(a, b), ld(mult(a, b), unit)) = mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.18      inference(monotonicity,[status(thm)],[305, 233])).
% 4.67/3.18  tff(307,plain,
% 4.67/3.18      ((mult(mult(a, b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))) <=> (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit)))),
% 4.67/3.18      inference(transitivity,[status(thm)],[306, 1])).
% 4.67/3.18  tff(308,plain,
% 4.67/3.18      ((mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit))) <=> (mult(mult(a, b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.18      inference(symmetry,[status(thm)],[307])).
% 4.67/3.18  tff(309,plain,
% 4.67/3.18      ((~(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit)))) <=> (~(mult(mult(a, b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.18      inference(monotonicity,[status(thm)],[308])).
% 4.67/3.18  tff(310,plain,
% 4.67/3.18      (~(mult(mult(a, b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.18      inference(modus_ponens,[status(thm)],[277, 309])).
% 4.67/3.18  tff(311,plain,
% 4.67/3.18      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(mult(a, b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(mult(a, b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.18      inference(rewrite,[status(thm)],[])).
% 4.67/3.18  tff(312,plain,
% 4.67/3.18      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(mult(a, b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.18      inference(quant_inst,[status(thm)],[])).
% 4.67/3.18  tff(313,plain,
% 4.67/3.18      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(mult(a, b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.18      inference(modus_ponens,[status(thm)],[312, 311])).
% 4.67/3.18  tff(314,plain,
% 4.67/3.18      ((mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(mult(a, b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.18      inference(unit_resolution,[status(thm)],[313, 51])).
% 4.67/3.18  tff(315,plain,
% 4.67/3.18      ($false),
% 4.67/3.18      inference(unit_resolution,[status(thm)],[314, 310, 278])).
% 4.67/3.18  tff(316,plain,(~(mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit)))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.18  tff(317,plain,
% 4.67/3.18      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), ld(mult(a, b), unit)), b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.18      inference(rewrite,[status(thm)],[])).
% 4.67/3.18  tff(318,plain,
% 4.67/3.18      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.18      inference(quant_inst,[status(thm)],[])).
% 4.67/3.18  tff(319,plain,
% 4.67/3.18      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.18      inference(modus_ponens,[status(thm)],[318, 317])).
% 4.67/3.18  tff(320,plain,
% 4.67/3.18      ((mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.18      inference(unit_resolution,[status(thm)],[319, 132])).
% 4.67/3.18  tff(321,plain,
% 4.67/3.18      (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), ld(mult(a, b), unit)), b)),
% 4.67/3.18      inference(unit_resolution,[status(thm)],[320, 316])).
% 4.67/3.18  tff(322,plain,
% 4.67/3.18      (mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b)) = mult(i(b), mult(ld(mult(a, b), unit), b))),
% 4.67/3.18      inference(monotonicity,[status(thm)],[43])).
% 4.67/3.18  tff(323,plain,
% 4.67/3.18      ((mult(mult(i(b), b), ld(mult(a, b), unit)) = mult(i(b), mult(ld(mult(a, b), unit), b))) <=> (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit)))),
% 4.67/3.18      inference(commutativity,[status(thm)],[])).
% 4.67/3.18  tff(324,plain,
% 4.67/3.18      (mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(unit, ld(mult(a, b), unit))),
% 4.67/3.18      inference(monotonicity,[status(thm)],[304])).
% 4.67/3.18  tff(325,plain,
% 4.67/3.18      (mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(i(b), b), ld(mult(a, b), unit))),
% 4.67/3.18      inference(transitivity,[status(thm)],[324, 267])).
% 4.67/3.18  tff(326,plain,
% 4.67/3.18      ((mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))) <=> (mult(mult(i(b), b), ld(mult(a, b), unit)) = mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.18      inference(monotonicity,[status(thm)],[325, 322])).
% 4.67/3.18  tff(327,plain,
% 4.67/3.18      ((mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))) <=> (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit)))),
% 4.67/3.18      inference(transitivity,[status(thm)],[326, 323])).
% 4.67/3.18  tff(328,plain,
% 4.67/3.18      ((mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))) <=> (mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.18      inference(symmetry,[status(thm)],[327])).
% 4.67/3.18  tff(329,plain,
% 4.67/3.18      ((~(mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit)))) <=> (~(mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.18      inference(monotonicity,[status(thm)],[328])).
% 4.67/3.18  tff(330,plain,
% 4.67/3.18      (~(mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.18      inference(modus_ponens,[status(thm)],[316, 329])).
% 4.67/3.18  tff(331,plain,
% 4.67/3.18      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(unit, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))) | (mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(unit, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))) | (mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.18      inference(rewrite,[status(thm)],[])).
% 4.67/3.18  tff(332,plain,
% 4.67/3.18      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(unit, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))) | (mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.18      inference(quant_inst,[status(thm)],[])).
% 4.67/3.18  tff(333,plain,
% 4.67/3.18      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(unit, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))) | (mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.18      inference(modus_ponens,[status(thm)],[332, 331])).
% 4.67/3.18  tff(334,plain,
% 4.67/3.18      ((mult(unit, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))) | (mult(unit, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[333, 51])).
% 4.67/3.19  tff(335,plain,
% 4.67/3.19      (mult(unit, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(unit, i(b)), mult(ld(mult(a, b), unit), b))),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[334, 330])).
% 4.67/3.19  tff(336,plain,
% 4.67/3.19      (mult(mult(i(b), ld(mult(a, b), unit)), b) = mult(i(b), mult(ld(mult(a, b), unit), b))),
% 4.67/3.19      inference(symmetry,[status(thm)],[321])).
% 4.67/3.19  tff(337,plain,
% 4.67/3.19      (mult(unit, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(unit, mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[336])).
% 4.67/3.19  tff(338,plain,
% 4.67/3.19      (mult(unit, unit) = mult(unit, mult(b, i(b)))),
% 4.67/3.19      inference(symmetry,[status(thm)],[70])).
% 4.67/3.19  tff(339,plain,
% 4.67/3.19      (mult(unit, mult(i(b), b)) = mult(unit, unit)),
% 4.67/3.19      inference(monotonicity,[status(thm)],[236])).
% 4.67/3.19  tff(340,plain,
% 4.67/3.19      (mult(unit, mult(i(b), b)) = mult(unit, mult(b, i(b)))),
% 4.67/3.19      inference(transitivity,[status(thm)],[339, 338])).
% 4.67/3.19  tff(341,plain,
% 4.67/3.19      ((mult(unit, mult(i(b), b)) = mult(mult(unit, b), i(b))) <=> (mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b)))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[340])).
% 4.67/3.19  tff(342,assumption,(~(mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b)))), introduced(assumption)).
% 4.67/3.19  tff(343,plain,
% 4.67/3.19      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b))) | (mult(unit, mult(i(b), b)) = mult(mult(unit, b), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b))) | (mult(unit, mult(i(b), b)) = mult(mult(unit, b), i(b))))),
% 4.67/3.19      inference(rewrite,[status(thm)],[])).
% 4.67/3.19  tff(344,plain,
% 4.67/3.19      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b))) | (mult(unit, mult(i(b), b)) = mult(mult(unit, b), i(b))))),
% 4.67/3.19      inference(quant_inst,[status(thm)],[])).
% 4.67/3.19  tff(345,plain,
% 4.67/3.19      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b))) | (mult(unit, mult(i(b), b)) = mult(mult(unit, b), i(b)))),
% 4.67/3.19      inference(modus_ponens,[status(thm)],[344, 343])).
% 4.67/3.19  tff(346,plain,
% 4.67/3.19      ((mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b))) | (mult(unit, mult(i(b), b)) = mult(mult(unit, b), i(b)))),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[345, 51])).
% 4.67/3.19  tff(347,plain,
% 4.67/3.19      (mult(unit, mult(i(b), b)) = mult(mult(unit, b), i(b))),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[346, 342])).
% 4.67/3.19  tff(348,plain,
% 4.67/3.19      (mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b))),
% 4.67/3.19      inference(modus_ponens,[status(thm)],[347, 341])).
% 4.67/3.19  tff(349,plain,
% 4.67/3.19      ($false),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[342, 348])).
% 4.67/3.19  tff(350,plain,(mult(unit, mult(b, i(b))) = mult(mult(unit, b), i(b))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.19  tff(351,plain,
% 4.67/3.19      (mult(mult(unit, b), i(b)) = mult(unit, mult(b, i(b)))),
% 4.67/3.19      inference(symmetry,[status(thm)],[350])).
% 4.67/3.19  tff(352,plain,
% 4.67/3.19      (mult(mult(unit, b), i(b)) = unit),
% 4.67/3.19      inference(transitivity,[status(thm)],[351, 70, 69])).
% 4.67/3.19  tff(353,plain,
% 4.67/3.19      (mult(mult(mult(unit, b), i(b)), i(b)) = mult(unit, i(b))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[352])).
% 4.67/3.19  tff(354,plain,
% 4.67/3.19      ((~![A: $i] : (mult(unit, A) = A)) | (mult(unit, b) = b)),
% 4.67/3.19      inference(quant_inst,[status(thm)],[])).
% 4.67/3.19  tff(355,plain,
% 4.67/3.19      (mult(unit, b) = b),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[354, 40])).
% 4.67/3.19  tff(356,plain,
% 4.67/3.19      (mult(mult(i(b), i(b)), mult(unit, b)) = mult(mult(i(b), i(b)), b)),
% 4.67/3.19      inference(monotonicity,[status(thm)],[355])).
% 4.67/3.19  tff(357,plain,
% 4.67/3.19      (mult(mult(i(b), i(b)), mult(unit, b)) = mult(mult(unit, mult(i(b), i(b))), b)),
% 4.67/3.19      inference(transitivity,[status(thm)],[356, 140])).
% 4.67/3.19  tff(358,plain,
% 4.67/3.19      ((~![A: $i] : (mult(A, unit) = A)) | (mult(i(b), unit) = i(b))),
% 4.67/3.19      inference(quant_inst,[status(thm)],[])).
% 4.67/3.19  tff(359,plain,
% 4.67/3.19      (mult(i(b), unit) = i(b)),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[358, 8])).
% 4.67/3.19  tff(360,plain,
% 4.67/3.19      (mult(i(b), mult(unit, b)) = mult(i(b), b)),
% 4.67/3.19      inference(monotonicity,[status(thm)],[355])).
% 4.67/3.19  tff(361,plain,
% 4.67/3.19      (mult(i(b), mult(unit, b)) = unit),
% 4.67/3.19      inference(transitivity,[status(thm)],[360, 218, 213, 60, 19])).
% 4.67/3.19  tff(362,plain,
% 4.67/3.19      (mult(i(b), mult(i(b), mult(unit, b))) = mult(i(b), unit)),
% 4.67/3.19      inference(monotonicity,[status(thm)],[361])).
% 4.67/3.19  tff(363,plain,
% 4.67/3.19      (mult(i(b), mult(i(b), mult(unit, b))) = mult(unit, mult(b, mult(i(b), i(b))))),
% 4.67/3.19      inference(transitivity,[status(thm)],[362, 359, 216, 160])).
% 4.67/3.19  tff(364,plain,
% 4.67/3.19      ((mult(i(b), mult(i(b), mult(unit, b))) = mult(mult(i(b), i(b)), mult(unit, b))) <=> (mult(unit, mult(b, mult(i(b), i(b)))) = mult(mult(unit, mult(i(b), i(b))), b))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[363, 357])).
% 4.67/3.19  tff(365,plain,
% 4.67/3.19      ((mult(unit, mult(b, mult(i(b), i(b)))) = mult(mult(unit, mult(i(b), i(b))), b)) <=> (mult(i(b), mult(i(b), mult(unit, b))) = mult(mult(i(b), i(b)), mult(unit, b)))),
% 4.67/3.19      inference(symmetry,[status(thm)],[364])).
% 4.67/3.19  tff(366,plain,
% 4.67/3.19      (mult(mult(unit, b), mult(i(b), i(b))) = mult(unit, mult(b, mult(i(b), i(b))))),
% 4.67/3.19      inference(transitivity,[status(thm)],[122, 353, 160])).
% 4.67/3.19  tff(367,plain,
% 4.67/3.19      ((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) <=> (mult(mult(unit, mult(i(b), i(b))), b) = mult(unit, mult(b, mult(i(b), i(b)))))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[175, 366])).
% 4.67/3.19  tff(368,plain,
% 4.67/3.19      ((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) <=> (mult(unit, mult(b, mult(i(b), i(b)))) = mult(mult(unit, mult(i(b), i(b))), b))),
% 4.67/3.19      inference(transitivity,[status(thm)],[367, 168])).
% 4.67/3.19  tff(369,plain,
% 4.67/3.19      ((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) <=> (mult(i(b), mult(i(b), mult(unit, b))) = mult(mult(i(b), i(b)), mult(unit, b)))),
% 4.67/3.19      inference(transitivity,[status(thm)],[368, 365])).
% 4.67/3.19  tff(370,plain,
% 4.67/3.19      ((~(mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b))))) <=> (~(mult(i(b), mult(i(b), mult(unit, b))) = mult(mult(i(b), i(b)), mult(unit, b))))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[369])).
% 4.67/3.19  tff(371,plain,
% 4.67/3.19      (~(mult(i(b), mult(i(b), mult(unit, b))) = mult(mult(i(b), i(b)), mult(unit, b)))),
% 4.67/3.19      inference(modus_ponens,[status(thm)],[170, 370])).
% 4.67/3.19  tff(372,plain,
% 4.67/3.19      (mult(i(b), mult(mult(unit, b), i(b))) = mult(i(b), unit)),
% 4.67/3.19      inference(monotonicity,[status(thm)],[352])).
% 4.67/3.19  tff(373,plain,
% 4.67/3.19      (mult(i(b), mult(mult(unit, b), i(b))) = mult(unit, mult(b, mult(i(b), i(b))))),
% 4.67/3.19      inference(transitivity,[status(thm)],[372, 359, 216, 160])).
% 4.67/3.19  tff(374,plain,
% 4.67/3.19      ((mult(i(b), mult(mult(unit, b), i(b))) = mult(mult(i(b), i(b)), mult(unit, b))) <=> (mult(unit, mult(b, mult(i(b), i(b)))) = mult(mult(unit, mult(i(b), i(b))), b))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[373, 357])).
% 4.67/3.19  tff(375,plain,
% 4.67/3.19      ((mult(unit, mult(b, mult(i(b), i(b)))) = mult(mult(unit, mult(i(b), i(b))), b)) <=> (mult(i(b), mult(mult(unit, b), i(b))) = mult(mult(i(b), i(b)), mult(unit, b)))),
% 4.67/3.19      inference(symmetry,[status(thm)],[374])).
% 4.67/3.19  tff(376,plain,
% 4.67/3.19      ((mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))) <=> (mult(i(b), mult(mult(unit, b), i(b))) = mult(mult(i(b), i(b)), mult(unit, b)))),
% 4.67/3.19      inference(transitivity,[status(thm)],[368, 375])).
% 4.67/3.19  tff(377,plain,
% 4.67/3.19      ((~(mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b))))) <=> (~(mult(i(b), mult(mult(unit, b), i(b))) = mult(mult(i(b), i(b)), mult(unit, b))))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[376])).
% 4.67/3.19  tff(378,plain,
% 4.67/3.19      (~(mult(i(b), mult(mult(unit, b), i(b))) = mult(mult(i(b), i(b)), mult(unit, b)))),
% 4.67/3.19      inference(modus_ponens,[status(thm)],[170, 377])).
% 4.67/3.19  tff(379,plain,
% 4.67/3.19      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(i(b), mult(unit, b))) = mult(mult(i(b), i(b)), mult(unit, b))) | (mult(i(b), mult(mult(unit, b), i(b))) = mult(mult(i(b), i(b)), mult(unit, b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(i(b), mult(unit, b))) = mult(mult(i(b), i(b)), mult(unit, b))) | (mult(i(b), mult(mult(unit, b), i(b))) = mult(mult(i(b), i(b)), mult(unit, b))))),
% 4.67/3.19      inference(rewrite,[status(thm)],[])).
% 4.67/3.19  tff(380,plain,
% 4.67/3.19      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(i(b), mult(unit, b))) = mult(mult(i(b), i(b)), mult(unit, b))) | (mult(i(b), mult(mult(unit, b), i(b))) = mult(mult(i(b), i(b)), mult(unit, b))))),
% 4.67/3.19      inference(quant_inst,[status(thm)],[])).
% 4.67/3.19  tff(381,plain,
% 4.67/3.19      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(i(b), mult(unit, b))) = mult(mult(i(b), i(b)), mult(unit, b))) | (mult(i(b), mult(mult(unit, b), i(b))) = mult(mult(i(b), i(b)), mult(unit, b)))),
% 4.67/3.19      inference(modus_ponens,[status(thm)],[380, 379])).
% 4.67/3.19  tff(382,plain,
% 4.67/3.19      ((mult(i(b), mult(i(b), mult(unit, b))) = mult(mult(i(b), i(b)), mult(unit, b))) | (mult(i(b), mult(mult(unit, b), i(b))) = mult(mult(i(b), i(b)), mult(unit, b)))),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[381, 51])).
% 4.67/3.19  tff(383,plain,
% 4.67/3.19      ($false),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[382, 378, 371])).
% 4.67/3.19  tff(384,plain,(mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(unit, b), mult(i(b), i(b)))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.19  tff(385,plain,
% 4.67/3.19      (mult(mult(i(b), i(b)), b) = ld(b, unit)),
% 4.67/3.19      inference(transitivity,[status(thm)],[197, 384, 122, 353, 43, 28])).
% 4.67/3.19  tff(386,plain,
% 4.67/3.19      (mult(b, mult(mult(i(b), i(b)), b)) = mult(b, ld(b, unit))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[385])).
% 4.67/3.19  tff(387,plain,
% 4.67/3.19      (mult(b, mult(mult(i(b), i(b)), b)) = mult(b, mult(b, mult(i(b), i(b))))),
% 4.67/3.19      inference(transitivity,[status(thm)],[386, 66])).
% 4.67/3.19  tff(388,plain,
% 4.67/3.19      ((mult(b, mult(mult(i(b), i(b)), b)) = mult(mult(b, b), mult(i(b), i(b)))) <=> (mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, b), mult(i(b), i(b))))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[387])).
% 4.67/3.19  tff(389,plain,
% 4.67/3.19      ((mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, b), mult(i(b), i(b)))) <=> (mult(b, mult(mult(i(b), i(b)), b)) = mult(mult(b, b), mult(i(b), i(b))))),
% 4.67/3.19      inference(symmetry,[status(thm)],[388])).
% 4.67/3.19  tff(390,assumption,(~(mult(b, mult(mult(i(b), i(b)), b)) = mult(mult(b, b), mult(i(b), i(b))))), introduced(assumption)).
% 4.67/3.19  tff(391,plain,
% 4.67/3.19      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, b), mult(i(b), i(b)))) | (mult(b, mult(mult(i(b), i(b)), b)) = mult(mult(b, b), mult(i(b), i(b)))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, b), mult(i(b), i(b)))) | (mult(b, mult(mult(i(b), i(b)), b)) = mult(mult(b, b), mult(i(b), i(b)))))),
% 4.67/3.19      inference(rewrite,[status(thm)],[])).
% 4.67/3.19  tff(392,plain,
% 4.67/3.19      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, b), mult(i(b), i(b)))) | (mult(b, mult(mult(i(b), i(b)), b)) = mult(mult(b, b), mult(i(b), i(b)))))),
% 4.67/3.19      inference(quant_inst,[status(thm)],[])).
% 4.67/3.19  tff(393,plain,
% 4.67/3.19      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, b), mult(i(b), i(b)))) | (mult(b, mult(mult(i(b), i(b)), b)) = mult(mult(b, b), mult(i(b), i(b))))),
% 4.67/3.19      inference(modus_ponens,[status(thm)],[392, 391])).
% 4.67/3.19  tff(394,plain,
% 4.67/3.19      ((mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, b), mult(i(b), i(b)))) | (mult(b, mult(mult(i(b), i(b)), b)) = mult(mult(b, b), mult(i(b), i(b))))),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[393, 51])).
% 4.67/3.19  tff(395,plain,
% 4.67/3.19      (mult(b, mult(b, mult(i(b), i(b)))) = mult(mult(b, b), mult(i(b), i(b)))),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[394, 390])).
% 4.67/3.19  tff(396,plain,
% 4.67/3.19      (mult(b, mult(mult(i(b), i(b)), b)) = mult(mult(b, b), mult(i(b), i(b)))),
% 4.67/3.19      inference(modus_ponens,[status(thm)],[395, 389])).
% 4.67/3.19  tff(397,plain,
% 4.67/3.19      ($false),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[390, 396])).
% 4.67/3.19  tff(398,plain,(mult(b, mult(mult(i(b), i(b)), b)) = mult(mult(b, b), mult(i(b), i(b)))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.19  tff(399,plain,
% 4.67/3.19      (mult(mult(b, b), mult(i(b), i(b))) = mult(b, mult(mult(i(b), i(b)), b))),
% 4.67/3.19      inference(symmetry,[status(thm)],[398])).
% 4.67/3.19  tff(400,plain,
% 4.67/3.19      ((~![B: $i, A: $i] : (mult(A, ld(A, B)) = B)) | (mult(a, ld(a, unit)) = unit)),
% 4.67/3.19      inference(quant_inst,[status(thm)],[])).
% 4.67/3.19  tff(401,plain,
% 4.67/3.19      (mult(a, ld(a, unit)) = unit),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[400, 17])).
% 4.67/3.19  tff(402,plain,
% 4.67/3.19      (mult(a, i(a)) = mult(a, ld(a, unit))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[262])).
% 4.67/3.19  tff(403,plain,
% 4.67/3.19      (mult(a, i(a)) = unit),
% 4.67/3.19      inference(transitivity,[status(thm)],[402, 401])).
% 4.67/3.19  tff(404,plain,
% 4.67/3.19      (mult(mult(a, i(a)), i(b)) = mult(unit, i(b))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[403])).
% 4.67/3.19  tff(405,plain,
% 4.67/3.19      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), b), ld(mult(a, b), unit))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), b), ld(mult(a, b), unit))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))))),
% 4.67/3.19      inference(rewrite,[status(thm)],[])).
% 4.67/3.19  tff(406,plain,
% 4.67/3.19      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), b), ld(mult(a, b), unit))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))))),
% 4.67/3.19      inference(quant_inst,[status(thm)],[])).
% 4.67/3.19  tff(407,plain,
% 4.67/3.19      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), b), ld(mult(a, b), unit))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit)))),
% 4.67/3.19      inference(modus_ponens,[status(thm)],[406, 405])).
% 4.67/3.19  tff(408,plain,
% 4.67/3.19      ((mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), b), ld(mult(a, b), unit))) | (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit)))),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[407, 51])).
% 4.67/3.19  tff(409,plain,
% 4.67/3.19      (mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), b), ld(mult(a, b), unit))),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[408, 316])).
% 4.67/3.19  tff(410,plain,
% 4.67/3.19      ((~![B: $i, A: $i] : (ld(A, mult(A, B)) = B)) | (ld(a, mult(a, mult(b, ld(mult(a, b), unit)))) = mult(b, ld(mult(a, b), unit)))),
% 4.67/3.19      inference(quant_inst,[status(thm)],[])).
% 4.67/3.19  tff(411,plain,
% 4.67/3.19      (ld(a, mult(a, mult(b, ld(mult(a, b), unit)))) = mult(b, ld(mult(a, b), unit))),
% 4.67/3.19      inference(unit_resolution,[status(thm)],[410, 251])).
% 4.67/3.19  tff(412,assumption,(mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))), introduced(assumption)).
% 4.67/3.19  tff(413,plain,
% 4.67/3.19      (mult(mult(a, b), ld(mult(a, b), unit)) = mult(a, mult(b, ld(mult(a, b), unit)))),
% 4.67/3.19      inference(symmetry,[status(thm)],[412])).
% 4.67/3.19  tff(414,plain,
% 4.67/3.19      (unit = mult(a, mult(b, ld(mult(a, b), unit)))),
% 4.67/3.19      inference(transitivity,[status(thm)],[258, 413])).
% 4.67/3.19  tff(415,plain,
% 4.67/3.19      (ld(a, unit) = ld(a, mult(a, mult(b, ld(mult(a, b), unit))))),
% 4.67/3.19      inference(monotonicity,[status(thm)],[414])).
% 4.67/3.19  tff(416,plain,
% 4.67/3.19      (i(a) = mult(b, ld(mult(a, b), unit))),
% 4.67/3.19      inference(transitivity,[status(thm)],[262, 415, 411])).
% 4.67/3.19  tff(417,plain,
% 4.67/3.19      (mult(i(b), i(a)) = mult(i(b), mult(b, ld(mult(a, b), unit)))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[416])).
% 4.67/3.20  tff(418,plain,
% 4.67/3.20      (mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(i(b), i(a))),
% 4.67/3.20      inference(symmetry,[status(thm)],[417])).
% 4.67/3.20  tff(419,assumption,(mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), b), ld(mult(a, b), unit))), introduced(assumption)).
% 4.67/3.20  tff(420,plain,
% 4.67/3.20      (mult(mult(i(b), b), ld(mult(a, b), unit)) = mult(i(b), mult(b, ld(mult(a, b), unit)))),
% 4.67/3.20      inference(symmetry,[status(thm)],[419])).
% 4.67/3.20  tff(421,plain,
% 4.67/3.20      (i(mult(a, b)) = mult(i(b), i(a))),
% 4.67/3.20      inference(transitivity,[status(thm)],[270, 268, 267, 420, 418])).
% 4.67/3.20  tff(422,plain,
% 4.67/3.20      ($false),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[274, 421])).
% 4.67/3.20  tff(423,plain,((~(mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit)))) | (~(mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), b), ld(mult(a, b), unit))))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.20  tff(424,plain,
% 4.67/3.20      (~(mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit)))),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[423, 409])).
% 4.67/3.20  tff(425,plain,
% 4.67/3.20      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit))))),
% 4.67/3.20      inference(rewrite,[status(thm)],[])).
% 4.67/3.20  tff(426,plain,
% 4.67/3.20      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit))))),
% 4.67/3.20      inference(quant_inst,[status(thm)],[])).
% 4.67/3.20  tff(427,plain,
% 4.67/3.20      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit)))),
% 4.67/3.20      inference(modus_ponens,[status(thm)],[426, 425])).
% 4.67/3.20  tff(428,plain,
% 4.67/3.20      ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit)))),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[427, 51])).
% 4.67/3.20  tff(429,plain,
% 4.67/3.20      (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit))),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[428, 424])).
% 4.67/3.20  tff(430,plain,
% 4.67/3.20      ((mult(mult(a, ld(mult(a, b), unit)), b) = mult(a, mult(ld(mult(a, b), unit), b))) <=> (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b))),
% 4.67/3.20      inference(commutativity,[status(thm)],[])).
% 4.67/3.20  tff(431,plain,
% 4.67/3.20      (mult(mult(a, b), ld(mult(a, b), unit)) = mult(a, mult(ld(mult(a, b), unit), b))),
% 4.67/3.20      inference(symmetry,[status(thm)],[429])).
% 4.67/3.20  tff(432,plain,
% 4.67/3.20      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b)))),
% 4.67/3.20      inference(rewrite,[status(thm)],[])).
% 4.67/3.20  tff(433,plain,
% 4.67/3.20      (((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b)) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit)))) <=> ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b)))),
% 4.67/3.20      inference(rewrite,[status(thm)],[])).
% 4.67/3.20  tff(434,plain,
% 4.67/3.20      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b)) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b))))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[433])).
% 4.67/3.20  tff(435,plain,
% 4.67/3.20      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b)) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b)))),
% 4.67/3.20      inference(transitivity,[status(thm)],[434, 432])).
% 4.67/3.20  tff(436,plain,
% 4.67/3.20      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b)) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))))),
% 4.67/3.20      inference(quant_inst,[status(thm)],[])).
% 4.67/3.20  tff(437,plain,
% 4.67/3.20      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b))),
% 4.67/3.20      inference(modus_ponens,[status(thm)],[436, 435])).
% 4.67/3.20  tff(438,plain,
% 4.67/3.20      ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) | (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b))),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[437, 132])).
% 4.67/3.20  tff(439,plain,
% 4.67/3.20      (mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b)),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[438, 424])).
% 4.67/3.20  tff(440,plain,
% 4.67/3.20      ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) <=> (mult(mult(a, ld(mult(a, b), unit)), b) = mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[439, 431])).
% 4.67/3.20  tff(441,plain,
% 4.67/3.20      ((mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit))) <=> (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b))),
% 4.67/3.20      inference(transitivity,[status(thm)],[440, 430])).
% 4.67/3.20  tff(442,plain,
% 4.67/3.20      ((~(mult(a, mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), ld(mult(a, b), unit)))) <=> (~(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b)))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[441])).
% 4.67/3.20  tff(443,plain,
% 4.67/3.20      (~(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b))),
% 4.67/3.20      inference(modus_ponens,[status(thm)],[424, 442])).
% 4.67/3.20  tff(444,assumption,(mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))), introduced(assumption)).
% 4.67/3.20  tff(445,plain,
% 4.67/3.20      (mult(i(a), i(b)) = mult(mult(ld(mult(a, b), unit), b), i(b))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[263])).
% 4.67/3.20  tff(446,plain,
% 4.67/3.20      (mult(mult(ld(mult(a, b), unit), b), i(b)) = mult(i(a), i(b))),
% 4.67/3.20      inference(symmetry,[status(thm)],[445])).
% 4.67/3.20  tff(447,plain,
% 4.67/3.20      (rd(mult(ld(mult(a, b), unit), b), b) = rd(mult(mult(mult(ld(mult(a, b), unit), b), i(b)), b), b)),
% 4.67/3.20      inference(symmetry,[status(thm)],[300])).
% 4.67/3.20  tff(448,plain,
% 4.67/3.20      (ld(mult(a, b), unit) = rd(mult(ld(mult(a, b), unit), b), b)),
% 4.67/3.20      inference(symmetry,[status(thm)],[280])).
% 4.67/3.20  tff(449,plain,
% 4.67/3.20      (ld(mult(a, b), unit) = mult(i(a), i(b))),
% 4.67/3.20      inference(transitivity,[status(thm)],[448, 447, 302, 446])).
% 4.67/3.20  tff(450,plain,
% 4.67/3.20      (mult(a, ld(mult(a, b), unit)) = mult(a, mult(i(a), i(b)))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[449])).
% 4.67/3.20  tff(451,plain,
% 4.67/3.20      (mult(a, ld(mult(a, b), unit)) = i(b)),
% 4.67/3.20      inference(transitivity,[status(thm)],[450, 444, 404, 43])).
% 4.67/3.20  tff(452,plain,
% 4.67/3.20      (mult(mult(a, ld(mult(a, b), unit)), b) = mult(i(b), b)),
% 4.67/3.20      inference(monotonicity,[status(thm)],[451])).
% 4.67/3.20  tff(453,plain,
% 4.67/3.20      (mult(i(b), b) = mult(mult(a, ld(mult(a, b), unit)), b)),
% 4.67/3.20      inference(symmetry,[status(thm)],[452])).
% 4.67/3.20  tff(454,plain,
% 4.67/3.20      (mult(mult(b, mult(i(b), i(b))), b) = mult(i(b), b)),
% 4.67/3.20      inference(symmetry,[status(thm)],[218])).
% 4.67/3.20  tff(455,plain,
% 4.67/3.20      (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b)),
% 4.67/3.20      inference(transitivity,[status(thm)],[254, 257, 67, 66, 212, 454, 453])).
% 4.67/3.20  tff(456,assumption,(~(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b))), introduced(assumption)).
% 4.67/3.20  tff(457,plain,
% 4.67/3.20      ($false),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[456, 455])).
% 4.67/3.20  tff(458,plain,((~(mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b)))) | (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b)) | (~(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, b), ld(mult(a, b), unit))))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.20  tff(459,plain,
% 4.67/3.20      (~(mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b)))),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[458, 443, 429])).
% 4.67/3.20  tff(460,plain,
% 4.67/3.20      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(b), i(a))) = mult(mult(a, i(a)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(b), i(a))) = mult(mult(a, i(a)), i(b))))),
% 4.67/3.20      inference(rewrite,[status(thm)],[])).
% 4.67/3.20  tff(461,plain,
% 4.67/3.20      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(b), i(a))) = mult(mult(a, i(a)), i(b))))),
% 4.67/3.20      inference(quant_inst,[status(thm)],[])).
% 4.67/3.20  tff(462,plain,
% 4.67/3.20      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(b), i(a))) = mult(mult(a, i(a)), i(b)))),
% 4.67/3.20      inference(modus_ponens,[status(thm)],[461, 460])).
% 4.67/3.20  tff(463,plain,
% 4.67/3.20      ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(b), i(a))) = mult(mult(a, i(a)), i(b)))),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[462, 51])).
% 4.67/3.20  tff(464,plain,
% 4.67/3.20      (mult(a, mult(i(b), i(a))) = mult(mult(a, i(a)), i(b))),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[463, 459])).
% 4.67/3.20  tff(465,plain,
% 4.67/3.20      (unit = mult(a, mult(ld(mult(a, b), unit), b))),
% 4.67/3.20      inference(transitivity,[status(thm)],[258, 431])).
% 4.67/3.20  tff(466,plain,
% 4.67/3.20      (ld(a, unit) = ld(a, mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[465])).
% 4.67/3.20  tff(467,plain,
% 4.67/3.20      (i(a) = mult(ld(mult(a, b), unit), b)),
% 4.67/3.20      inference(transitivity,[status(thm)],[262, 466, 253])).
% 4.67/3.20  tff(468,plain,
% 4.67/3.20      (mult(i(b), i(a)) = mult(i(b), mult(ld(mult(a, b), unit), b))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[467])).
% 4.67/3.20  tff(469,plain,
% 4.67/3.20      (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(i(b), i(a))),
% 4.67/3.20      inference(symmetry,[status(thm)],[468])).
% 4.67/3.20  tff(470,plain,
% 4.67/3.20      (mult(a, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(a, mult(i(b), i(a)))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[469])).
% 4.67/3.20  tff(471,plain,
% 4.67/3.20      (mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(a, mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[336])).
% 4.67/3.20  tff(472,plain,
% 4.67/3.20      (mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = i(b)),
% 4.67/3.20      inference(transitivity,[status(thm)],[471, 470, 464, 404, 43])).
% 4.67/3.20  tff(473,plain,
% 4.67/3.20      (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(i(b), i(b))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[472])).
% 4.67/3.20  tff(474,plain,
% 4.67/3.20      (mult(a, mult(ld(mult(a, b), unit), b)) = unit),
% 4.67/3.20      inference(transitivity,[status(thm)],[429, 257])).
% 4.67/3.20  tff(475,plain,
% 4.67/3.20      (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(i(b), unit)),
% 4.67/3.20      inference(monotonicity,[status(thm)],[474])).
% 4.67/3.20  tff(476,assumption,(~(mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a))), introduced(assumption)).
% 4.67/3.20  tff(477,plain,
% 4.67/3.20      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), a), mult(ld(mult(a, b), unit), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), a), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.20      inference(rewrite,[status(thm)],[])).
% 4.67/3.20  tff(478,plain,
% 4.67/3.20      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), a), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.20      inference(quant_inst,[status(thm)],[])).
% 4.67/3.20  tff(479,plain,
% 4.67/3.20      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.20      inference(modus_ponens,[status(thm)],[478, 477])).
% 4.67/3.20  tff(480,plain,
% 4.67/3.20      ((mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[479, 132])).
% 4.67/3.20  tff(481,plain,
% 4.67/3.20      (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), a), mult(ld(mult(a, b), unit), b))),
% 4.67/3.20      inference(unit_resolution,[status(thm)],[480, 476])).
% 4.67/3.20  tff(482,plain,
% 4.67/3.20      (mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)) = mult(i(b), mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.20      inference(symmetry,[status(thm)],[481])).
% 4.67/3.20  tff(483,plain,
% 4.67/3.20      (mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)) = i(b)),
% 4.67/3.20      inference(transitivity,[status(thm)],[482, 475, 359])).
% 4.67/3.20  tff(484,plain,
% 4.67/3.20      (mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)) = mult(i(b), mult(ld(mult(a, b), unit), b))),
% 4.67/3.20      inference(monotonicity,[status(thm)],[483])).
% 4.67/3.20  tff(485,plain,
% 4.67/3.20      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.20      inference(rewrite,[status(thm)],[])).
% 4.67/3.20  tff(486,plain,
% 4.67/3.20      (((mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))) | (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)))) <=> (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.21      inference(rewrite,[status(thm)],[])).
% 4.67/3.21  tff(487,plain,
% 4.67/3.21      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))) | (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.21      inference(monotonicity,[status(thm)],[486])).
% 4.67/3.21  tff(488,plain,
% 4.67/3.21      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))) | (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.21      inference(transitivity,[status(thm)],[487, 485])).
% 4.67/3.21  tff(489,plain,
% 4.67/3.21      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))) | (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.21      inference(quant_inst,[status(thm)],[])).
% 4.67/3.21  tff(490,plain,
% 4.67/3.21      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.21      inference(modus_ponens,[status(thm)],[489, 488])).
% 4.67/3.21  tff(491,plain,
% 4.67/3.21      (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))),
% 4.67/3.21      inference(unit_resolution,[status(thm)],[490, 51])).
% 4.67/3.21  tff(492,plain,
% 4.67/3.21      (mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(i(b), mult(ld(mult(a, b), unit), b))),
% 4.67/3.21      inference(transitivity,[status(thm)],[491, 484])).
% 4.67/3.21  tff(493,plain,
% 4.67/3.21      (mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)),
% 4.67/3.21      inference(monotonicity,[status(thm)],[492])).
% 4.67/3.21  tff(494,plain,
% 4.67/3.21      ((~![A: $i] : (mult(unit, A) = A)) | (mult(unit, mult(ld(mult(a, b), unit), b)) = mult(ld(mult(a, b), unit), b))),
% 4.67/3.21      inference(quant_inst,[status(thm)],[])).
% 4.67/3.21  tff(495,plain,
% 4.67/3.21      (mult(unit, mult(ld(mult(a, b), unit), b)) = mult(ld(mult(a, b), unit), b)),
% 4.67/3.21      inference(unit_resolution,[status(thm)],[494, 40])).
% 4.67/3.21  tff(496,plain,
% 4.67/3.21      (mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)) = mult(unit, mult(ld(mult(a, b), unit), b))),
% 4.67/3.21      inference(monotonicity,[status(thm)],[474])).
% 4.67/3.21  tff(497,plain,
% 4.67/3.21      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.21      inference(rewrite,[status(thm)],[])).
% 4.67/3.21  tff(498,plain,
% 4.67/3.21      (((mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))) | (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)))) <=> (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.21      inference(rewrite,[status(thm)],[])).
% 4.67/3.21  tff(499,plain,
% 4.67/3.21      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))) | (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.21      inference(monotonicity,[status(thm)],[498])).
% 4.67/3.21  tff(500,plain,
% 4.67/3.21      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))) | (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.21      inference(transitivity,[status(thm)],[499, 497])).
% 4.67/3.21  tff(501,plain,
% 4.67/3.21      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))) | (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.21      inference(quant_inst,[status(thm)],[])).
% 4.67/3.21  tff(502,plain,
% 4.67/3.21      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.21      inference(modus_ponens,[status(thm)],[501, 500])).
% 4.67/3.21  tff(503,plain,
% 4.67/3.21      (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))),
% 4.67/3.21      inference(unit_resolution,[status(thm)],[502, 51])).
% 4.67/3.21  tff(504,plain,
% 4.67/3.21      (mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))) = mult(ld(mult(a, b), unit), b)),
% 4.67/3.21      inference(transitivity,[status(thm)],[503, 496, 495])).
% 4.67/3.21  tff(505,plain,
% 4.67/3.21      (mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(i(b), a), mult(ld(mult(a, b), unit), b))),
% 4.67/3.21      inference(monotonicity,[status(thm)],[504])).
% 4.67/3.21  tff(506,plain,
% 4.67/3.21      (mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(i(b), mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.21      inference(transitivity,[status(thm)],[505, 482])).
% 4.67/3.21  tff(507,plain,
% 4.67/3.21      ((mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) <=> (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a))),
% 4.67/3.21      inference(monotonicity,[status(thm)],[506, 493])).
% 4.67/3.21  tff(508,plain,
% 4.67/3.21      ((mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) <=> (mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a))),
% 4.67/3.21      inference(symmetry,[status(thm)],[507])).
% 4.67/3.21  tff(509,plain,
% 4.67/3.21      ((~(mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a))) <=> (~(mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)))),
% 4.67/3.21      inference(monotonicity,[status(thm)],[508])).
% 4.67/3.21  tff(510,plain,
% 4.67/3.21      (~(mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a))),
% 4.67/3.21      inference(modus_ponens,[status(thm)],[476, 509])).
% 4.67/3.21  tff(511,plain,
% 4.67/3.21      (mult(mult(i(b), a), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.21      inference(symmetry,[status(thm)],[505])).
% 4.67/3.21  tff(512,plain,
% 4.67/3.21      (mult(a, i(a)) = mult(b, i(b))),
% 4.67/3.21      inference(transitivity,[status(thm)],[402, 401, 67, 32])).
% 4.67/3.21  tff(513,plain,
% 4.67/3.21      (mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(ld(mult(a, b), unit), b), mult(b, i(b)))),
% 4.67/3.21      inference(monotonicity,[status(thm)],[512])).
% 4.67/3.21  tff(514,plain,
% 4.67/3.21      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(mult(ld(mult(a, b), unit), b), a)) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(mult(ld(mult(a, b), unit), b), a)) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)))),
% 4.67/3.21      inference(rewrite,[status(thm)],[])).
% 4.67/3.21  tff(515,plain,
% 4.67/3.21      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(mult(ld(mult(a, b), unit), b), a)) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)))),
% 4.67/3.21      inference(quant_inst,[status(thm)],[])).
% 4.67/3.21  tff(516,plain,
% 4.67/3.21      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(mult(ld(mult(a, b), unit), b), a)) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a))),
% 4.67/3.21      inference(modus_ponens,[status(thm)],[515, 514])).
% 4.67/3.21  tff(517,plain,
% 4.67/3.21      ((mult(i(b), mult(mult(ld(mult(a, b), unit), b), a)) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a))),
% 4.67/3.21      inference(unit_resolution,[status(thm)],[516, 51])).
% 4.67/3.21  tff(518,plain,
% 4.67/3.21      (mult(i(b), mult(mult(ld(mult(a, b), unit), b), a)) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)),
% 4.67/3.21      inference(unit_resolution,[status(thm)],[517, 476])).
% 4.67/3.21  tff(519,assumption,(mult(i(b), mult(mult(ld(mult(a, b), unit), b), a)) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)), introduced(assumption)).
% 4.67/3.21  tff(520,plain,
% 4.67/3.21      ((~![B: $i, A: $i] : (rd(mult(A, B), B) = A)) | (rd(mult(unit, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)) = unit)),
% 4.67/3.21      inference(quant_inst,[status(thm)],[])).
% 4.67/3.21  tff(521,plain,
% 4.67/3.21      (rd(mult(unit, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)) = unit),
% 4.67/3.21      inference(unit_resolution,[status(thm)],[520, 80])).
% 4.67/3.21  tff(522,plain,
% 4.67/3.21      (mult(ld(mult(a, b), unit), b) = mult(unit, mult(ld(mult(a, b), unit), b))),
% 4.67/3.21      inference(symmetry,[status(thm)],[495])).
% 4.67/3.21  tff(523,assumption,(mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), a), i(a))), introduced(assumption)).
% 4.67/3.21  tff(524,plain,
% 4.67/3.21      (mult(mult(mult(ld(mult(a, b), unit), b), a), i(a)) = mult(mult(ld(mult(a, b), unit), b), mult(a, i(a)))),
% 4.67/3.21      inference(symmetry,[status(thm)],[523])).
% 4.67/3.21  tff(525,plain,
% 4.67/3.21      (ld(a, unit) = i(a)),
% 4.67/3.21      inference(symmetry,[status(thm)],[262])).
% 4.67/3.21  tff(526,plain,
% 4.67/3.21      (ld(a, mult(a, mult(ld(mult(a, b), unit), b))) = ld(a, unit)),
% 4.67/3.21      inference(symmetry,[status(thm)],[466])).
% 4.67/3.21  tff(527,plain,
% 4.67/3.21      (mult(ld(mult(a, b), unit), b) = ld(a, mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.21      inference(symmetry,[status(thm)],[253])).
% 4.67/3.21  tff(528,plain,
% 4.67/3.21      (mult(ld(mult(a, b), unit), b) = i(a)),
% 4.67/3.21      inference(transitivity,[status(thm)],[527, 526, 525])).
% 4.67/3.21  tff(529,plain,
% 4.67/3.21      (mult(mult(mult(ld(mult(a, b), unit), b), a), mult(ld(mult(a, b), unit), b)) = mult(mult(mult(ld(mult(a, b), unit), b), a), i(a))),
% 4.67/3.21      inference(monotonicity,[status(thm)],[528])).
% 4.67/3.21  tff(530,plain,
% 4.67/3.21      (mult(mult(mult(ld(mult(a, b), unit), b), a), mult(ld(mult(a, b), unit), b)) = mult(unit, mult(ld(mult(a, b), unit), b))),
% 4.67/3.21      inference(transitivity,[status(thm)],[529, 524, 513, 283, 282, 522])).
% 4.67/3.21  tff(531,plain,
% 4.67/3.21      (rd(mult(mult(mult(ld(mult(a, b), unit), b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)) = rd(mult(unit, mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))),
% 4.67/3.21      inference(monotonicity,[status(thm)],[530])).
% 4.67/3.21  tff(532,plain,
% 4.67/3.21      ((~![B: $i, A: $i] : (rd(mult(A, B), B) = A)) | (rd(mult(mult(mult(ld(mult(a, b), unit), b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)) = mult(mult(ld(mult(a, b), unit), b), a))),
% 4.67/3.21      inference(quant_inst,[status(thm)],[])).
% 4.67/3.21  tff(533,plain,
% 4.67/3.21      (rd(mult(mult(mult(ld(mult(a, b), unit), b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b)) = mult(mult(ld(mult(a, b), unit), b), a)),
% 4.67/3.21      inference(unit_resolution,[status(thm)],[532, 80])).
% 4.67/3.21  tff(534,plain,
% 4.67/3.21      (mult(mult(ld(mult(a, b), unit), b), a) = rd(mult(mult(mult(ld(mult(a, b), unit), b), a), mult(ld(mult(a, b), unit), b)), mult(ld(mult(a, b), unit), b))),
% 4.67/3.21      inference(symmetry,[status(thm)],[533])).
% 4.67/3.21  tff(535,plain,
% 4.67/3.21      (mult(mult(ld(mult(a, b), unit), b), a) = unit),
% 4.67/3.21      inference(transitivity,[status(thm)],[534, 531, 521])).
% 4.67/3.21  tff(536,plain,
% 4.67/3.21      (mult(i(b), mult(mult(ld(mult(a, b), unit), b), a)) = mult(i(b), unit)),
% 4.67/3.21      inference(monotonicity,[status(thm)],[535])).
% 4.67/3.21  tff(537,plain,
% 4.67/3.21      (mult(i(b), unit) = mult(i(b), mult(mult(ld(mult(a, b), unit), b), a))),
% 4.67/3.21      inference(symmetry,[status(thm)],[536])).
% 4.67/3.21  tff(538,plain,
% 4.67/3.21      (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)),
% 4.67/3.21      inference(transitivity,[status(thm)],[475, 537, 519])).
% 4.67/3.21  tff(539,plain,
% 4.67/3.21      ($false),
% 4.67/3.21      inference(unit_resolution,[status(thm)],[476, 538])).
% 4.67/3.22  tff(540,plain,((~(mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), a), i(a)))) | (mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) | (~(mult(i(b), mult(mult(ld(mult(a, b), unit), b), a)) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.22  tff(541,plain,
% 4.67/3.22      (~(mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), a), i(a)))),
% 4.67/3.22      inference(unit_resolution,[status(thm)],[540, 476, 518])).
% 4.67/3.22  tff(542,plain,
% 4.67/3.22      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), i(a)), a)) | (mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), a), i(a))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), i(a)), a)) | (mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), a), i(a))))),
% 4.67/3.22      inference(rewrite,[status(thm)],[])).
% 4.67/3.22  tff(543,plain,
% 4.67/3.22      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), i(a)), a)) | (mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), a), i(a))))),
% 4.67/3.22      inference(quant_inst,[status(thm)],[])).
% 4.67/3.22  tff(544,plain,
% 4.67/3.22      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), i(a)), a)) | (mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), a), i(a)))),
% 4.67/3.22      inference(modus_ponens,[status(thm)],[543, 542])).
% 4.67/3.22  tff(545,plain,
% 4.67/3.22      ((mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), i(a)), a)) | (mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), a), i(a)))),
% 4.67/3.22      inference(unit_resolution,[status(thm)],[544, 132])).
% 4.67/3.22  tff(546,plain,
% 4.67/3.22      (mult(mult(ld(mult(a, b), unit), b), mult(a, i(a))) = mult(mult(mult(ld(mult(a, b), unit), b), i(a)), a)),
% 4.67/3.22      inference(unit_resolution,[status(thm)],[545, 541])).
% 4.67/3.22  tff(547,plain,
% 4.67/3.22      (mult(mult(mult(ld(mult(a, b), unit), b), i(a)), a) = mult(mult(ld(mult(a, b), unit), b), mult(a, i(a)))),
% 4.67/3.22      inference(symmetry,[status(thm)],[546])).
% 4.67/3.22  tff(548,plain,
% 4.67/3.22      (mult(mult(ld(mult(a, b), unit), b), i(a)) = mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))),
% 4.67/3.22      inference(monotonicity,[status(thm)],[467])).
% 4.67/3.22  tff(549,plain,
% 4.67/3.22      (mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)) = mult(mult(ld(mult(a, b), unit), b), i(a))),
% 4.67/3.22      inference(symmetry,[status(thm)],[548])).
% 4.67/3.22  tff(550,plain,
% 4.67/3.22      (mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a) = mult(mult(mult(ld(mult(a, b), unit), b), i(a)), a)),
% 4.67/3.22      inference(monotonicity,[status(thm)],[549])).
% 4.67/3.22  tff(551,plain,
% 4.67/3.22      (mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a) = mult(ld(mult(a, b), unit), b)),
% 4.67/3.22      inference(transitivity,[status(thm)],[550, 547, 513, 283, 282])).
% 4.67/3.22  tff(552,plain,
% 4.67/3.22      (mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(i(b), a), mult(ld(mult(a, b), unit), b))),
% 4.67/3.22      inference(monotonicity,[status(thm)],[551])).
% 4.67/3.22  tff(553,plain,
% 4.67/3.22      (mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.22      inference(transitivity,[status(thm)],[552, 511])).
% 4.67/3.22  tff(554,plain,
% 4.67/3.22      ((mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) <=> (mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a))),
% 4.67/3.22      inference(monotonicity,[status(thm)],[553])).
% 4.67/3.22  tff(555,plain,
% 4.67/3.22      ((mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) <=> (mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a))),
% 4.67/3.22      inference(symmetry,[status(thm)],[554])).
% 4.67/3.22  tff(556,plain,
% 4.67/3.22      ((mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)) <=> (mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a))),
% 4.67/3.22      inference(transitivity,[status(thm)],[508, 555])).
% 4.67/3.22  tff(557,plain,
% 4.67/3.22      ((~(mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a))) <=> (~(mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)))),
% 4.67/3.22      inference(monotonicity,[status(thm)],[556])).
% 4.67/3.22  tff(558,plain,
% 4.67/3.22      (~(mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a))),
% 4.67/3.22      inference(modus_ponens,[status(thm)],[476, 557])).
% 4.67/3.22  tff(559,plain,
% 4.67/3.22      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) | (mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) | (mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)))),
% 4.67/3.22      inference(rewrite,[status(thm)],[])).
% 4.67/3.22  tff(560,plain,
% 4.67/3.22      (((mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) | (mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a))) <=> ((mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) | (mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)))),
% 4.67/3.22      inference(rewrite,[status(thm)],[])).
% 4.67/3.22  tff(561,plain,
% 4.67/3.22      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) | (mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) | (mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a))))),
% 4.67/3.22      inference(monotonicity,[status(thm)],[560])).
% 4.67/3.22  tff(562,plain,
% 4.67/3.22      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) | (mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) | (mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)))),
% 4.67/3.22      inference(transitivity,[status(thm)],[561, 559])).
% 4.67/3.22  tff(563,plain,
% 4.67/3.22      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) | (mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)))),
% 4.67/3.22      inference(quant_inst,[status(thm)],[])).
% 4.67/3.22  tff(564,plain,
% 4.67/3.22      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) | (mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a))),
% 4.67/3.22      inference(modus_ponens,[status(thm)],[563, 562])).
% 4.67/3.22  tff(565,plain,
% 4.67/3.22      ((mult(mult(i(b), a), mult(a, mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)))) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a)) | (mult(mult(i(b), a), mult(mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b)), a)) = mult(mult(mult(i(b), a), mult(mult(ld(mult(a, b), unit), b), mult(ld(mult(a, b), unit), b))), a))),
% 4.67/3.22      inference(unit_resolution,[status(thm)],[564, 51])).
% 4.67/3.22  tff(566,plain,
% 4.67/3.22      ($false),
% 4.67/3.22      inference(unit_resolution,[status(thm)],[565, 558, 510])).
% 4.67/3.22  tff(567,plain,(mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)), inference(lemma,lemma(discharge,[]))).
% 4.67/3.22  tff(568,plain,
% 4.67/3.22      (mult(mult(i(b), b), mult(i(b), ld(mult(a, b), unit))) = mult(unit, mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.22      inference(monotonicity,[status(thm)],[236])).
% 4.67/3.22  tff(569,plain,
% 4.67/3.22      (mult(unit, mult(i(b), ld(mult(a, b), unit))) = mult(mult(i(b), b), mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.22      inference(symmetry,[status(thm)],[568])).
% 4.67/3.22  tff(570,plain,
% 4.67/3.22      ((~![A: $i] : (mult(unit, A) = A)) | (mult(unit, mult(i(b), ld(mult(a, b), unit))) = mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.22      inference(quant_inst,[status(thm)],[])).
% 4.67/3.22  tff(571,plain,
% 4.67/3.22      (mult(unit, mult(i(b), ld(mult(a, b), unit))) = mult(i(b), ld(mult(a, b), unit))),
% 4.67/3.22      inference(unit_resolution,[status(thm)],[570, 40])).
% 4.67/3.22  tff(572,plain,
% 4.67/3.22      (mult(i(b), ld(mult(a, b), unit)) = mult(unit, mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.22      inference(symmetry,[status(thm)],[571])).
% 4.67/3.22  tff(573,plain,
% 4.67/3.22      (mult(i(b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(i(b), ld(mult(a, b), unit))),
% 4.67/3.22      inference(monotonicity,[status(thm)],[304])).
% 4.67/3.22  tff(574,assumption,(~(mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b)))), introduced(assumption)).
% 4.67/3.22  tff(575,plain,
% 4.67/3.22      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.22      inference(rewrite,[status(thm)],[])).
% 4.67/3.22  tff(576,plain,
% 4.67/3.22      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.22      inference(quant_inst,[status(thm)],[])).
% 4.67/3.22  tff(577,plain,
% 4.67/3.22      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.22      inference(modus_ponens,[status(thm)],[576, 575])).
% 4.67/3.22  tff(578,plain,
% 4.67/3.22      ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.22      inference(unit_resolution,[status(thm)],[577, 51])).
% 4.67/3.22  tff(579,plain,
% 4.67/3.22      (mult(i(b), mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))),
% 4.67/3.22      inference(unit_resolution,[status(thm)],[578, 574])).
% 4.67/3.22  tff(580,plain,
% 4.67/3.22      (mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b)) = mult(i(b), mult(mult(ld(mult(a, b), unit), b), i(b)))),
% 4.67/3.22      inference(symmetry,[status(thm)],[579])).
% 4.67/3.22  tff(581,plain,
% 4.67/3.22      (mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.22      inference(transitivity,[status(thm)],[580, 573, 572, 569])).
% 4.67/3.22  tff(582,plain,
% 4.67/3.22      (mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.22      inference(monotonicity,[status(thm)],[336])).
% 4.67/3.22  tff(583,plain,
% 4.67/3.22      (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.22      inference(symmetry,[status(thm)],[582])).
% 4.67/3.22  tff(584,plain,
% 4.67/3.22      ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) <=> (mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(i(b), b), mult(i(b), ld(mult(a, b), unit))))),
% 4.67/3.23      inference(monotonicity,[status(thm)],[583, 581])).
% 4.67/3.23  tff(585,plain,
% 4.67/3.23      ((mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(i(b), b), mult(i(b), ld(mult(a, b), unit)))) <=> (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.23      inference(symmetry,[status(thm)],[584])).
% 4.67/3.23  tff(586,plain,
% 4.67/3.23      (mult(mult(i(b), unit), ld(mult(a, b), unit)) = mult(i(b), ld(mult(a, b), unit))),
% 4.67/3.23      inference(monotonicity,[status(thm)],[359])).
% 4.67/3.23  tff(587,plain,
% 4.67/3.23      (mult(i(b), ld(mult(a, b), unit)) = mult(mult(i(b), unit), ld(mult(a, b), unit))),
% 4.67/3.23      inference(symmetry,[status(thm)],[586])).
% 4.67/3.23  tff(588,plain,
% 4.67/3.23      ((~![A: $i] : (mult(A, unit) = A)) | (mult(mult(i(b), ld(mult(a, b), unit)), unit) = mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.23      inference(quant_inst,[status(thm)],[])).
% 4.67/3.23  tff(589,plain,
% 4.67/3.23      (mult(mult(i(b), ld(mult(a, b), unit)), unit) = mult(i(b), ld(mult(a, b), unit))),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[588, 8])).
% 4.67/3.23  tff(590,assumption,(~(mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), unit), ld(mult(a, b), unit)))), introduced(assumption)).
% 4.67/3.23  tff(591,plain,
% 4.67/3.23      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), unit)) | (mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), unit), ld(mult(a, b), unit))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), unit)) | (mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), unit), ld(mult(a, b), unit))))),
% 4.67/3.23      inference(rewrite,[status(thm)],[])).
% 4.67/3.23  tff(592,plain,
% 4.67/3.23      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), unit)) | (mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), unit), ld(mult(a, b), unit))))),
% 4.67/3.23      inference(quant_inst,[status(thm)],[])).
% 4.67/3.23  tff(593,plain,
% 4.67/3.23      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), unit)) | (mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), unit), ld(mult(a, b), unit)))),
% 4.67/3.23      inference(modus_ponens,[status(thm)],[592, 591])).
% 4.67/3.23  tff(594,plain,
% 4.67/3.23      ((mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), unit)) | (mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), unit), ld(mult(a, b), unit)))),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[593, 132])).
% 4.67/3.23  tff(595,plain,
% 4.67/3.23      (mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), unit)),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[594, 590])).
% 4.67/3.23  tff(596,plain,
% 4.67/3.23      (mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), unit), ld(mult(a, b), unit))),
% 4.67/3.23      inference(transitivity,[status(thm)],[595, 589, 587])).
% 4.67/3.23  tff(597,plain,
% 4.67/3.23      ($false),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[590, 596])).
% 4.67/3.23  tff(598,plain,(mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), unit), ld(mult(a, b), unit))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.23  tff(599,plain,
% 4.67/3.23      (mult(i(b), ld(mult(a, b), unit)) = mult(mult(i(b), ld(mult(a, b), unit)), unit)),
% 4.67/3.23      inference(symmetry,[status(thm)],[589])).
% 4.67/3.23  tff(600,plain,
% 4.67/3.23      (mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), unit)),
% 4.67/3.23      inference(transitivity,[status(thm)],[598, 586, 599])).
% 4.67/3.23  tff(601,assumption,(~(mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), unit))), introduced(assumption)).
% 4.67/3.23  tff(602,plain,
% 4.67/3.23      ($false),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[601, 600])).
% 4.67/3.23  tff(603,plain,(mult(i(b), mult(unit, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), unit)), inference(lemma,lemma(discharge,[]))).
% 4.67/3.23  tff(604,plain,
% 4.67/3.23      (mult(mult(i(b), ld(mult(a, b), unit)), unit) = mult(i(b), mult(unit, ld(mult(a, b), unit)))),
% 4.67/3.23      inference(symmetry,[status(thm)],[603])).
% 4.67/3.23  tff(605,plain,
% 4.67/3.23      (mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b))) = mult(mult(i(b), ld(mult(a, b), unit)), unit)),
% 4.67/3.23      inference(monotonicity,[status(thm)],[30])).
% 4.67/3.23  tff(606,plain,
% 4.67/3.23      (mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b)) = mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b)))),
% 4.67/3.23      inference(monotonicity,[status(thm)],[219])).
% 4.67/3.23  tff(607,plain,
% 4.67/3.23      ((mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) <=> (mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b))) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b)))),
% 4.67/3.23      inference(monotonicity,[status(thm)],[606])).
% 4.67/3.23  tff(608,plain,
% 4.67/3.23      ((mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b))) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) <=> (mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b)))),
% 4.67/3.23      inference(symmetry,[status(thm)],[607])).
% 4.67/3.23  tff(609,assumption,(~(mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b)))), introduced(assumption)).
% 4.67/3.23  tff(610,plain,
% 4.67/3.23      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b))) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) | (mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b))) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) | (mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))))),
% 4.67/3.23      inference(rewrite,[status(thm)],[])).
% 4.67/3.23  tff(611,plain,
% 4.67/3.23      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b))) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) | (mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))))),
% 4.67/3.23      inference(quant_inst,[status(thm)],[])).
% 4.67/3.23  tff(612,plain,
% 4.67/3.23      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b))) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) | (mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b)))),
% 4.67/3.23      inference(modus_ponens,[status(thm)],[611, 610])).
% 4.67/3.23  tff(613,plain,
% 4.67/3.23      ((mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b))) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) | (mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b)))),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[612, 51])).
% 4.67/3.23  tff(614,plain,
% 4.67/3.23      (mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b))) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[613, 609])).
% 4.67/3.23  tff(615,plain,
% 4.67/3.23      (mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))),
% 4.67/3.23      inference(modus_ponens,[status(thm)],[614, 608])).
% 4.67/3.23  tff(616,plain,
% 4.67/3.23      ($false),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[609, 615])).
% 4.67/3.23  tff(617,plain,(mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.23  tff(618,plain,
% 4.67/3.23      (mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b)) = mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b))),
% 4.67/3.23      inference(symmetry,[status(thm)],[617])).
% 4.67/3.23  tff(619,plain,
% 4.67/3.23      (mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))),
% 4.67/3.23      inference(monotonicity,[status(thm)],[321])).
% 4.67/3.23  tff(620,plain,
% 4.67/3.23      (mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b)) = mult(mult(i(b), b), mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.23      inference(transitivity,[status(thm)],[619, 618, 606, 605, 604, 598, 586, 572, 569])).
% 4.67/3.23  tff(621,plain,
% 4.67/3.23      ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b))) <=> (mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(i(b), b), mult(i(b), ld(mult(a, b), unit))))),
% 4.67/3.23      inference(monotonicity,[status(thm)],[583, 620])).
% 4.67/3.23  tff(622,plain,
% 4.67/3.23      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b))))),
% 4.67/3.23      inference(rewrite,[status(thm)],[])).
% 4.67/3.23  tff(623,plain,
% 4.67/3.23      (((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b)))) <=> ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b))))),
% 4.67/3.23      inference(rewrite,[status(thm)],[])).
% 4.67/3.23  tff(624,plain,
% 4.67/3.23      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b)))))),
% 4.67/3.23      inference(monotonicity,[status(thm)],[623])).
% 4.67/3.23  tff(625,plain,
% 4.67/3.23      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b))))),
% 4.67/3.23      inference(transitivity,[status(thm)],[624, 622])).
% 4.67/3.23  tff(626,plain,
% 4.67/3.23      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.23      inference(quant_inst,[status(thm)],[])).
% 4.67/3.23  tff(627,plain,
% 4.67/3.23      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b)))),
% 4.67/3.23      inference(modus_ponens,[status(thm)],[626, 625])).
% 4.67/3.23  tff(628,plain,
% 4.67/3.23      ((mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))) | (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b)))),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[627, 132])).
% 4.67/3.23  tff(629,plain,
% 4.67/3.23      (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), i(b))),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[628, 574])).
% 4.67/3.23  tff(630,plain,
% 4.67/3.23      (mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(i(b), b), mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.23      inference(modus_ponens,[status(thm)],[629, 621])).
% 4.67/3.23  tff(631,plain,
% 4.67/3.23      (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))),
% 4.67/3.23      inference(modus_ponens,[status(thm)],[630, 585])).
% 4.67/3.23  tff(632,plain,
% 4.67/3.23      ($false),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[574, 631])).
% 4.67/3.23  tff(633,plain,(mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.23  tff(634,plain,
% 4.67/3.23      (mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.23      inference(monotonicity,[status(thm)],[321])).
% 4.67/3.23  tff(635,plain,
% 4.67/3.23      (mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(i(b), mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.23      inference(symmetry,[status(thm)],[634])).
% 4.67/3.23  tff(636,plain,
% 4.67/3.23      (mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b))),
% 4.67/3.23      inference(transitivity,[status(thm)],[635, 633])).
% 4.67/3.23  tff(637,plain,
% 4.67/3.23      (mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a) = mult(mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b)), a)),
% 4.67/3.23      inference(monotonicity,[status(thm)],[636])).
% 4.67/3.23  tff(638,plain,
% 4.67/3.23      (mult(mult(i(b), i(b)), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), i(b)), unit)),
% 4.67/3.23      inference(monotonicity,[status(thm)],[474])).
% 4.67/3.23  tff(639,plain,
% 4.67/3.23      (mult(mult(i(b), i(b)), unit) = mult(mult(i(b), i(b)), mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.23      inference(symmetry,[status(thm)],[638])).
% 4.67/3.23  tff(640,plain,
% 4.67/3.23      ((~![A: $i] : (mult(A, unit) = A)) | (mult(mult(i(b), i(b)), unit) = mult(i(b), i(b)))),
% 4.67/3.23      inference(quant_inst,[status(thm)],[])).
% 4.67/3.23  tff(641,plain,
% 4.67/3.23      (mult(mult(i(b), i(b)), unit) = mult(i(b), i(b))),
% 4.67/3.23      inference(unit_resolution,[status(thm)],[640, 8])).
% 4.67/3.23  tff(642,plain,
% 4.67/3.23      (mult(i(b), i(b)) = mult(mult(i(b), i(b)), unit)),
% 4.67/3.23      inference(symmetry,[status(thm)],[641])).
% 4.67/3.23  tff(643,plain,
% 4.67/3.23      (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), i(b)), mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.23      inference(transitivity,[status(thm)],[473, 642, 639])).
% 4.67/3.23  tff(644,plain,
% 4.67/3.23      ((mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) <=> (mult(mult(i(b), i(b)), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b)), a))),
% 4.67/3.23      inference(monotonicity,[status(thm)],[643, 637])).
% 4.67/3.23  tff(645,plain,
% 4.67/3.23      ((mult(mult(i(b), i(b)), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b)), a)) <=> (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a))),
% 4.67/3.23      inference(symmetry,[status(thm)],[644])).
% 4.67/3.23  tff(646,assumption,(mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)), introduced(assumption)).
% 4.67/3.23  tff(647,plain,
% 4.67/3.23      (mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a) = mult(i(b), mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.23      inference(symmetry,[status(thm)],[646])).
% 4.67/3.24  tff(648,plain,
% 4.67/3.24      (mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)),
% 4.67/3.24      inference(monotonicity,[status(thm)],[336])).
% 4.67/3.24  tff(649,plain,
% 4.67/3.24      (mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a) = i(b)),
% 4.67/3.24      inference(transitivity,[status(thm)],[648, 647, 475, 359])).
% 4.67/3.24  tff(650,plain,
% 4.67/3.24      (mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(i(b), i(b))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[649])).
% 4.67/3.24  tff(651,plain,
% 4.67/3.24      (mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), i(b)), mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.67/3.24      inference(transitivity,[status(thm)],[650, 642, 639])).
% 4.67/3.24  tff(652,plain,
% 4.67/3.24      ((mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) <=> (mult(mult(i(b), i(b)), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(mult(i(b), i(b)), mult(ld(mult(a, b), unit), b)), a))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[651, 637])).
% 4.67/3.24  tff(653,plain,
% 4.67/3.24      ((mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) <=> (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a))),
% 4.67/3.24      inference(transitivity,[status(thm)],[652, 645])).
% 4.67/3.24  tff(654,assumption,(~(mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a))), introduced(assumption)).
% 4.67/3.24  tff(655,plain,
% 4.67/3.24      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)))),
% 4.67/3.24      inference(rewrite,[status(thm)],[])).
% 4.67/3.24  tff(656,plain,
% 4.67/3.24      (((mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a))) <=> ((mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)))),
% 4.67/3.24      inference(rewrite,[status(thm)],[])).
% 4.67/3.24  tff(657,plain,
% 4.67/3.24      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a))))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[656])).
% 4.67/3.24  tff(658,plain,
% 4.67/3.24      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)))),
% 4.67/3.24      inference(transitivity,[status(thm)],[657, 655])).
% 4.67/3.24  tff(659,plain,
% 4.67/3.24      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)))),
% 4.67/3.24      inference(quant_inst,[status(thm)],[])).
% 4.67/3.24  tff(660,plain,
% 4.67/3.24      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a))),
% 4.67/3.24      inference(modus_ponens,[status(thm)],[659, 658])).
% 4.67/3.24  tff(661,plain,
% 4.67/3.24      ((mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a))),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[660, 51])).
% 4.67/3.24  tff(662,plain,
% 4.67/3.24      (mult(i(b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[661, 654])).
% 4.67/3.24  tff(663,plain,
% 4.67/3.24      (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)),
% 4.67/3.24      inference(modus_ponens,[status(thm)],[662, 653])).
% 4.67/3.24  tff(664,plain,
% 4.67/3.24      ($false),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[654, 663])).
% 4.67/3.24  tff(665,plain,((mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) | (~(mult(i(b), mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a)))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.24  tff(666,plain,
% 4.67/3.24      (mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[665, 567])).
% 4.67/3.24  tff(667,plain,
% 4.67/3.24      (mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a) = mult(i(b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.24      inference(symmetry,[status(thm)],[666])).
% 4.67/3.24  tff(668,plain,
% 4.67/3.24      (mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a) = mult(i(b), i(b))),
% 4.67/3.24      inference(transitivity,[status(thm)],[667, 473])).
% 4.67/3.24  tff(669,plain,
% 4.67/3.24      (mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(b, b), mult(i(b), i(b)))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[668])).
% 4.67/3.24  tff(670,plain,
% 4.67/3.24      (mult(mult(unit, mult(ld(mult(a, b), unit), b)), a) = mult(mult(ld(mult(a, b), unit), b), a)),
% 4.67/3.24      inference(monotonicity,[status(thm)],[495])).
% 4.67/3.24  tff(671,plain,
% 4.67/3.24      (mult(mult(ld(mult(a, b), unit), b), a) = mult(mult(unit, mult(ld(mult(a, b), unit), b)), a)),
% 4.67/3.24      inference(symmetry,[status(thm)],[670])).
% 4.67/3.24  tff(672,plain,
% 4.67/3.24      (mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b)) = mult(unit, mult(ld(mult(a, b), unit), b))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[30])).
% 4.67/3.24  tff(673,assumption,(mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))), introduced(assumption)).
% 4.67/3.24  tff(674,plain,
% 4.67/3.24      (ld(mult(a, b), unit) = mult(mult(ld(mult(a, b), unit), b), i(b))),
% 4.67/3.24      inference(transitivity,[status(thm)],[448, 447, 302])).
% 4.67/3.24  tff(675,plain,
% 4.67/3.24      (mult(b, ld(mult(a, b), unit)) = mult(b, mult(mult(ld(mult(a, b), unit), b), i(b)))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[674])).
% 4.67/3.24  tff(676,plain,
% 4.67/3.24      (mult(b, ld(mult(a, b), unit)) = mult(ld(mult(a, b), unit), b)),
% 4.67/3.24      inference(transitivity,[status(thm)],[675, 673, 672, 495])).
% 4.67/3.24  tff(677,plain,
% 4.67/3.24      (mult(a, mult(b, ld(mult(a, b), unit))) = mult(a, mult(ld(mult(a, b), unit), b))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[676])).
% 4.67/3.24  tff(678,plain,
% 4.67/3.24      (mult(a, mult(ld(mult(a, b), unit), b)) = mult(a, mult(b, ld(mult(a, b), unit)))),
% 4.67/3.24      inference(symmetry,[status(thm)],[677])).
% 4.67/3.24  tff(679,plain,
% 4.67/3.24      (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b)),
% 4.67/3.24      inference(transitivity,[status(thm)],[678, 439])).
% 4.67/3.24  tff(680,plain,
% 4.67/3.24      ($false),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[443, 679])).
% 4.67/3.24  tff(681,plain,(~(mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b)))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.24  tff(682,plain,
% 4.67/3.24      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))) | (mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))) | (mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.24      inference(rewrite,[status(thm)],[])).
% 4.67/3.24  tff(683,plain,
% 4.67/3.24      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))) | (mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))))),
% 4.67/3.24      inference(quant_inst,[status(thm)],[])).
% 4.67/3.24  tff(684,plain,
% 4.67/3.24      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))) | (mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.24      inference(modus_ponens,[status(thm)],[683, 682])).
% 4.67/3.24  tff(685,plain,
% 4.67/3.24      ((mult(b, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))) | (mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[684, 51])).
% 4.67/3.24  tff(686,plain,
% 4.67/3.24      (mult(b, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[685, 681])).
% 4.67/3.24  tff(687,plain,
% 4.67/3.24      ((~![A: $i] : (mult(A, unit) = A)) | (mult(b, unit) = b)),
% 4.67/3.24      inference(quant_inst,[status(thm)],[])).
% 4.67/3.24  tff(688,plain,
% 4.67/3.24      (mult(b, unit) = b),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[687, 8])).
% 4.67/3.24  tff(689,plain,
% 4.67/3.24      (mult(b, mult(b, i(b))) = mult(b, unit)),
% 4.67/3.24      inference(monotonicity,[status(thm)],[30])).
% 4.67/3.24  tff(690,plain,
% 4.67/3.24      (mult(mult(b, b), mult(unit, i(b))) = mult(mult(b, b), i(b))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[43])).
% 4.67/3.24  tff(691,plain,
% 4.67/3.24      (mult(mult(b, b), i(b)) = mult(mult(b, b), mult(unit, i(b)))),
% 4.67/3.24      inference(symmetry,[status(thm)],[690])).
% 4.67/3.24  tff(692,plain,
% 4.67/3.24      (mult(mult(b, b), mult(i(b), unit)) = mult(mult(b, b), i(b))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[359])).
% 4.67/3.24  tff(693,plain,
% 4.67/3.24      (mult(mult(b, b), mult(i(b), unit)) = mult(mult(b, b), mult(unit, i(b)))),
% 4.67/3.24      inference(transitivity,[status(thm)],[692, 691])).
% 4.67/3.24  tff(694,plain,
% 4.67/3.24      ((mult(mult(b, b), mult(i(b), unit)) = mult(mult(mult(b, b), unit), i(b))) <=> (mult(mult(b, b), mult(unit, i(b))) = mult(mult(mult(b, b), unit), i(b)))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[693])).
% 4.67/3.24  tff(695,plain,
% 4.67/3.24      ((mult(mult(b, b), mult(unit, i(b))) = mult(mult(mult(b, b), unit), i(b))) <=> (mult(mult(b, b), mult(i(b), unit)) = mult(mult(mult(b, b), unit), i(b)))),
% 4.67/3.24      inference(symmetry,[status(thm)],[694])).
% 4.67/3.24  tff(696,assumption,(~(mult(mult(b, b), mult(i(b), unit)) = mult(mult(mult(b, b), unit), i(b)))), introduced(assumption)).
% 4.67/3.24  tff(697,plain,
% 4.67/3.24      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(b, b), mult(unit, i(b))) = mult(mult(mult(b, b), unit), i(b))) | (mult(mult(b, b), mult(i(b), unit)) = mult(mult(mult(b, b), unit), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(b, b), mult(unit, i(b))) = mult(mult(mult(b, b), unit), i(b))) | (mult(mult(b, b), mult(i(b), unit)) = mult(mult(mult(b, b), unit), i(b))))),
% 4.67/3.24      inference(rewrite,[status(thm)],[])).
% 4.67/3.24  tff(698,plain,
% 4.67/3.24      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(b, b), mult(unit, i(b))) = mult(mult(mult(b, b), unit), i(b))) | (mult(mult(b, b), mult(i(b), unit)) = mult(mult(mult(b, b), unit), i(b))))),
% 4.67/3.24      inference(quant_inst,[status(thm)],[])).
% 4.67/3.24  tff(699,plain,
% 4.67/3.24      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(b, b), mult(unit, i(b))) = mult(mult(mult(b, b), unit), i(b))) | (mult(mult(b, b), mult(i(b), unit)) = mult(mult(mult(b, b), unit), i(b)))),
% 4.67/3.24      inference(modus_ponens,[status(thm)],[698, 697])).
% 4.67/3.24  tff(700,plain,
% 4.67/3.24      ((mult(mult(b, b), mult(unit, i(b))) = mult(mult(mult(b, b), unit), i(b))) | (mult(mult(b, b), mult(i(b), unit)) = mult(mult(mult(b, b), unit), i(b)))),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[699, 51])).
% 4.67/3.24  tff(701,plain,
% 4.67/3.24      (mult(mult(b, b), mult(unit, i(b))) = mult(mult(mult(b, b), unit), i(b))),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[700, 696])).
% 4.67/3.24  tff(702,plain,
% 4.67/3.24      (mult(mult(b, b), mult(i(b), unit)) = mult(mult(mult(b, b), unit), i(b))),
% 4.67/3.24      inference(modus_ponens,[status(thm)],[701, 695])).
% 4.67/3.24  tff(703,plain,
% 4.67/3.24      ($false),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[696, 702])).
% 4.67/3.24  tff(704,plain,(mult(mult(b, b), mult(i(b), unit)) = mult(mult(mult(b, b), unit), i(b))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.24  tff(705,plain,
% 4.67/3.24      (mult(mult(mult(b, b), unit), i(b)) = mult(mult(b, b), mult(i(b), unit))),
% 4.67/3.24      inference(symmetry,[status(thm)],[704])).
% 4.67/3.24  tff(706,plain,
% 4.67/3.24      ((~![A: $i] : (mult(A, unit) = A)) | (mult(mult(b, b), unit) = mult(b, b))),
% 4.67/3.24      inference(quant_inst,[status(thm)],[])).
% 4.67/3.24  tff(707,plain,
% 4.67/3.24      (mult(mult(b, b), unit) = mult(b, b)),
% 4.67/3.24      inference(unit_resolution,[status(thm)],[706, 8])).
% 4.67/3.24  tff(708,plain,
% 4.67/3.24      (mult(b, b) = mult(mult(b, b), unit)),
% 4.67/3.24      inference(symmetry,[status(thm)],[707])).
% 4.67/3.24  tff(709,plain,
% 4.67/3.24      (mult(mult(b, b), i(b)) = mult(mult(mult(b, b), unit), i(b))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[708])).
% 4.67/3.24  tff(710,plain,
% 4.67/3.24      (mult(mult(b, b), i(b)) = mult(mult(b, b), mult(i(b), unit))),
% 4.67/3.24      inference(transitivity,[status(thm)],[709, 705])).
% 4.67/3.24  tff(711,plain,
% 4.67/3.24      (mult(i(b), unit) = ld(b, unit)),
% 4.67/3.24      inference(transitivity,[status(thm)],[359, 28])).
% 4.67/3.24  tff(712,plain,
% 4.67/3.24      (mult(b, mult(i(b), unit)) = mult(b, ld(b, unit))),
% 4.67/3.24      inference(monotonicity,[status(thm)],[711])).
% 4.67/3.24  tff(713,plain,
% 4.67/3.24      (mult(b, mult(i(b), unit)) = unit),
% 4.67/3.24      inference(transitivity,[status(thm)],[712, 19])).
% 4.67/3.24  tff(714,plain,
% 4.67/3.24      (mult(b, mult(b, mult(i(b), unit))) = mult(b, unit)),
% 4.67/3.24      inference(monotonicity,[status(thm)],[713])).
% 4.67/3.24  tff(715,plain,
% 4.67/3.24      (mult(b, unit) = mult(b, mult(b, mult(i(b), unit)))),
% 4.67/3.24      inference(symmetry,[status(thm)],[714])).
% 4.67/3.24  tff(716,plain,
% 4.67/3.24      (mult(b, mult(b, i(b))) = mult(b, mult(b, mult(i(b), unit)))),
% 4.67/3.24      inference(transitivity,[status(thm)],[689, 715])).
% 4.67/3.24  tff(717,plain,
% 4.67/3.24      ((mult(b, mult(b, i(b))) = mult(mult(b, b), i(b))) <=> (mult(b, mult(b, mult(i(b), unit))) = mult(mult(b, b), mult(i(b), unit)))),
% 4.67/3.25      inference(monotonicity,[status(thm)],[716, 710])).
% 4.67/3.25  tff(718,plain,
% 4.67/3.25      ((mult(b, mult(b, mult(i(b), unit))) = mult(mult(b, b), mult(i(b), unit))) <=> (mult(b, mult(b, i(b))) = mult(mult(b, b), i(b)))),
% 4.67/3.25      inference(symmetry,[status(thm)],[717])).
% 4.67/3.25  tff(719,plain,
% 4.67/3.25      (mult(b, mult(i(b), b)) = mult(b, unit)),
% 4.67/3.25      inference(monotonicity,[status(thm)],[236])).
% 4.67/3.25  tff(720,plain,
% 4.67/3.25      (mult(mult(i(b), unit), b) = mult(i(b), b)),
% 4.67/3.25      inference(monotonicity,[status(thm)],[359])).
% 4.67/3.25  tff(721,plain,
% 4.67/3.25      (mult(b, mult(mult(i(b), unit), b)) = mult(b, mult(i(b), b))),
% 4.67/3.25      inference(monotonicity,[status(thm)],[720])).
% 4.67/3.25  tff(722,plain,
% 4.67/3.25      (mult(b, mult(mult(i(b), unit), b)) = mult(b, mult(b, mult(i(b), unit)))),
% 4.67/3.25      inference(transitivity,[status(thm)],[721, 719, 715])).
% 4.67/3.25  tff(723,plain,
% 4.67/3.25      ((mult(b, mult(mult(i(b), unit), b)) = mult(mult(b, b), mult(i(b), unit))) <=> (mult(b, mult(b, mult(i(b), unit))) = mult(mult(b, b), mult(i(b), unit)))),
% 4.67/3.25      inference(monotonicity,[status(thm)],[722])).
% 4.67/3.25  tff(724,plain,
% 4.67/3.25      (mult(b, mult(i(b), b)) = mult(b, mult(mult(i(b), unit), b))),
% 4.67/3.25      inference(symmetry,[status(thm)],[721])).
% 4.67/3.25  tff(725,plain,
% 4.67/3.25      ((mult(b, mult(i(b), b)) = mult(mult(b, b), i(b))) <=> (mult(b, mult(mult(i(b), unit), b)) = mult(mult(b, b), mult(i(b), unit)))),
% 4.67/3.25      inference(monotonicity,[status(thm)],[724, 710])).
% 4.67/3.25  tff(726,plain,
% 4.67/3.25      ((mult(b, mult(i(b), b)) = mult(mult(b, b), i(b))) <=> (mult(b, mult(b, i(b))) = mult(mult(b, b), i(b)))),
% 4.67/3.25      inference(transitivity,[status(thm)],[725, 723, 718])).
% 4.67/3.25  tff(727,assumption,(~(mult(b, mult(b, i(b))) = mult(mult(b, b), i(b)))), introduced(assumption)).
% 4.67/3.25  tff(728,plain,
% 4.67/3.25      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(b, i(b))) = mult(mult(b, b), i(b))) | (mult(b, mult(i(b), b)) = mult(mult(b, b), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(b, i(b))) = mult(mult(b, b), i(b))) | (mult(b, mult(i(b), b)) = mult(mult(b, b), i(b))))),
% 4.67/3.25      inference(rewrite,[status(thm)],[])).
% 4.67/3.25  tff(729,plain,
% 4.67/3.25      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(b, i(b))) = mult(mult(b, b), i(b))) | (mult(b, mult(i(b), b)) = mult(mult(b, b), i(b))))),
% 4.67/3.25      inference(quant_inst,[status(thm)],[])).
% 4.67/3.25  tff(730,plain,
% 4.67/3.25      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(b, i(b))) = mult(mult(b, b), i(b))) | (mult(b, mult(i(b), b)) = mult(mult(b, b), i(b)))),
% 4.67/3.25      inference(modus_ponens,[status(thm)],[729, 728])).
% 4.67/3.25  tff(731,plain,
% 4.67/3.25      ((mult(b, mult(b, i(b))) = mult(mult(b, b), i(b))) | (mult(b, mult(i(b), b)) = mult(mult(b, b), i(b)))),
% 4.67/3.25      inference(unit_resolution,[status(thm)],[730, 51])).
% 4.67/3.25  tff(732,plain,
% 4.67/3.25      (mult(b, mult(i(b), b)) = mult(mult(b, b), i(b))),
% 4.67/3.25      inference(unit_resolution,[status(thm)],[731, 727])).
% 4.67/3.25  tff(733,plain,
% 4.67/3.25      (mult(b, mult(b, i(b))) = mult(mult(b, b), i(b))),
% 4.67/3.25      inference(modus_ponens,[status(thm)],[732, 726])).
% 4.67/3.25  tff(734,plain,
% 4.67/3.25      ($false),
% 4.67/3.25      inference(unit_resolution,[status(thm)],[727, 733])).
% 4.67/3.25  tff(735,plain,(mult(b, mult(b, i(b))) = mult(mult(b, b), i(b))), inference(lemma,lemma(discharge,[]))).
% 4.67/3.25  tff(736,plain,
% 4.67/3.25      (mult(mult(b, b), i(b)) = mult(b, mult(b, i(b)))),
% 4.67/3.25      inference(symmetry,[status(thm)],[735])).
% 4.67/3.25  tff(737,plain,
% 4.67/3.25      (mult(mult(b, b), i(b)) = b),
% 4.67/3.25      inference(transitivity,[status(thm)],[736, 689, 688])).
% 4.67/3.25  tff(738,plain,
% 4.67/3.25      (mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(b, mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.25      inference(monotonicity,[status(thm)],[737, 336])).
% 4.67/3.25  tff(739,plain,
% 4.67/3.25      ((mult(mult(b, b), mult(i(b), ld(mult(a, b), unit))) = mult(b, mult(mult(i(b), ld(mult(a, b), unit)), b))) <=> (mult(b, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.67/3.25      inference(commutativity,[status(thm)],[])).
% 4.67/3.25  tff(740,plain,
% 4.67/3.25      (mult(b, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(b, mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.25      inference(monotonicity,[status(thm)],[336])).
% 4.67/3.25  tff(741,plain,
% 4.67/3.25      (mult(b, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(b, mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.25      inference(symmetry,[status(thm)],[740])).
% 4.67/3.25  tff(742,plain,
% 4.67/3.25      (mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(b, mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.25      inference(transitivity,[status(thm)],[738, 741])).
% 4.67/3.25  tff(743,plain,
% 4.67/3.25      (mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b)) = mult(i(b), ld(mult(a, b), unit))),
% 4.67/3.25      inference(transitivity,[status(thm)],[618, 606, 605, 604, 598, 586])).
% 4.67/3.25  tff(744,plain,
% 4.67/3.25      (mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.25      inference(monotonicity,[status(thm)],[743])).
% 4.67/3.25  tff(745,plain,
% 4.67/3.25      ((mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) <=> (mult(mult(b, b), mult(i(b), ld(mult(a, b), unit))) = mult(b, mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.25      inference(monotonicity,[status(thm)],[744, 742])).
% 4.67/3.25  tff(746,plain,
% 4.67/3.25      ((mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) <=> (mult(b, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.67/3.25      inference(transitivity,[status(thm)],[745, 739])).
% 4.67/3.25  tff(747,plain,
% 4.67/3.25      ((mult(b, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit)))) <=> (mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.25      inference(symmetry,[status(thm)],[746])).
% 4.67/3.25  tff(748,plain,
% 4.67/3.25      (mult(mult(unit, b), ld(mult(a, b), unit)) = mult(b, ld(mult(a, b), unit))),
% 4.67/3.25      inference(monotonicity,[status(thm)],[355])).
% 4.67/3.25  tff(749,plain,
% 4.67/3.25      (mult(b, ld(mult(a, b), unit)) = mult(mult(unit, b), ld(mult(a, b), unit))),
% 4.67/3.25      inference(symmetry,[status(thm)],[748])).
% 4.67/3.25  tff(750,plain,
% 4.67/3.25      (mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit)) = mult(unit, ld(mult(a, b), unit))),
% 4.67/3.25      inference(monotonicity,[status(thm)],[352])).
% 4.67/3.25  tff(751,assumption,(~(mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit)))), introduced(assumption)).
% 4.67/3.25  tff(752,plain,
% 4.67/3.25      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))))),
% 4.67/3.25      inference(rewrite,[status(thm)],[])).
% 4.67/3.25  tff(753,plain,
% 4.67/3.25      (((mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit)))) <=> ((mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))))),
% 4.67/3.25      inference(rewrite,[status(thm)],[])).
% 4.67/3.25  tff(754,plain,
% 4.67/3.25      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b)))))),
% 4.67/3.25      inference(monotonicity,[status(thm)],[753])).
% 4.67/3.25  tff(755,plain,
% 4.67/3.25      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))))),
% 4.67/3.25      inference(transitivity,[status(thm)],[754, 752])).
% 4.67/3.25  tff(756,plain,
% 4.67/3.25      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))))),
% 4.67/3.25      inference(quant_inst,[status(thm)],[])).
% 4.67/3.25  tff(757,plain,
% 4.67/3.25      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b)))),
% 4.67/3.25      inference(modus_ponens,[status(thm)],[756, 755])).
% 4.67/3.25  tff(758,plain,
% 4.67/3.25      ((mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b)))),
% 4.67/3.25      inference(unit_resolution,[status(thm)],[757, 132])).
% 4.67/3.25  tff(759,plain,
% 4.67/3.25      (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))),
% 4.67/3.25      inference(unit_resolution,[status(thm)],[758, 751])).
% 4.67/3.25  tff(760,plain,
% 4.67/3.25      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(ld(mult(a, b), unit), i(b))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(ld(mult(a, b), unit), i(b))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))))),
% 4.67/3.25      inference(rewrite,[status(thm)],[])).
% 4.67/3.25  tff(761,plain,
% 4.67/3.25      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(ld(mult(a, b), unit), i(b))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))))),
% 4.67/3.25      inference(quant_inst,[status(thm)],[])).
% 4.67/3.25  tff(762,plain,
% 4.67/3.25      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(ld(mult(a, b), unit), i(b))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit)))),
% 4.67/3.26      inference(modus_ponens,[status(thm)],[761, 760])).
% 4.67/3.26  tff(763,plain,
% 4.67/3.26      ((mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))) | (mult(mult(unit, b), mult(ld(mult(a, b), unit), i(b))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit)))),
% 4.67/3.26      inference(unit_resolution,[status(thm)],[762, 51])).
% 4.67/3.26  tff(764,plain,
% 4.67/3.26      (mult(mult(unit, b), mult(ld(mult(a, b), unit), i(b))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))),
% 4.67/3.26      inference(unit_resolution,[status(thm)],[763, 751])).
% 4.67/3.26  tff(765,plain,
% 4.67/3.26      (mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b)) = mult(unit, i(b))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[474])).
% 4.67/3.26  tff(766,plain,
% 4.67/3.26      (mult(unit, i(b)) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b))),
% 4.67/3.26      inference(symmetry,[status(thm)],[765])).
% 4.67/3.26  tff(767,plain,
% 4.67/3.26      (mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(unit, mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[30])).
% 4.67/3.26  tff(768,plain,
% 4.67/3.26      (mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(i(b), ld(mult(a, b), unit)), b)),
% 4.67/3.26      inference(transitivity,[status(thm)],[767, 337, 335, 322, 321])).
% 4.67/3.26  tff(769,plain,
% 4.67/3.26      (mult(mult(i(b), b), ld(mult(a, b), unit)) = mult(i(b), mult(b, ld(mult(a, b), unit)))),
% 4.67/3.26      inference(symmetry,[status(thm)],[409])).
% 4.67/3.26  tff(770,assumption,(mult(mult(unit, b), mult(ld(mult(a, b), unit), i(b))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))), introduced(assumption)).
% 4.67/3.26  tff(771,plain,
% 4.67/3.26      (b = mult(unit, b)),
% 4.67/3.26      inference(symmetry,[status(thm)],[355])).
% 4.67/3.26  tff(772,plain,
% 4.67/3.26      (mult(b, mult(ld(mult(a, b), unit), i(b))) = mult(mult(unit, b), mult(ld(mult(a, b), unit), i(b)))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[771])).
% 4.67/3.26  tff(773,plain,
% 4.67/3.26      ((~![B: $i, A: $i] : (ld(A, mult(A, B)) = B)) | (ld(mult(a, b), mult(mult(a, b), mult(ld(mult(a, b), unit), i(b)))) = mult(ld(mult(a, b), unit), i(b)))),
% 4.67/3.26      inference(quant_inst,[status(thm)],[])).
% 4.67/3.26  tff(774,plain,
% 4.67/3.26      (ld(mult(a, b), mult(mult(a, b), mult(ld(mult(a, b), unit), i(b)))) = mult(ld(mult(a, b), unit), i(b))),
% 4.67/3.26      inference(unit_resolution,[status(thm)],[773, 251])).
% 4.67/3.26  tff(775,plain,
% 4.67/3.26      (mult(mult(i(b), i(b)), b) = i(b)),
% 4.67/3.26      inference(transitivity,[status(thm)],[197, 384, 122, 353, 43])).
% 4.67/3.26  tff(776,plain,
% 4.67/3.26      (mult(ld(mult(a, b), unit), mult(mult(i(b), i(b)), b)) = mult(ld(mult(a, b), unit), i(b))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[775])).
% 4.67/3.26  tff(777,plain,
% 4.67/3.26      (mult(ld(mult(a, b), unit), i(b)) = mult(ld(mult(a, b), unit), mult(mult(i(b), i(b)), b))),
% 4.67/3.26      inference(symmetry,[status(thm)],[776])).
% 4.67/3.26  tff(778,plain,
% 4.67/3.26      (mult(mult(a, b), mult(ld(mult(a, b), unit), i(b))) = mult(mult(a, b), mult(ld(mult(a, b), unit), mult(mult(i(b), i(b)), b)))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[777])).
% 4.67/3.26  tff(779,plain,
% 4.67/3.26      (mult(mult(a, b), mult(ld(mult(a, b), unit), mult(mult(i(b), i(b)), b))) = mult(mult(a, b), mult(ld(mult(a, b), unit), i(b)))),
% 4.67/3.26      inference(symmetry,[status(thm)],[778])).
% 4.67/3.26  tff(780,assumption,(~(mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b)))), introduced(assumption)).
% 4.67/3.26  tff(781,plain,
% 4.67/3.26      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(ld(mult(a, b), unit), mult(mult(i(b), i(b)), b))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(ld(mult(a, b), unit), mult(mult(i(b), i(b)), b))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))))),
% 4.67/3.26      inference(rewrite,[status(thm)],[])).
% 4.67/3.26  tff(782,plain,
% 4.67/3.26      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(ld(mult(a, b), unit), mult(mult(i(b), i(b)), b))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))))),
% 4.67/3.26      inference(quant_inst,[status(thm)],[])).
% 4.67/3.26  tff(783,plain,
% 4.67/3.26      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(ld(mult(a, b), unit), mult(mult(i(b), i(b)), b))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b)))),
% 4.67/3.26      inference(modus_ponens,[status(thm)],[782, 781])).
% 4.67/3.26  tff(784,plain,
% 4.67/3.26      ((mult(mult(a, b), mult(ld(mult(a, b), unit), mult(mult(i(b), i(b)), b))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b)))),
% 4.67/3.26      inference(unit_resolution,[status(thm)],[783, 51])).
% 4.67/3.26  tff(785,plain,
% 4.67/3.26      (mult(mult(a, b), mult(ld(mult(a, b), unit), mult(mult(i(b), i(b)), b))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))),
% 4.67/3.26      inference(unit_resolution,[status(thm)],[784, 780])).
% 4.67/3.26  tff(786,plain,
% 4.67/3.26      (mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b)) = mult(mult(a, b), mult(ld(mult(a, b), unit), mult(mult(i(b), i(b)), b)))),
% 4.67/3.26      inference(symmetry,[status(thm)],[785])).
% 4.67/3.26  tff(787,plain,
% 4.67/3.26      (mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b)) = mult(unit, mult(mult(i(b), i(b)), b))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[257])).
% 4.67/3.26  tff(788,plain,
% 4.67/3.26      (mult(unit, mult(mult(i(b), i(b)), b)) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))),
% 4.67/3.26      inference(symmetry,[status(thm)],[787])).
% 4.67/3.26  tff(789,plain,
% 4.67/3.26      (mult(mult(unit, b), mult(i(b), i(b))) = mult(unit, mult(mult(i(b), i(b)), b))),
% 4.67/3.26      inference(symmetry,[status(thm)],[384])).
% 4.67/3.26  tff(790,plain,
% 4.67/3.26      (mult(mult(mult(unit, b), i(b)), i(b)) = mult(mult(unit, b), mult(i(b), i(b)))),
% 4.67/3.26      inference(symmetry,[status(thm)],[122])).
% 4.67/3.26  tff(791,plain,
% 4.67/3.26      (mult(unit, i(b)) = mult(mult(mult(unit, b), i(b)), i(b))),
% 4.67/3.26      inference(symmetry,[status(thm)],[353])).
% 4.67/3.26  tff(792,plain,
% 4.67/3.26      (mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(a, mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[232, 336])).
% 4.67/3.26  tff(793,plain,
% 4.67/3.26      (mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b)) = mult(unit, i(b))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[257])).
% 4.67/3.26  tff(794,plain,
% 4.67/3.26      (mult(unit, i(b)) = mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b))),
% 4.67/3.26      inference(symmetry,[status(thm)],[793])).
% 4.67/3.26  tff(795,plain,
% 4.67/3.26      (mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b))),
% 4.67/3.26      inference(transitivity,[status(thm)],[792, 470, 464, 404, 794])).
% 4.67/3.26  tff(796,plain,
% 4.67/3.26      (mult(mult(a, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[743])).
% 4.67/3.26  tff(797,plain,
% 4.67/3.26      ((mult(mult(a, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) <=> (mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b)))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[796, 795])).
% 4.67/3.26  tff(798,plain,
% 4.67/3.26      ((mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b))) <=> (mult(mult(a, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.26      inference(symmetry,[status(thm)],[797])).
% 4.67/3.26  tff(799,plain,
% 4.67/3.26      (mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b)) = mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b))),
% 4.67/3.26      inference(transitivity,[status(thm)],[787, 384, 122, 353, 794])).
% 4.67/3.26  tff(800,plain,
% 4.67/3.26      (mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit)) = mult(i(b), ld(mult(a, b), unit))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[775])).
% 4.67/3.26  tff(801,plain,
% 4.67/3.26      (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[800])).
% 4.67/3.26  tff(802,plain,
% 4.67/3.26      ((mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) <=> (mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b)))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[801, 799])).
% 4.67/3.26  tff(803,plain,
% 4.67/3.26      ((mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) <=> (mult(mult(a, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.26      inference(transitivity,[status(thm)],[802, 798])).
% 4.67/3.26  tff(804,plain,
% 4.67/3.26      ((~(mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b)))) <=> (~(mult(mult(a, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[803])).
% 4.67/3.26  tff(805,plain,
% 4.67/3.26      (~(mult(mult(a, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.26      inference(modus_ponens,[status(thm)],[780, 804])).
% 4.67/3.26  tff(806,plain,
% 4.67/3.26      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.67/3.26      inference(rewrite,[status(thm)],[])).
% 4.67/3.26  tff(807,plain,
% 4.67/3.26      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.67/3.26      inference(quant_inst,[status(thm)],[])).
% 4.67/3.26  tff(808,plain,
% 4.67/3.26      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.26      inference(modus_ponens,[status(thm)],[807, 806])).
% 4.67/3.26  tff(809,plain,
% 4.67/3.26      ((mult(mult(a, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.26      inference(unit_resolution,[status(thm)],[808, 51])).
% 4.67/3.26  tff(810,plain,
% 4.67/3.26      (mult(mult(a, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(a, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.26      inference(unit_resolution,[status(thm)],[809, 805])).
% 4.67/3.26  tff(811,plain,
% 4.67/3.26      (mult(mult(a, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, b), mult(ld(mult(a, b), unit), i(b)))),
% 4.67/3.26      inference(transitivity,[status(thm)],[810, 792, 470, 464, 404, 791, 790, 789, 788, 786, 779])).
% 4.67/3.26  tff(812,plain,
% 4.67/3.26      (ld(mult(a, b), mult(mult(a, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = ld(mult(a, b), mult(mult(a, b), mult(ld(mult(a, b), unit), i(b))))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[811])).
% 4.67/3.26  tff(813,plain,
% 4.67/3.26      ((~![B: $i, A: $i] : (ld(A, mult(A, B)) = B)) | (ld(mult(a, b), mult(mult(a, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.26      inference(quant_inst,[status(thm)],[])).
% 4.67/3.26  tff(814,plain,
% 4.67/3.26      (ld(mult(a, b), mult(mult(a, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.26      inference(unit_resolution,[status(thm)],[813, 251])).
% 4.67/3.26  tff(815,plain,
% 4.67/3.26      (mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = ld(mult(a, b), mult(mult(a, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.67/3.26      inference(symmetry,[status(thm)],[814])).
% 4.67/3.26  tff(816,plain,
% 4.67/3.26      (mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(ld(mult(a, b), unit), i(b))),
% 4.67/3.26      inference(transitivity,[status(thm)],[815, 812, 774])).
% 4.67/3.26  tff(817,plain,
% 4.67/3.26      (mult(b, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(b, mult(ld(mult(a, b), unit), i(b)))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[816])).
% 4.67/3.26  tff(818,plain,
% 4.67/3.26      (mult(b, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(i(b), mult(b, ld(mult(a, b), unit)))),
% 4.67/3.26      inference(transitivity,[status(thm)],[817, 772, 770, 750, 267, 769])).
% 4.67/3.26  tff(819,plain,
% 4.67/3.26      ((mult(b, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) <=> (mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[818, 768])).
% 4.67/3.26  tff(820,plain,
% 4.67/3.26      ((mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b)) <=> (mult(b, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.26      inference(symmetry,[status(thm)],[819])).
% 4.67/3.26  tff(821,plain,
% 4.67/3.26      ((~(mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b))) <=> (~(mult(b, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[820])).
% 4.67/3.26  tff(822,plain,
% 4.67/3.26      ((mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b)) <=> (mult(mult(i(b), b), ld(mult(a, b), unit)) = mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.26      inference(monotonicity,[status(thm)],[409, 336])).
% 4.67/3.26  tff(823,plain,
% 4.67/3.26      ((mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b)) <=> (mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit)))),
% 4.67/3.26      inference(transitivity,[status(thm)],[822, 323])).
% 4.67/3.26  tff(824,plain,
% 4.67/3.26      ((mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit))) <=> (mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.26      inference(symmetry,[status(thm)],[823])).
% 4.67/3.26  tff(825,plain,
% 4.67/3.26      ((~(mult(i(b), mult(ld(mult(a, b), unit), b)) = mult(mult(i(b), b), ld(mult(a, b), unit)))) <=> (~(mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.27      inference(monotonicity,[status(thm)],[824])).
% 4.67/3.27  tff(826,plain,
% 4.67/3.27      (~(mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.27      inference(modus_ponens,[status(thm)],[316, 825])).
% 4.67/3.27  tff(827,plain,
% 4.67/3.27      (~(mult(b, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.27      inference(modus_ponens,[status(thm)],[826, 821])).
% 4.67/3.27  tff(828,plain,
% 4.67/3.27      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(b, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(b, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.67/3.27      inference(rewrite,[status(thm)],[])).
% 4.67/3.27  tff(829,plain,
% 4.67/3.27      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(b, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(b, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.67/3.27      inference(quant_inst,[status(thm)],[])).
% 4.67/3.27  tff(830,plain,
% 4.67/3.27      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(b, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(b, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.27      inference(modus_ponens,[status(thm)],[829, 828])).
% 4.67/3.27  tff(831,plain,
% 4.67/3.27      ((mult(b, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(b, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.67/3.27      inference(unit_resolution,[status(thm)],[830, 51])).
% 4.67/3.27  tff(832,plain,
% 4.67/3.27      (mult(b, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(b, i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.67/3.27      inference(unit_resolution,[status(thm)],[831, 827])).
% 4.67/3.27  tff(833,plain,
% 4.67/3.27      (mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b))) = mult(mult(i(b), ld(mult(a, b), unit)), mult(i(b), b))),
% 4.67/3.27      inference(symmetry,[status(thm)],[606])).
% 4.67/3.27  tff(834,plain,
% 4.67/3.27      (mult(mult(i(b), ld(mult(a, b), unit)), unit) = mult(mult(i(b), ld(mult(a, b), unit)), mult(b, i(b)))),
% 4.67/3.27      inference(symmetry,[status(thm)],[605])).
% 4.67/3.27  tff(835,plain,
% 4.67/3.27      (mult(mult(i(b), unit), ld(mult(a, b), unit)) = mult(i(b), mult(unit, ld(mult(a, b), unit)))),
% 4.67/3.27      inference(symmetry,[status(thm)],[598])).
% 4.67/3.27  tff(836,plain,
% 4.67/3.27      (mult(i(b), ld(mult(a, b), unit)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))),
% 4.67/3.27      inference(transitivity,[status(thm)],[587, 835, 603, 834, 833, 617])).
% 4.67/3.27  tff(837,plain,
% 4.67/3.27      (mult(b, mult(i(b), ld(mult(a, b), unit))) = mult(b, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b)))),
% 4.67/3.27      inference(monotonicity,[status(thm)],[836])).
% 4.67/3.27  tff(838,plain,
% 4.67/3.27      (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(b, mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.27      inference(monotonicity,[status(thm)],[355])).
% 4.67/3.27  tff(839,assumption,(mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))), introduced(assumption)).
% 4.67/3.27  tff(840,plain,
% 4.67/3.27      (mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b)) = mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.27      inference(symmetry,[status(thm)],[839])).
% 4.67/3.27  tff(841,plain,
% 4.67/3.27      (mult(mult(b, ld(mult(a, b), unit)), i(b)) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))),
% 4.67/3.27      inference(monotonicity,[status(thm)],[749])).
% 4.67/3.27  tff(842,plain,
% 4.67/3.27      (mult(mult(b, ld(mult(a, b), unit)), i(b)) = mult(i(b), mult(ld(mult(a, b), unit), b))),
% 4.67/3.27      inference(transitivity,[status(thm)],[841, 840, 838, 837, 832, 767, 337, 335, 322])).
% 4.67/3.27  tff(843,plain,
% 4.67/3.27      (mult(a, mult(mult(b, ld(mult(a, b), unit)), i(b))) = mult(a, mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.67/3.27      inference(monotonicity,[status(thm)],[842])).
% 4.67/3.27  tff(844,plain,
% 4.67/3.27      (mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b)) = mult(mult(b, ld(mult(a, b), unit)), i(b))),
% 4.67/3.27      inference(symmetry,[status(thm)],[841])).
% 4.67/3.27  tff(845,plain,
% 4.67/3.27      (mult(b, mult(i(b), ld(mult(a, b), unit))) = mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit)))),
% 4.67/3.27      inference(symmetry,[status(thm)],[838])).
% 4.67/3.27  tff(846,plain,
% 4.67/3.27      (mult(b, mult(i(b), ld(mult(a, b), unit))) = mult(mult(b, ld(mult(a, b), unit)), i(b))),
% 4.67/3.27      inference(transitivity,[status(thm)],[845, 839, 844])).
% 4.67/3.27  tff(847,plain,
% 4.67/3.27      (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(a, mult(mult(b, ld(mult(a, b), unit)), i(b)))),
% 4.67/3.27      inference(monotonicity,[status(thm)],[846])).
% 4.67/3.27  tff(848,plain,
% 4.67/3.27      ((mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) <=> (mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b)))),
% 4.67/3.27      inference(commutativity,[status(thm)],[])).
% 4.67/3.27  tff(849,plain,
% 4.67/3.27      (mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b))),
% 4.67/3.27      inference(transitivity,[status(thm)],[471, 470, 464, 404, 794])).
% 4.67/3.27  tff(850,plain,
% 4.67/3.27      ((mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) <=> (mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.67/3.27      inference(monotonicity,[status(thm)],[849])).
% 4.67/3.27  tff(851,plain,
% 4.67/3.27      ((mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) <=> (mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b)))),
% 4.67/3.27      inference(transitivity,[status(thm)],[850, 848])).
% 4.67/3.27  tff(852,plain,
% 4.67/3.27      ((mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), i(b))) <=> (mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.67/3.27      inference(symmetry,[status(thm)],[851])).
% 4.67/3.27  tff(853,plain,
% 4.67/3.27      ((mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) <=> (mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.67/3.27      inference(transitivity,[status(thm)],[802, 852])).
% 4.67/3.27  tff(854,plain,
% 4.67/3.27      ((~(mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b)))) <=> (~(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))))),
% 4.67/3.27      inference(monotonicity,[status(thm)],[853])).
% 4.67/3.27  tff(855,plain,
% 4.67/3.27      (~(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.67/3.27      inference(modus_ponens,[status(thm)],[780, 854])).
% 4.67/3.27  tff(856,plain,
% 4.67/3.27      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) | (mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) | (mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))))),
% 4.77/3.27      inference(rewrite,[status(thm)],[])).
% 4.77/3.27  tff(857,plain,
% 4.77/3.27      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) | (mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))))),
% 4.77/3.27      inference(quant_inst,[status(thm)],[])).
% 4.77/3.27  tff(858,plain,
% 4.77/3.27      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) | (mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.77/3.27      inference(modus_ponens,[status(thm)],[857, 856])).
% 4.77/3.27  tff(859,plain,
% 4.77/3.27      ((mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) | (mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.77/3.27      inference(unit_resolution,[status(thm)],[858, 51])).
% 4.77/3.27  tff(860,plain,
% 4.77/3.27      (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))),
% 4.77/3.27      inference(unit_resolution,[status(thm)],[859, 855])).
% 4.77/3.27  tff(861,plain,
% 4.77/3.27      (mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))) = mult(a, mult(b, mult(i(b), ld(mult(a, b), unit))))),
% 4.77/3.27      inference(symmetry,[status(thm)],[860])).
% 4.77/3.27  tff(862,plain,
% 4.77/3.27      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit))))),
% 4.77/3.27      inference(rewrite,[status(thm)],[])).
% 4.77/3.27  tff(863,plain,
% 4.77/3.27      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit))))),
% 4.77/3.27      inference(quant_inst,[status(thm)],[])).
% 4.77/3.27  tff(864,plain,
% 4.77/3.27      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit)))),
% 4.77/3.27      inference(modus_ponens,[status(thm)],[863, 862])).
% 4.77/3.27  tff(865,plain,
% 4.77/3.27      ((mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) | (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit)))),
% 4.77/3.27      inference(unit_resolution,[status(thm)],[864, 132])).
% 4.77/3.27  tff(866,plain,
% 4.77/3.27      (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit))),
% 4.77/3.27      inference(unit_resolution,[status(thm)],[865, 780])).
% 4.77/3.27  tff(867,plain,
% 4.77/3.27      (mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit)) = mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit)))),
% 4.77/3.27      inference(symmetry,[status(thm)],[866])).
% 4.77/3.27  tff(868,plain,
% 4.77/3.27      (mult(mult(a, b), mult(mult(i(b), i(b)), b)) = mult(mult(a, b), i(b))),
% 4.77/3.27      inference(monotonicity,[status(thm)],[775])).
% 4.77/3.27  tff(869,plain,
% 4.77/3.27      (mult(mult(a, b), i(b)) = mult(mult(a, b), mult(mult(i(b), i(b)), b))),
% 4.77/3.27      inference(symmetry,[status(thm)],[868])).
% 4.77/3.27  tff(870,plain,
% 4.77/3.27      (mult(mult(mult(a, b), i(b)), ld(mult(a, b), unit)) = mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit))),
% 4.77/3.27      inference(monotonicity,[status(thm)],[869])).
% 4.77/3.27  tff(871,plain,
% 4.77/3.27      (mult(a, unit) = mult(a, mult(b, i(b)))),
% 4.77/3.27      inference(symmetry,[status(thm)],[31])).
% 4.77/3.27  tff(872,plain,
% 4.77/3.27      (a = mult(a, unit)),
% 4.77/3.27      inference(symmetry,[status(thm)],[10])).
% 4.77/3.27  tff(873,plain,
% 4.77/3.27      (a = mult(mult(a, b), i(b))),
% 4.77/3.27      inference(transitivity,[status(thm)],[872, 871, 230])).
% 4.77/3.27  tff(874,plain,
% 4.77/3.27      (mult(a, ld(mult(a, b), unit)) = mult(mult(mult(a, b), i(b)), ld(mult(a, b), unit))),
% 4.77/3.27      inference(monotonicity,[status(thm)],[873])).
% 4.77/3.27  tff(875,plain,
% 4.77/3.27      (mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(a, ld(mult(a, b), unit))),
% 4.77/3.27      inference(monotonicity,[status(thm)],[304])).
% 4.77/3.27  tff(876,plain,
% 4.77/3.27      (mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b))),
% 4.77/3.27      inference(transitivity,[status(thm)],[875, 874, 870, 867, 801, 861, 847, 843, 470, 464, 404, 766])).
% 4.77/3.27  tff(877,plain,
% 4.77/3.27      ((mult(mult(a, i(b)), i(a)) = mult(a, mult(i(b), i(a)))) <=> (mult(a, mult(i(b), i(a))) = mult(mult(a, i(b)), i(a)))),
% 4.77/3.27      inference(commutativity,[status(thm)],[])).
% 4.77/3.27  tff(878,plain,
% 4.77/3.27      (mult(mult(a, i(a)), i(b)) = mult(a, mult(i(b), i(a)))),
% 4.77/3.27      inference(symmetry,[status(thm)],[464])).
% 4.77/3.27  tff(879,plain,
% 4.77/3.27      (mult(unit, i(b)) = mult(mult(a, i(a)), i(b))),
% 4.77/3.27      inference(symmetry,[status(thm)],[404])).
% 4.77/3.27  tff(880,plain,
% 4.77/3.27      (mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b)) = mult(a, mult(i(b), i(a)))),
% 4.77/3.27      inference(transitivity,[status(thm)],[765, 879, 878])).
% 4.77/3.27  tff(881,plain,
% 4.77/3.27      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a))))),
% 4.77/3.27      inference(rewrite,[status(thm)],[])).
% 4.77/3.27  tff(882,plain,
% 4.77/3.27      (((mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b)))) <=> ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a))))),
% 4.77/3.27      inference(rewrite,[status(thm)],[])).
% 4.77/3.27  tff(883,plain,
% 4.77/3.27      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a)))))),
% 4.77/3.27      inference(monotonicity,[status(thm)],[882])).
% 4.77/3.27  tff(884,plain,
% 4.77/3.27      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a))))),
% 4.77/3.27      inference(transitivity,[status(thm)],[883, 881])).
% 4.77/3.27  tff(885,plain,
% 4.77/3.27      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))))),
% 4.77/3.28      inference(quant_inst,[status(thm)],[])).
% 4.77/3.28  tff(886,plain,
% 4.77/3.28      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a)))),
% 4.77/3.28      inference(modus_ponens,[status(thm)],[885, 884])).
% 4.77/3.28  tff(887,plain,
% 4.77/3.28      ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) | (mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a)))),
% 4.77/3.28      inference(unit_resolution,[status(thm)],[886, 132])).
% 4.77/3.28  tff(888,plain,
% 4.77/3.28      (mult(a, mult(i(a), i(b))) = mult(mult(a, i(b)), i(a))),
% 4.77/3.28      inference(unit_resolution,[status(thm)],[887, 459])).
% 4.77/3.28  tff(889,plain,
% 4.77/3.28      (mult(i(a), i(b)) = mult(mult(ld(mult(a, b), unit), b), i(b))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[467])).
% 4.77/3.28  tff(890,plain,
% 4.77/3.28      (mult(i(a), i(b)) = ld(mult(a, b), unit)),
% 4.77/3.28      inference(transitivity,[status(thm)],[889, 303, 300, 280])).
% 4.77/3.28  tff(891,plain,
% 4.77/3.28      (mult(a, mult(i(a), i(b))) = mult(a, ld(mult(a, b), unit))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[890])).
% 4.77/3.28  tff(892,plain,
% 4.77/3.28      (mult(a, ld(mult(a, b), unit)) = mult(a, mult(i(a), i(b)))),
% 4.77/3.28      inference(symmetry,[status(thm)],[891])).
% 4.77/3.28  tff(893,plain,
% 4.77/3.28      (mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, i(b)), i(a))),
% 4.77/3.28      inference(transitivity,[status(thm)],[875, 892, 888])).
% 4.77/3.28  tff(894,plain,
% 4.77/3.28      ((mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b))) <=> (mult(mult(a, i(b)), i(a)) = mult(a, mult(i(b), i(a))))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[893, 880])).
% 4.77/3.28  tff(895,plain,
% 4.77/3.28      ((mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b))) <=> (mult(a, mult(i(b), i(a))) = mult(mult(a, i(b)), i(a)))),
% 4.77/3.28      inference(transitivity,[status(thm)],[894, 877])).
% 4.77/3.28  tff(896,plain,
% 4.77/3.28      ((mult(a, mult(i(b), i(a))) = mult(mult(a, i(b)), i(a))) <=> (mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b)))),
% 4.77/3.28      inference(symmetry,[status(thm)],[895])).
% 4.77/3.28  tff(897,plain,
% 4.77/3.28      ((~(mult(a, mult(i(b), i(a))) = mult(mult(a, i(b)), i(a)))) <=> (~(mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b))))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[896])).
% 4.77/3.28  tff(898,plain,
% 4.77/3.28      ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) <=> (mult(mult(a, i(b)), i(a)) = mult(a, mult(i(b), i(a))))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[888, 878])).
% 4.77/3.28  tff(899,plain,
% 4.77/3.28      ((mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b))) <=> (mult(a, mult(i(b), i(a))) = mult(mult(a, i(b)), i(a)))),
% 4.77/3.28      inference(transitivity,[status(thm)],[898, 877])).
% 4.77/3.28  tff(900,plain,
% 4.77/3.28      ((~(mult(a, mult(i(a), i(b))) = mult(mult(a, i(a)), i(b)))) <=> (~(mult(a, mult(i(b), i(a))) = mult(mult(a, i(b)), i(a))))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[899])).
% 4.77/3.28  tff(901,plain,
% 4.77/3.28      (~(mult(a, mult(i(b), i(a))) = mult(mult(a, i(b)), i(a)))),
% 4.77/3.28      inference(modus_ponens,[status(thm)],[459, 900])).
% 4.77/3.28  tff(902,plain,
% 4.77/3.28      (~(mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b)))),
% 4.77/3.28      inference(modus_ponens,[status(thm)],[901, 897])).
% 4.77/3.28  tff(903,plain,
% 4.77/3.28      ($false),
% 4.77/3.28      inference(unit_resolution,[status(thm)],[902, 876])).
% 4.77/3.28  tff(904,plain,((mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))) | (~(mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b)))) | (~(mult(mult(unit, b), mult(ld(mult(a, b), unit), i(b))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))))), inference(lemma,lemma(discharge,[]))).
% 4.77/3.28  tff(905,plain,
% 4.77/3.28      (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))),
% 4.77/3.28      inference(unit_resolution,[status(thm)],[904, 759, 764])).
% 4.77/3.28  tff(906,plain,
% 4.77/3.28      ((~![B: $i, A: $i] : (ld(A, mult(A, B)) = B)) | (ld(mult(a, b), mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.77/3.28      inference(quant_inst,[status(thm)],[])).
% 4.77/3.28  tff(907,plain,
% 4.77/3.28      (ld(mult(a, b), mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(i(b), ld(mult(a, b), unit)), b)),
% 4.77/3.28      inference(unit_resolution,[status(thm)],[906, 251])).
% 4.77/3.28  tff(908,assumption,(mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))), introduced(assumption)).
% 4.77/3.28  tff(909,plain,
% 4.77/3.28      (mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[336])).
% 4.77/3.28  tff(910,plain,
% 4.77/3.28      (mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = unit),
% 4.77/3.28      inference(transitivity,[status(thm)],[909, 908, 233, 429, 257])).
% 4.77/3.28  tff(911,plain,
% 4.77/3.28      (ld(mult(a, b), mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = ld(mult(a, b), unit)),
% 4.77/3.28      inference(monotonicity,[status(thm)],[910])).
% 4.77/3.28  tff(912,plain,
% 4.77/3.28      (ld(mult(a, b), unit) = ld(mult(a, b), mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.77/3.28      inference(symmetry,[status(thm)],[911])).
% 4.77/3.28  tff(913,plain,
% 4.77/3.28      (mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b)),
% 4.77/3.28      inference(transitivity,[status(thm)],[409, 237, 235, 912, 907])).
% 4.77/3.28  tff(914,plain,
% 4.77/3.28      ($false),
% 4.77/3.28      inference(unit_resolution,[status(thm)],[826, 913])).
% 4.77/3.28  tff(915,plain,(~(mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)))), inference(lemma,lemma(discharge,[]))).
% 4.77/3.28  tff(916,plain,
% 4.77/3.28      (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))),
% 4.77/3.28      inference(symmetry,[status(thm)],[233])).
% 4.77/3.28  tff(917,assumption,(mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))), introduced(assumption)).
% 4.77/3.28  tff(918,plain,
% 4.77/3.28      (mult(i(b), ld(mult(a, b), unit)) = mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))),
% 4.77/3.28      inference(symmetry,[status(thm)],[800])).
% 4.77/3.28  tff(919,plain,
% 4.77/3.28      (mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit)))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[918])).
% 4.77/3.28  tff(920,plain,
% 4.77/3.28      (mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))) = i(b)),
% 4.77/3.28      inference(transitivity,[status(thm)],[919, 917, 787, 384, 122, 353, 43])).
% 4.77/3.28  tff(921,plain,
% 4.77/3.28      (mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b) = mult(i(b), b)),
% 4.77/3.28      inference(monotonicity,[status(thm)],[920])).
% 4.77/3.28  tff(922,plain,
% 4.77/3.28      (mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))),
% 4.77/3.28      inference(transitivity,[status(thm)],[921, 218, 213, 60, 19, 258, 431, 916])).
% 4.77/3.28  tff(923,plain,
% 4.77/3.28      ((mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)) <=> (mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[909, 922])).
% 4.77/3.28  tff(924,plain,
% 4.77/3.28      ((mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b))) <=> (mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b))),
% 4.77/3.28      inference(symmetry,[status(thm)],[923])).
% 4.77/3.28  tff(925,plain,
% 4.77/3.28      ((~(mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)))) <=> (~(mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[924])).
% 4.77/3.28  tff(926,assumption,(~(mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)))), introduced(assumption)).
% 4.77/3.28  tff(927,plain,
% 4.77/3.28      (~(mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b))),
% 4.77/3.28      inference(modus_ponens,[status(thm)],[926, 925])).
% 4.77/3.28  tff(928,plain,
% 4.77/3.28      (mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b) = mult(a, mult(ld(mult(a, b), unit), b))),
% 4.77/3.28      inference(transitivity,[status(thm)],[921, 218, 213, 60, 19, 258, 431])).
% 4.77/3.28  tff(929,plain,
% 4.77/3.28      (mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit))) = mult(a, mult(b, ld(mult(a, b), unit)))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[232])).
% 4.77/3.28  tff(930,plain,
% 4.77/3.28      (mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit))) = mult(mult(a, ld(mult(a, b), unit)), b)),
% 4.77/3.28      inference(transitivity,[status(thm)],[929, 439])).
% 4.77/3.28  tff(931,plain,
% 4.77/3.28      (mult(i(b), mult(b, ld(mult(a, b), unit))) = ld(mult(a, b), unit)),
% 4.77/3.28      inference(transitivity,[status(thm)],[409, 237, 235])).
% 4.77/3.28  tff(932,plain,
% 4.77/3.28      (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(a, b), ld(mult(a, b), unit))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[931])).
% 4.77/3.28  tff(933,plain,
% 4.77/3.28      (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(a, mult(ld(mult(a, b), unit), b))),
% 4.77/3.28      inference(transitivity,[status(thm)],[932, 431])).
% 4.77/3.28  tff(934,plain,
% 4.77/3.28      ((mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))) <=> (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[933, 930])).
% 4.77/3.28  tff(935,plain,
% 4.77/3.28      ((mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b)) <=> (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit))))),
% 4.77/3.28      inference(symmetry,[status(thm)],[934])).
% 4.77/3.28  tff(936,plain,
% 4.77/3.28      ((~(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b))) <=> (~(mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[935])).
% 4.77/3.28  tff(937,plain,
% 4.77/3.28      (~(mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit))))),
% 4.77/3.28      inference(modus_ponens,[status(thm)],[443, 936])).
% 4.77/3.28  tff(938,plain,
% 4.77/3.28      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))))),
% 4.77/3.28      inference(rewrite,[status(thm)],[])).
% 4.77/3.28  tff(939,plain,
% 4.77/3.28      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))))),
% 4.77/3.28      inference(quant_inst,[status(thm)],[])).
% 4.77/3.28  tff(940,plain,
% 4.77/3.28      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit))))),
% 4.77/3.28      inference(modus_ponens,[status(thm)],[939, 938])).
% 4.77/3.28  tff(941,plain,
% 4.77/3.28      ((mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit))))),
% 4.77/3.28      inference(unit_resolution,[status(thm)],[940, 51])).
% 4.77/3.28  tff(942,plain,
% 4.77/3.28      (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))),
% 4.77/3.28      inference(unit_resolution,[status(thm)],[941, 937])).
% 4.77/3.28  tff(943,plain,
% 4.77/3.28      (mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b)) = mult(mult(b, ld(mult(a, b), unit)), i(b))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[748])).
% 4.77/3.28  tff(944,plain,
% 4.77/3.28      (mult(b, mult(i(b), ld(mult(a, b), unit))) = mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit)))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[771])).
% 4.77/3.28  tff(945,plain,
% 4.77/3.28      (mult(b, mult(i(b), ld(mult(a, b), unit))) = mult(mult(b, ld(mult(a, b), unit)), i(b))),
% 4.77/3.28      inference(transitivity,[status(thm)],[944, 839, 943])).
% 4.77/3.28  tff(946,plain,
% 4.77/3.28      (mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b)))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[945])).
% 4.77/3.28  tff(947,plain,
% 4.77/3.28      (mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, ld(mult(a, b), unit)), b)),
% 4.77/3.28      inference(transitivity,[status(thm)],[946, 942, 929, 439])).
% 4.77/3.28  tff(948,plain,
% 4.77/3.28      ((mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)) <=> (mult(mult(a, ld(mult(a, b), unit)), b) = mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[947, 928])).
% 4.77/3.28  tff(949,plain,
% 4.77/3.28      ((mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)) <=> (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b))),
% 4.77/3.28      inference(transitivity,[status(thm)],[948, 430])).
% 4.77/3.28  tff(950,plain,
% 4.77/3.28      ((mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b)) <=> (mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b))),
% 4.77/3.28      inference(symmetry,[status(thm)],[949])).
% 4.77/3.28  tff(951,plain,
% 4.77/3.28      ((~(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b))) <=> (~(mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)))),
% 4.77/3.28      inference(monotonicity,[status(thm)],[950])).
% 4.77/3.28  tff(952,plain,
% 4.77/3.28      (~(mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b))),
% 4.77/3.28      inference(modus_ponens,[status(thm)],[443, 951])).
% 4.77/3.28  tff(953,plain,
% 4.77/3.28      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)) | (mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)) | (mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)))),
% 4.77/3.28      inference(rewrite,[status(thm)],[])).
% 4.77/3.28  tff(954,plain,
% 4.77/3.28      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)) | (mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)))),
% 4.77/3.28      inference(quant_inst,[status(thm)],[])).
% 4.77/3.29  tff(955,plain,
% 4.77/3.29      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)) | (mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b))),
% 4.77/3.29      inference(modus_ponens,[status(thm)],[954, 953])).
% 4.77/3.29  tff(956,plain,
% 4.77/3.29      ((mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)) | (mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b))),
% 4.77/3.29      inference(unit_resolution,[status(thm)],[955, 51])).
% 4.77/3.29  tff(957,plain,
% 4.77/3.29      ($false),
% 4.77/3.29      inference(unit_resolution,[status(thm)],[956, 952, 927])).
% 4.77/3.29  tff(958,plain,((~(mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b)))) | (~(mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b)))) | (mult(mult(a, b), mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(a, b), i(b)), mult(ld(mult(a, b), unit), b)))), inference(lemma,lemma(discharge,[]))).
% 4.77/3.29  tff(959,plain,
% 4.77/3.29      ((~(mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b)))) | (~(mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), ld(mult(a, b), unit)), i(b))))),
% 4.77/3.29      inference(unit_resolution,[status(thm)],[958, 915])).
% 4.77/3.29  tff(960,plain,
% 4.77/3.29      ($false),
% 4.77/3.29      inference(unit_resolution,[status(thm)],[959, 905, 759])).
% 4.77/3.29  tff(961,plain,(mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))), inference(lemma,lemma(discharge,[]))).
% 4.77/3.29  tff(962,plain,
% 4.77/3.29      (mult(b, mult(i(b), ld(mult(a, b), unit))) = ld(mult(a, b), unit)),
% 4.77/3.29      inference(transitivity,[status(thm)],[944, 961, 750, 235])).
% 4.77/3.29  tff(963,plain,
% 4.77/3.29      (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(b, ld(mult(a, b), unit))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[962])).
% 4.77/3.29  tff(964,plain,
% 4.77/3.29      ((mult(mult(unit, b), ld(mult(a, b), unit)) = mult(unit, mult(ld(mult(a, b), unit), b))) <=> (mult(unit, mult(ld(mult(a, b), unit), b)) = mult(mult(unit, b), ld(mult(a, b), unit)))),
% 4.77/3.29      inference(commutativity,[status(thm)],[])).
% 4.77/3.29  tff(965,plain,
% 4.77/3.29      (mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b) = mult(ld(mult(a, b), unit), b)),
% 4.77/3.29      inference(monotonicity,[status(thm)],[962])).
% 4.77/3.29  tff(966,plain,
% 4.77/3.29      (mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b) = mult(unit, mult(ld(mult(a, b), unit), b))),
% 4.77/3.29      inference(transitivity,[status(thm)],[965, 522])).
% 4.77/3.29  tff(967,plain,
% 4.77/3.29      (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(unit, b), ld(mult(a, b), unit))),
% 4.77/3.29      inference(transitivity,[status(thm)],[963, 749])).
% 4.77/3.29  tff(968,plain,
% 4.77/3.29      ((mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b)) <=> (mult(mult(unit, b), ld(mult(a, b), unit)) = mult(unit, mult(ld(mult(a, b), unit), b)))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[967, 966])).
% 4.77/3.29  tff(969,plain,
% 4.77/3.29      ((mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b)) <=> (mult(unit, mult(ld(mult(a, b), unit), b)) = mult(mult(unit, b), ld(mult(a, b), unit)))),
% 4.77/3.29      inference(transitivity,[status(thm)],[968, 964])).
% 4.77/3.29  tff(970,plain,
% 4.77/3.29      ((mult(unit, mult(ld(mult(a, b), unit), b)) = mult(mult(unit, b), ld(mult(a, b), unit))) <=> (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b))),
% 4.77/3.29      inference(symmetry,[status(thm)],[969])).
% 4.77/3.29  tff(971,plain,
% 4.77/3.29      (mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(b, ld(mult(a, b), unit))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[304])).
% 4.77/3.29  tff(972,plain,
% 4.77/3.29      (mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(unit, b), ld(mult(a, b), unit))),
% 4.77/3.29      inference(transitivity,[status(thm)],[971, 749])).
% 4.77/3.29  tff(973,plain,
% 4.77/3.29      ((mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))) <=> (mult(mult(unit, b), ld(mult(a, b), unit)) = mult(unit, mult(ld(mult(a, b), unit), b)))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[972, 672])).
% 4.77/3.29  tff(974,plain,
% 4.77/3.29      ((mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))) <=> (mult(unit, mult(ld(mult(a, b), unit), b)) = mult(mult(unit, b), ld(mult(a, b), unit)))),
% 4.77/3.29      inference(transitivity,[status(thm)],[973, 964])).
% 4.77/3.29  tff(975,plain,
% 4.77/3.29      ((mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))) <=> (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b))),
% 4.77/3.29      inference(transitivity,[status(thm)],[974, 970])).
% 4.77/3.29  tff(976,plain,
% 4.77/3.29      ((~(mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b)))) <=> (~(mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b)))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[975])).
% 4.77/3.29  tff(977,plain,
% 4.77/3.29      (~(mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b))),
% 4.77/3.29      inference(modus_ponens,[status(thm)],[681, 976])).
% 4.77/3.29  tff(978,plain,
% 4.77/3.29      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b)) | (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit)))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b)) | (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit)))))),
% 4.77/3.29      inference(rewrite,[status(thm)],[])).
% 4.77/3.29  tff(979,plain,
% 4.77/3.29      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b)) | (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit)))))),
% 4.77/3.29      inference(quant_inst,[status(thm)],[])).
% 4.77/3.29  tff(980,plain,
% 4.77/3.29      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b)) | (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.77/3.29      inference(modus_ponens,[status(thm)],[979, 978])).
% 4.77/3.29  tff(981,plain,
% 4.77/3.29      ((mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, mult(i(b), ld(mult(a, b), unit))), b)) | (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.77/3.29      inference(unit_resolution,[status(thm)],[980, 132])).
% 4.77/3.29  tff(982,plain,
% 4.77/3.29      (mult(b, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit)))),
% 4.77/3.29      inference(unit_resolution,[status(thm)],[981, 977])).
% 4.77/3.29  tff(983,plain,
% 4.77/3.29      (mult(mult(b, b), mult(i(b), ld(mult(a, b), unit))) = mult(b, mult(b, mult(i(b), ld(mult(a, b), unit))))),
% 4.77/3.29      inference(symmetry,[status(thm)],[982])).
% 4.77/3.29  tff(984,plain,
% 4.77/3.29      (mult(mult(b, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(unit, b), ld(mult(a, b), unit))),
% 4.77/3.29      inference(transitivity,[status(thm)],[983, 963, 749])).
% 4.77/3.29  tff(985,plain,
% 4.77/3.29      (mult(b, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(unit, mult(ld(mult(a, b), unit), b))),
% 4.77/3.29      inference(transitivity,[status(thm)],[740, 686, 672])).
% 4.77/3.29  tff(986,plain,
% 4.77/3.29      ((mult(b, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit)))) <=> (mult(unit, mult(ld(mult(a, b), unit), b)) = mult(mult(unit, b), ld(mult(a, b), unit)))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[985, 984])).
% 4.77/3.29  tff(987,plain,
% 4.77/3.29      ((mult(unit, mult(ld(mult(a, b), unit), b)) = mult(mult(unit, b), ld(mult(a, b), unit))) <=> (mult(b, mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(b, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.77/3.29      inference(symmetry,[status(thm)],[986])).
% 4.77/3.29  tff(988,plain,
% 4.77/3.29      ((mult(unit, mult(ld(mult(a, b), unit), b)) = mult(mult(unit, b), ld(mult(a, b), unit))) <=> (mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.77/3.29      inference(transitivity,[status(thm)],[987, 747])).
% 4.77/3.29  tff(989,plain,
% 4.77/3.29      ((~(mult(unit, mult(ld(mult(a, b), unit), b)) = mult(mult(unit, b), ld(mult(a, b), unit)))) <=> (~(mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[988])).
% 4.77/3.29  tff(990,plain,
% 4.77/3.29      ((~(mult(b, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b)))) <=> (~(mult(unit, mult(ld(mult(a, b), unit), b)) = mult(mult(unit, b), ld(mult(a, b), unit))))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[974])).
% 4.77/3.29  tff(991,plain,
% 4.77/3.29      (~(mult(unit, mult(ld(mult(a, b), unit), b)) = mult(mult(unit, b), ld(mult(a, b), unit)))),
% 4.77/3.29      inference(modus_ponens,[status(thm)],[681, 990])).
% 4.77/3.29  tff(992,plain,
% 4.77/3.29      (~(mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.77/3.29      inference(modus_ponens,[status(thm)],[991, 989])).
% 4.77/3.29  tff(993,plain,
% 4.77/3.29      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.77/3.29      inference(rewrite,[status(thm)],[])).
% 4.77/3.29  tff(994,plain,
% 4.77/3.29      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.77/3.29      inference(quant_inst,[status(thm)],[])).
% 4.77/3.29  tff(995,plain,
% 4.77/3.29      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.77/3.29      inference(modus_ponens,[status(thm)],[994, 993])).
% 4.77/3.29  tff(996,plain,
% 4.77/3.29      ((mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(b, b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.77/3.29      inference(unit_resolution,[status(thm)],[995, 51])).
% 4.77/3.29  tff(997,plain,
% 4.77/3.29      (mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.77/3.29      inference(unit_resolution,[status(thm)],[996, 992])).
% 4.77/3.29  tff(998,plain,
% 4.77/3.29      (mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(ld(mult(a, b), unit), b)),
% 4.77/3.29      inference(transitivity,[status(thm)],[997, 738, 686, 672, 495])).
% 4.77/3.29  tff(999,plain,
% 4.77/3.29      (mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a) = mult(mult(ld(mult(a, b), unit), b), a)),
% 4.77/3.29      inference(monotonicity,[status(thm)],[998])).
% 4.77/3.29  tff(1000,plain,
% 4.77/3.29      (mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a) = mult(mult(unit, mult(ld(mult(a, b), unit), b)), a)),
% 4.77/3.29      inference(transitivity,[status(thm)],[999, 671])).
% 4.77/3.29  tff(1001,plain,
% 4.77/3.29      (mult(unit, mult(a, mult(ld(mult(a, b), unit), b))) = mult(unit, unit)),
% 4.77/3.29      inference(monotonicity,[status(thm)],[474])).
% 4.77/3.29  tff(1002,plain,
% 4.77/3.29      (mult(unit, unit) = mult(unit, mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.77/3.29      inference(symmetry,[status(thm)],[1001])).
% 4.77/3.29  tff(1003,plain,
% 4.77/3.29      (unit = mult(unit, unit)),
% 4.77/3.29      inference(symmetry,[status(thm)],[69])).
% 4.77/3.29  tff(1004,plain,
% 4.77/3.29      (mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(unit, mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.77/3.29      inference(transitivity,[status(thm)],[669, 399, 386, 19, 1003, 1002])).
% 4.77/3.29  tff(1005,plain,
% 4.77/3.29      ((mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)) <=> (mult(unit, mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(unit, mult(ld(mult(a, b), unit), b)), a))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[1004, 1000])).
% 4.77/3.29  tff(1006,plain,
% 4.77/3.29      ((mult(unit, mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(unit, mult(ld(mult(a, b), unit), b)), a)) <=> (mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a))),
% 4.77/3.29      inference(symmetry,[status(thm)],[1005])).
% 4.77/3.29  tff(1007,plain,
% 4.77/3.29      (mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b)) = mult(i(b), i(b))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[472])).
% 4.77/3.29  tff(1008,assumption,(mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))), introduced(assumption)).
% 4.77/3.29  tff(1009,plain,
% 4.77/3.29      (mult(a, mult(i(b), ld(mult(a, b), unit))) = mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b)))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[836])).
% 4.77/3.29  tff(1010,plain,
% 4.77/3.29      (mult(a, mult(i(b), ld(mult(a, b), unit))) = mult(i(b), i(b))),
% 4.77/3.29      inference(transitivity,[status(thm)],[1009, 1008, 1007])).
% 4.77/3.29  tff(1011,plain,
% 4.77/3.29      (mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b) = mult(mult(i(b), i(b)), b)),
% 4.77/3.29      inference(monotonicity,[status(thm)],[1010])).
% 4.77/3.29  tff(1012,plain,
% 4.77/3.29      ((~![B: $i, A: $i] : (ld(A, mult(A, B)) = B)) | (ld(mult(a, i(b)), mult(mult(a, i(b)), mult(ld(mult(a, b), unit), b))) = mult(ld(mult(a, b), unit), b))),
% 4.77/3.29      inference(quant_inst,[status(thm)],[])).
% 4.77/3.29  tff(1013,plain,
% 4.77/3.29      (ld(mult(a, i(b)), mult(mult(a, i(b)), mult(ld(mult(a, b), unit), b))) = mult(ld(mult(a, b), unit), b)),
% 4.77/3.29      inference(unit_resolution,[status(thm)],[1012, 251])).
% 4.77/3.29  tff(1014,plain,
% 4.77/3.29      (mult(mult(a, i(b)), mult(ld(mult(a, b), unit), b)) = mult(mult(a, i(b)), i(a))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[528])).
% 4.77/3.29  tff(1015,plain,
% 4.77/3.29      (mult(mult(a, i(b)), i(a)) = mult(mult(a, i(b)), mult(ld(mult(a, b), unit), b))),
% 4.77/3.29      inference(symmetry,[status(thm)],[1014])).
% 4.77/3.29  tff(1016,plain,
% 4.77/3.29      (mult(mult(mult(a, b), i(b)), ld(mult(a, b), unit)) = mult(a, ld(mult(a, b), unit))),
% 4.77/3.29      inference(symmetry,[status(thm)],[874])).
% 4.77/3.29  tff(1017,plain,
% 4.77/3.29      (mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit)) = mult(mult(mult(a, b), i(b)), ld(mult(a, b), unit))),
% 4.77/3.29      inference(monotonicity,[status(thm)],[868])).
% 4.77/3.29  tff(1018,assumption,(mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit))), introduced(assumption)).
% 4.77/3.29  tff(1019,plain,
% 4.77/3.29      (mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))) = mult(a, ld(mult(a, b), unit))),
% 4.80/3.30      inference(transitivity,[status(thm)],[919, 1018, 1017, 1016])).
% 4.80/3.30  tff(1020,plain,
% 4.80/3.30      (mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b) = mult(mult(a, ld(mult(a, b), unit)), b)),
% 4.80/3.30      inference(monotonicity,[status(thm)],[1019])).
% 4.80/3.30  tff(1021,assumption,(mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))), introduced(assumption)).
% 4.80/3.30  tff(1022,plain,
% 4.80/3.30      (mult(b, mult(i(b), ld(mult(a, b), unit))) = ld(mult(a, b), unit)),
% 4.80/3.30      inference(transitivity,[status(thm)],[944, 1021, 750, 235])).
% 4.80/3.30  tff(1023,plain,
% 4.80/3.30      (mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), ld(mult(a, b), unit))),
% 4.80/3.30      inference(monotonicity,[status(thm)],[1022])).
% 4.80/3.30  tff(1024,plain,
% 4.80/3.30      (mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(a, mult(ld(mult(a, b), unit), b))),
% 4.80/3.30      inference(transitivity,[status(thm)],[1023, 431])).
% 4.80/3.30  tff(1025,plain,
% 4.80/3.30      ((mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)) <=> (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b))),
% 4.80/3.30      inference(monotonicity,[status(thm)],[1024, 1020])).
% 4.80/3.30  tff(1026,plain,
% 4.80/3.30      ((mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b)) <=> (mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b))),
% 4.80/3.30      inference(symmetry,[status(thm)],[1025])).
% 4.80/3.30  tff(1027,plain,
% 4.80/3.30      ((~(mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b))) <=> (~(mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)))),
% 4.80/3.30      inference(monotonicity,[status(thm)],[1026])).
% 4.80/3.30  tff(1028,plain,
% 4.80/3.30      (~(mult(mult(a, b), mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b))),
% 4.80/3.30      inference(modus_ponens,[status(thm)],[443, 1027])).
% 4.80/3.30  tff(1029,plain,
% 4.80/3.30      (mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)),
% 4.80/3.30      inference(unit_resolution,[status(thm)],[956, 1028])).
% 4.80/3.30  tff(1030,plain,
% 4.80/3.30      (mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b) = mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.80/3.30      inference(symmetry,[status(thm)],[1029])).
% 4.80/3.30  tff(1031,plain,
% 4.80/3.30      (mult(mult(a, ld(mult(a, b), unit)), b) = mult(mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))), b)),
% 4.80/3.30      inference(symmetry,[status(thm)],[1020])).
% 4.80/3.30  tff(1032,plain,
% 4.80/3.30      (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b))) = mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.80/3.30      inference(transitivity,[status(thm)],[942, 929, 439, 1031, 1030])).
% 4.80/3.30  tff(1033,plain,
% 4.80/3.30      (ld(mult(a, b), mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b)))) = ld(mult(a, b), mult(mult(a, b), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.80/3.30      inference(monotonicity,[status(thm)],[1032])).
% 4.80/3.30  tff(1034,plain,
% 4.80/3.30      ((~![B: $i, A: $i] : (ld(A, mult(A, B)) = B)) | (ld(mult(a, b), mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b)))) = mult(mult(b, ld(mult(a, b), unit)), i(b)))),
% 4.80/3.30      inference(quant_inst,[status(thm)],[])).
% 4.80/3.30  tff(1035,plain,
% 4.80/3.30      (ld(mult(a, b), mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b)))) = mult(mult(b, ld(mult(a, b), unit)), i(b))),
% 4.80/3.30      inference(unit_resolution,[status(thm)],[1034, 251])).
% 4.80/3.30  tff(1036,plain,
% 4.80/3.30      (mult(mult(b, ld(mult(a, b), unit)), i(b)) = ld(mult(a, b), mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), i(b))))),
% 4.80/3.30      inference(symmetry,[status(thm)],[1035])).
% 4.80/3.30  tff(1037,plain,
% 4.80/3.30      (mult(mult(b, ld(mult(a, b), unit)), i(b)) = mult(mult(i(b), ld(mult(a, b), unit)), b)),
% 4.80/3.30      inference(transitivity,[status(thm)],[1036, 1033, 907])).
% 4.80/3.30  tff(1038,plain,
% 4.80/3.30      (mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b)) = mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))),
% 4.80/3.30      inference(monotonicity,[status(thm)],[1037])).
% 4.80/3.30  tff(1039,plain,
% 4.80/3.30      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b))))),
% 4.80/3.30      inference(rewrite,[status(thm)],[])).
% 4.80/3.30  tff(1040,plain,
% 4.80/3.30      (((mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b))) | (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b)))) <=> (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b)))),
% 4.80/3.30      inference(rewrite,[status(thm)],[])).
% 4.80/3.30  tff(1041,plain,
% 4.80/3.30      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b))) | (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b))))),
% 4.80/3.30      inference(monotonicity,[status(thm)],[1040])).
% 4.80/3.30  tff(1042,plain,
% 4.80/3.30      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b))) | (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b))))),
% 4.80/3.30      inference(transitivity,[status(thm)],[1041, 1039])).
% 4.80/3.30  tff(1043,plain,
% 4.80/3.30      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b))) | (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b))))),
% 4.80/3.30      inference(quant_inst,[status(thm)],[])).
% 4.80/3.30  tff(1044,plain,
% 4.80/3.30      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b)))),
% 4.80/3.30      inference(modus_ponens,[status(thm)],[1043, 1042])).
% 4.80/3.30  tff(1045,plain,
% 4.80/3.30      (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(mult(mult(b, ld(mult(a, b), unit)), i(b)), i(b))),
% 4.80/3.30      inference(unit_resolution,[status(thm)],[1044, 51])).
% 4.80/3.30  tff(1046,plain,
% 4.80/3.30      (mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))) = mult(i(b), ld(mult(a, b), unit))),
% 4.80/3.30      inference(transitivity,[status(thm)],[1045, 1038, 618, 606, 605, 604, 598, 586])).
% 4.80/3.30  tff(1047,plain,
% 4.80/3.30      (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))),
% 4.80/3.30      inference(monotonicity,[status(thm)],[1046])).
% 4.80/3.30  tff(1048,plain,
% 4.80/3.30      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b))) | (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b))) | (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))))),
% 4.80/3.30      inference(rewrite,[status(thm)],[])).
% 4.80/3.30  tff(1049,plain,
% 4.80/3.30      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b))) | (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit)))))),
% 4.80/3.30      inference(quant_inst,[status(thm)],[])).
% 4.80/3.30  tff(1050,plain,
% 4.80/3.30      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b))) | (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit))))),
% 4.80/3.30      inference(modus_ponens,[status(thm)],[1049, 1048])).
% 4.80/3.30  tff(1051,plain,
% 4.80/3.30      ((mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b))) | (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), i(b)), mult(b, ld(mult(a, b), unit))))),
% 4.80/3.30      inference(unit_resolution,[status(thm)],[1050, 132])).
% 4.80/3.30  tff(1052,plain,
% 4.80/3.30      (mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b))),
% 4.80/3.30      inference(unit_resolution,[status(thm)],[1051, 937])).
% 4.80/3.30  tff(1053,plain,
% 4.80/3.30      (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)) = mult(mult(a, b), mult(i(b), mult(b, ld(mult(a, b), unit))))),
% 4.80/3.30      inference(symmetry,[status(thm)],[1052])).
% 4.80/3.30  tff(1054,plain,
% 4.80/3.30      (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)) = unit),
% 4.80/3.30      inference(transitivity,[status(thm)],[1053, 932, 257])).
% 4.80/3.30  tff(1055,plain,
% 4.80/3.30      (mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b)) = mult(unit, i(b))),
% 4.80/3.30      inference(monotonicity,[status(thm)],[1054])).
% 4.80/3.30  tff(1056,plain,
% 4.80/3.30      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b))))),
% 4.80/3.30      inference(rewrite,[status(thm)],[])).
% 4.80/3.30  tff(1057,plain,
% 4.80/3.30      (((mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b))) | (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b)))) <=> (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b)))),
% 4.80/3.30      inference(rewrite,[status(thm)],[])).
% 4.80/3.30  tff(1058,plain,
% 4.80/3.30      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b))) | (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b))))),
% 4.80/3.30      inference(monotonicity,[status(thm)],[1057])).
% 4.80/3.31  tff(1059,plain,
% 4.80/3.31      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b))) | (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b))))),
% 4.80/3.31      inference(transitivity,[status(thm)],[1058, 1056])).
% 4.80/3.31  tff(1060,plain,
% 4.80/3.31      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b))) | (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b))))),
% 4.80/3.31      inference(quant_inst,[status(thm)],[])).
% 4.80/3.31  tff(1061,plain,
% 4.80/3.31      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b)))),
% 4.80/3.31      inference(modus_ponens,[status(thm)],[1060, 1059])).
% 4.80/3.31  tff(1062,plain,
% 4.80/3.31      (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), i(b)), i(b))),
% 4.80/3.31      inference(unit_resolution,[status(thm)],[1061, 51])).
% 4.80/3.31  tff(1063,plain,
% 4.80/3.31      (mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b))),
% 4.80/3.31      inference(transitivity,[status(thm)],[1062, 1055, 766])).
% 4.80/3.31  tff(1064,plain,
% 4.80/3.31      (mult(a, ld(mult(a, b), unit)) = mult(a, mult(mult(ld(mult(a, b), unit), b), i(b)))),
% 4.80/3.31      inference(symmetry,[status(thm)],[875])).
% 4.80/3.31  tff(1065,plain,
% 4.80/3.31      (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(a, mult(mult(ld(mult(a, b), unit), b), i(b)))),
% 4.80/3.31      inference(transitivity,[status(thm)],[1047, 919, 1018, 1017, 1016, 1064])).
% 4.80/3.31  tff(1066,plain,
% 4.80/3.31      ((mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b)))) <=> (mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b)))),
% 4.80/3.31      inference(monotonicity,[status(thm)],[1065, 1063])).
% 4.80/3.31  tff(1067,plain,
% 4.80/3.31      ((mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b))) <=> (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))))),
% 4.80/3.31      inference(symmetry,[status(thm)],[1066])).
% 4.80/3.31  tff(1068,plain,
% 4.80/3.31      ((~(mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b)))) <=> (~(mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b)))))),
% 4.80/3.31      inference(monotonicity,[status(thm)],[1067])).
% 4.80/3.31  tff(1069,plain,
% 4.80/3.31      (~(mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))))),
% 4.80/3.31      inference(modus_ponens,[status(thm)],[902, 1068])).
% 4.80/3.31  tff(1070,plain,
% 4.80/3.31      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(i(b), i(b))), mult(b, ld(mult(a, b), unit)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b)))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(i(b), i(b))), mult(b, ld(mult(a, b), unit)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b)))))),
% 4.80/3.31      inference(rewrite,[status(thm)],[])).
% 4.80/3.31  tff(1071,plain,
% 4.80/3.31      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(i(b), i(b))), mult(b, ld(mult(a, b), unit)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b)))))),
% 4.80/3.31      inference(quant_inst,[status(thm)],[])).
% 4.80/3.31  tff(1072,plain,
% 4.80/3.31      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(i(b), i(b))), mult(b, ld(mult(a, b), unit)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))))),
% 4.80/3.31      inference(modus_ponens,[status(thm)],[1071, 1070])).
% 4.80/3.31  tff(1073,plain,
% 4.80/3.31      ((mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(i(b), i(b))), mult(b, ld(mult(a, b), unit)))) | (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(b, ld(mult(a, b), unit))), mult(i(b), i(b))))),
% 4.80/3.31      inference(unit_resolution,[status(thm)],[1072, 132])).
% 4.80/3.31  tff(1074,plain,
% 4.80/3.31      (mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b)))) = mult(mult(mult(a, b), mult(i(b), i(b))), mult(b, ld(mult(a, b), unit)))),
% 4.80/3.31      inference(unit_resolution,[status(thm)],[1073, 1069])).
% 4.80/3.31  tff(1075,plain,
% 4.80/3.31      (mult(mult(mult(a, b), mult(i(b), i(b))), mult(b, ld(mult(a, b), unit))) = mult(mult(a, b), mult(mult(b, ld(mult(a, b), unit)), mult(i(b), i(b))))),
% 4.80/3.31      inference(symmetry,[status(thm)],[1074])).
% 4.80/3.31  tff(1076,plain,
% 4.80/3.31      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b))))),
% 4.80/3.31      inference(rewrite,[status(thm)],[])).
% 4.80/3.31  tff(1077,plain,
% 4.80/3.31      (((mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b))) | (mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b)))) <=> (mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b)))),
% 4.80/3.31      inference(rewrite,[status(thm)],[])).
% 4.80/3.31  tff(1078,plain,
% 4.80/3.31      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b))) | (mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b))))),
% 4.80/3.31      inference(monotonicity,[status(thm)],[1077])).
% 4.80/3.31  tff(1079,plain,
% 4.80/3.31      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b))) | (mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b))))),
% 4.80/3.31      inference(transitivity,[status(thm)],[1078, 1076])).
% 4.80/3.31  tff(1080,plain,
% 4.80/3.31      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b))) | (mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b))))),
% 4.80/3.31      inference(quant_inst,[status(thm)],[])).
% 4.80/3.31  tff(1081,plain,
% 4.80/3.31      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b)))),
% 4.80/3.31      inference(modus_ponens,[status(thm)],[1080, 1079])).
% 4.80/3.31  tff(1082,plain,
% 4.80/3.31      (mult(mult(a, b), mult(i(b), i(b))) = mult(mult(mult(a, b), i(b)), i(b))),
% 4.80/3.31      inference(unit_resolution,[status(thm)],[1081, 51])).
% 4.80/3.31  tff(1083,plain,
% 4.80/3.31      (mult(mult(mult(a, b), i(b)), i(b)) = mult(mult(a, b), mult(i(b), i(b)))),
% 4.80/3.31      inference(symmetry,[status(thm)],[1082])).
% 4.80/3.31  tff(1084,plain,
% 4.80/3.31      (mult(mult(mult(a, b), i(b)), i(b)) = mult(a, i(b))),
% 4.80/3.31      inference(monotonicity,[status(thm)],[232])).
% 4.80/3.31  tff(1085,plain,
% 4.80/3.31      (mult(a, i(b)) = mult(mult(mult(a, b), i(b)), i(b))),
% 4.80/3.31      inference(symmetry,[status(thm)],[1084])).
% 4.80/3.31  tff(1086,plain,
% 4.80/3.31      (mult(a, i(b)) = mult(mult(a, b), mult(i(b), i(b)))),
% 4.80/3.31      inference(transitivity,[status(thm)],[1085, 1083])).
% 4.80/3.31  tff(1087,plain,
% 4.80/3.31      (mult(mult(a, i(b)), mult(b, ld(mult(a, b), unit))) = mult(mult(mult(a, b), mult(i(b), i(b))), mult(b, ld(mult(a, b), unit)))),
% 4.80/3.31      inference(monotonicity,[status(thm)],[1086])).
% 4.80/3.31  tff(1088,plain,
% 4.80/3.31      (mult(mult(a, i(b)), mult(b, ld(mult(a, b), unit))) = mult(mult(a, i(b)), mult(ld(mult(a, b), unit), b))),
% 4.80/3.31      inference(transitivity,[status(thm)],[1087, 1075, 1047, 919, 1018, 1017, 1016, 892, 888, 1015])).
% 4.80/3.31  tff(1089,plain,
% 4.80/3.31      (ld(mult(a, i(b)), mult(mult(a, i(b)), mult(b, ld(mult(a, b), unit)))) = ld(mult(a, i(b)), mult(mult(a, i(b)), mult(ld(mult(a, b), unit), b)))),
% 4.80/3.31      inference(monotonicity,[status(thm)],[1088])).
% 4.80/3.31  tff(1090,plain,
% 4.80/3.31      ((~![B: $i, A: $i] : (ld(A, mult(A, B)) = B)) | (ld(mult(a, i(b)), mult(mult(a, i(b)), mult(b, ld(mult(a, b), unit)))) = mult(b, ld(mult(a, b), unit)))),
% 4.80/3.31      inference(quant_inst,[status(thm)],[])).
% 4.80/3.31  tff(1091,plain,
% 4.80/3.31      (ld(mult(a, i(b)), mult(mult(a, i(b)), mult(b, ld(mult(a, b), unit)))) = mult(b, ld(mult(a, b), unit))),
% 4.80/3.31      inference(unit_resolution,[status(thm)],[1090, 251])).
% 4.80/3.31  tff(1092,plain,
% 4.80/3.31      (mult(b, ld(mult(a, b), unit)) = ld(mult(a, i(b)), mult(mult(a, i(b)), mult(b, ld(mult(a, b), unit))))),
% 4.80/3.31      inference(symmetry,[status(thm)],[1091])).
% 4.80/3.31  tff(1093,plain,
% 4.80/3.31      (mult(b, ld(mult(a, b), unit)) = mult(ld(mult(a, b), unit), b)),
% 4.80/3.31      inference(transitivity,[status(thm)],[1092, 1089, 1013])).
% 4.80/3.31  tff(1094,plain,
% 4.80/3.31      (mult(a, mult(b, ld(mult(a, b), unit))) = mult(a, mult(ld(mult(a, b), unit), b))),
% 4.80/3.31      inference(monotonicity,[status(thm)],[1093])).
% 4.80/3.31  tff(1095,plain,
% 4.80/3.31      (mult(a, mult(ld(mult(a, b), unit), b)) = mult(a, mult(b, ld(mult(a, b), unit)))),
% 4.80/3.31      inference(symmetry,[status(thm)],[1094])).
% 4.80/3.31  tff(1096,plain,
% 4.80/3.31      (mult(a, mult(ld(mult(a, b), unit), b)) = mult(mult(a, ld(mult(a, b), unit)), b)),
% 4.80/3.31      inference(transitivity,[status(thm)],[1095, 439])).
% 4.80/3.31  tff(1097,plain,
% 4.80/3.31      ($false),
% 4.80/3.31      inference(unit_resolution,[status(thm)],[443, 1096])).
% 4.80/3.31  tff(1098,plain,((~(mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit)))) | (~(mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))))), inference(lemma,lemma(discharge,[]))).
% 4.80/3.31  tff(1099,plain,
% 4.80/3.31      (~(mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), mult(mult(i(b), i(b)), b)), ld(mult(a, b), unit)))),
% 4.80/3.31      inference(unit_resolution,[status(thm)],[1098, 961])).
% 4.80/3.31  tff(1100,plain,
% 4.80/3.31      (mult(mult(a, b), mult(mult(mult(i(b), i(b)), b), ld(mult(a, b), unit))) = mult(mult(mult(a, b), ld(mult(a, b), unit)), mult(mult(i(b), i(b)), b))),
% 4.80/3.31      inference(unit_resolution,[status(thm)],[865, 1099])).
% 4.80/3.31  tff(1101,plain,
% 4.80/3.31      (mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b))),
% 4.80/3.31      inference(transitivity,[status(thm)],[919, 1100, 787, 384, 122, 353, 766])).
% 4.80/3.31  tff(1102,plain,
% 4.80/3.31      (mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit))) = mult(b, mult(i(b), ld(mult(a, b), unit)))),
% 4.80/3.31      inference(symmetry,[status(thm)],[944])).
% 4.80/3.31  tff(1103,plain,
% 4.80/3.31      (mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit)) = mult(mult(unit, b), mult(i(b), ld(mult(a, b), unit)))),
% 4.80/3.31      inference(symmetry,[status(thm)],[961])).
% 4.80/3.31  tff(1104,plain,
% 4.80/3.31      (mult(unit, ld(mult(a, b), unit)) = mult(mult(mult(unit, b), i(b)), ld(mult(a, b), unit))),
% 4.80/3.31      inference(symmetry,[status(thm)],[750])).
% 4.80/3.31  tff(1105,plain,
% 4.80/3.31      (ld(mult(a, b), unit) = mult(b, mult(i(b), ld(mult(a, b), unit)))),
% 4.80/3.31      inference(transitivity,[status(thm)],[268, 1104, 1103, 1102])).
% 4.80/3.31  tff(1106,plain,
% 4.80/3.31      (mult(a, ld(mult(a, b), unit)) = mult(a, mult(b, mult(i(b), ld(mult(a, b), unit))))),
% 4.80/3.31      inference(monotonicity,[status(thm)],[1105])).
% 4.80/3.31  tff(1107,plain,
% 4.80/3.31      (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(a, ld(mult(a, b), unit))),
% 4.80/3.31      inference(symmetry,[status(thm)],[1106])).
% 4.80/3.31  tff(1108,plain,
% 4.80/3.31      (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(a, mult(mult(ld(mult(a, b), unit), b), i(b)))),
% 4.80/3.31      inference(transitivity,[status(thm)],[1107, 1064])).
% 4.80/3.31  tff(1109,plain,
% 4.80/3.31      ((mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) <=> (mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b)))),
% 4.80/3.31      inference(monotonicity,[status(thm)],[1108, 1101])).
% 4.80/3.31  tff(1110,plain,
% 4.80/3.31      ((mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b))) <=> (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.80/3.31      inference(symmetry,[status(thm)],[1109])).
% 4.80/3.31  tff(1111,plain,
% 4.80/3.31      ((~(mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b)))) <=> (~(mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))))),
% 4.80/3.31      inference(monotonicity,[status(thm)],[1110])).
% 4.80/3.31  tff(1112,plain,
% 4.80/3.31      (~(mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))))),
% 4.80/3.31      inference(modus_ponens,[status(thm)],[902, 1111])).
% 4.80/3.31  tff(1113,plain,
% 4.80/3.31      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b)))),
% 4.80/3.31      inference(rewrite,[status(thm)],[])).
% 4.80/3.31  tff(1114,plain,
% 4.80/3.31      (((mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b)) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit))))) <=> ((mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b)))),
% 4.80/3.31      inference(rewrite,[status(thm)],[])).
% 4.80/3.31  tff(1115,plain,
% 4.80/3.31      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b)) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b))))),
% 4.80/3.32      inference(monotonicity,[status(thm)],[1114])).
% 4.80/3.32  tff(1116,plain,
% 4.80/3.32      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b)) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b)))),
% 4.80/3.32      inference(transitivity,[status(thm)],[1115, 1113])).
% 4.80/3.32  tff(1117,plain,
% 4.80/3.32      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | ((mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b)) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))))),
% 4.80/3.32      inference(quant_inst,[status(thm)],[])).
% 4.80/3.32  tff(1118,plain,
% 4.80/3.32      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, C), B)) | (mult(A, mult(B, C)) = mult(mult(A, B), C)))) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, b), mult(i(b), ld(mult(a, b), unit)))) | (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b))),
% 4.80/3.32      inference(modus_ponens,[status(thm)],[1117, 1116])).
% 4.80/3.32  tff(1119,plain,
% 4.80/3.32      (mult(a, mult(b, mult(i(b), ld(mult(a, b), unit)))) = mult(mult(a, mult(i(b), ld(mult(a, b), unit))), b)),
% 4.80/3.32      inference(unit_resolution,[status(thm)],[1118, 132, 1112])).
% 4.80/3.32  tff(1120,plain,
% 4.80/3.32      (mult(a, mult(mult(ld(mult(a, b), unit), b), i(b))) = mult(mult(a, mult(ld(mult(a, b), unit), b)), i(b))),
% 4.80/3.32      inference(transitivity,[status(thm)],[875, 1106, 1119, 1011, 197, 384, 122, 353, 766])).
% 4.80/3.32  tff(1121,plain,
% 4.80/3.32      ($false),
% 4.80/3.32      inference(unit_resolution,[status(thm)],[902, 1120])).
% 4.80/3.32  tff(1122,plain,(~(mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b)))), inference(lemma,lemma(discharge,[]))).
% 4.80/3.32  tff(1123,plain,
% 4.80/3.32      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))) | (mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))) | (mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))))),
% 4.80/3.32      inference(rewrite,[status(thm)],[])).
% 4.80/3.32  tff(1124,plain,
% 4.80/3.32      (((mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))) | (mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b)))) <=> ((mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))) | (mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))))),
% 4.80/3.32      inference(rewrite,[status(thm)],[])).
% 4.80/3.32  tff(1125,plain,
% 4.80/3.32      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))) | (mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))) | (mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b)))))),
% 4.80/3.32      inference(monotonicity,[status(thm)],[1124])).
% 4.80/3.32  tff(1126,plain,
% 4.80/3.32      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))) | (mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))) | (mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))))),
% 4.80/3.32      inference(transitivity,[status(thm)],[1125, 1123])).
% 4.80/3.32  tff(1127,plain,
% 4.80/3.32      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))) | (mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))))),
% 4.80/3.32      inference(quant_inst,[status(thm)],[])).
% 4.80/3.32  tff(1128,plain,
% 4.80/3.32      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))) | (mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b)))),
% 4.80/3.32      inference(modus_ponens,[status(thm)],[1127, 1126])).
% 4.80/3.32  tff(1129,plain,
% 4.80/3.32      ((mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))) | (mult(a, mult(mult(mult(i(b), ld(mult(a, b), unit)), b), i(b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b)))),
% 4.80/3.32      inference(unit_resolution,[status(thm)],[1128, 51])).
% 4.80/3.32  tff(1130,plain,
% 4.80/3.32      (mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)), i(b))),
% 4.80/3.32      inference(unit_resolution,[status(thm)],[1129, 1122])).
% 4.80/3.32  tff(1131,plain,
% 4.80/3.32      (mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(i(b), i(b))),
% 4.80/3.32      inference(transitivity,[status(thm)],[1130, 1007])).
% 4.80/3.32  tff(1132,plain,
% 4.80/3.32      (mult(mult(b, b), mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(mult(b, b), mult(i(b), i(b)))),
% 4.80/3.32      inference(monotonicity,[status(thm)],[1131])).
% 4.80/3.32  tff(1133,plain,
% 4.80/3.32      (mult(mult(b, b), mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(unit, mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.80/3.32      inference(transitivity,[status(thm)],[1132, 399, 386, 19, 1003, 1002])).
% 4.80/3.32  tff(1134,plain,
% 4.80/3.32      ((mult(mult(b, b), mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)) <=> (mult(unit, mult(a, mult(ld(mult(a, b), unit), b))) = mult(mult(unit, mult(ld(mult(a, b), unit), b)), a))),
% 4.80/3.32      inference(monotonicity,[status(thm)],[1133, 1000])).
% 4.80/3.32  tff(1135,plain,
% 4.80/3.32      ((mult(mult(b, b), mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)) <=> (mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a))),
% 4.80/3.32      inference(transitivity,[status(thm)],[1134, 1006])).
% 4.80/3.32  tff(1136,assumption,(~(mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a))), introduced(assumption)).
% 4.80/3.32  tff(1137,plain,
% 4.80/3.32      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)) | (mult(mult(b, b), mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)) | (mult(mult(b, b), mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)))),
% 4.80/3.32      inference(rewrite,[status(thm)],[])).
% 4.80/3.32  tff(1138,plain,
% 4.80/3.32      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)) | (mult(mult(b, b), mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)))),
% 4.80/3.32      inference(quant_inst,[status(thm)],[])).
% 4.80/3.32  tff(1139,plain,
% 4.80/3.32      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)) | (mult(mult(b, b), mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a))),
% 4.80/3.32      inference(modus_ponens,[status(thm)],[1138, 1137])).
% 4.80/3.32  tff(1140,plain,
% 4.80/3.32      ((mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)) | (mult(mult(b, b), mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a))),
% 4.80/3.32      inference(unit_resolution,[status(thm)],[1139, 51])).
% 4.80/3.32  tff(1141,plain,
% 4.80/3.32      (mult(mult(b, b), mult(a, mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)),
% 4.80/3.32      inference(unit_resolution,[status(thm)],[1140, 1136])).
% 4.80/3.32  tff(1142,plain,
% 4.80/3.32      (mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)),
% 4.80/3.32      inference(modus_ponens,[status(thm)],[1141, 1135])).
% 4.80/3.32  tff(1143,plain,
% 4.80/3.32      ($false),
% 4.80/3.32      inference(unit_resolution,[status(thm)],[1136, 1142])).
% 4.80/3.32  tff(1144,plain,(mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a)) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)), inference(lemma,lemma(discharge,[]))).
% 4.80/3.32  tff(1145,plain,
% 4.80/3.32      (mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a) = mult(mult(b, b), mult(mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)), a))),
% 4.80/3.32      inference(symmetry,[status(thm)],[1144])).
% 4.82/3.32  tff(1146,plain,
% 4.82/3.32      (mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.32      inference(symmetry,[status(thm)],[997])).
% 4.82/3.32  tff(1147,plain,
% 4.82/3.32      (mult(b, mult(i(b), mult(ld(mult(a, b), unit), b))) = mult(mult(mult(b, b), i(b)), mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.82/3.32      inference(symmetry,[status(thm)],[738])).
% 4.82/3.32  tff(1148,plain,
% 4.82/3.32      (mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b)) = mult(b, mult(i(b), mult(ld(mult(a, b), unit), b)))),
% 4.82/3.32      inference(symmetry,[status(thm)],[686])).
% 4.82/3.32  tff(1149,plain,
% 4.82/3.32      (mult(unit, mult(ld(mult(a, b), unit), b)) = mult(mult(b, i(b)), mult(ld(mult(a, b), unit), b))),
% 4.82/3.32      inference(symmetry,[status(thm)],[672])).
% 4.82/3.32  tff(1150,plain,
% 4.82/3.32      (mult(ld(mult(a, b), unit), b) = mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.32      inference(transitivity,[status(thm)],[522, 1149, 1148, 1147, 1146])).
% 4.82/3.32  tff(1151,plain,
% 4.82/3.32      (mult(mult(ld(mult(a, b), unit), b), a) = mult(mult(mult(b, b), mult(i(b), mult(mult(i(b), ld(mult(a, b), unit)), b))), a)),
% 4.82/3.32      inference(monotonicity,[status(thm)],[1150])).
% 4.82/3.32  tff(1152,plain,
% 4.82/3.32      (mult(mult(ld(mult(a, b), unit), b), a) = unit),
% 4.82/3.32      inference(transitivity,[status(thm)],[1151, 1145, 669, 399, 386, 19])).
% 4.82/3.32  tff(1153,plain,
% 4.82/3.32      (mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(unit, mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.82/3.32      inference(monotonicity,[status(thm)],[1152])).
% 4.82/3.32  tff(1154,plain,
% 4.82/3.32      (mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b)) = mult(mult(i(b), ld(mult(a, b), unit)), b)),
% 4.82/3.32      inference(transitivity,[status(thm)],[1153, 337, 335, 322, 321])).
% 4.82/3.32  tff(1155,plain,
% 4.82/3.32      (mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(ld(mult(a, b), unit), b), i(b))),
% 4.82/3.32      inference(monotonicity,[status(thm)],[472])).
% 4.82/3.32  tff(1156,plain,
% 4.82/3.32      (mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(i(b), mult(b, ld(mult(a, b), unit)))),
% 4.82/3.32      inference(transitivity,[status(thm)],[1155, 303, 300, 280, 268, 267, 769])).
% 4.82/3.32  tff(1157,plain,
% 4.82/3.32      ((mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))) <=> (mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b))),
% 4.82/3.32      inference(monotonicity,[status(thm)],[1156, 1154])).
% 4.82/3.32  tff(1158,plain,
% 4.82/3.32      ((mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b)) <=> (mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.32      inference(symmetry,[status(thm)],[1157])).
% 4.82/3.32  tff(1159,plain,
% 4.82/3.32      ((~(mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b))) <=> (~(mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.82/3.32      inference(monotonicity,[status(thm)],[1158])).
% 4.82/3.32  tff(1160,plain,
% 4.82/3.32      (~(mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.32      inference(modus_ponens,[status(thm)],[826, 1159])).
% 4.82/3.32  tff(1161,plain,
% 4.82/3.32      (mult(mult(ld(mult(a, b), unit), b), i(b)) = mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.32      inference(symmetry,[status(thm)],[1155])).
% 4.82/3.32  tff(1162,plain,
% 4.82/3.32      (mult(mult(i(b), mult(ld(mult(a, b), unit), b)), a) = mult(i(b), mult(a, mult(ld(mult(a, b), unit), b)))),
% 4.82/3.32      inference(symmetry,[status(thm)],[567])).
% 4.82/3.32  tff(1163,plain,
% 4.82/3.32      (mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a) = i(b)),
% 4.82/3.32      inference(transitivity,[status(thm)],[648, 1162, 475, 359])).
% 4.82/3.32  tff(1164,plain,
% 4.82/3.32      (mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(ld(mult(a, b), unit), b), i(b))),
% 4.82/3.33      inference(monotonicity,[status(thm)],[1163])).
% 4.82/3.33  tff(1165,plain,
% 4.82/3.33      (mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.33      inference(transitivity,[status(thm)],[1164, 1161])).
% 4.82/3.33  tff(1166,plain,
% 4.82/3.33      ((mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))) <=> (mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.33      inference(monotonicity,[status(thm)],[1165])).
% 4.82/3.33  tff(1167,plain,
% 4.82/3.33      ((mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))) <=> (mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.33      inference(symmetry,[status(thm)],[1166])).
% 4.82/3.33  tff(1168,plain,
% 4.82/3.33      ((mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b)) <=> (mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.33      inference(transitivity,[status(thm)],[1158, 1167])).
% 4.82/3.33  tff(1169,plain,
% 4.82/3.33      ((~(mult(i(b), mult(b, ld(mult(a, b), unit))) = mult(mult(i(b), ld(mult(a, b), unit)), b))) <=> (~(mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.82/3.33      inference(monotonicity,[status(thm)],[1168])).
% 4.82/3.33  tff(1170,plain,
% 4.82/3.33      (~(mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.33      inference(modus_ponens,[status(thm)],[826, 1169])).
% 4.82/3.33  tff(1171,plain,
% 4.82/3.33      (((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))))) <=> ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.82/3.33      inference(rewrite,[status(thm)],[])).
% 4.82/3.33  tff(1172,plain,
% 4.82/3.33      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | ((mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))))),
% 4.82/3.33      inference(quant_inst,[status(thm)],[])).
% 4.82/3.33  tff(1173,plain,
% 4.82/3.33      ((~![B: $i, A: $i, C: $i] : ((mult(A, mult(B, C)) = mult(mult(A, B), C)) | (mult(A, mult(C, B)) = mult(mult(A, B), C)))) | (mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.33      inference(modus_ponens,[status(thm)],[1172, 1171])).
% 4.82/3.33  tff(1174,plain,
% 4.82/3.33      ((mult(mult(ld(mult(a, b), unit), b), mult(a, mult(mult(i(b), ld(mult(a, b), unit)), b))) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b))) | (mult(mult(ld(mult(a, b), unit), b), mult(mult(mult(i(b), ld(mult(a, b), unit)), b), a)) = mult(mult(mult(ld(mult(a, b), unit), b), a), mult(mult(i(b), ld(mult(a, b), unit)), b)))),
% 4.82/3.33      inference(unit_resolution,[status(thm)],[1173, 51])).
% 4.82/3.33  tff(1175,plain,
% 4.82/3.33      ($false),
% 4.82/3.33      inference(unit_resolution,[status(thm)],[1174, 1170, 1160])).
% 4.82/3.33  % SZS output end Proof
%------------------------------------------------------------------------------