TSTP Solution File: SEU104+1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SEU104+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n007.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 : Tue Sep 20 07:27:30 EDT 2022

% Result   : Theorem 1.11s 0.96s
% Output   : Proof 1.11s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SEU104+1 : TPTP v8.1.0. Released v3.2.0.
% 0.12/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n007.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Sat Sep  3 09:12:19 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.35  Usage: tptp [options] [-file:]file
% 0.13/0.35    -h, -?       prints this message.
% 0.13/0.35    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.35    -m, -model   generate model.
% 0.13/0.35    -p, -proof   generate proof.
% 0.13/0.35    -c, -core    generate unsat core of named formulas.
% 0.13/0.35    -st, -statistics display statistics.
% 0.13/0.35    -t:timeout   set timeout (in second).
% 0.13/0.35    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.35    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.35    -<param>:<value> configuration parameter and value.
% 0.13/0.35    -o:<output-file> file to place output in.
% 1.11/0.96  % SZS status Theorem
% 1.11/0.96  % SZS output start Proof
% 1.11/0.96  tff(in_type, type, (
% 1.11/0.96     in: ( $i * $i ) > $o)).
% 1.11/0.96  tff(tptp_fun_A_11_type, type, (
% 1.11/0.96     tptp_fun_A_11: $i)).
% 1.11/0.96  tff(symmetric_difference_type, type, (
% 1.11/0.96     symmetric_difference: ( $i * $i ) > $i)).
% 1.11/0.96  tff(set_difference_type, type, (
% 1.11/0.96     set_difference: ( $i * $i ) > $i)).
% 1.11/0.96  tff(tptp_fun_C_9_type, type, (
% 1.11/0.96     tptp_fun_C_9: $i > $i)).
% 1.11/0.96  tff(tptp_fun_B_10_type, type, (
% 1.11/0.96     tptp_fun_B_10: $i > $i)).
% 1.11/0.96  tff(set_union2_type, type, (
% 1.11/0.96     set_union2: ( $i * $i ) > $i)).
% 1.11/0.96  tff(preboolean_type, type, (
% 1.11/0.96     preboolean: $i > $o)).
% 1.11/0.96  tff(element_type, type, (
% 1.11/0.96     element: ( $i * $i ) > $o)).
% 1.11/0.96  tff(empty_type, type, (
% 1.11/0.96     empty: $i > $o)).
% 1.11/0.96  tff(1,plain,
% 1.11/0.96      (^[A: $i, B: $i] : refl((set_union2(A, B) = set_union2(B, A)) <=> (set_union2(A, B) = set_union2(B, A)))),
% 1.11/0.96      inference(bind,[status(th)],[])).
% 1.11/0.96  tff(2,plain,
% 1.11/0.96      (![A: $i, B: $i] : (set_union2(A, B) = set_union2(B, A)) <=> ![A: $i, B: $i] : (set_union2(A, B) = set_union2(B, A))),
% 1.11/0.96      inference(quant_intro,[status(thm)],[1])).
% 1.11/0.96  tff(3,plain,
% 1.11/0.96      (![A: $i, B: $i] : (set_union2(A, B) = set_union2(B, A)) <=> ![A: $i, B: $i] : (set_union2(A, B) = set_union2(B, A))),
% 1.11/0.96      inference(rewrite,[status(thm)],[])).
% 1.11/0.96  tff(4,axiom,(![A: $i, B: $i] : (set_union2(A, B) = set_union2(B, A))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','commutativity_k2_xboole_0')).
% 1.11/0.96  tff(5,plain,
% 1.11/0.96      (![A: $i, B: $i] : (set_union2(A, B) = set_union2(B, A))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[4, 3])).
% 1.11/0.96  tff(6,plain,(
% 1.11/0.96      ![A: $i, B: $i] : (set_union2(A, B) = set_union2(B, A))),
% 1.11/0.96      inference(skolemize,[status(sab)],[5])).
% 1.11/0.96  tff(7,plain,
% 1.11/0.96      (![A: $i, B: $i] : (set_union2(A, B) = set_union2(B, A))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[6, 2])).
% 1.11/0.96  tff(8,plain,
% 1.11/0.96      ((~![A: $i, B: $i] : (set_union2(A, B) = set_union2(B, A))) | (set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)) = set_union2(tptp_fun_C_9(A!11), tptp_fun_B_10(A!11)))),
% 1.11/0.96      inference(quant_inst,[status(thm)],[])).
% 1.11/0.96  tff(9,plain,
% 1.11/0.96      (set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)) = set_union2(tptp_fun_C_9(A!11), tptp_fun_B_10(A!11))),
% 1.11/0.96      inference(unit_resolution,[status(thm)],[8, 7])).
% 1.11/0.96  tff(10,plain,
% 1.11/0.96      (set_union2(tptp_fun_C_9(A!11), tptp_fun_B_10(A!11)) = set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))),
% 1.11/0.96      inference(symmetry,[status(thm)],[9])).
% 1.11/0.96  tff(11,plain,
% 1.11/0.96      (^[A: $i, B: $i] : refl((set_union2(A, B) = symmetric_difference(A, set_difference(B, A))) <=> (set_union2(A, B) = symmetric_difference(A, set_difference(B, A))))),
% 1.11/0.96      inference(bind,[status(th)],[])).
% 1.11/0.96  tff(12,plain,
% 1.11/0.96      (![A: $i, B: $i] : (set_union2(A, B) = symmetric_difference(A, set_difference(B, A))) <=> ![A: $i, B: $i] : (set_union2(A, B) = symmetric_difference(A, set_difference(B, A)))),
% 1.11/0.96      inference(quant_intro,[status(thm)],[11])).
% 1.11/0.96  tff(13,plain,
% 1.11/0.96      (![A: $i, B: $i] : (set_union2(A, B) = symmetric_difference(A, set_difference(B, A))) <=> ![A: $i, B: $i] : (set_union2(A, B) = symmetric_difference(A, set_difference(B, A)))),
% 1.11/0.96      inference(rewrite,[status(thm)],[])).
% 1.11/0.96  tff(14,axiom,(![A: $i, B: $i] : (set_union2(A, B) = symmetric_difference(A, set_difference(B, A)))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','t98_xboole_1')).
% 1.11/0.96  tff(15,plain,
% 1.11/0.96      (![A: $i, B: $i] : (set_union2(A, B) = symmetric_difference(A, set_difference(B, A)))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[14, 13])).
% 1.11/0.96  tff(16,plain,(
% 1.11/0.96      ![A: $i, B: $i] : (set_union2(A, B) = symmetric_difference(A, set_difference(B, A)))),
% 1.11/0.96      inference(skolemize,[status(sab)],[15])).
% 1.11/0.96  tff(17,plain,
% 1.11/0.96      (![A: $i, B: $i] : (set_union2(A, B) = symmetric_difference(A, set_difference(B, A)))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[16, 12])).
% 1.11/0.96  tff(18,plain,
% 1.11/0.96      ((~![A: $i, B: $i] : (set_union2(A, B) = symmetric_difference(A, set_difference(B, A)))) | (set_union2(tptp_fun_C_9(A!11), tptp_fun_B_10(A!11)) = symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))))),
% 1.11/0.96      inference(quant_inst,[status(thm)],[])).
% 1.11/0.96  tff(19,plain,
% 1.11/0.96      (set_union2(tptp_fun_C_9(A!11), tptp_fun_B_10(A!11)) = symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)))),
% 1.11/0.96      inference(unit_resolution,[status(thm)],[18, 17])).
% 1.11/0.96  tff(20,plain,
% 1.11/0.96      (symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))) = set_union2(tptp_fun_C_9(A!11), tptp_fun_B_10(A!11))),
% 1.11/0.96      inference(symmetry,[status(thm)],[19])).
% 1.11/0.96  tff(21,plain,
% 1.11/0.96      (symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))) = set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))),
% 1.11/0.96      inference(transitivity,[status(thm)],[20, 10])).
% 1.11/0.96  tff(22,plain,
% 1.11/0.96      (in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11) <=> in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)),
% 1.11/0.96      inference(monotonicity,[status(thm)],[21])).
% 1.11/0.96  tff(23,plain,
% 1.11/0.96      (in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11) <=> in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)),
% 1.11/0.96      inference(symmetry,[status(thm)],[22])).
% 1.11/0.96  tff(24,plain,
% 1.11/0.96      ((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) <=> (~in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11))),
% 1.11/0.96      inference(monotonicity,[status(thm)],[23])).
% 1.11/0.96  tff(25,plain,
% 1.11/0.96      (^[A: $i] : refl((~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))))))) <=> (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))))))))),
% 1.11/0.96      inference(bind,[status(th)],[])).
% 1.11/0.96  tff(26,plain,
% 1.11/0.96      (![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))))))) <=> ![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))),
% 1.11/0.96      inference(quant_intro,[status(thm)],[25])).
% 1.11/0.96  tff(27,plain,
% 1.11/0.96      (^[A: $i] : rewrite((~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))))))) <=> (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))))))))),
% 1.11/0.96      inference(bind,[status(th)],[])).
% 1.11/0.96  tff(28,plain,
% 1.11/0.96      (![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))))))) <=> ![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))),
% 1.11/0.96      inference(quant_intro,[status(thm)],[27])).
% 1.11/0.96  tff(29,plain,
% 1.11/0.96      (![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))))))) <=> ![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))),
% 1.11/0.96      inference(transitivity,[status(thm)],[28, 26])).
% 1.11/0.96  tff(30,plain,
% 1.11/0.96      (^[A: $i] : trans(monotonicity(rewrite(((~preboolean(A)) | ![B: $i, C: $i] : ((~(in(B, A) & in(C, A))) | (in(set_union2(B, C), A) & in(set_difference(B, C), A)))) <=> ((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))), rewrite((preboolean(A) | (~((~(in(tptp_fun_B_10(A), A) & in(tptp_fun_C_9(A), A))) | (in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A) & in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))) <=> (preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))))), ((((~preboolean(A)) | ![B: $i, C: $i] : ((~(in(B, A) & in(C, A))) | (in(set_union2(B, C), A) & in(set_difference(B, C), A)))) & (preboolean(A) | (~((~(in(tptp_fun_B_10(A), A) & in(tptp_fun_C_9(A), A))) | (in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A) & in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))) <=> (((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A)))))) & (preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))))))), rewrite((((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A)))))) & (preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))))) <=> (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))), ((((~preboolean(A)) | ![B: $i, C: $i] : ((~(in(B, A) & in(C, A))) | (in(set_union2(B, C), A) & in(set_difference(B, C), A)))) & (preboolean(A) | (~((~(in(tptp_fun_B_10(A), A) & in(tptp_fun_C_9(A), A))) | (in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A) & in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))) <=> (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))))),
% 1.11/0.96      inference(bind,[status(th)],[])).
% 1.11/0.96  tff(31,plain,
% 1.11/0.96      (![A: $i] : (((~preboolean(A)) | ![B: $i, C: $i] : ((~(in(B, A) & in(C, A))) | (in(set_union2(B, C), A) & in(set_difference(B, C), A)))) & (preboolean(A) | (~((~(in(tptp_fun_B_10(A), A) & in(tptp_fun_C_9(A), A))) | (in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A) & in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)))))) <=> ![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))),
% 1.11/0.96      inference(quant_intro,[status(thm)],[30])).
% 1.11/0.96  tff(32,plain,
% 1.11/0.96      (![A: $i] : (preboolean(A) <=> ![B: $i, C: $i] : ((~(in(B, A) & in(C, A))) | (in(set_union2(B, C), A) & in(set_difference(B, C), A)))) <=> ![A: $i] : (preboolean(A) <=> ![B: $i, C: $i] : ((~(in(B, A) & in(C, A))) | (in(set_union2(B, C), A) & in(set_difference(B, C), A))))),
% 1.11/0.96      inference(rewrite,[status(thm)],[])).
% 1.11/0.96  tff(33,plain,
% 1.11/0.96      (^[A: $i] : rewrite((preboolean(A) <=> ![B: $i, C: $i] : ((in(B, A) & in(C, A)) => (in(set_union2(B, C), A) & in(set_difference(B, C), A)))) <=> (preboolean(A) <=> ![B: $i, C: $i] : ((~(in(B, A) & in(C, A))) | (in(set_union2(B, C), A) & in(set_difference(B, C), A)))))),
% 1.11/0.96      inference(bind,[status(th)],[])).
% 1.11/0.96  tff(34,plain,
% 1.11/0.96      (![A: $i] : (preboolean(A) <=> ![B: $i, C: $i] : ((in(B, A) & in(C, A)) => (in(set_union2(B, C), A) & in(set_difference(B, C), A)))) <=> ![A: $i] : (preboolean(A) <=> ![B: $i, C: $i] : ((~(in(B, A) & in(C, A))) | (in(set_union2(B, C), A) & in(set_difference(B, C), A))))),
% 1.11/0.96      inference(quant_intro,[status(thm)],[33])).
% 1.11/0.96  tff(35,axiom,(![A: $i] : (preboolean(A) <=> ![B: $i, C: $i] : ((in(B, A) & in(C, A)) => (in(set_union2(B, C), A) & in(set_difference(B, C), A))))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','t10_finsub_1')).
% 1.11/0.96  tff(36,plain,
% 1.11/0.96      (![A: $i] : (preboolean(A) <=> ![B: $i, C: $i] : ((~(in(B, A) & in(C, A))) | (in(set_union2(B, C), A) & in(set_difference(B, C), A))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[35, 34])).
% 1.11/0.96  tff(37,plain,
% 1.11/0.96      (![A: $i] : (preboolean(A) <=> ![B: $i, C: $i] : ((~(in(B, A) & in(C, A))) | (in(set_union2(B, C), A) & in(set_difference(B, C), A))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[36, 32])).
% 1.11/0.96  tff(38,plain,(
% 1.11/0.96      ![A: $i] : (((~preboolean(A)) | ![B: $i, C: $i] : ((~(in(B, A) & in(C, A))) | (in(set_union2(B, C), A) & in(set_difference(B, C), A)))) & (preboolean(A) | (~((~(in(tptp_fun_B_10(A), A) & in(tptp_fun_C_9(A), A))) | (in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A) & in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))),
% 1.11/0.96      inference(skolemize,[status(sab)],[37])).
% 1.11/0.96  tff(39,plain,
% 1.11/0.96      (![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[38, 31])).
% 1.11/0.96  tff(40,plain,
% 1.11/0.96      (![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[39, 29])).
% 1.11/0.96  tff(41,plain,
% 1.11/0.96      (((~![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))) | (~((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(C, A!11)) | (~in(B, A!11)) | (~((~in(set_difference(B, C), A!11)) | (~in(set_union2(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))))))))) <=> ((~![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))) | (~((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(C, A!11)) | (~in(B, A!11)) | (~((~in(set_difference(B, C), A!11)) | (~in(set_union2(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))))))))),
% 1.11/0.96      inference(rewrite,[status(thm)],[])).
% 1.11/0.96  tff(42,plain,
% 1.11/0.96      ((~((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(B, A!11)) | (~in(C, A!11)) | (~((~in(set_union2(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))))))) <=> (~((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(C, A!11)) | (~in(B, A!11)) | (~((~in(set_difference(B, C), A!11)) | (~in(set_union2(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))))))))),
% 1.11/0.96      inference(rewrite,[status(thm)],[])).
% 1.11/0.96  tff(43,plain,
% 1.11/0.96      (((~![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))) | (~((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(B, A!11)) | (~in(C, A!11)) | (~((~in(set_union2(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))))))))) <=> ((~![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))) | (~((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(C, A!11)) | (~in(B, A!11)) | (~((~in(set_difference(B, C), A!11)) | (~in(set_union2(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))))))))),
% 1.11/0.96      inference(monotonicity,[status(thm)],[42])).
% 1.11/0.96  tff(44,plain,
% 1.11/0.96      (((~![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))) | (~((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(B, A!11)) | (~in(C, A!11)) | (~((~in(set_union2(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))))))))) <=> ((~![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))) | (~((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(C, A!11)) | (~in(B, A!11)) | (~((~in(set_difference(B, C), A!11)) | (~in(set_union2(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))))))))),
% 1.11/0.96      inference(transitivity,[status(thm)],[43, 41])).
% 1.11/0.96  tff(45,plain,
% 1.11/0.96      ((~![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))) | (~((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(B, A!11)) | (~in(C, A!11)) | (~((~in(set_union2(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))))))))),
% 1.11/0.96      inference(quant_inst,[status(thm)],[])).
% 1.11/0.96  tff(46,plain,
% 1.11/0.96      ((~![A: $i] : (~((~((~preboolean(A)) | ![B: $i, C: $i] : ((~in(B, A)) | (~in(C, A)) | (~((~in(set_union2(B, C), A)) | (~in(set_difference(B, C), A))))))) | (~(preboolean(A) | (~((~in(tptp_fun_B_10(A), A)) | (~in(tptp_fun_C_9(A), A)) | (~((~in(set_union2(tptp_fun_B_10(A), tptp_fun_C_9(A)), A)) | (~in(set_difference(tptp_fun_B_10(A), tptp_fun_C_9(A)), A))))))))))) | (~((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(C, A!11)) | (~in(B, A!11)) | (~((~in(set_difference(B, C), A!11)) | (~in(set_union2(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))))))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[45, 44])).
% 1.11/0.96  tff(47,plain,
% 1.11/0.96      (~((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(C, A!11)) | (~in(B, A!11)) | (~((~in(set_difference(B, C), A!11)) | (~in(set_union2(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))))))),
% 1.11/0.96      inference(unit_resolution,[status(thm)],[46, 40])).
% 1.11/0.96  tff(48,plain,
% 1.11/0.96      (((~((~preboolean(A!11)) | ![B: $i, C: $i] : ((~in(C, A!11)) | (~in(B, A!11)) | (~((~in(set_difference(B, C), A!11)) | (~in(set_union2(B, C), A!11))))))) | (~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))))))) | (preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))))),
% 1.11/0.96      inference(tautology,[status(thm)],[])).
% 1.11/0.96  tff(49,plain,
% 1.11/0.96      (preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))))),
% 1.11/0.96      inference(unit_resolution,[status(thm)],[48, 47])).
% 1.11/0.96  tff(50,plain,
% 1.11/0.96      (((~empty(A!11)) & (~preboolean(A!11)) & ![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (in(symmetric_difference(B, C), A!11) & in(set_difference(B, C), A!11))))) <=> ((~empty(A!11)) & (~preboolean(A!11)) & ![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (in(symmetric_difference(B, C), A!11) & in(set_difference(B, C), A!11)))))),
% 1.11/0.96      inference(rewrite,[status(thm)],[])).
% 1.11/0.96  tff(51,plain,
% 1.11/0.96      ((~![A: $i] : (empty(A) | preboolean(A) | (~![B: $i] : ((~element(B, A)) | ![C: $i] : ((~element(C, A)) | (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A))))))) <=> (~![A: $i] : (empty(A) | preboolean(A) | (~![B: $i] : ((~element(B, A)) | ![C: $i] : ((~element(C, A)) | (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A)))))))),
% 1.11/0.96      inference(rewrite,[status(thm)],[])).
% 1.11/0.96  tff(52,plain,
% 1.11/0.96      ((~![A: $i] : ((~empty(A)) => (![B: $i] : (element(B, A) => ![C: $i] : (element(C, A) => (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A)))) => preboolean(A)))) <=> (~![A: $i] : (empty(A) | preboolean(A) | (~![B: $i] : ((~element(B, A)) | ![C: $i] : ((~element(C, A)) | (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A)))))))),
% 1.11/0.96      inference(rewrite,[status(thm)],[])).
% 1.11/0.96  tff(53,axiom,(~![A: $i] : ((~empty(A)) => (![B: $i] : (element(B, A) => ![C: $i] : (element(C, A) => (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A)))) => preboolean(A)))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','t15_finsub_1')).
% 1.11/0.96  tff(54,plain,
% 1.11/0.96      (~![A: $i] : (empty(A) | preboolean(A) | (~![B: $i] : ((~element(B, A)) | ![C: $i] : ((~element(C, A)) | (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A))))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[53, 52])).
% 1.11/0.96  tff(55,plain,
% 1.11/0.96      (~![A: $i] : (empty(A) | preboolean(A) | (~![B: $i] : ((~element(B, A)) | ![C: $i] : ((~element(C, A)) | (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A))))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[54, 51])).
% 1.11/0.96  tff(56,plain,
% 1.11/0.96      (~![A: $i] : (empty(A) | preboolean(A) | (~![B: $i] : ((~element(B, A)) | ![C: $i] : ((~element(C, A)) | (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A))))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[55, 51])).
% 1.11/0.96  tff(57,plain,
% 1.11/0.96      (~![A: $i] : (empty(A) | preboolean(A) | (~![B: $i] : ((~element(B, A)) | ![C: $i] : ((~element(C, A)) | (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A))))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[56, 51])).
% 1.11/0.96  tff(58,plain,
% 1.11/0.96      (~![A: $i] : (empty(A) | preboolean(A) | (~![B: $i] : ((~element(B, A)) | ![C: $i] : ((~element(C, A)) | (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A))))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[57, 51])).
% 1.11/0.96  tff(59,plain,
% 1.11/0.96      (~![A: $i] : (empty(A) | preboolean(A) | (~![B: $i] : ((~element(B, A)) | ![C: $i] : ((~element(C, A)) | (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A))))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[58, 51])).
% 1.11/0.96  tff(60,plain,
% 1.11/0.96      (~![A: $i] : (empty(A) | preboolean(A) | (~![B: $i] : ((~element(B, A)) | ![C: $i] : ((~element(C, A)) | (in(symmetric_difference(B, C), A) & in(set_difference(B, C), A))))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[59, 51])).
% 1.11/0.96  tff(61,plain,
% 1.11/0.96      ((~empty(A!11)) & (~preboolean(A!11)) & ![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (in(symmetric_difference(B, C), A!11) & in(set_difference(B, C), A!11))))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[60, 50])).
% 1.11/0.96  tff(62,plain,
% 1.11/0.96      (~preboolean(A!11)),
% 1.11/0.96      inference(and_elim,[status(thm)],[61])).
% 1.11/0.96  tff(63,plain,
% 1.11/0.96      ((~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))))) | preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))))),
% 1.11/0.96      inference(tautology,[status(thm)],[])).
% 1.11/0.96  tff(64,plain,
% 1.11/0.96      ((~(preboolean(A!11) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))))) | (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))))),
% 1.11/0.96      inference(unit_resolution,[status(thm)],[63, 62])).
% 1.11/0.96  tff(65,plain,
% 1.11/0.96      (~((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))),
% 1.11/0.96      inference(unit_resolution,[status(thm)],[64, 49])).
% 1.11/0.96  tff(66,plain,
% 1.11/0.96      (((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))) | ((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))),
% 1.11/0.96      inference(tautology,[status(thm)],[])).
% 1.11/0.96  tff(67,plain,
% 1.11/0.96      ((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))),
% 1.11/0.96      inference(unit_resolution,[status(thm)],[66, 65])).
% 1.11/0.96  tff(68,plain,
% 1.11/0.96      (((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))) | in(tptp_fun_B_10(A!11), A!11)),
% 1.11/0.96      inference(tautology,[status(thm)],[])).
% 1.11/0.96  tff(69,plain,
% 1.11/0.96      (in(tptp_fun_B_10(A!11), A!11)),
% 1.11/0.96      inference(unit_resolution,[status(thm)],[68, 65])).
% 1.11/0.96  tff(70,plain,
% 1.11/0.96      (^[A: $i, B: $i] : refl(((~in(A, B)) | element(A, B)) <=> ((~in(A, B)) | element(A, B)))),
% 1.11/0.96      inference(bind,[status(th)],[])).
% 1.11/0.96  tff(71,plain,
% 1.11/0.96      (![A: $i, B: $i] : ((~in(A, B)) | element(A, B)) <=> ![A: $i, B: $i] : ((~in(A, B)) | element(A, B))),
% 1.11/0.96      inference(quant_intro,[status(thm)],[70])).
% 1.11/0.96  tff(72,plain,
% 1.11/0.96      (![A: $i, B: $i] : ((~in(A, B)) | element(A, B)) <=> ![A: $i, B: $i] : ((~in(A, B)) | element(A, B))),
% 1.11/0.96      inference(rewrite,[status(thm)],[])).
% 1.11/0.96  tff(73,plain,
% 1.11/0.96      (^[A: $i, B: $i] : rewrite((in(A, B) => element(A, B)) <=> ((~in(A, B)) | element(A, B)))),
% 1.11/0.96      inference(bind,[status(th)],[])).
% 1.11/0.96  tff(74,plain,
% 1.11/0.96      (![A: $i, B: $i] : (in(A, B) => element(A, B)) <=> ![A: $i, B: $i] : ((~in(A, B)) | element(A, B))),
% 1.11/0.96      inference(quant_intro,[status(thm)],[73])).
% 1.11/0.96  tff(75,axiom,(![A: $i, B: $i] : (in(A, B) => element(A, B))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','t1_subset')).
% 1.11/0.96  tff(76,plain,
% 1.11/0.96      (![A: $i, B: $i] : ((~in(A, B)) | element(A, B))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[75, 74])).
% 1.11/0.96  tff(77,plain,
% 1.11/0.96      (![A: $i, B: $i] : ((~in(A, B)) | element(A, B))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[76, 72])).
% 1.11/0.96  tff(78,plain,(
% 1.11/0.96      ![A: $i, B: $i] : ((~in(A, B)) | element(A, B))),
% 1.11/0.96      inference(skolemize,[status(sab)],[77])).
% 1.11/0.96  tff(79,plain,
% 1.11/0.96      (![A: $i, B: $i] : ((~in(A, B)) | element(A, B))),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[78, 71])).
% 1.11/0.96  tff(80,plain,
% 1.11/0.96      (((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | ((~in(tptp_fun_B_10(A!11), A!11)) | element(tptp_fun_B_10(A!11), A!11))) <=> ((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | (~in(tptp_fun_B_10(A!11), A!11)) | element(tptp_fun_B_10(A!11), A!11))),
% 1.11/0.96      inference(rewrite,[status(thm)],[])).
% 1.11/0.96  tff(81,plain,
% 1.11/0.96      ((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | ((~in(tptp_fun_B_10(A!11), A!11)) | element(tptp_fun_B_10(A!11), A!11))),
% 1.11/0.96      inference(quant_inst,[status(thm)],[])).
% 1.11/0.96  tff(82,plain,
% 1.11/0.96      ((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | (~in(tptp_fun_B_10(A!11), A!11)) | element(tptp_fun_B_10(A!11), A!11)),
% 1.11/0.96      inference(modus_ponens,[status(thm)],[81, 80])).
% 1.11/0.97  tff(83,plain,
% 1.11/0.97      (element(tptp_fun_B_10(A!11), A!11)),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[82, 79, 69])).
% 1.11/0.97  tff(84,plain,
% 1.11/0.97      (^[B: $i] : refl(((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11)))))) <=> ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11)))))))),
% 1.11/0.97      inference(bind,[status(th)],[])).
% 1.11/0.97  tff(85,plain,
% 1.11/0.97      (![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11)))))) <=> ![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))),
% 1.11/0.97      inference(quant_intro,[status(thm)],[84])).
% 1.11/0.97  tff(86,plain,
% 1.11/0.97      (^[B: $i] : rewrite(((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11)))))) <=> ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11)))))))),
% 1.11/0.97      inference(bind,[status(th)],[])).
% 1.11/0.97  tff(87,plain,
% 1.11/0.97      (![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11)))))) <=> ![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))),
% 1.11/0.97      inference(quant_intro,[status(thm)],[86])).
% 1.11/0.97  tff(88,plain,
% 1.11/0.97      (![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11)))))) <=> ![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))),
% 1.11/0.97      inference(transitivity,[status(thm)],[87, 85])).
% 1.11/0.97  tff(89,plain,
% 1.11/0.97      (^[B: $i] : rewrite(((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (in(symmetric_difference(B, C), A!11) & in(set_difference(B, C), A!11)))) <=> ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11)))))))),
% 1.11/0.97      inference(bind,[status(th)],[])).
% 1.11/0.97  tff(90,plain,
% 1.11/0.97      (![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (in(symmetric_difference(B, C), A!11) & in(set_difference(B, C), A!11)))) <=> ![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))),
% 1.11/0.97      inference(quant_intro,[status(thm)],[89])).
% 1.11/0.97  tff(91,plain,
% 1.11/0.97      (![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (in(symmetric_difference(B, C), A!11) & in(set_difference(B, C), A!11))))),
% 1.11/0.97      inference(and_elim,[status(thm)],[61])).
% 1.11/0.97  tff(92,plain,
% 1.11/0.97      (![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))),
% 1.11/0.97      inference(modus_ponens,[status(thm)],[91, 90])).
% 1.11/0.97  tff(93,plain,
% 1.11/0.97      (![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))),
% 1.11/0.97      inference(modus_ponens,[status(thm)],[92, 88])).
% 1.11/0.97  tff(94,plain,
% 1.11/0.97      (((~![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | ((~element(tptp_fun_B_10(A!11), A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11))))))) <=> ((~![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | (~element(tptp_fun_B_10(A!11), A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11))))))),
% 1.11/0.97      inference(rewrite,[status(thm)],[])).
% 1.11/0.97  tff(95,plain,
% 1.11/0.97      ((~![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | ((~element(tptp_fun_B_10(A!11), A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11))))))),
% 1.11/0.97      inference(quant_inst,[status(thm)],[])).
% 1.11/0.97  tff(96,plain,
% 1.11/0.97      ((~![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | (~element(tptp_fun_B_10(A!11), A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11)))))),
% 1.11/0.97      inference(modus_ponens,[status(thm)],[95, 94])).
% 1.11/0.97  tff(97,plain,
% 1.11/0.97      (![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11)))))),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[96, 93, 83])).
% 1.11/0.97  tff(98,plain,
% 1.11/0.97      (((~in(tptp_fun_B_10(A!11), A!11)) | (~in(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))) | in(tptp_fun_C_9(A!11), A!11)),
% 1.11/0.97      inference(tautology,[status(thm)],[])).
% 1.11/0.97  tff(99,plain,
% 1.11/0.97      (in(tptp_fun_C_9(A!11), A!11)),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[98, 65])).
% 1.11/0.97  tff(100,plain,
% 1.11/0.97      (((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | ((~in(tptp_fun_C_9(A!11), A!11)) | element(tptp_fun_C_9(A!11), A!11))) <=> ((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | (~in(tptp_fun_C_9(A!11), A!11)) | element(tptp_fun_C_9(A!11), A!11))),
% 1.11/0.97      inference(rewrite,[status(thm)],[])).
% 1.11/0.97  tff(101,plain,
% 1.11/0.97      ((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | ((~in(tptp_fun_C_9(A!11), A!11)) | element(tptp_fun_C_9(A!11), A!11))),
% 1.11/0.97      inference(quant_inst,[status(thm)],[])).
% 1.11/0.97  tff(102,plain,
% 1.11/0.97      ((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | (~in(tptp_fun_C_9(A!11), A!11)) | element(tptp_fun_C_9(A!11), A!11)),
% 1.11/0.97      inference(modus_ponens,[status(thm)],[101, 100])).
% 1.11/0.97  tff(103,plain,
% 1.11/0.97      (element(tptp_fun_C_9(A!11), A!11)),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[102, 79, 99])).
% 1.11/0.97  tff(104,plain,
% 1.11/0.97      (((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11)))))) | ((~element(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))) <=> ((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11)))))) | (~element(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))),
% 1.11/0.97      inference(rewrite,[status(thm)],[])).
% 1.11/0.97  tff(105,plain,
% 1.11/0.97      (((~element(tptp_fun_C_9(A!11), A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))) <=> ((~element(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))),
% 1.11/0.97      inference(rewrite,[status(thm)],[])).
% 1.11/0.97  tff(106,plain,
% 1.11/0.97      (((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11)))))) | ((~element(tptp_fun_C_9(A!11), A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))) <=> ((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11)))))) | ((~element(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))))),
% 1.11/0.97      inference(monotonicity,[status(thm)],[105])).
% 1.11/0.97  tff(107,plain,
% 1.11/0.97      (((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11)))))) | ((~element(tptp_fun_C_9(A!11), A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))) <=> ((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11)))))) | (~element(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))),
% 1.11/0.97      inference(transitivity,[status(thm)],[106, 104])).
% 1.11/0.97  tff(108,plain,
% 1.11/0.97      ((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11)))))) | ((~element(tptp_fun_C_9(A!11), A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))))),
% 1.11/0.97      inference(quant_inst,[status(thm)],[])).
% 1.11/0.97  tff(109,plain,
% 1.11/0.97      ((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_B_10(A!11), C), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), C), A!11)))))) | (~element(tptp_fun_C_9(A!11), A!11)) | (~((~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))))),
% 1.11/0.97      inference(modus_ponens,[status(thm)],[108, 107])).
% 1.11/0.97  tff(110,plain,
% 1.11/0.97      (~((~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[109, 103, 97])).
% 1.11/0.97  tff(111,plain,
% 1.11/0.97      (((~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(symmetric_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))) | in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)),
% 1.11/0.97      inference(tautology,[status(thm)],[])).
% 1.11/0.97  tff(112,plain,
% 1.11/0.97      (in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[111, 110])).
% 1.11/0.97  tff(113,plain,
% 1.11/0.97      ((~((~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)))) | (~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))),
% 1.11/0.97      inference(tautology,[status(thm)],[])).
% 1.11/0.97  tff(114,plain,
% 1.11/0.97      (~in(set_union2(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[113, 112, 67])).
% 1.11/0.97  tff(115,plain,
% 1.11/0.97      (~in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)),
% 1.11/0.97      inference(modus_ponens,[status(thm)],[114, 24])).
% 1.11/0.97  tff(116,plain,
% 1.11/0.97      (((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | ((~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | element(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))) <=> ((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | element(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))),
% 1.11/0.97      inference(rewrite,[status(thm)],[])).
% 1.11/0.97  tff(117,plain,
% 1.11/0.97      ((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | ((~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | element(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11))),
% 1.11/0.97      inference(quant_inst,[status(thm)],[])).
% 1.11/0.97  tff(118,plain,
% 1.11/0.97      ((~![A: $i, B: $i] : ((~in(A, B)) | element(A, B))) | (~in(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | element(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)),
% 1.11/0.97      inference(modus_ponens,[status(thm)],[117, 116])).
% 1.11/0.97  tff(119,plain,
% 1.11/0.97      (element(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[118, 79, 112])).
% 1.11/0.97  tff(120,plain,
% 1.11/0.97      (((~![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | ((~element(tptp_fun_C_9(A!11), A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), C), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), C), A!11))))))) <=> ((~![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | (~element(tptp_fun_C_9(A!11), A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), C), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), C), A!11))))))),
% 1.11/0.97      inference(rewrite,[status(thm)],[])).
% 1.11/0.97  tff(121,plain,
% 1.11/0.97      ((~![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | ((~element(tptp_fun_C_9(A!11), A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), C), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), C), A!11))))))),
% 1.11/0.97      inference(quant_inst,[status(thm)],[])).
% 1.11/0.97  tff(122,plain,
% 1.11/0.97      ((~![B: $i] : ((~element(B, A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(B, C), A!11)) | (~in(set_difference(B, C), A!11))))))) | (~element(tptp_fun_C_9(A!11), A!11)) | ![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), C), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), C), A!11)))))),
% 1.11/0.97      inference(modus_ponens,[status(thm)],[121, 120])).
% 1.11/0.97  tff(123,plain,
% 1.11/0.97      (![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), C), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), C), A!11)))))),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[122, 93, 103])).
% 1.11/0.97  tff(124,plain,
% 1.11/0.97      (((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), C), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), C), A!11)))))) | ((~element(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)))))) <=> ((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), C), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), C), A!11)))))) | (~element(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)))))),
% 1.11/0.97      inference(rewrite,[status(thm)],[])).
% 1.11/0.97  tff(125,plain,
% 1.11/0.97      ((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), C), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), C), A!11)))))) | ((~element(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)))))),
% 1.11/0.97      inference(quant_inst,[status(thm)],[])).
% 1.11/0.97  tff(126,plain,
% 1.11/0.97      ((~![C: $i] : ((~element(C, A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), C), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), C), A!11)))))) | (~element(set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11)), A!11)) | (~((~in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11))))),
% 1.11/0.97      inference(modus_ponens,[status(thm)],[125, 124])).
% 1.11/0.97  tff(127,plain,
% 1.11/0.97      (~((~in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)))),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[126, 123, 119])).
% 1.11/0.97  tff(128,plain,
% 1.11/0.97      (((~in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)) | (~in(set_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11))) | in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)),
% 1.11/0.97      inference(tautology,[status(thm)],[])).
% 1.11/0.97  tff(129,plain,
% 1.11/0.97      (in(symmetric_difference(tptp_fun_C_9(A!11), set_difference(tptp_fun_B_10(A!11), tptp_fun_C_9(A!11))), A!11)),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[128, 127])).
% 1.11/0.97  tff(130,plain,
% 1.11/0.97      ($false),
% 1.11/0.97      inference(unit_resolution,[status(thm)],[129, 115])).
% 1.11/0.97  % SZS output end Proof
%------------------------------------------------------------------------------