TSTP Solution File: GRP593-1 by Prover9---1109a
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Prover9---1109a
% Problem : GRP593-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm : none
% Format : tptp:raw
% Command : tptp2X_and_run_prover9 %d %s
% Computer : n017.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 : 600s
% DateTime : Sat Jul 16 11:19:46 EDT 2022
% Result : Unsatisfiable 0.74s 1.03s
% Output : Refutation 0.74s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12 % Problem : GRP593-1 : TPTP v8.1.0. Released v2.6.0.
% 0.06/0.12 % Command : tptp2X_and_run_prover9 %d %s
% 0.12/0.34 % Computer : n017.cluster.edu
% 0.12/0.34 % Model : x86_64 x86_64
% 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34 % Memory : 8042.1875MB
% 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 600
% 0.12/0.34 % DateTime : Tue Jun 14 10:02:53 EDT 2022
% 0.12/0.34 % CPUTime :
% 0.74/1.03 ============================== Prover9 ===============================
% 0.74/1.03 Prover9 (32) version 2009-11A, November 2009.
% 0.74/1.03 Process 22410 was started by sandbox on n017.cluster.edu,
% 0.74/1.03 Tue Jun 14 10:02:54 2022
% 0.74/1.03 The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_22044_n017.cluster.edu".
% 0.74/1.03 ============================== end of head ===========================
% 0.74/1.03
% 0.74/1.03 ============================== INPUT =================================
% 0.74/1.03
% 0.74/1.03 % Reading from file /tmp/Prover9_22044_n017.cluster.edu
% 0.74/1.03
% 0.74/1.03 set(prolog_style_variables).
% 0.74/1.03 set(auto2).
% 0.74/1.03 % set(auto2) -> set(auto).
% 0.74/1.03 % set(auto) -> set(auto_inference).
% 0.74/1.03 % set(auto) -> set(auto_setup).
% 0.74/1.03 % set(auto_setup) -> set(predicate_elim).
% 0.74/1.03 % set(auto_setup) -> assign(eq_defs, unfold).
% 0.74/1.03 % set(auto) -> set(auto_limits).
% 0.74/1.03 % set(auto_limits) -> assign(max_weight, "100.000").
% 0.74/1.03 % set(auto_limits) -> assign(sos_limit, 20000).
% 0.74/1.03 % set(auto) -> set(auto_denials).
% 0.74/1.03 % set(auto) -> set(auto_process).
% 0.74/1.03 % set(auto2) -> assign(new_constants, 1).
% 0.74/1.03 % set(auto2) -> assign(fold_denial_max, 3).
% 0.74/1.03 % set(auto2) -> assign(max_weight, "200.000").
% 0.74/1.03 % set(auto2) -> assign(max_hours, 1).
% 0.74/1.03 % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.74/1.03 % set(auto2) -> assign(max_seconds, 0).
% 0.74/1.03 % set(auto2) -> assign(max_minutes, 5).
% 0.74/1.03 % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.74/1.03 % set(auto2) -> set(sort_initial_sos).
% 0.74/1.03 % set(auto2) -> assign(sos_limit, -1).
% 0.74/1.03 % set(auto2) -> assign(lrs_ticks, 3000).
% 0.74/1.03 % set(auto2) -> assign(max_megs, 400).
% 0.74/1.03 % set(auto2) -> assign(stats, some).
% 0.74/1.03 % set(auto2) -> clear(echo_input).
% 0.74/1.03 % set(auto2) -> set(quiet).
% 0.74/1.03 % set(auto2) -> clear(print_initial_clauses).
% 0.74/1.03 % set(auto2) -> clear(print_given).
% 0.74/1.03 assign(lrs_ticks,-1).
% 0.74/1.03 assign(sos_limit,10000).
% 0.74/1.03 assign(order,kbo).
% 0.74/1.03 set(lex_order_vars).
% 0.74/1.03 clear(print_given).
% 0.74/1.03
% 0.74/1.03 % formulas(sos). % not echoed (3 formulas)
% 0.74/1.03
% 0.74/1.03 ============================== end of input ==========================
% 0.74/1.03
% 0.74/1.03 % From the command line: assign(max_seconds, 300).
% 0.74/1.03
% 0.74/1.03 ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.74/1.03
% 0.74/1.03 % Formulas that are not ordinary clauses:
% 0.74/1.03
% 0.74/1.03 ============================== end of process non-clausal formulas ===
% 0.74/1.03
% 0.74/1.03 ============================== PROCESS INITIAL CLAUSES ===============
% 0.74/1.03
% 0.74/1.03 ============================== PREDICATE ELIMINATION =================
% 0.74/1.03
% 0.74/1.03 ============================== end predicate elimination =============
% 0.74/1.03
% 0.74/1.03 Auto_denials:
% 0.74/1.03 % copying label prove_these_axioms_1 to answer in negative clause
% 0.74/1.03
% 0.74/1.03 Term ordering decisions:
% 0.74/1.03
% 0.74/1.03 % Assigning unary symbol inverse kb_weight 0 and highest precedence (6).
% 0.74/1.03 Function symbol KB weights: a1=1. b1=1. double_divide=1. multiply=1. inverse=0.
% 0.74/1.03
% 0.74/1.03 ============================== end of process initial clauses ========
% 0.74/1.03
% 0.74/1.03 ============================== CLAUSES FOR SEARCH ====================
% 0.74/1.03
% 0.74/1.03 ============================== end of clauses for search =============
% 0.74/1.03
% 0.74/1.03 ============================== SEARCH ================================
% 0.74/1.03
% 0.74/1.03 % Starting search at 0.01 seconds.
% 0.74/1.03
% 0.74/1.03 ============================== PROOF =================================
% 0.74/1.03 % SZS status Unsatisfiable
% 0.74/1.03 % SZS output start Refutation
% 0.74/1.03
% 0.74/1.03 % Proof 1 at 0.04 (+ 0.00) seconds: prove_these_axioms_1.
% 0.74/1.03 % Length of proof is 95.
% 0.74/1.03 % Level of proof is 25.
% 0.74/1.03 % Maximum clause weight is 30.000.
% 0.74/1.03 % Given clauses 21.
% 0.74/1.03
% 0.74/1.03 1 multiply(A,B) = inverse(double_divide(B,A)) # label(multiply) # label(axiom). [assumption].
% 0.74/1.03 2 inverse(double_divide(double_divide(A,B),inverse(double_divide(A,inverse(double_divide(C,B)))))) = C # label(single_axiom) # label(axiom). [assumption].
% 0.74/1.03 3 multiply(inverse(a1),a1) != multiply(inverse(b1),b1) # label(prove_these_axioms_1) # label(negated_conjecture) # answer(prove_these_axioms_1). [assumption].
% 0.74/1.03 4 inverse(double_divide(b1,inverse(b1))) != inverse(double_divide(a1,inverse(a1))) # answer(prove_these_axioms_1). [copy(3),rewrite([1(4),1(9)]),flip(a)].
% 0.74/1.03 5 inverse(double_divide(double_divide(A,inverse(double_divide(B,inverse(double_divide(C,D))))),inverse(double_divide(A,C)))) = double_divide(B,D). [para(2(a,1),2(a,1,1,2,1,2))].
% 0.74/1.03 6 inverse(double_divide(double_divide(double_divide(A,B),inverse(double_divide(C,B))),C)) = A. [para(2(a,1),2(a,1,1,2))].
% 0.74/1.03 7 inverse(double_divide(double_divide(A,inverse(double_divide(B,C))),inverse(double_divide(A,double_divide(D,E))))) = double_divide(B,inverse(double_divide(D,inverse(double_divide(C,E))))). [para(5(a,1),2(a,1,1,2,1,2))].
% 0.74/1.03 8 inverse(double_divide(double_divide(double_divide(A,inverse(double_divide(B,inverse(double_divide(C,D))))),C),double_divide(B,D))) = A. [para(5(a,1),2(a,1,1,2))].
% 0.74/1.03 16 double_divide(inverse(double_divide(double_divide(A,inverse(double_divide(B,C))),B)),C) = A. [para(6(a,1),5(a,1)),flip(a)].
% 0.74/1.03 20 inverse(double_divide(double_divide(A,inverse(double_divide(B,C))),B)) = inverse(double_divide(double_divide(D,C),inverse(double_divide(D,inverse(A))))). [para(16(a,1),2(a,1,1,2,1,2,1)),flip(a)].
% 0.74/1.03 21 inverse(double_divide(double_divide(inverse(double_divide(double_divide(A,inverse(double_divide(B,inverse(double_divide(C,D))))),B)),D),inverse(A))) = C. [para(16(a,1),2(a,1,1,2,1))].
% 0.74/1.03 24 inverse(double_divide(double_divide(A,inverse(B)),inverse(double_divide(A,C)))) = double_divide(inverse(double_divide(double_divide(B,inverse(double_divide(D,inverse(double_divide(C,E))))),D)),E). [para(16(a,1),5(a,1,1,1,2,1))].
% 0.74/1.03 28 double_divide(double_divide(inverse(double_divide(A,B)),C),inverse(double_divide(B,C))) = A. [para(5(a,1),16(a,1,1))].
% 0.74/1.03 33 inverse(double_divide(double_divide(A,inverse(double_divide(B,inverse(double_divide(C,D))))),B)) = double_divide(inverse(double_divide(A,C)),D). [para(16(a,1),16(a,1,1,1,1)),flip(a)].
% 0.74/1.03 35 inverse(double_divide(double_divide(A,inverse(B)),inverse(double_divide(A,C)))) = double_divide(double_divide(inverse(double_divide(B,C)),D),D). [back_rewrite(24),rewrite([33(13)])].
% 0.74/1.03 36 inverse(double_divide(double_divide(double_divide(inverse(double_divide(A,B)),C),C),inverse(A))) = B. [back_rewrite(21),rewrite([33(7)])].
% 0.74/1.03 38 inverse(double_divide(double_divide(A,inverse(double_divide(B,C))),inverse(double_divide(A,inverse(D))))) = double_divide(inverse(double_divide(D,B)),C). [para(28(a,1),2(a,1,1,2,1,2,1))].
% 0.74/1.03 46 double_divide(double_divide(A,B),inverse(double_divide(C,B))) = double_divide(double_divide(A,D),inverse(double_divide(C,D))). [para(6(a,1),28(a,1,1,1))].
% 0.74/1.03 52 double_divide(double_divide(inverse(double_divide(A,double_divide(inverse(double_divide(B,C)),D))),inverse(double_divide(C,D))),inverse(B)) = A. [para(28(a,1),28(a,1,2,1))].
% 0.74/1.03 57 inverse(double_divide(double_divide(A,B),inverse(double_divide(A,C)))) = double_divide(double_divide(double_divide(inverse(double_divide(double_divide(C,D),B)),E),E),D). [para(36(a,1),5(a,1,1,1,2))].
% 0.74/1.03 58 inverse(double_divide(double_divide(double_divide(double_divide(inverse(double_divide(A,B)),C),C),inverse(double_divide(D,inverse(double_divide(inverse(A),E))))),B)) = double_divide(D,E). [para(36(a,1),5(a,1,1,2))].
% 0.74/1.03 63 double_divide(inverse(double_divide(A,B)),inverse(double_divide(inverse(A),C))) = double_divide(B,C). [para(36(a,1),16(a,1,1)),flip(a)].
% 0.74/1.03 65 double_divide(double_divide(inverse(double_divide(A,B)),C),C) = double_divide(double_divide(B,D),inverse(double_divide(inverse(A),D))). [para(36(a,1),28(a,1,1,1)),flip(a)].
% 0.74/1.03 71 double_divide(A,inverse(double_divide(B,inverse(double_divide(inverse(double_divide(double_divide(B,C),D)),C))))) = double_divide(A,D). [para(7(a,1),5(a,1))].
% 0.74/1.03 73 inverse(double_divide(double_divide(double_divide(A,inverse(double_divide(B,double_divide(C,D)))),double_divide(E,inverse(double_divide(C,inverse(double_divide(F,D)))))),double_divide(B,inverse(double_divide(E,F))))) = A. [para(7(a,1),6(a,1,1,1,2))].
% 0.74/1.03 77 inverse(double_divide(double_divide(A,inverse(B)),inverse(double_divide(A,double_divide(C,D))))) = double_divide(inverse(double_divide(double_divide(B,inverse(double_divide(E,F))),E)),inverse(double_divide(C,inverse(double_divide(F,D))))). [para(16(a,1),7(a,1,1,1,2,1))].
% 0.74/1.03 79 inverse(double_divide(double_divide(A,inverse(double_divide(B,C))),inverse(double_divide(A,D)))) = double_divide(B,inverse(double_divide(inverse(double_divide(double_divide(D,inverse(double_divide(E,F))),E)),inverse(double_divide(C,F))))). [para(16(a,1),7(a,1,1,2,1,2))].
% 0.74/1.03 85 inverse(double_divide(double_divide(A,B),inverse(double_divide(A,double_divide(C,D))))) = double_divide(double_divide(double_divide(inverse(double_divide(E,B)),F),F),inverse(double_divide(C,inverse(double_divide(inverse(E),D))))). [para(36(a,1),7(a,1,1,1,2))].
% 0.74/1.03 88 double_divide(inverse(double_divide(double_divide(A,B),inverse(C))),B) = inverse(double_divide(C,A)). [para(63(a,1),2(a,1,1,2,1,2,1)),rewrite([38(10)])].
% 0.74/1.03 89 double_divide(inverse(double_divide(A,inverse(double_divide(B,C)))),D) = double_divide(B,inverse(double_divide(inverse(double_divide(A,C)),D))). [para(2(a,1),63(a,1,1)),flip(a)].
% 0.74/1.03 98 double_divide(inverse(double_divide(double_divide(double_divide(double_divide(A,B),inverse(double_divide(C,B))),C),D)),inverse(double_divide(A,E))) = double_divide(D,E). [para(6(a,1),63(a,1,2,1,1))].
% 0.74/1.03 104 inverse(double_divide(double_divide(double_divide(inverse(double_divide(A,B)),C),C),inverse(inverse(double_divide(D,A))))) = inverse(double_divide(inverse(D),B)). [para(63(a,1),36(a,1,1,1,1,1,1))].
% 0.74/1.03 121 inverse(double_divide(double_divide(A,inverse(double_divide(B,C))),A)) = double_divide(B,C). [para(2(a,1),88(a,1,1)),flip(a)].
% 0.74/1.03 132 inverse(double_divide(double_divide(double_divide(double_divide(A,B),inverse(double_divide(C,B))),C),D)) = double_divide(inverse(double_divide(double_divide(D,E),A)),E). [para(6(a,1),88(a,1,1,1,2)),flip(a)].
% 0.74/1.03 133 inverse(double_divide(A,double_divide(B,C))) = double_divide(B,inverse(double_divide(inverse(A),C))). [para(6(a,1),88(a,1,1)),flip(a)].
% 0.74/1.03 134 double_divide(double_divide(A,B),B) = A. [para(6(a,1),88(a,2)),rewrite([89(9),89(7),71(9)])].
% 0.74/1.03 136 inverse(double_divide(double_divide(A,inverse(double_divide(B,C))),inverse(D))) = double_divide(inverse(double_divide(inverse(double_divide(D,A)),B)),C). [para(88(a,1),16(a,1,1,1,1)),flip(a)].
% 0.74/1.03 142 double_divide(inverse(double_divide(A,B)),inverse(double_divide(inverse(double_divide(double_divide(inverse(double_divide(B,C)),D),C)),D))) = inverse(A). [para(28(a,1),88(a,2,1)),rewrite([89(10)])].
% 0.74/1.03 151 double_divide(inverse(double_divide(double_divide(inverse(double_divide(A,B)),C),D)),C) = double_divide(D,inverse(inverse(double_divide(A,B)))). [para(88(a,1),7(a,2,2,1)),rewrite([136(9),134(9),136(11),121(7)])].
% 0.74/1.03 157 double_divide(inverse(double_divide(double_divide(A,B),inverse(C))),inverse(double_divide(inverse(D),B))) = inverse(double_divide(C,inverse(double_divide(D,A)))). [para(63(a,1),88(a,1,1,1,1))].
% 0.74/1.03 165 double_divide(inverse(double_divide(A,B)),inverse(double_divide(C,inverse(double_divide(inverse(A),D))))) = double_divide(C,inverse(double_divide(B,D))). [back_rewrite(85),rewrite([133(4),133(7),63(6),134(7)]),flip(a)].
% 0.74/1.03 170 double_divide(inverse(double_divide(double_divide(A,inverse(double_divide(B,C))),B)),inverse(double_divide(D,inverse(double_divide(C,E))))) = double_divide(D,inverse(double_divide(inverse(A),E))). [back_rewrite(77),rewrite([133(5),133(8),63(7)]),flip(a)].
% 0.74/1.03 173 double_divide(A,double_divide(inverse(double_divide(inverse(double_divide(double_divide(B,C),B)),D)),inverse(double_divide(A,C)))) = D. [back_rewrite(73),rewrite([133(3),133(16),133(12),133(6),136(13),121(5),157(8),136(9)])].
% 0.74/1.03 179 double_divide(double_divide(double_divide(inverse(double_divide(A,B)),inverse(double_divide(inverse(C),D))),inverse(double_divide(B,D))),inverse(A)) = C. [back_rewrite(52),rewrite([133(5)])].
% 0.74/1.03 190 double_divide(A,inverse(double_divide(inverse(double_divide(double_divide(B,inverse(double_divide(A,inverse(double_divide(C,D))))),C)),D))) = B. [back_rewrite(8),rewrite([133(9)])].
% 0.74/1.03 193 inverse(double_divide(inverse(double_divide(A,B)),inverse(inverse(double_divide(C,A))))) = inverse(double_divide(inverse(C),B)). [back_rewrite(104),rewrite([134(4)])].
% 0.74/1.03 196 double_divide(double_divide(A,B),inverse(double_divide(inverse(C),B))) = inverse(double_divide(C,A)). [back_rewrite(65),rewrite([134(4)]),flip(a)].
% 0.74/1.03 199 inverse(double_divide(double_divide(A,inverse(double_divide(B,C))),B)) = double_divide(A,C). [back_rewrite(58),rewrite([134(4),165(8)])].
% 0.74/1.03 200 inverse(double_divide(double_divide(A,B),inverse(double_divide(A,C)))) = double_divide(inverse(double_divide(double_divide(C,D),B)),D). [back_rewrite(57),rewrite([134(10)])].
% 0.74/1.03 204 inverse(double_divide(double_divide(A,inverse(B)),inverse(double_divide(A,C)))) = inverse(double_divide(B,C)). [back_rewrite(35),rewrite([134(10)])].
% 0.74/1.03 207 double_divide(A,inverse(double_divide(double_divide(B,C),inverse(double_divide(D,C))))) = inverse(double_divide(double_divide(A,D),B)). [back_rewrite(79),rewrite([204(7),199(8)]),flip(a)].
% 0.74/1.03 208 inverse(double_divide(double_divide(A,B),inverse(C))) = double_divide(inverse(double_divide(C,A)),B). [back_rewrite(38),rewrite([204(8)])].
% 0.74/1.03 213 double_divide(inverse(double_divide(A,B)),inverse(double_divide(C,inverse(inverse(double_divide(B,C)))))) = inverse(A). [back_rewrite(142),rewrite([151(8)])].
% 0.74/1.03 221 double_divide(double_divide(A,B),inverse(double_divide(C,inverse(double_divide(B,D))))) = double_divide(C,inverse(double_divide(inverse(A),D))). [back_rewrite(170),rewrite([199(5)])].
% 0.74/1.03 225 double_divide(inverse(double_divide(A,B)),C) = double_divide(A,inverse(double_divide(B,C))). [back_rewrite(33),rewrite([199(7)]),flip(a)].
% 0.74/1.03 226 double_divide(double_divide(A,inverse(B)),inverse(double_divide(A,C))) = double_divide(B,C). [back_rewrite(20),rewrite([199(5),208(7),225(6)]),flip(a)].
% 0.74/1.03 227 double_divide(A,double_divide(double_divide(B,C),inverse(double_divide(D,C)))) = inverse(double_divide(double_divide(A,B),D)). [back_rewrite(207),rewrite([208(5),225(4)])].
% 0.74/1.03 228 double_divide(double_divide(A,B),inverse(double_divide(C,B))) = double_divide(double_divide(D,A),inverse(double_divide(D,C))). [back_rewrite(200),rewrite([208(5),225(4),225(8)]),flip(a)].
% 0.74/1.03 230 double_divide(double_divide(A,inverse(double_divide(B,C))),inverse(double_divide(inverse(D),C))) = inverse(double_divide(A,inverse(double_divide(D,B)))). [back_rewrite(157),rewrite([208(4),225(3)])].
% 0.74/1.03 235 double_divide(double_divide(A,inverse(double_divide(B,C))),C) = inverse(double_divide(A,B)). [back_rewrite(88),rewrite([208(4),225(3)])].
% 0.74/1.03 245 double_divide(A,inverse(double_divide(B,inverse(double_divide(C,inverse(inverse(double_divide(B,C)))))))) = inverse(A). [back_rewrite(213),rewrite([225(8)])].
% 0.74/1.03 247 inverse(double_divide(double_divide(A,B),inverse(C))) = double_divide(C,inverse(double_divide(A,B))). [back_rewrite(208),rewrite([225(7)])].
% 0.74/1.03 248 inverse(double_divide(A,inverse(double_divide(B,inverse(inverse(double_divide(C,A))))))) = inverse(double_divide(inverse(C),B)). [back_rewrite(193),rewrite([225(6)])].
% 0.74/1.03 250 double_divide(A,inverse(inverse(double_divide(B,A)))) = B. [back_rewrite(190),rewrite([225(8),235(8)])].
% 0.74/1.03 255 double_divide(double_divide(double_divide(A,inverse(double_divide(B,inverse(double_divide(inverse(C),D))))),inverse(double_divide(B,D))),inverse(A)) = C. [back_rewrite(179),rewrite([225(6)])].
% 0.74/1.03 256 double_divide(A,double_divide(double_divide(double_divide(B,C),inverse(double_divide(B,D))),inverse(double_divide(A,D)))) = C. [back_rewrite(173),rewrite([225(4),247(5)])].
% 0.74/1.03 267 double_divide(double_divide(A,inverse(double_divide(B,C))),inverse(double_divide(D,C))) = double_divide(D,inverse(inverse(double_divide(A,B)))). [back_rewrite(151),rewrite([225(3),225(6)])].
% 0.74/1.03 271 inverse(double_divide(double_divide(double_divide(double_divide(A,B),inverse(double_divide(C,B))),C),D)) = double_divide(double_divide(D,E),inverse(double_divide(A,E))). [back_rewrite(132),rewrite([225(11)])].
% 0.74/1.03 276 double_divide(double_divide(double_divide(double_divide(A,B),inverse(double_divide(C,B))),C),inverse(double_divide(D,inverse(double_divide(A,E))))) = double_divide(D,E). [back_rewrite(98),rewrite([225(10)])].
% 0.74/1.03 280 double_divide(A,inverse(inverse(double_divide(double_divide(B,C),B)))) = double_divide(A,C). [back_rewrite(71),rewrite([225(4),247(5),227(5)])].
% 0.74/1.03 286 double_divide(A,inverse(double_divide(B,inverse(B)))) = inverse(A). [back_rewrite(245),rewrite([250(4)])].
% 0.74/1.03 288 double_divide(A,double_divide(A,B)) = B. [back_rewrite(256),rewrite([267(7),280(5)])].
% 0.74/1.03 289 inverse(double_divide(A,inverse(double_divide(B,C)))) = double_divide(inverse(B),inverse(inverse(double_divide(A,C)))). [back_rewrite(230),rewrite([267(7)]),flip(a)].
% 0.74/1.03 295 double_divide(double_divide(double_divide(double_divide(A,B),inverse(double_divide(C,B))),C),double_divide(inverse(A),inverse(inverse(double_divide(D,E))))) = double_divide(D,E). [back_rewrite(276),rewrite([289(9)])].
% 0.74/1.03 309 double_divide(double_divide(double_divide(A,double_divide(inverse(inverse(B)),inverse(inverse(double_divide(C,D))))),inverse(double_divide(C,D))),inverse(A)) = B. [back_rewrite(255),rewrite([289(5)])].
% 0.74/1.03 312 inverse(double_divide(inverse(A),B)) = double_divide(inverse(B),inverse(inverse(A))). [back_rewrite(248),rewrite([289(7),250(5)]),flip(a)].
% 0.74/1.03 323 double_divide(double_divide(A,B),double_divide(inverse(B),inverse(inverse(double_divide(C,D))))) = double_divide(C,double_divide(inverse(D),inverse(inverse(A)))). [back_rewrite(221),rewrite([289(5),312(10)])].
% 0.74/1.03 350 double_divide(double_divide(A,B),double_divide(inverse(B),inverse(inverse(C)))) = inverse(double_divide(C,A)). [back_rewrite(196),rewrite([312(4)])].
% 0.74/1.03 355 inverse(double_divide(double_divide(A,B),C)) = double_divide(A,double_divide(inverse(B),inverse(inverse(C)))). [back_rewrite(323),rewrite([350(7)])].
% 0.74/1.03 365 double_divide(double_divide(double_divide(A,B),inverse(double_divide(C,B))),double_divide(inverse(C),inverse(inverse(D)))) = double_divide(double_divide(D,E),inverse(double_divide(A,E))). [back_rewrite(271),rewrite([355(7)])].
% 0.74/1.03 374 double_divide(double_divide(A,B),A) = B. [para(134(a,1),288(a,1,2))].
% 0.74/1.03 378 double_divide(double_divide(A,B),double_divide(C,double_divide(inverse(D),inverse(inverse(B))))) = double_divide(double_divide(A,D),inverse(C)). [para(134(a,1),46(a,1,2,1)),rewrite([355(7)]),flip(a)].
% 0.74/1.03 381 double_divide(double_divide(A,double_divide(B,C)),inverse(C)) = double_divide(double_divide(A,D),inverse(double_divide(B,D))). [para(288(a,1),46(a,1,2,1))].
% 0.74/1.03 383 double_divide(double_divide(A,inverse(double_divide(B,C))),double_divide(inverse(B),inverse(inverse(D)))) = double_divide(double_divide(A,C),inverse(D)). [para(46(a,1),46(a,1,2,1)),rewrite([289(8),134(6),355(12),378(15)])].
% 0.74/1.03 387 double_divide(double_divide(A,B),inverse(double_divide(C,B))) = double_divide(C,inverse(A)). [back_rewrite(365),rewrite([383(9),134(2)]),flip(a)].
% 0.74/1.03 390 double_divide(double_divide(A,double_divide(B,C)),inverse(C)) = double_divide(B,inverse(A)). [back_rewrite(381),rewrite([387(8)])].
% 0.74/1.03 395 inverse(inverse(double_divide(A,B))) = double_divide(A,B). [back_rewrite(295),rewrite([387(4),374(3),288(7)])].
% 0.74/1.03 396 double_divide(double_divide(A,B),inverse(double_divide(A,C))) = double_divide(C,inverse(B)). [back_rewrite(228),rewrite([387(4)]),flip(a)].
% 0.74/1.03 407 inverse(inverse(A)) = A. [back_rewrite(309),rewrite([395(5),390(8),134(6)])].
% 0.74/1.03 434 double_divide(A,B) = double_divide(B,A). [back_rewrite(226),rewrite([396(5),407(2)])].
% 0.74/1.03 454 inverse(double_divide(A,inverse(B))) = double_divide(B,inverse(A)). [back_rewrite(312),rewrite([434(2),407(6),434(5)])].
% 0.74/1.03 471 double_divide(A,double_divide(B,inverse(B))) = inverse(A). [back_rewrite(286),rewrite([454(3)])].
% 0.74/1.03 473 double_divide(b1,inverse(b1)) != double_divide(a1,inverse(a1)) # answer(prove_these_axioms_1). [back_rewrite(4),rewrite([454(5),454(9)])].
% 0.74/1.03 487 double_divide(A,inverse(A)) = double_divide(B,inverse(B)). [para(471(a,1),288(a,1,2))].
% 0.74/1.03 488 $F # answer(prove_these_axioms_1). [resolve(487,a,473,a)].
% 0.74/1.03
% 0.74/1.03 % SZS output end Refutation
% 0.74/1.03 ============================== end of proof ==========================
% 0.74/1.03
% 0.74/1.03 ============================== STATISTICS ============================
% 0.74/1.03
% 0.74/1.03 Given=21. Generated=766. Kept=486. proofs=1.
% 0.74/1.03 Usable=8. Sos=40. Demods=35. Limbo=0, Disabled=440. Hints=0.
% 0.74/1.03 Megabytes=0.45.
% 0.74/1.03 User_CPU=0.04, System_CPU=0.00, Wall_clock=0.
% 0.74/1.03
% 0.74/1.03 ============================== end of statistics =====================
% 0.74/1.03
% 0.74/1.03 ============================== end of search =========================
% 0.74/1.03
% 0.74/1.03 THEOREM PROVED
% 0.74/1.03 % SZS status Unsatisfiable
% 0.74/1.03
% 0.74/1.03 Exiting with 1 proof.
% 0.74/1.03
% 0.74/1.03 Process 22410 exit (max_proofs) Tue Jun 14 10:02:54 2022
% 0.74/1.03 Prover9 interrupted
%------------------------------------------------------------------------------