TSTP Solution File: GRP427-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP427-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n021.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 11:19:03 EDT 2022

% Result   : Unsatisfiable 1.54s 1.80s
% Output   : Refutation 1.54s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : GRP427-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.14  % Command  : tptp2X_and_run_prover9 %d %s
% 0.14/0.35  % Computer : n021.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Tue Jun 14 07:35:27 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 1.54/1.80  ============================== Prover9 ===============================
% 1.54/1.80  Prover9 (32) version 2009-11A, November 2009.
% 1.54/1.80  Process 28201 was started by sandbox2 on n021.cluster.edu,
% 1.54/1.80  Tue Jun 14 07:35:28 2022
% 1.54/1.80  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_28048_n021.cluster.edu".
% 1.54/1.80  ============================== end of head ===========================
% 1.54/1.80  
% 1.54/1.80  ============================== INPUT =================================
% 1.54/1.80  
% 1.54/1.80  % Reading from file /tmp/Prover9_28048_n021.cluster.edu
% 1.54/1.80  
% 1.54/1.80  set(prolog_style_variables).
% 1.54/1.80  set(auto2).
% 1.54/1.80      % set(auto2) -> set(auto).
% 1.54/1.80      % set(auto) -> set(auto_inference).
% 1.54/1.80      % set(auto) -> set(auto_setup).
% 1.54/1.80      % set(auto_setup) -> set(predicate_elim).
% 1.54/1.80      % set(auto_setup) -> assign(eq_defs, unfold).
% 1.54/1.80      % set(auto) -> set(auto_limits).
% 1.54/1.80      % set(auto_limits) -> assign(max_weight, "100.000").
% 1.54/1.80      % set(auto_limits) -> assign(sos_limit, 20000).
% 1.54/1.80      % set(auto) -> set(auto_denials).
% 1.54/1.80      % set(auto) -> set(auto_process).
% 1.54/1.80      % set(auto2) -> assign(new_constants, 1).
% 1.54/1.80      % set(auto2) -> assign(fold_denial_max, 3).
% 1.54/1.80      % set(auto2) -> assign(max_weight, "200.000").
% 1.54/1.80      % set(auto2) -> assign(max_hours, 1).
% 1.54/1.80      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 1.54/1.80      % set(auto2) -> assign(max_seconds, 0).
% 1.54/1.80      % set(auto2) -> assign(max_minutes, 5).
% 1.54/1.80      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 1.54/1.80      % set(auto2) -> set(sort_initial_sos).
% 1.54/1.80      % set(auto2) -> assign(sos_limit, -1).
% 1.54/1.80      % set(auto2) -> assign(lrs_ticks, 3000).
% 1.54/1.80      % set(auto2) -> assign(max_megs, 400).
% 1.54/1.80      % set(auto2) -> assign(stats, some).
% 1.54/1.80      % set(auto2) -> clear(echo_input).
% 1.54/1.80      % set(auto2) -> set(quiet).
% 1.54/1.80      % set(auto2) -> clear(print_initial_clauses).
% 1.54/1.80      % set(auto2) -> clear(print_given).
% 1.54/1.80  assign(lrs_ticks,-1).
% 1.54/1.80  assign(sos_limit,10000).
% 1.54/1.80  assign(order,kbo).
% 1.54/1.80  set(lex_order_vars).
% 1.54/1.80  clear(print_given).
% 1.54/1.80  
% 1.54/1.80  % formulas(sos).  % not echoed (2 formulas)
% 1.54/1.80  
% 1.54/1.80  ============================== end of input ==========================
% 1.54/1.80  
% 1.54/1.80  % From the command line: assign(max_seconds, 300).
% 1.54/1.80  
% 1.54/1.80  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 1.54/1.80  
% 1.54/1.80  % Formulas that are not ordinary clauses:
% 1.54/1.80  
% 1.54/1.80  ============================== end of process non-clausal formulas ===
% 1.54/1.80  
% 1.54/1.80  ============================== PROCESS INITIAL CLAUSES ===============
% 1.54/1.80  
% 1.54/1.80  ============================== PREDICATE ELIMINATION =================
% 1.54/1.80  
% 1.54/1.80  ============================== end predicate elimination =============
% 1.54/1.80  
% 1.54/1.80  Auto_denials:
% 1.54/1.80    % copying label prove_these_axioms_1 to answer in negative clause
% 1.54/1.80  
% 1.54/1.80  Term ordering decisions:
% 1.54/1.80  
% 1.54/1.80  % Assigning unary symbol inverse kb_weight 0 and highest precedence (5).
% 1.54/1.80  Function symbol KB weights:  a1=1. b1=1. multiply=1. inverse=0.
% 1.54/1.80  
% 1.54/1.80  ============================== end of process initial clauses ========
% 1.54/1.80  
% 1.54/1.80  ============================== CLAUSES FOR SEARCH ====================
% 1.54/1.80  
% 1.54/1.80  ============================== end of clauses for search =============
% 1.54/1.80  
% 1.54/1.80  ============================== SEARCH ================================
% 1.54/1.80  
% 1.54/1.80  % Starting search at 0.01 seconds.
% 1.54/1.80  
% 1.54/1.80  ============================== PROOF =================================
% 1.54/1.80  % SZS status Unsatisfiable
% 1.54/1.80  % SZS output start Refutation
% 1.54/1.80  
% 1.54/1.80  % Proof 1 at 0.79 (+ 0.01) seconds: prove_these_axioms_1.
% 1.54/1.80  % Length of proof is 101.
% 1.54/1.80  % Level of proof is 31.
% 1.54/1.80  % Maximum clause weight is 54.000.
% 1.54/1.80  % Given clauses 41.
% 1.54/1.80  
% 1.54/1.80  1 multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(B),multiply(inverse(A),C))),D),inverse(multiply(B,D))))) = C # label(single_axiom) # label(axiom).  [assumption].
% 1.54/1.80  2 multiply(inverse(a1),a1) != multiply(inverse(b1),b1) # label(prove_these_axioms_1) # label(negated_conjecture) # answer(prove_these_axioms_1).  [assumption].
% 1.54/1.80  3 multiply(inverse(b1),b1) != multiply(inverse(a1),a1) # answer(prove_these_axioms_1).  [copy(2),flip(a)].
% 1.54/1.80  4 multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(B),C)),D),inverse(multiply(B,D))))) = inverse(multiply(multiply(inverse(multiply(inverse(E),multiply(inverse(inverse(A)),C))),F),inverse(multiply(E,F)))).  [para(1(a,1),1(a,1,2,1,1,1,1,2))].
% 1.54/1.80  5 multiply(A,inverse(multiply(B,inverse(multiply(C,inverse(multiply(multiply(inverse(multiply(inverse(D),multiply(inverse(inverse(multiply(inverse(C),multiply(inverse(A),E)))),B))),F),inverse(multiply(D,F))))))))) = E.  [para(1(a,1),1(a,1,2,1,1))].
% 1.54/1.80  7 multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(B),inverse(multiply(multiply(inverse(multiply(inverse(C),multiply(inverse(inverse(inverse(A))),D))),E),inverse(multiply(C,E)))))),F),inverse(multiply(B,F))))) = inverse(multiply(multiply(inverse(multiply(inverse(V6),D)),V7),inverse(multiply(V6,V7)))).  [para(4(a,1),1(a,1,2,1,1,1,1,2))].
% 1.54/1.80  11 inverse(multiply(multiply(inverse(multiply(inverse(A),multiply(inverse(inverse(B)),multiply(inverse(B),C)))),D),inverse(multiply(A,D)))) = C.  [para(4(a,1),1(a,1))].
% 1.54/1.80  15 multiply(inverse(A),multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(B),C)),D),inverse(multiply(B,D)))))) = C.  [para(4(a,2),1(a,1,2))].
% 1.54/1.80  82 multiply(inverse(inverse(A)),multiply(inverse(A),B)) = multiply(inverse(C),multiply(C,B)).  [para(11(a,1),15(a,1,2,2)),flip(a)].
% 1.54/1.80  86 inverse(multiply(multiply(inverse(multiply(inverse(A),multiply(inverse(B),multiply(B,C)))),D),inverse(multiply(A,D)))) = C.  [para(11(a,1),11(a,1,1,1,1,1,2,1,1)),rewrite([11(15)])].
% 1.54/1.80  88 multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(B),multiply(B,C))),D),inverse(multiply(inverse(A),D))))) = C.  [para(82(a,1),1(a,1,2,1,1,1,1))].
% 1.54/1.80  110 multiply(inverse(A),multiply(A,B)) = multiply(inverse(C),multiply(C,B)).  [para(82(a,1),82(a,1))].
% 1.54/1.80  120 multiply(inverse(A),multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(B),multiply(B,C))),D),inverse(multiply(E,D)))))) = multiply(E,C).  [para(110(a,1),15(a,1,2,2,1,1,1,1))].
% 1.54/1.80  121 multiply(inverse(A),multiply(A,inverse(multiply(multiply(inverse(B),multiply(B,C)),inverse(multiply(D,multiply(multiply(inverse(D),E),C))))))) = E.  [para(110(a,1),15(a,1,2,2,1,1))].
% 1.54/1.80  123 multiply(inverse(inverse(A)),multiply(inverse(B),multiply(B,C))) = multiply(inverse(D),multiply(D,multiply(A,C))).  [para(110(a,1),110(a,1,2))].
% 1.54/1.80  187 multiply(inverse(inverse(A)),multiply(inverse(B),multiply(B,C))) = multiply(inverse(inverse(A)),multiply(inverse(D),multiply(D,C))).  [para(110(a,1),123(a,2,2))].
% 1.54/1.80  224 inverse(multiply(multiply(inverse(A),multiply(A,B)),inverse(multiply(C,multiply(multiply(inverse(C),multiply(inverse(D),multiply(D,E))),B))))) = E.  [para(110(a,1),86(a,1,1,1))].
% 1.54/1.80  261 multiply(A,inverse(multiply(multiply(inverse(B),multiply(B,C)),inverse(multiply(inverse(A),multiply(multiply(inverse(D),multiply(D,E)),C)))))) = E.  [para(110(a,1),88(a,1,2,1,1))].
% 1.54/1.80  418 multiply(inverse(A),multiply(inverse(B),multiply(B,C))) = multiply(inverse(A),multiply(inverse(D),multiply(D,C))).  [para(86(a,1),187(a,1,1,1)),rewrite([86(16)])].
% 1.54/1.80  438 multiply(A,multiply(inverse(B),multiply(B,C))) = multiply(A,multiply(inverse(D),multiply(D,C))).  [para(86(a,1),418(a,1,1)),rewrite([86(15)])].
% 1.54/1.80  445 multiply(inverse(A),multiply(A,multiply(inverse(B),multiply(B,C)))) = multiply(inverse(D),multiply(D,multiply(inverse(E),multiply(E,C)))).  [para(438(a,1),110(a,1,2))].
% 1.54/1.80  1173 inverse(multiply(multiply(inverse(A),multiply(A,B)),inverse(multiply(inverse(inverse(C)),multiply(multiply(inverse(D),multiply(D,multiply(inverse(E),multiply(E,F)))),B))))) = multiply(C,F).  [para(445(a,1),224(a,1,1,2,1,2,1))].
% 1.54/1.80  1236 multiply(multiply(inverse(A),multiply(A,B)),inverse(multiply(C,inverse(C)))) = B.  [para(15(a,1),261(a,1,2,1,2,1)),rewrite([15(14)])].
% 1.54/1.80  1313 multiply(A,inverse(multiply(B,inverse(B)))) = inverse(multiply(multiply(inverse(multiply(inverse(C),A)),D),inverse(multiply(C,D)))).  [para(4(a,1),1236(a,1,1,2)),rewrite([1(13)])].
% 1.54/1.80  1323 multiply(inverse(inverse(A)),multiply(inverse(multiply(inverse(B),multiply(B,C))),C)) = multiply(inverse(D),multiply(D,multiply(A,inverse(multiply(E,inverse(E)))))).  [para(1236(a,1),123(a,1,2,2))].
% 1.54/1.80  1336 multiply(inverse(A),multiply(A,multiply(inverse(multiply(inverse(B),multiply(B,C))),C))) = multiply(inverse(D),multiply(D,multiply(inverse(E),multiply(E,inverse(multiply(F,inverse(F))))))).  [para(1236(a,1),445(a,1,2,2,2))].
% 1.54/1.80  1350 multiply(inverse(multiply(inverse(A),multiply(A,B))),B) = multiply(inverse(multiply(inverse(C),multiply(C,D))),D).  [para(1236(a,1),120(a,1,2))].
% 1.54/1.80  1357 multiply(inverse(A),multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(B),multiply(B,C))),C),inverse(multiply(D,multiply(multiply(inverse(D),E),inverse(multiply(F,inverse(F)))))))))) = E.  [para(1236(a,1),121(a,1,2,2,1,1,2))].
% 1.54/1.80  1586 multiply(inverse(A),multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(B),multiply(B,C))),C),inverse(multiply(D,E)))))) = multiply(D,E).  [para(1350(a,1),15(a,1,2,2,1,1))].
% 1.54/1.80  1588 multiply(inverse(inverse(A)),multiply(inverse(multiply(inverse(B),multiply(B,C))),C)) = A.  [para(1350(a,1),15(a,1,2)),rewrite([15(11)])].
% 1.54/1.80  1650 multiply(A,multiply(multiply(inverse(A),B),inverse(multiply(C,inverse(C))))) = B.  [back_rewrite(1357),rewrite([1586(18)])].
% 1.54/1.80  1652 multiply(inverse(A),multiply(A,multiply(B,inverse(multiply(C,inverse(C)))))) = B.  [back_rewrite(1323),rewrite([1588(8)]),flip(a)].
% 1.54/1.80  1743 multiply(inverse(A),multiply(A,multiply(B,multiply(C,inverse(multiply(D,inverse(D))))))) = multiply(inverse(inverse(B)),C).  [para(1652(a,1),110(a,1,2)),flip(a)].
% 1.54/1.80  1764 multiply(inverse(inverse(inverse(A))),A) = multiply(inverse(inverse(inverse(B))),B).  [para(1652(a,1),445(a,1,2)),rewrite([1743(13)])].
% 1.54/1.80  1798 multiply(A,inverse(multiply(B,inverse(B)))) = multiply(A,inverse(multiply(C,inverse(C)))).  [para(1652(a,1),1236(a,1,1))].
% 1.54/1.80  1800 multiply(inverse(A),multiply(A,multiply(inverse(multiply(inverse(B),multiply(B,C))),C))) = inverse(multiply(inverse(D),multiply(D,inverse(multiply(E,inverse(E)))))).  [para(1350(a,1),1652(a,1,2,2))].
% 1.54/1.80  1802 multiply(inverse(inverse(inverse(A))),A) = multiply(inverse(B),multiply(B,multiply(inverse(multiply(inverse(C),multiply(C,D))),D))).  [back_rewrite(1336),rewrite([1743(17)]),flip(a)].
% 1.54/1.80  1803 multiply(inverse(inverse(inverse(A))),A) = c_0.  [new_symbol(1764)].
% 1.54/1.80  1804 multiply(inverse(A),multiply(A,multiply(inverse(multiply(inverse(B),multiply(B,C))),C))) = c_0.  [back_rewrite(1802),rewrite([1803(4)]),flip(a)].
% 1.54/1.80  1806 inverse(multiply(inverse(A),multiply(A,inverse(multiply(B,inverse(B)))))) = c_0.  [back_rewrite(1800),rewrite([1804(8)]),flip(a)].
% 1.54/1.80  1823 multiply(inverse(A),multiply(A,B)) = multiply(inverse(inverse(inverse(inverse(B)))),c_0).  [para(1803(a,1),110(a,1,2)),flip(a)].
% 1.54/1.80  1828 multiply(inverse(inverse(inverse(inverse(multiply(A,B))))),c_0) = multiply(inverse(inverse(A)),multiply(inverse(inverse(inverse(inverse(B)))),c_0)).  [para(1803(a,1),123(a,1,2,2)),rewrite([1823(13)]),flip(a)].
% 1.54/1.80  1848 multiply(inverse(inverse(inverse(inverse(inverse(multiply(multiply(inverse(multiply(inverse(inverse(inverse(inverse(A)))),c_0)),B),inverse(c_0))))))),c_0) = multiply(inverse(inverse(inverse(B))),A).  [para(1803(a,1),120(a,1,2,2,1,2,1)),rewrite([1823(4),1823(15)])].
% 1.54/1.80  1857 multiply(inverse(inverse(inverse(inverse(inverse(multiply(multiply(inverse(inverse(inverse(inverse(A)))),c_0),inverse(multiply(B,multiply(multiply(inverse(B),C),A))))))))),c_0) = C.  [para(1803(a,1),121(a,1,2,2,1,1,2)),rewrite([1823(16)])].
% 1.54/1.80  1863 multiply(inverse(inverse(multiply(multiply(inverse(inverse(inverse(inverse(A)))),c_0),B))),inverse(multiply(multiply(inverse(inverse(inverse(inverse(B)))),c_0),inverse(c_0)))) = A.  [para(1803(a,1),261(a,1,2,1,2,1)),rewrite([1823(3),1823(12)])].
% 1.54/1.80  1866 multiply(inverse(inverse(A)),multiply(c_0,inverse(multiply(B,inverse(B))))) = A.  [para(1803(a,1),1650(a,1,2,1))].
% 1.54/1.80  1871 inverse(multiply(inverse(inverse(inverse(inverse(inverse(multiply(A,inverse(A))))))),c_0)) = c_0.  [back_rewrite(1806),rewrite([1823(6)])].
% 1.54/1.80  2252 inverse(multiply(multiply(inverse(inverse(inverse(inverse(A)))),c_0),inverse(multiply(inverse(inverse(B)),multiply(multiply(inverse(inverse(inverse(inverse(inverse(inverse(C)))))),multiply(inverse(inverse(inverse(inverse(c_0)))),c_0)),A))))) = multiply(B,C).  [back_rewrite(1173),rewrite([1823(3),1823(12),1823(17),1828(20)])].
% 1.54/1.80  2937 multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(B),C)),D),inverse(multiply(B,D))))) = inverse(multiply(multiply(inverse(multiply(inverse(inverse(inverse(E))),multiply(inverse(inverse(A)),C))),multiply(c_0,inverse(multiply(F,inverse(F))))),inverse(E))).  [para(1866(a,1),4(a,2,1,2,1))].
% 1.54/1.80  2941 multiply(inverse(A),inverse(multiply(B,inverse(multiply(C,inverse(multiply(multiply(inverse(multiply(inverse(D),multiply(inverse(inverse(multiply(inverse(C),A))),B))),E),inverse(multiply(D,E))))))))) = multiply(c_0,inverse(multiply(F,inverse(F)))).  [para(1866(a,1),5(a,1,2,1,2,1,2,1,1,1,1,2,1,1,1,2))].
% 1.54/1.80  2949 multiply(multiply(inverse(multiply(inverse(A),B)),C),inverse(multiply(A,C))) = multiply(inverse(multiply(D,inverse(multiply(multiply(inverse(multiply(inverse(E),inverse(multiply(multiply(inverse(multiply(inverse(F),multiply(inverse(inverse(inverse(D))),B))),V6),inverse(multiply(F,V6)))))),V7),inverse(multiply(E,V7)))))),multiply(c_0,inverse(multiply(V8,inverse(V8))))).  [para(7(a,2),1866(a,1,1,1)),flip(a)].
% 1.54/1.80  2956 multiply(inverse(inverse(inverse(inverse(inverse(multiply(A,inverse(A))))))),c_0) = multiply(c_0,inverse(multiply(B,inverse(B)))).  [para(1866(a,1),1650(a,1,2,1)),rewrite([1823(6)])].
% 1.54/1.80  2957 inverse(multiply(c_0,inverse(multiply(A,inverse(A))))) = c_0.  [para(1866(a,1),1803(a,1))].
% 1.54/1.80  2969 multiply(multiply(c_0,inverse(multiply(A,inverse(A)))),inverse(multiply(multiply(inverse(multiply(inverse(B),C)),D),inverse(multiply(B,D))))) = inverse(multiply(multiply(inverse(multiply(inverse(E),multiply(inverse(c_0),C))),F),inverse(multiply(E,F)))).  [para(2957(a,1),4(a,2,1,1,1,1,2,1,1))].
% 1.54/1.80  2970 multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(B),C)),D),inverse(multiply(B,D))))) = inverse(multiply(multiply(inverse(multiply(inverse(c_0),multiply(inverse(inverse(A)),C))),inverse(multiply(E,inverse(E)))),c_0)).  [para(2957(a,1),4(a,2,1,2))].
% 1.54/1.80  2979 multiply(multiply(c_0,inverse(multiply(A,inverse(A)))),inverse(multiply(multiply(inverse(multiply(inverse(B),inverse(multiply(multiply(inverse(multiply(inverse(C),multiply(inverse(inverse(c_0)),D))),E),inverse(multiply(C,E)))))),F),inverse(multiply(B,F))))) = inverse(multiply(multiply(inverse(multiply(inverse(V6),D)),V7),inverse(multiply(V6,V7)))).  [para(2957(a,1),7(a,1,2,1,1,1,1,2,1,1,1,1,2,1,1,1))].
% 1.54/1.80  2981 multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(c_0),inverse(multiply(multiply(inverse(multiply(inverse(B),multiply(inverse(inverse(inverse(A))),C))),D),inverse(multiply(B,D)))))),inverse(multiply(E,inverse(E)))),c_0))) = inverse(multiply(multiply(inverse(multiply(inverse(F),C)),V6),inverse(multiply(F,V6)))).  [para(2957(a,1),7(a,1,2,1,2))].
% 1.54/1.80  2998 multiply(inverse(inverse(A)),multiply(c_0,inverse(multiply(multiply(c_0,inverse(multiply(B,inverse(B)))),c_0)))) = A.  [para(2957(a,1),1866(a,1,2,2,1,2))].
% 1.54/1.80  3008 multiply(c_0,multiply(multiply(c_0,inverse(multiply(A,inverse(A)))),B)) = multiply(inverse(inverse(inverse(inverse(B)))),c_0).  [para(2957(a,1),1823(a,1,1))].
% 1.54/1.80  3011 multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(inverse(inverse(inverse(inverse(inverse(multiply(B,inverse(B)))))))),multiply(inverse(A),C))),c_0),c_0))) = C.  [para(1871(a,1),1(a,1,2,1,2))].
% 1.54/1.80  3014 multiply(A,inverse(multiply(multiply(inverse(multiply(inverse(inverse(inverse(inverse(inverse(inverse(multiply(B,inverse(B)))))))),C)),c_0),c_0))) = inverse(multiply(multiply(inverse(multiply(inverse(D),multiply(inverse(inverse(A)),C))),E),inverse(multiply(D,E)))).  [para(1871(a,1),4(a,1,2,1,2))].
% 1.54/1.80  3198 inverse(multiply(A,inverse(A))) = inverse(multiply(B,inverse(B))).  [para(1798(a,1),1(a,1,2,1,1,1,1,2)),rewrite([1(14)])].
% 1.54/1.80  3226 multiply(inverse(inverse(inverse(inverse(multiply(A,inverse(A)))))),inverse(multiply(B,inverse(B)))) = c_0.  [para(1798(a,1),1803(a,1))].
% 1.54/1.80  3232 multiply(inverse(inverse(A)),multiply(c_0,inverse(multiply(multiply(B,inverse(B)),inverse(multiply(C,inverse(C))))))) = A.  [para(1798(a,1),1866(a,1,2,2,1))].
% 1.54/1.80  3268 multiply(inverse(inverse(inverse(multiply(A,inverse(A))))),multiply(B,inverse(B))) = c_0.  [para(3198(a,1),1803(a,1,1,1,1))].
% 1.54/1.80  3274 multiply(A,inverse(A)) = multiply(B,inverse(B)).  [para(3198(a,1),1866(a,1,1,1)),rewrite([1866(10)])].
% 1.54/1.80  3305 multiply(A,multiply(B,inverse(B))) = inverse(inverse(A)).  [para(3274(a,1),1650(a,1,2))].
% 1.54/1.80  3309 multiply(inverse(inverse(inverse(inverse(inverse(A))))),c_0) = inverse(inverse(inverse(A))).  [para(3274(a,1),1823(a,1,2)),rewrite([3305(4)]),flip(a)].
% 1.54/1.80  3310 inverse(inverse(inverse(inverse(multiply(A,inverse(A)))))) = c_0.  [para(3274(a,1),1871(a,1,1,1,1,1,1,1,1)),rewrite([3309(9)])].
% 1.54/1.80  3311 multiply(multiply(inverse(c_0),c_0),c_0) = multiply(A,inverse(A)).  [para(1871(a,1),3274(a,1,2)),rewrite([3310(6)])].
% 1.54/1.80  3324 inverse(c_0) = c_0.  [back_rewrite(3268),rewrite([3305(8),3310(6)])].
% 1.54/1.80  3363 multiply(c_0,inverse(multiply(A,inverse(A)))) = multiply(c_0,c_0).  [back_rewrite(2956),rewrite([3310(6),3324(2)]),flip(a)].
% 1.54/1.80  3518 inverse(inverse(inverse(multiply(multiply(inverse(inverse(inverse(inverse(A)))),c_0),inverse(multiply(B,multiply(multiply(inverse(B),C),A))))))) = C.  [back_rewrite(1857),rewrite([3309(19)])].
% 1.54/1.80  3519 inverse(inverse(inverse(multiply(multiply(inverse(multiply(inverse(inverse(inverse(inverse(A)))),c_0)),B),c_0)))) = multiply(inverse(inverse(inverse(B))),A).  [back_rewrite(1848),rewrite([3324(10),3309(17)])].
% 1.54/1.80  3522 multiply(c_0,c_0) = c_0.  [back_rewrite(3226),rewrite([3310(6),3363(5)])].
% 1.54/1.80  3538 inverse(multiply(multiply(inverse(multiply(inverse(A),multiply(inverse(inverse(B)),C))),D),inverse(multiply(A,D)))) = multiply(B,inverse(multiply(multiply(inverse(multiply(c_0,C)),c_0),c_0))).  [back_rewrite(3014),rewrite([3310(6),3324(2),3324(2)]),flip(a)].
% 1.54/1.80  3539 multiply(A,inverse(multiply(multiply(inverse(multiply(c_0,multiply(inverse(A),B))),c_0),c_0))) = B.  [back_rewrite(3011),rewrite([3310(6),3324(2),3324(2)])].
% 1.54/1.80  3541 multiply(A,inverse(A)) = c_0.  [back_rewrite(3311),rewrite([3324(2),3522(3),3522(3)]),flip(a)].
% 1.54/1.80  3550 inverse(multiply(multiply(inverse(multiply(inverse(A),B)),C),inverse(multiply(A,C)))) = inverse(multiply(multiply(inverse(multiply(c_0,B)),c_0),c_0)).  [back_rewrite(2981),rewrite([3324(2),3538(13),3541(15),3324(15),3539(19)]),flip(a)].
% 1.54/1.80  3552 multiply(c_0,inverse(multiply(multiply(inverse(multiply(c_0,inverse(multiply(multiply(inverse(multiply(c_0,multiply(c_0,A))),c_0),c_0)))),c_0),c_0))) = inverse(multiply(multiply(inverse(multiply(c_0,A)),c_0),c_0)).  [back_rewrite(2979),rewrite([3541(3),3324(3),3522(3),3324(5),3324(5),3550(12),3550(19),3550(28)])].
% 1.54/1.80  3553 inverse(multiply(multiply(inverse(multiply(c_0,multiply(inverse(inverse(A)),B))),c_0),c_0)) = multiply(A,inverse(multiply(multiply(inverse(multiply(c_0,B)),c_0),c_0))).  [back_rewrite(2970),rewrite([3550(8),3324(11),3541(17),3324(17)]),flip(a)].
% 1.54/1.80  3554 inverse(multiply(multiply(inverse(multiply(c_0,multiply(c_0,A))),c_0),c_0)) = multiply(c_0,inverse(multiply(multiply(inverse(multiply(c_0,A)),c_0),c_0))).  [back_rewrite(2969),rewrite([3541(3),3324(3),3522(3),3550(9),3324(13),3550(20)]),flip(a)].
% 1.54/1.80  3561 inverse(multiply(multiply(inverse(inverse(inverse(inverse(A)))),c_0),inverse(multiply(inverse(inverse(B)),multiply(inverse(inverse(inverse(inverse(C)))),A))))) = multiply(B,C).  [back_rewrite(2252),rewrite([3324(16),3324(16),3324(16),3324(16),3522(17),3309(16)])].
% 1.54/1.80  3565 multiply(inverse(inverse(multiply(multiply(inverse(inverse(inverse(inverse(A)))),c_0),B))),inverse(multiply(multiply(inverse(inverse(inverse(inverse(B)))),c_0),c_0))) = A.  [back_rewrite(1863),rewrite([3324(17)])].
% 1.54/1.80  3597 multiply(c_0,multiply(c_0,A)) = multiply(inverse(inverse(inverse(inverse(A)))),c_0).  [back_rewrite(3008),rewrite([3541(4),3324(4),3522(4)])].
% 1.54/1.80  3598 multiply(inverse(inverse(A)),c_0) = A.  [back_rewrite(2998),rewrite([3541(6),3324(6),3522(6),3522(6),3324(5),3522(5)])].
% 1.54/1.80  3620 multiply(multiply(inverse(multiply(inverse(A),B)),C),inverse(multiply(A,C))) = multiply(multiply(inverse(multiply(c_0,B)),c_0),c_0).  [back_rewrite(2949),rewrite([3550(20),3553(20),3550(25),3539(26),3541(19),3324(19),3522(19),3598(18)])].
% 1.54/1.80  3627 multiply(inverse(A),inverse(multiply(B,inverse(multiply(C,multiply(multiply(inverse(C),A),inverse(multiply(multiply(inverse(multiply(c_0,B)),c_0),c_0)))))))) = c_0.  [back_rewrite(2941),rewrite([3620(13),3553(14),3541(20),3324(20),3522(20)])].
% 1.54/1.80  3629 multiply(A,inverse(multiply(multiply(inverse(multiply(c_0,B)),c_0),c_0))) = inverse(multiply(multiply(inverse(multiply(inverse(inverse(inverse(C))),multiply(inverse(inverse(A)),B))),c_0),inverse(C))).  [back_rewrite(2937),rewrite([3620(7),3541(20),3324(20),3522(20)])].
% 1.54/1.80  3938 multiply(A,c_0) = inverse(inverse(A)).  [back_rewrite(3305),rewrite([3541(2)])].
% 1.54/1.80  3949 inverse(inverse(inverse(inverse(A)))) = A.  [back_rewrite(3232),rewrite([3541(5),3541(6),3324(6),3938(6),3324(5),3324(5),3324(5),3938(5),3324(4),3324(4),3938(4)])].
% 1.54/1.80  3989 inverse(inverse(multiply(c_0,A))) = inverse(inverse(A)).  [back_rewrite(1313),rewrite([3541(2),3324(2),3938(2),3620(9),3938(7),3938(9),3949(8)]),flip(a)].
% 1.54/1.80  3994 multiply(c_0,inverse(inverse(A))) = inverse(inverse(A)).  [back_rewrite(3552),rewrite([3597(6),3949(6),3938(4),3938(7),3949(6),3938(5),3949(6),3938(6),3989(5),3938(6),3949(5),3938(9),3989(8),3938(9),3949(8)])].
% 1.54/1.80  3996 inverse(inverse(A)) = A.  [back_rewrite(3554),rewrite([3597(4),3949(4),3938(2),3938(5),3949(4),3938(3),3949(4),3938(6),3989(5),3938(6),3949(5),3994(4)]),flip(a)].
% 1.54/1.80  4000 multiply(multiply(A,B),inverse(B)) = A.  [back_rewrite(3565),rewrite([3996(2),3996(2),3938(2),3996(2),3996(3),3996(3),3996(3),3938(3),3996(3),3938(3),3996(3)])].
% 1.54/1.80  4003 inverse(multiply(A,inverse(multiply(B,multiply(C,A))))) = multiply(B,C).  [back_rewrite(3561),rewrite([3996(2),3996(2),3938(2),3996(2),3996(2),3996(2),3996(2)])].
% 1.54/1.80  4005 inverse(multiply(inverse(A),B)) = multiply(inverse(B),A).  [back_rewrite(3519),rewrite([3996(2),3996(2),3938(2),3996(2),3938(4),3996(4),3996(4),3996(5)])].
% 1.54/1.80  4006 multiply(A,multiply(inverse(A),B)) = B.  [back_rewrite(3518),rewrite([3996(2),3996(2),3938(2),3996(2),4003(7),3996(5)])].
% 1.54/1.80  4059 multiply(A,multiply(c_0,B)) = multiply(A,B).  [back_rewrite(3629),rewrite([3938(5),3996(4),3938(5),3996(4),3996(4),3996(5),3996(6),4005(7),3938(8),4005(7),4005(7),4000(8),3996(6)])].
% 1.54/1.80  4061 multiply(inverse(A),A) = c_0.  [back_rewrite(3627),rewrite([3938(8),3996(7),3938(8),3996(7),3996(7),4059(6),4003(8),4006(4)])].
% 1.54/1.80  4117 $F # answer(prove_these_axioms_1).  [back_rewrite(3),rewrite([4061(4),4061(5)]),xx(a)].
% 1.54/1.80  
% 1.54/1.80  % SZS output end Refutation
% 1.54/1.80  ============================== end of proof ==========================
% 1.54/1.80  
% 1.54/1.80  ============================== STATISTICS ============================
% 1.54/1.80  
% 1.54/1.80  Given=41. Generated=8014. Kept=4115. proofs=1.
% 1.54/1.80  Usable=0. Sos=46. Demods=101. Limbo=56, Disabled=4015. Hints=0.
% 1.54/1.80  Megabytes=7.95.
% 1.54/1.80  User_CPU=0.79, System_CPU=0.01, Wall_clock=1.
% 1.54/1.80  
% 1.54/1.80  ============================== end of statistics =====================
% 1.54/1.80  
% 1.54/1.80  ============================== end of search =========================
% 1.54/1.80  
% 1.54/1.80  THEOREM PROVED
% 1.54/1.80  % SZS status Unsatisfiable
% 1.54/1.80  
% 1.54/1.80  Exiting with 1 proof.
% 1.54/1.80  
% 1.54/1.80  Process 28201 exit (max_proofs) Tue Jun 14 07:35:29 2022
% 1.54/1.80  Prover9 interrupted
%------------------------------------------------------------------------------