TSTP Solution File: GRP061-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP061-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n018.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 11:17:00 EDT 2022

% Result   : Unsatisfiable 2.33s 2.67s
% Output   : Refutation 2.33s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.13  % Problem  : GRP061-1 : TPTP v8.1.0. Released v1.0.0.
% 0.10/0.14  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.35  % Computer : n018.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Tue Jun 14 02:21:43 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 2.33/2.67  ============================== Prover9 ===============================
% 2.33/2.67  Prover9 (32) version 2009-11A, November 2009.
% 2.33/2.67  Process 2957 was started by sandbox2 on n018.cluster.edu,
% 2.33/2.67  Tue Jun 14 02:21:43 2022
% 2.33/2.67  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_2804_n018.cluster.edu".
% 2.33/2.67  ============================== end of head ===========================
% 2.33/2.67  
% 2.33/2.67  ============================== INPUT =================================
% 2.33/2.67  
% 2.33/2.67  % Reading from file /tmp/Prover9_2804_n018.cluster.edu
% 2.33/2.67  
% 2.33/2.67  set(prolog_style_variables).
% 2.33/2.67  set(auto2).
% 2.33/2.67      % set(auto2) -> set(auto).
% 2.33/2.67      % set(auto) -> set(auto_inference).
% 2.33/2.67      % set(auto) -> set(auto_setup).
% 2.33/2.67      % set(auto_setup) -> set(predicate_elim).
% 2.33/2.67      % set(auto_setup) -> assign(eq_defs, unfold).
% 2.33/2.67      % set(auto) -> set(auto_limits).
% 2.33/2.67      % set(auto_limits) -> assign(max_weight, "100.000").
% 2.33/2.67      % set(auto_limits) -> assign(sos_limit, 20000).
% 2.33/2.67      % set(auto) -> set(auto_denials).
% 2.33/2.67      % set(auto) -> set(auto_process).
% 2.33/2.67      % set(auto2) -> assign(new_constants, 1).
% 2.33/2.67      % set(auto2) -> assign(fold_denial_max, 3).
% 2.33/2.67      % set(auto2) -> assign(max_weight, "200.000").
% 2.33/2.67      % set(auto2) -> assign(max_hours, 1).
% 2.33/2.67      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 2.33/2.67      % set(auto2) -> assign(max_seconds, 0).
% 2.33/2.67      % set(auto2) -> assign(max_minutes, 5).
% 2.33/2.67      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 2.33/2.67      % set(auto2) -> set(sort_initial_sos).
% 2.33/2.67      % set(auto2) -> assign(sos_limit, -1).
% 2.33/2.67      % set(auto2) -> assign(lrs_ticks, 3000).
% 2.33/2.67      % set(auto2) -> assign(max_megs, 400).
% 2.33/2.67      % set(auto2) -> assign(stats, some).
% 2.33/2.67      % set(auto2) -> clear(echo_input).
% 2.33/2.67      % set(auto2) -> set(quiet).
% 2.33/2.67      % set(auto2) -> clear(print_initial_clauses).
% 2.33/2.67      % set(auto2) -> clear(print_given).
% 2.33/2.67  assign(lrs_ticks,-1).
% 2.33/2.67  assign(sos_limit,10000).
% 2.33/2.67  assign(order,kbo).
% 2.33/2.67  set(lex_order_vars).
% 2.33/2.67  clear(print_given).
% 2.33/2.67  
% 2.33/2.67  % formulas(sos).  % not echoed (2 formulas)
% 2.33/2.67  
% 2.33/2.67  ============================== end of input ==========================
% 2.33/2.67  
% 2.33/2.67  % From the command line: assign(max_seconds, 300).
% 2.33/2.67  
% 2.33/2.67  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 2.33/2.67  
% 2.33/2.67  % Formulas that are not ordinary clauses:
% 2.33/2.67  
% 2.33/2.67  ============================== end of process non-clausal formulas ===
% 2.33/2.67  
% 2.33/2.67  ============================== PROCESS INITIAL CLAUSES ===============
% 2.33/2.67  
% 2.33/2.67  ============================== PREDICATE ELIMINATION =================
% 2.33/2.67  
% 2.33/2.67  ============================== end predicate elimination =============
% 2.33/2.67  
% 2.33/2.67  Auto_denials:
% 2.33/2.67    % copying label prove_these_axioms to answer in negative clause
% 2.33/2.67  
% 2.33/2.67  Term ordering decisions:
% 2.33/2.67  
% 2.33/2.67  % Assigning unary symbol inverse kb_weight 0 and highest precedence (10).
% 2.33/2.67  Function symbol KB weights:  a1=1. a2=1. a3=1. b1=1. b2=1. b3=1. c3=1. multiply=1. inverse=0.
% 2.33/2.67  
% 2.33/2.67  ============================== end of process initial clauses ========
% 2.33/2.67  
% 2.33/2.67  ============================== CLAUSES FOR SEARCH ====================
% 2.33/2.67  
% 2.33/2.67  ============================== end of clauses for search =============
% 2.33/2.67  
% 2.33/2.67  ============================== SEARCH ================================
% 2.33/2.67  
% 2.33/2.67  % Starting search at 0.01 seconds.
% 2.33/2.67  
% 2.33/2.67  ============================== PROOF =================================
% 2.33/2.67  % SZS status Unsatisfiable
% 2.33/2.67  % SZS output start Refutation
% 2.33/2.67  
% 2.33/2.67  % Proof 1 at 1.69 (+ 0.02) seconds: prove_these_axioms.
% 2.33/2.67  % Length of proof is 103.
% 2.33/2.67  % Level of proof is 34.
% 2.33/2.67  % Maximum clause weight is 59.000.
% 2.33/2.67  % Given clauses 59.
% 2.33/2.67  
% 2.33/2.67  1 inverse(multiply(A,multiply(B,multiply(multiply(inverse(B),C),inverse(multiply(D,multiply(A,C))))))) = D # label(single_axiom) # label(axiom).  [assumption].
% 2.33/2.67  2 multiply(inverse(a1),a1) != multiply(inverse(b1),b1) | multiply(multiply(inverse(b2),b2),a2) != a2 | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) # label(prove_these_axioms) # label(negated_conjecture) # answer(prove_these_axioms).  [assumption].
% 2.33/2.67  3 multiply(inverse(b1),b1) != multiply(inverse(a1),a1) | multiply(multiply(inverse(b2),b2),a2) != a2 | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) # answer(prove_these_axioms).  [copy(2),flip(a)].
% 2.33/2.67  4 inverse(multiply(A,multiply(multiply(B,multiply(C,multiply(multiply(inverse(C),D),inverse(multiply(E,multiply(B,D)))))),multiply(multiply(E,F),inverse(multiply(V6,multiply(A,F))))))) = V6.  [para(1(a,1),1(a,1,1,2,2,1,1))].
% 2.33/2.67  5 inverse(multiply(A,multiply(B,multiply(multiply(inverse(B),multiply(multiply(inverse(A),C),inverse(multiply(D,multiply(E,C))))),D)))) = E.  [para(1(a,1),1(a,1,1,2,2,2))].
% 2.33/2.67  7 inverse(multiply(multiply(A,multiply(B,multiply(multiply(inverse(B),C),inverse(multiply(D,multiply(A,C)))))),multiply(E,multiply(multiply(inverse(E),multiply(multiply(D,F),inverse(multiply(V6,multiply(V7,F))))),V6)))) = V7.  [para(4(a,1),1(a,1,1,2,2,2))].
% 2.33/2.67  9 inverse(multiply(A,multiply(multiply(B,multiply(C,multiply(multiply(inverse(C),D),inverse(multiply(E,multiply(B,D)))))),multiply(multiply(E,multiply(multiply(inverse(A),F),inverse(multiply(V6,multiply(V7,F))))),V6)))) = V7.  [para(1(a,1),4(a,1,1,2,2,2))].
% 2.33/2.67  12 inverse(multiply(multiply(A,multiply(B,multiply(multiply(inverse(B),C),inverse(multiply(D,multiply(A,C)))))),multiply(multiply(E,multiply(F,multiply(multiply(inverse(F),V6),inverse(multiply(V7,multiply(E,V6)))))),multiply(multiply(V7,multiply(multiply(D,V8),inverse(multiply(V9,multiply(V10,V8))))),V9)))) = V10.  [para(4(a,1),4(a,1,1,2,2,2))].
% 2.33/2.67  13 inverse(multiply(A,multiply(B,multiply(multiply(inverse(B),multiply(multiply(inverse(A),multiply(multiply(inverse(C),D),inverse(multiply(E,multiply(F,D))))),E)),F)))) = C.  [para(5(a,1),1(a,1,1,2,2,2))].
% 2.33/2.67  19 multiply(A,multiply(B,multiply(multiply(inverse(B),C),inverse(multiply(D,multiply(A,C)))))) = inverse(multiply(E,multiply(F,multiply(multiply(inverse(F),multiply(multiply(inverse(E),multiply(multiply(D,V6),inverse(multiply(V7,multiply(V8,V6))))),V7)),V8)))).  [para(4(a,1),5(a,1,1,2,2,1,2,2)),flip(a)].
% 2.33/2.67  20 inverse(multiply(A,multiply(multiply(B,multiply(C,multiply(multiply(inverse(C),multiply(multiply(inverse(B),D),inverse(multiply(E,multiply(F,D))))),E))),multiply(multiply(F,multiply(multiply(inverse(A),V6),inverse(multiply(V7,multiply(V8,V6))))),V7)))) = V8.  [para(5(a,1),5(a,1,1,2,2,1,1))].
% 2.33/2.67  541 multiply(A,multiply(B,multiply(multiply(inverse(B),C),inverse(multiply(inverse(D),multiply(A,C)))))) = D.  [para(19(a,2),13(a,1))].
% 2.33/2.67  677 inverse(multiply(A,multiply(B,multiply(C,inverse(multiply(D,multiply(A,multiply(E,multiply(multiply(inverse(E),F),inverse(multiply(inverse(C),multiply(inverse(B),F)))))))))))) = D.  [para(541(a,1),1(a,1,1,2,2,1))].
% 2.33/2.67  692 multiply(A,multiply(B,multiply(multiply(inverse(B),multiply(multiply(inverse(A),multiply(multiply(inverse(inverse(C)),D),inverse(multiply(E,multiply(F,D))))),E)),F))) = C.  [para(5(a,1),541(a,1,2,2,2))].
% 2.33/2.67  1281 inverse(multiply(inverse(A),multiply(A,multiply(B,inverse(multiply(C,B)))))) = C.  [para(19(a,1),677(a,1,1,2,2,2,1,2)),rewrite([13(16)])].
% 2.33/2.67  1399 multiply(A,multiply(B,multiply(multiply(inverse(B),multiply(C,inverse(multiply(D,C)))),D))) = A.  [para(1281(a,1),19(a,1,2,2,2)),rewrite([13(23)])].
% 2.33/2.67  1401 multiply(A,multiply(B,multiply(multiply(inverse(B),C),inverse(multiply(D,multiply(A,C)))))) = inverse(multiply(multiply(inverse(E),multiply(E,multiply(F,inverse(multiply(V6,F))))),multiply(V7,multiply(multiply(inverse(V7),multiply(multiply(V6,multiply(multiply(D,V8),inverse(multiply(V9,multiply(V10,V8))))),V9)),V10)))).  [para(1281(a,1),19(a,2,1,2,2,1,2,1,1))].
% 2.33/2.67  1428 inverse(multiply(A,multiply(B,multiply(inverse(B),inverse(multiply(C,A)))))) = C.  [para(1281(a,1),677(a,1,1,2,2,2,1,2,2,2,2)),rewrite([1399(9)])].
% 2.33/2.67  1432 inverse(multiply(inverse(A),multiply(A,multiply(multiply(B,multiply(C,inverse(multiply(D,C)))),D)))) = inverse(B).  [para(1281(a,1),1281(a,1,1,2,2,2))].
% 2.33/2.67  1683 multiply(A,multiply(B,multiply(multiply(inverse(B),multiply(inverse(A),inverse(multiply(C,inverse(D))))),C))) = D.  [para(1428(a,1),541(a,1,2,2,2))].
% 2.33/2.67  1710 inverse(multiply(inverse(A),multiply(A,multiply(multiply(B,multiply(inverse(B),inverse(multiply(C,D)))),C)))) = D.  [para(1428(a,1),1281(a,1,1,2,2,2))].
% 2.33/2.67  1721 inverse(multiply(multiply(A,multiply(inverse(A),inverse(multiply(B,C)))),multiply(D,multiply(inverse(D),B)))) = C.  [para(1428(a,1),1428(a,1,1,2,2,2))].
% 2.33/2.67  1792 multiply(A,multiply(B,multiply(inverse(B),inverse(multiply(inverse(C),A))))) = C.  [para(1399(a,1),541(a,1,2,2,1)),rewrite([1399(10)])].
% 2.33/2.67  1825 multiply(A,multiply(B,multiply(multiply(inverse(B),multiply(multiply(C,multiply(inverse(C),inverse(multiply(D,E)))),D)),E))) = A.  [para(1428(a,1),1399(a,1,2,2,1,2,2))].
% 2.33/2.67  1942 multiply(multiply(A,multiply(B,inverse(multiply(C,B)))),multiply(D,multiply(inverse(D),C))) = A.  [para(1281(a,1),1792(a,1,2,2,2))].
% 2.33/2.67  1953 multiply(multiply(A,multiply(inverse(A),inverse(multiply(B,inverse(C))))),multiply(D,multiply(inverse(D),B))) = C.  [para(1428(a,1),1792(a,1,2,2,2))].
% 2.33/2.67  2094 multiply(multiply(A,multiply(B,inverse(multiply(multiply(inverse(inverse(C)),inverse(multiply(inverse(D),C))),B)))),D) = A.  [para(1792(a,1),1942(a,1,2))].
% 2.33/2.67  2305 multiply(inverse(A),multiply(A,multiply(multiply(B,multiply(C,inverse(multiply(D,C)))),D))) = B.  [para(1432(a,1),13(a,1,1,2,2,1,2,1,2,1,1)),rewrite([13(15)]),flip(a)].
% 2.33/2.67  3014 multiply(A,multiply(multiply(inverse(A),B),inverse(multiply(C,multiply(D,B))))) = inverse(multiply(inverse(E),multiply(E,multiply(multiply(F,multiply(inverse(F),C)),D)))).  [para(1(a,1),1710(a,1,1,2,2,1,2,2)),flip(a)].
% 2.33/2.67  3046 multiply(A,multiply(multiply(inverse(A),multiply(multiply(B,C),inverse(multiply(D,multiply(E,C))))),D)) = inverse(multiply(inverse(F),multiply(F,multiply(multiply(V6,multiply(inverse(V6),E)),multiply(V7,multiply(V8,multiply(multiply(inverse(V8),V9),inverse(multiply(B,multiply(V7,V9)))))))))).  [para(7(a,1),1710(a,1,1,2,2,1,2,2)),flip(a)].
% 2.33/2.67  3099 multiply(A,multiply(B,multiply(multiply(inverse(B),C),inverse(multiply(D,multiply(A,C)))))) = inverse(multiply(multiply(inverse(E),multiply(E,multiply(multiply(F,multiply(inverse(F),inverse(multiply(V6,V7)))),V6))),multiply(V8,multiply(multiply(inverse(V8),multiply(multiply(V7,multiply(multiply(D,V9),inverse(multiply(V10,multiply(V11,V9))))),V10)),V11)))).  [para(1710(a,1),19(a,2,1,2,2,1,2,1,1))].
% 2.33/2.67  3123 multiply(multiply(inverse(A),multiply(A,multiply(multiply(B,multiply(inverse(B),inverse(multiply(C,D)))),C))),multiply(E,multiply(multiply(inverse(E),multiply(multiply(D,multiply(multiply(inverse(inverse(F)),V6),inverse(multiply(V7,multiply(V8,V6))))),V7)),V8))) = F.  [para(1710(a,1),692(a,1,2,2,1,2,1,1))].
% 2.33/2.67  3184 multiply(A,multiply(multiply(B,multiply(inverse(B),inverse(multiply(C,D)))),C)) = inverse(multiply(inverse(E),multiply(E,multiply(multiply(F,multiply(inverse(F),D)),inverse(A))))).  [para(1710(a,1),1710(a,1,1,2,2,1,2,2)),flip(a)].
% 2.33/2.67  3242 multiply(multiply(A,multiply(B,multiply(multiply(inverse(B),C),inverse(multiply(D,multiply(A,C)))))),multiply(multiply(D,multiply(multiply(inverse(E),F),inverse(multiply(V6,multiply(V7,F))))),V6)) = inverse(multiply(multiply(V8,multiply(inverse(V8),V7)),multiply(V9,multiply(inverse(V9),E)))).  [para(9(a,1),1721(a,1,1,1,2,2)),flip(a)].
% 2.33/2.67  3332 multiply(multiply(A,multiply(B,multiply(multiply(inverse(B),C),inverse(multiply(D,multiply(A,C)))))),multiply(multiply(D,multiply(multiply(E,F),inverse(multiply(V6,multiply(V7,F))))),V6)) = inverse(multiply(multiply(V8,multiply(inverse(V8),V7)),multiply(V9,multiply(inverse(V9),multiply(V10,multiply(V11,multiply(multiply(inverse(V11),V12),inverse(multiply(E,multiply(V10,V12)))))))))).  [para(12(a,1),1721(a,1,1,1,2,2)),flip(a)].
% 2.33/2.67  3682 multiply(A,multiply(B,inverse(multiply(multiply(inverse(inverse(C)),inverse(multiply(inverse(D),C))),B)))) = inverse(multiply(inverse(E),multiply(E,multiply(D,inverse(A))))).  [para(2094(a,1),1281(a,1,1,2,2,2,1)),flip(a)].
% 2.33/2.67  3740 inverse(multiply(inverse(A),multiply(A,multiply(multiply(B,multiply(inverse(B),inverse(C))),multiply(C,multiply(D,inverse(multiply(multiply(inverse(inverse(E)),inverse(multiply(inverse(F),E))),D)))))))) = F.  [para(2094(a,1),1710(a,1,1,2,2,1,2,2,1))].
% 2.33/2.67  4296 multiply(A,multiply(B,multiply(inverse(B),multiply(multiply(C,multiply(inverse(C),inverse(D))),D)))) = A.  [para(1399(a,1),1825(a,1,2,2,1,2,1,2,2,1)),rewrite([1399(15)])].
% 2.33/2.67  4327 multiply(A,multiply(multiply(inverse(A),multiply(multiply(B,multiply(inverse(B),inverse(multiply(C,D)))),C)),D)) = inverse(multiply(inverse(E),multiply(E,multiply(multiply(F,multiply(inverse(F),inverse(V6))),V6)))).  [para(1825(a,1),1710(a,1,1,2,2,1,2,2,1)),flip(a)].
% 2.33/2.67  4340 multiply(multiply(A,multiply(B,inverse(multiply(multiply(inverse(inverse(multiply(C,multiply(multiply(inverse(C),multiply(multiply(D,multiply(inverse(D),inverse(multiply(E,F)))),E)),F)))),inverse(inverse(V6))),B)))),V6) = A.  [para(1825(a,1),2094(a,1,1,2,2,1,1,2,1))].
% 2.33/2.67  4483 multiply(multiply(A,multiply(inverse(A),multiply(multiply(B,multiply(inverse(B),inverse(C))),C))),multiply(D,multiply(inverse(D),inverse(inverse(E))))) = E.  [para(4296(a,1),1792(a,1,2,2,2,1))].
% 2.33/2.67  4487 multiply(A,multiply(B,inverse(multiply(multiply(multiply(C,multiply(inverse(C),inverse(D))),D),B)))) = A.  [para(4296(a,1),1942(a,1))].
% 2.33/2.67  4516 multiply(A,multiply(inverse(A),multiply(multiply(B,multiply(inverse(B),inverse(C))),C))) = inverse(multiply(multiply(D,multiply(inverse(D),inverse(E))),multiply(F,multiply(inverse(F),E)))).  [para(4296(a,1),1721(a,1,1,1,2,2,1)),flip(a)].
% 2.33/2.67  4525 multiply(A,multiply(inverse(A),inverse(multiply(multiply(multiply(B,multiply(inverse(B),inverse(C))),C),inverse(D))))) = D.  [para(4296(a,1),1953(a,1))].
% 2.33/2.67  4541 multiply(A,multiply(B,multiply(inverse(B),multiply(C,multiply(inverse(C),inverse(multiply(D,multiply(inverse(D),multiply(multiply(E,multiply(inverse(E),inverse(F))),F))))))))) = A.  [para(4296(a,1),4296(a,1,2,2,2))].
% 2.33/2.67  4543 multiply(multiply(A,multiply(inverse(A),inverse(B))),B) = inverse(multiply(inverse(C),C)).  [para(4487(a,1),1(a,1,1,2)),flip(a)].
% 2.33/2.67  4670 inverse(multiply(inverse(A),multiply(A,multiply(multiply(B,inverse(multiply(multiply(multiply(C,multiply(inverse(C),inverse(D))),D),B))),inverse(E))))) = E.  [para(4487(a,1),1281(a,1,1,2,2,2,1))].
% 2.33/2.67  4705 multiply(inverse(A),multiply(A,multiply(B,multiply(C,inverse(multiply(multiply(D,inverse(multiply(multiply(multiply(E,multiply(inverse(E),inverse(F))),F),D))),C)))))) = B.  [para(4487(a,1),2305(a,1,2,2))].
% 2.33/2.67  4721 multiply(A,inverse(multiply(multiply(multiply(B,multiply(inverse(B),inverse(C))),C),A))) = inverse(multiply(inverse(D),multiply(D,multiply(multiply(E,multiply(inverse(E),inverse(F))),F)))).  [para(4487(a,1),1710(a,1,1,2,2,1,2,2,1)),flip(a)].
% 2.33/2.67  4725 multiply(A,inverse(multiply(multiply(multiply(B,multiply(inverse(B),inverse(C))),C),A))) = inverse(multiply(multiply(D,multiply(inverse(D),inverse(E))),multiply(F,multiply(inverse(F),E)))).  [para(4487(a,1),1721(a,1,1,1,2,2,1)),flip(a)].
% 2.33/2.67  4726 inverse(multiply(multiply(A,multiply(inverse(A),inverse(multiply(multiply(B,inverse(multiply(multiply(multiply(C,multiply(inverse(C),inverse(D))),D),B))),E)))),multiply(F,inverse(F)))) = E.  [para(4487(a,1),1721(a,1,1,2,2))].
% 2.33/2.67  4755 multiply(A,multiply(multiply(B,multiply(inverse(B),multiply(multiply(C,multiply(inverse(C),inverse(D))),D))),inverse(multiply(multiply(E,multiply(inverse(E),inverse(F))),F)))) = A.  [para(4296(a,1),4487(a,1,2,2,1))].
% 2.33/2.67  4934 multiply(A,multiply(B,inverse(multiply(C,B)))) = inverse(multiply(D,multiply(multiply(E,multiply(F,multiply(multiply(inverse(F),multiply(multiply(inverse(E),V6),inverse(multiply(V7,multiply(V8,V6))))),V7))),multiply(multiply(V8,multiply(multiply(inverse(D),multiply(V9,multiply(inverse(V9),C))),inverse(multiply(V10,A)))),V10)))).  [para(1942(a,1),20(a,1,1,2,2,1,2,2,1,2)),flip(a)].
% 2.33/2.67  4994 multiply(A,multiply(inverse(A),inverse(multiply(B,inverse(C))))) = inverse(multiply(D,multiply(multiply(E,multiply(F,multiply(multiply(inverse(F),multiply(multiply(inverse(E),V6),inverse(multiply(V7,multiply(V8,V6))))),V7))),multiply(multiply(V8,multiply(multiply(inverse(D),multiply(V9,multiply(inverse(V9),B))),inverse(multiply(V10,C)))),V10)))).  [para(1953(a,1),20(a,1,1,2,2,1,2,2,1,2)),flip(a)].
% 2.33/2.67  5292 multiply(inverse(A),multiply(A,multiply(inverse(multiply(inverse(B),B)),C))) = multiply(D,multiply(inverse(D),inverse(multiply(E,inverse(multiply(C,E)))))).  [para(4543(a,1),2305(a,1,2,2,1))].
% 2.33/2.67  5293 multiply(inverse(multiply(A,multiply(inverse(A),inverse(multiply(multiply(B,multiply(C,inverse(multiply(D,C)))),D))))),inverse(multiply(inverse(E),E))) = B.  [para(4543(a,1),2305(a,1,2))].
% 2.33/2.67  5302 multiply(A,multiply(B,multiply(multiply(inverse(B),multiply(inverse(A),inverse(inverse(multiply(inverse(C),C))))),multiply(D,multiply(inverse(D),inverse(inverse(E))))))) = E.  [para(4543(a,1),1683(a,1,2,2,1,2,2,1))].
% 2.33/2.67  5329 multiply(inverse(A),A) = inverse(inverse(multiply(inverse(B),B))).  [para(4543(a,1),1721(a,1,1)),flip(a)].
% 2.33/2.67  5370 multiply(A,multiply(inverse(A),inverse(multiply(B,multiply(inverse(B),multiply(multiply(C,multiply(inverse(C),inverse(D))),D)))))) = inverse(multiply(inverse(E),E)).  [para(4543(a,1),4296(a,1)),flip(a)].
% 2.33/2.67  5399 multiply(inverse(A),A) = c_0.  [new_symbol(5329)].
% 2.33/2.67  5418 multiply(A,multiply(inverse(A),inverse(multiply(B,multiply(inverse(B),multiply(multiply(C,multiply(inverse(C),inverse(D))),D)))))) = inverse(c_0).  [back_rewrite(5370),rewrite([5399(14)])].
% 2.33/2.67  5451 inverse(inverse(c_0)) = c_0.  [back_rewrite(5329),rewrite([5399(2),5399(3)]),flip(a)].
% 2.33/2.67  5474 multiply(A,multiply(B,multiply(multiply(inverse(B),multiply(inverse(A),c_0)),multiply(C,multiply(inverse(C),inverse(inverse(D))))))) = D.  [back_rewrite(5302),rewrite([5399(4),5451(5)])].
% 2.33/2.67  5481 multiply(inverse(multiply(A,multiply(inverse(A),inverse(multiply(multiply(B,multiply(C,inverse(multiply(D,C)))),D))))),inverse(c_0)) = B.  [back_rewrite(5293),rewrite([5399(12)])].
% 2.33/2.67  5482 multiply(inverse(A),multiply(A,multiply(inverse(c_0),B))) = multiply(C,multiply(inverse(C),inverse(multiply(D,inverse(multiply(B,D)))))).  [back_rewrite(5292),rewrite([5399(3)])].
% 2.33/2.67  5688 multiply(multiply(A,multiply(inverse(A),inverse(B))),B) = inverse(c_0).  [back_rewrite(4543),rewrite([5399(7)])].
% 2.33/2.67  5689 multiply(c_0,a2) != a2 | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) # answer(prove_these_axioms).  [back_rewrite(3),rewrite([5399(4),5399(5),5399(7)]),xx(a)].
% 2.33/2.67  5695 multiply(A,multiply(B,multiply(inverse(B),multiply(C,multiply(inverse(C),inverse(multiply(D,multiply(inverse(D),inverse(c_0))))))))) = A.  [back_rewrite(4541),rewrite([5688(8)])].
% 2.33/2.67  5706 multiply(A,multiply(inverse(A),inverse(multiply(B,multiply(inverse(B),inverse(c_0)))))) = inverse(c_0).  [back_rewrite(5418),rewrite([5688(7)])].
% 2.33/2.67  5783 multiply(A,inverse(c_0)) = A.  [back_rewrite(4755),rewrite([5688(6),5688(10),5451(8),5688(7)])].
% 2.33/2.67  5801 inverse(multiply(multiply(A,multiply(inverse(A),inverse(multiply(multiply(B,inverse(multiply(inverse(c_0),B))),C)))),multiply(D,inverse(D)))) = C.  [back_rewrite(4726),rewrite([5688(6)])].
% 2.33/2.67  5802 multiply(A,inverse(multiply(inverse(c_0),A))) = inverse(multiply(multiply(B,multiply(inverse(B),inverse(C))),multiply(D,multiply(inverse(D),C)))).  [back_rewrite(4725),rewrite([5688(5)])].
% 2.33/2.67  5804 multiply(A,inverse(multiply(inverse(c_0),A))) = inverse(c_0).  [back_rewrite(4721),rewrite([5688(5),5688(11),5783(9),5399(7)])].
% 2.33/2.67  5815 multiply(inverse(A),multiply(A,B)) = B.  [back_rewrite(4705),rewrite([5688(6),5804(6),5804(6),5783(4)])].
% 2.33/2.67  5834 inverse(multiply(inverse(c_0),inverse(A))) = A.  [back_rewrite(4670),rewrite([5688(6),5804(6),5815(7)])].
% 2.33/2.67  5931 multiply(A,multiply(inverse(A),B)) = B.  [back_rewrite(4525),rewrite([5688(6),5834(6)])].
% 2.33/2.67  5937 inverse(c_0) = c_0.  [back_rewrite(4516),rewrite([5931(5),5399(3),5931(4),5931(5),5931(5),5399(3)]),flip(a)].
% 2.33/2.67  5952 multiply(c_0,inverse(inverse(A))) = A.  [back_rewrite(4483),rewrite([5931(5),5399(3),5931(4),5931(6)])].
% 2.33/2.67  6034 multiply(A,multiply(multiply(inverse(A),multiply(inverse(multiply(B,C)),B)),C)) = c_0.  [back_rewrite(4327),rewrite([5931(6),5931(12),5399(10),5815(11),5937(9)])].
% 2.33/2.67  6035 multiply(A,c_0) = A.  [back_rewrite(4296),rewrite([5931(5),5399(3),5931(4)])].
% 2.33/2.67  6038 multiply(A,inverse(multiply(B,inverse(B)))) = A.  [back_rewrite(5695),rewrite([5937(5),6035(5),5931(7),5931(6)])].
% 2.33/2.67  6043 multiply(multiply(A,multiply(B,inverse(multiply(C,B)))),C) = A.  [back_rewrite(4340),rewrite([5931(6),6034(7),5937(2),5937(2),5952(4)])].
% 2.33/2.67  6087 multiply(A,inverse(A)) = c_0.  [back_rewrite(5706),rewrite([5937(4),6035(4),6038(5),5937(4)])].
% 2.33/2.67  6125 inverse(inverse(A)) = A.  [back_rewrite(5481),rewrite([6043(6),5931(4),5937(4),6035(4)])].
% 2.33/2.67  6135 multiply(A,inverse(multiply(c_0,A))) = c_0.  [back_rewrite(5802),rewrite([5937(2),5931(8),5931(8),5399(6),5937(6)])].
% 2.33/2.67  6136 multiply(c_0,A) = A.  [back_rewrite(5801),rewrite([5937(3),6135(5),5931(6),6087(5),6035(5),6125(4)])].
% 2.33/2.67  6147 inverse(multiply(A,inverse(multiply(B,A)))) = B.  [back_rewrite(5482),rewrite([5937(3),6136(3),5815(3),5931(7)]),flip(a)].
% 2.33/2.67  6174 multiply(A,inverse(multiply(inverse(B),A))) = B.  [back_rewrite(3740),rewrite([5931(5),6125(4),5815(11),5815(10),6147(8)])].
% 2.33/2.67  6179 multiply(A,multiply(B,inverse(multiply(C,B)))) = inverse(multiply(C,inverse(A))).  [back_rewrite(3682),rewrite([6125(2),6174(4),5815(9)])].
% 2.33/2.67  6191 multiply(A,multiply(inverse(multiply(B,C)),B)) = inverse(multiply(C,inverse(A))).  [back_rewrite(3184),rewrite([5931(5),5931(8),5815(9)])].
% 2.33/2.67  6216 multiply(multiply(inverse(A),inverse(multiply(B,inverse(A)))),multiply(C,multiply(multiply(inverse(C),multiply(multiply(B,multiply(multiply(D,E),inverse(multiply(F,multiply(V6,E))))),F)),V6))) = D.  [back_rewrite(3123),rewrite([5931(6),6191(5),6125(8)])].
% 2.33/2.67  6229 multiply(A,multiply(B,multiply(multiply(inverse(B),C),inverse(multiply(D,multiply(A,C)))))) = inverse(D).  [back_rewrite(3099),rewrite([5931(14),6191(13),6216(25)])].
% 2.33/2.67  6254 multiply(A,multiply(multiply(inverse(A),multiply(multiply(B,C),inverse(multiply(D,multiply(E,C))))),D)) = inverse(multiply(E,inverse(B))).  [back_rewrite(3046),rewrite([5931(13),6229(18),5815(14)])].
% 2.33/2.67  6268 multiply(A,multiply(multiply(inverse(A),B),inverse(multiply(C,multiply(D,B))))) = inverse(multiply(C,D)).  [back_rewrite(3014),rewrite([5931(11),5815(11)])].
% 2.33/2.67  6295 multiply(A,inverse(multiply(B,A))) = inverse(B).  [back_rewrite(1401),rewrite([6268(7),6179(8),6216(20)])].
% 2.33/2.67  6351 multiply(A,multiply(B,multiply(multiply(inverse(B),inverse(A)),C))) = C.  [back_rewrite(5474),rewrite([6035(4),6125(6),5931(6)])].
% 2.33/2.67  6355 inverse(multiply(A,multiply(inverse(B),multiply(multiply(B,multiply(multiply(inverse(A),C),inverse(multiply(D,E)))),D)))) = inverse(multiply(C,inverse(E))).  [back_rewrite(4994),rewrite([5931(6),6254(13),6125(5),6295(6),5931(8)]),flip(a)].
% 2.33/2.67  6360 inverse(multiply(A,inverse(B))) = multiply(B,inverse(A)).  [back_rewrite(4934),rewrite([6295(3),6254(12),6125(4),6295(5),5931(7),6355(13)]),flip(a)].
% 2.33/2.67  6450 multiply(inverse(A),multiply(multiply(A,multiply(multiply(B,C),inverse(multiply(D,multiply(E,C))))),D)) = multiply(B,inverse(E)).  [back_rewrite(3332),rewrite([6268(7),6295(3),5931(12),6268(17),6295(13),5931(13),6360(12)])].
% 2.33/2.67  6469 inverse(multiply(A,B)) = multiply(inverse(B),inverse(A)).  [back_rewrite(3242),rewrite([6268(7),6295(3),6450(10),5931(6),5931(6)]),flip(a)].
% 2.33/2.67  6846 multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) # answer(prove_these_axioms).  [back_rewrite(5689),rewrite([6136(3)]),xx(a)].
% 2.33/2.67  7084 multiply(multiply(A,B),C) = multiply(A,multiply(B,C)).  [para(5931(a,1),6351(a,1,2,2)),rewrite([6469(6),6125(4),6125(4)]),flip(a)].
% 2.33/2.67  7085 $F # answer(prove_these_axioms).  [resolve(7084,a,6846,a)].
% 2.33/2.67  
% 2.33/2.67  % SZS output end Refutation
% 2.33/2.67  ============================== end of proof ==========================
% 2.33/2.67  
% 2.33/2.67  ============================== STATISTICS ============================
% 2.33/2.67  
% 2.33/2.67  Given=59. Generated=14197. Kept=7083. proofs=1.
% 2.33/2.67  Usable=14. Sos=451. Demods=466. Limbo=3, Disabled=6616. Hints=0.
% 2.33/2.67  Megabytes=16.41.
% 2.33/2.67  User_CPU=1.69, System_CPU=0.02, Wall_clock=2.
% 2.33/2.67  
% 2.33/2.67  ============================== end of statistics =====================
% 2.33/2.67  
% 2.33/2.67  ============================== end of search =========================
% 2.33/2.67  
% 2.33/2.67  THEOREM PROVED
% 2.33/2.67  % SZS status Unsatisfiable
% 2.33/2.67  
% 2.33/2.67  Exiting with 1 proof.
% 2.33/2.67  
% 2.33/2.67  Process 2957 exit (max_proofs) Tue Jun 14 02:21:45 2022
% 2.33/2.67  Prover9 interrupted
%------------------------------------------------------------------------------