TSTP Solution File: GRP452-1 by Waldmeister---710

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Waldmeister---710
% Problem  : GRP452-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : woody %s

% Computer : n026.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 12:26:19 EDT 2022

% Result   : Unsatisfiable 0.58s 1.00s
% Output   : CNFRefutation 0.58s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : GRP452-1 : TPTP v8.1.0. Released v2.6.0.
% 0.04/0.12  % Command  : woody %s
% 0.12/0.34  % Computer : n026.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 : Mon Jun 13 19:50:51 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.58/1.00  ********************************************************************************
% 0.58/1.00  *                             W A L D M E I S T E R           \|  \ /      \|/ *
% 0.58/1.00  *                                                              |/  |    \/  |  *
% 0.58/1.00  *              (C) 1994-2010  A. Buch and Th. Hillenbrand,      \ /      \ /   *
% 0.58/1.00  *                             A. Jaeger and B. Loechner          |        |    *
% 0.58/1.00  *                             <waldmeister@informatik.uni-kl.de>          |    *
% 0.58/1.00  ********************************************************************************
% 0.58/1.00  
% 0.58/1.00  
% 0.58/1.00  Goals:
% 0.58/1.00  ------
% 0.58/1.00  
% 0.58/1.00  (   1)  multiply(multiply(inverse(b2),b2),a2) ?=? a2
% 0.58/1.00  
% 0.58/1.00  Detected structure: Orkus
% 0.58/1.00  ********************************************************************************
% 0.58/1.00  ****************************** COMPLETION - PROOF ******************************
% 0.58/1.00  ********************************************************************************
% 0.58/1.00  
% 0.58/1.00  joined goal:             1  multiply(multiply(inverse(b2),b2),a2) ?= a2 to a2
% 0.58/1.00  goal joined
% 0.58/1.00  % SZS status Unsatisfiable
% 0.58/1.00  #START OF PROOF
% 0.58/1.00  % SZS output start CNFRefutation
% 0.58/1.00  cnf('0.1.0.0',axiom,
% 0.58/1.00      ( X1 = divide(divide(divide(X2,X2),divide(X2,divide(X1,divide(divide(divide(X2,X2),X2),X3)))),X3) ),
% 0.58/1.00      file('/tmp/WALDMEISTER_21916_n026')).
% 0.58/1.00  cnf('0.1.1.0',plain,
% 0.58/1.00      ( X1 = divide(divide(divide(X2,X2),divide(X2,divide(X1,divide(divide(divide(X2,X2),X2),X3)))),X3) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.1.0.0']),
% 0.58/1.00      [weight('<0,0,0,[0,0,0,1]>')]).
% 0.58/1.00  cnf('0.1.2.0',plain,
% 0.58/1.00      ( divide(divide(divide(X1,X1),divide(X1,divide(X2,divide(divide(divide(X1,X1),X1),X3)))),X3) = X2 ),
% 0.58/1.00      inference(orient,[status(thm)],['0.1.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_1]).
% 0.58/1.00  cnf('0.2.0.0',axiom,
% 0.58/1.00      ( divide(X1,divide(divide(X2,X2),X3)) = multiply(X1,X3) ),
% 0.58/1.00      file('/tmp/WALDMEISTER_21916_n026')).
% 0.58/1.00  cnf('0.2.1.0',plain,
% 0.58/1.00      ( divide(X1,divide(divide(X2,X2),X3)) = multiply(X1,X3) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.2.0.0']),
% 0.58/1.00      [weight('<1,0,0,[0,0,0,2]>')]).
% 0.58/1.00  cnf('0.2.2.0',plain,
% 0.58/1.00      ( divide(X1,divide(divide(X2,X2),X3)) = multiply(X1,X3) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.2.1.0',theory(equality)]),
% 0.58/1.00      [u,rule_2]).
% 0.58/1.00  cnf('0.3.0.0',axiom,
% 0.58/1.00      ( divide(divide(X1,X1),X2) = inverse(X2) ),
% 0.58/1.00      file('/tmp/WALDMEISTER_21916_n026')).
% 0.58/1.00  cnf('0.3.1.0',plain,
% 0.58/1.00      ( divide(divide(X1,X1),X2) = inverse(X2) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.3.0.0']),
% 0.58/1.00      [weight('<2,0,0,[0,0,0,3]>')]).
% 0.58/1.00  cnf('0.3.2.0',plain,
% 0.58/1.00      ( divide(divide(X1,X1),X2) = inverse(X2) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.3.1.0',theory(equality)]),
% 0.58/1.00      [u,rule_3]).
% 0.58/1.00  cnf('0.4.0.0',plain,
% 0.58/1.00      ( divide(X1,divide(divide(X2,X2),X3)) = multiply(X1,X3) ),
% 0.58/1.00      inference(interreduction_right,[status(thm)],['0.2.2.0'])).
% 0.58/1.00  cnf('0.4.0.1',plain,
% 0.58/1.00      ( divide(X1,inverse(X3)) = multiply(X1,X3) ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.4.0.0','0.3.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.2','L')]).
% 0.58/1.00  cnf('0.4.1.0',plain,
% 0.58/1.00      ( divide(X1,inverse(X3)) = multiply(X1,X3) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.4.0.1']),
% 0.58/1.00      [weight('<39,2,3,[0,0,0,0]>')]).
% 0.58/1.00  cnf('0.4.2.0',plain,
% 0.58/1.00      ( divide(X1,inverse(X2)) = multiply(X1,X2) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.4.1.0',theory(equality)]),
% 0.58/1.00      [u,rule_4]).
% 0.58/1.00  cnf('0.5.0.0',plain,
% 0.58/1.00      ( multiply(divide(X1,X1),X2) = inverse(inverse(X2)) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.4.2.0','0.3.2.0',theory(equality)]),
% 0.58/1.00      [pos('L','L')]).
% 0.58/1.00  cnf('0.5.1.0',plain,
% 0.58/1.00      ( multiply(divide(X1,X1),X2) = inverse(inverse(X2)) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.5.0.0']),
% 0.58/1.00      [weight('<53,4,3,[1,0,0,0]>')]).
% 0.58/1.00  cnf('0.5.2.0',plain,
% 0.58/1.00      ( multiply(divide(X1,X1),X2) = inverse(inverse(X2)) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.5.1.0',theory(equality)]),
% 0.58/1.00      [u,rule_5]).
% 0.58/1.00  cnf('0.6.0.0',plain,
% 0.58/1.00      ( inverse(X1) = divide(inverse(divide(X2,X2)),X1) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.3.2.0','0.3.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1','L')]).
% 0.58/1.00  cnf('0.6.1.0',plain,
% 0.58/1.00      ( inverse(X1) = divide(inverse(divide(X2,X2)),X1) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.6.0.0']),
% 0.58/1.00      [weight('<62,3,3,[0,0,0,1]>')]).
% 0.58/1.00  cnf('0.6.2.0',plain,
% 0.58/1.00      ( divide(inverse(divide(X1,X1)),X2) = inverse(X2) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.6.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_6]).
% 0.58/1.00  cnf('0.8.0.0',plain,
% 0.58/1.00      ( inverse(inverse(X1)) = multiply(inverse(divide(X2,X2)),X1) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.5.2.0','0.3.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1','L')]).
% 0.58/1.00  cnf('0.8.1.0',plain,
% 0.58/1.00      ( inverse(inverse(X1)) = multiply(inverse(divide(X2,X2)),X1) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.8.0.0']),
% 0.58/1.00      [weight('<69,5,3,[1,0,0,1]>')]).
% 0.58/1.00  cnf('0.8.2.0',plain,
% 0.58/1.00      ( multiply(inverse(divide(X1,X1)),X2) = inverse(inverse(X2)) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.8.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_8]).
% 0.58/1.00  cnf('0.9.0.0',plain,
% 0.58/1.00      ( inverse(inverse(X1)) = multiply(multiply(inverse(X2),X2),X1) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.5.2.0','0.4.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1','L')]).
% 0.58/1.00  cnf('0.9.1.0',plain,
% 0.58/1.00      ( inverse(inverse(X1)) = multiply(multiply(inverse(X2),X2),X1) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.9.0.0']),
% 0.58/1.00      [weight('<69,5,4,[1,0,0,1]>')]).
% 0.58/1.00  cnf('0.9.2.0',plain,
% 0.58/1.00      ( multiply(multiply(inverse(X1),X1),X2) = inverse(inverse(X2)) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.9.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_9]).
% 0.58/1.00  cnf('0.10.0.0',plain,
% 0.58/1.00      ( inverse(X1) = divide(inverse(inverse(divide(X2,X2))),X1) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.3.2.0','0.6.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1','L')]).
% 0.58/1.00  cnf('0.10.1.0',plain,
% 0.58/1.00      ( inverse(X1) = divide(inverse(inverse(divide(X2,X2))),X1) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.10.0.0']),
% 0.58/1.00      [weight('<79,6,3,[0,0,0,1]>')]).
% 0.58/1.00  cnf('0.10.2.0',plain,
% 0.58/1.00      ( divide(inverse(inverse(divide(X1,X1))),X2) = inverse(X2) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.10.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_10]).
% 0.58/1.00  cnf('0.16.0.0',plain,
% 0.58/1.00      ( inverse(inverse(X1)) = multiply(inverse(inverse(inverse(divide(X2,X2)))),X1) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.8.2.0','0.6.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1.1','L')]).
% 0.58/1.00  cnf('0.16.1.0',plain,
% 0.58/1.00      ( inverse(inverse(X1)) = multiply(inverse(inverse(inverse(divide(X2,X2)))),X1) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.16.0.0']),
% 0.58/1.00      [weight('<107,8,6,[1,0,0,2]>')]).
% 0.58/1.00  cnf('0.16.2.0',plain,
% 0.58/1.00      ( multiply(inverse(inverse(inverse(divide(X1,X1)))),X2) = inverse(inverse(X2)) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.16.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_16]).
% 0.58/1.00  cnf('0.26.0.0',plain,
% 0.58/1.00      ( divide(divide(divide(X1,X1),divide(X1,divide(X2,divide(divide(divide(X1,X1),X1),X3)))),X3) = X2 ),
% 0.58/1.00      inference(interreduction_right,[status(thm)],['0.1.2.0'])).
% 0.58/1.00  cnf('0.26.0.1',plain,
% 0.58/1.00      ( divide(inverse(divide(X1,divide(X2,divide(divide(divide(X1,X1),X1),X3)))),X3) = X2 ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.26.0.0','0.3.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1','L')]).
% 0.58/1.00  cnf('0.26.0.2',plain,
% 0.58/1.00      ( divide(inverse(divide(X1,divide(X2,divide(inverse(X1),X3)))),X3) = X2 ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.26.0.1','0.3.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1.1.2.2.1','L')]).
% 0.58/1.00  cnf('0.26.1.0',plain,
% 0.58/1.00      ( divide(inverse(divide(X1,divide(X2,divide(inverse(X1),X3)))),X3) = X2 ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.26.0.2']),
% 0.58/1.00      [weight('<155,1,3,[0,0,0,0]>')]).
% 0.58/1.00  cnf('0.26.2.0',plain,
% 0.58/1.00      ( divide(inverse(divide(X1,divide(X2,divide(inverse(X1),X3)))),X3) = X2 ),
% 0.58/1.00      inference(orient,[status(thm)],['0.26.1.0',theory(equality)]),
% 0.58/1.00      [u,rule_26]).
% 0.58/1.00  cnf('0.27.0.0',plain,
% 0.58/1.00      ( X1 = divide(inverse(inverse(divide(X1,divide(inverse(divide(X2,X2)),X3)))),X3) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.26.2.0','0.3.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1.1','L')]).
% 0.58/1.00  cnf('0.27.0.1',plain,
% 0.58/1.00      ( X1 = divide(inverse(inverse(divide(X1,inverse(X3)))),X3) ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.27.0.0','0.6.2.0',theory(equality)]),
% 0.58/1.00      [pos('R.1.1.1.2','L')]).
% 0.58/1.00  cnf('0.27.0.2',plain,
% 0.58/1.00      ( X1 = divide(inverse(inverse(multiply(X1,X3))),X3) ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.27.0.1','0.4.2.0',theory(equality)]),
% 0.58/1.00      [pos('R.1.1.1','L')]).
% 0.58/1.00  cnf('0.27.1.0',plain,
% 0.58/1.00      ( X1 = divide(inverse(inverse(multiply(X1,X3))),X3) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.27.0.2']),
% 0.58/1.00      [weight('<71,26,3,[1,0,0,2]>')]).
% 0.58/1.00  cnf('0.27.2.0',plain,
% 0.58/1.00      ( divide(inverse(inverse(multiply(X1,X2))),X2) = X1 ),
% 0.58/1.00      inference(orient,[status(thm)],['0.27.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_27]).
% 0.58/1.00  cnf('0.28.0.0',plain,
% 0.58/1.00      ( X1 = multiply(inverse(inverse(multiply(X1,inverse(X2)))),X2) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.27.2.0','0.4.2.0',theory(equality)]),
% 0.58/1.00      [pos('L','L')]).
% 0.58/1.00  cnf('0.28.1.0',plain,
% 0.58/1.00      ( X1 = multiply(inverse(inverse(multiply(X1,inverse(X2)))),X2) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.28.0.0']),
% 0.58/1.00      [weight('<89,27,4,[1,0,0,0]>')]).
% 0.58/1.00  cnf('0.28.2.0',plain,
% 0.58/1.00      ( multiply(inverse(inverse(multiply(X1,inverse(X2)))),X2) = X1 ),
% 0.58/1.00      inference(orient,[status(thm)],['0.28.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_28]).
% 0.58/1.00  cnf('0.29.0.0',plain,
% 0.58/1.00      ( inverse(inverse(multiply(X1,inverse(X2)))) = divide(inverse(inverse(X1)),X2) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.27.2.0','0.28.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1.1.1','L')]).
% 0.58/1.00  cnf('0.29.1.0',plain,
% 0.58/1.00      ( inverse(inverse(multiply(X1,inverse(X2)))) = divide(inverse(inverse(X1)),X2) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.29.0.0']),
% 0.58/1.00      [weight('<83,28,27,[0,0,0,3]>')]).
% 0.58/1.00  cnf('0.29.2.0',plain,
% 0.58/1.00      ( inverse(inverse(multiply(X1,inverse(X2)))) = divide(inverse(inverse(X1)),X2) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.29.1.0',theory(equality)]),
% 0.58/1.00      [u,rule_29]).
% 0.58/1.00  cnf('0.31.0.0',plain,
% 0.58/1.00      ( multiply(inverse(inverse(multiply(X1,inverse(X2)))),X2) = X1 ),
% 0.58/1.00      inference(interreduction_right,[status(thm)],['0.28.2.0'])).
% 0.58/1.00  cnf('0.31.0.1',plain,
% 0.58/1.00      ( multiply(divide(inverse(inverse(X1)),X2),X2) = X1 ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.31.0.0','0.29.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1','L')]).
% 0.58/1.00  cnf('0.31.1.0',plain,
% 0.58/1.00      ( multiply(divide(inverse(inverse(X1)),X2),X2) = X1 ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.31.0.1']),
% 0.58/1.00      [weight('<71,28,29,[0,0,0,0]>')]).
% 0.58/1.00  cnf('0.31.2.0',plain,
% 0.58/1.00      ( multiply(divide(inverse(inverse(X1)),X2),X2) = X1 ),
% 0.58/1.00      inference(orient,[status(thm)],['0.31.1.0',theory(equality)]),
% 0.58/1.00      [u,rule_31]).
% 0.58/1.00  cnf('0.32.0.0',plain,
% 0.58/1.00      ( X1 = inverse(inverse(inverse(inverse(X1)))) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.31.2.0','0.5.2.0',theory(equality)]),
% 0.58/1.00      [pos('L','L')]).
% 0.58/1.00  cnf('0.32.1.0',plain,
% 0.58/1.00      ( X1 = inverse(inverse(inverse(inverse(X1)))) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.32.0.0']),
% 0.58/1.00      [weight('<41,31,5,[1,0,0,0]>')]).
% 0.58/1.00  cnf('0.32.2.0',plain,
% 0.58/1.00      ( inverse(inverse(inverse(inverse(X1)))) = X1 ),
% 0.58/1.00      inference(orient,[status(thm)],['0.32.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_32]).
% 0.58/1.00  cnf('0.33.0.0',plain,
% 0.58/1.00      ( inverse(inverse(X1)) = multiply(divide(X1,X2),X2) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.31.2.0','0.32.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1.1','L')]).
% 0.58/1.00  cnf('0.33.1.0',plain,
% 0.58/1.00      ( inverse(inverse(X1)) = multiply(divide(X1,X2),X2) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.33.0.0']),
% 0.58/1.00      [weight('<53,32,31,[0,0,0,2]>')]).
% 0.58/1.00  cnf('0.33.2.0',plain,
% 0.58/1.00      ( multiply(divide(X1,X2),X2) = inverse(inverse(X1)) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.33.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_33]).
% 0.58/1.00  cnf('0.34.0.0',plain,
% 0.58/1.00      ( inverse(inverse(inverse(inverse(divide(X1,X1))))) = multiply(inverse(X2),X2) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.33.2.0','0.10.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1','L')]).
% 0.58/1.00  cnf('0.34.0.1',plain,
% 0.58/1.00      ( divide(X1,X1) = multiply(inverse(X2),X2) ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.34.0.0','0.32.2.0',theory(equality)]),
% 0.58/1.00      [pos('L','L')]).
% 0.58/1.00  cnf('0.34.1.0',plain,
% 0.58/1.00      ( divide(X1,X1) = multiply(inverse(X2),X2) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.34.0.1']),
% 0.58/1.00      [weight('<63,33,10,[1,0,0,1]>')]).
% 0.58/1.00  cnf('0.34.2.0',plain,
% 0.58/1.00      ( divide(X1,X1) = multiply(inverse(X2),X2) ),
% 0.58/1.00      inference(activate,[status(thm)],['0.34.1.0']),
% 0.58/1.00      [equation_1]).
% 0.58/1.00  cnf('0.34.2.1',plain,
% 0.58/1.00      ( divide(X1,X1) = multiply(inverse(b2),b2) ),
% 0.58/1.00      inference(instr,[status(thm)],['0.34.2.0',theory(equality)])).
% 0.58/1.00  cnf('0.34.2.2',plain,
% 0.58/1.00      ( divide(b2,b2) = multiply(inverse(X1),X1) ),
% 0.58/1.00      inference(instl,[status(thm)],['0.34.2.0',theory(equality)])).
% 0.58/1.00  cnf('0.35.0.0',plain,
% 0.58/1.00      ( divide(X1,X1) = inverse(inverse(inverse(inverse(divide(X2,X2))))) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.34.2.0','0.16.2.0',theory(equality)]),
% 0.58/1.00      [pos('R','L')]).
% 0.58/1.00  cnf('0.35.0.1',plain,
% 0.58/1.00      ( divide(X1,X1) = divide(X2,X2) ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.35.0.0','0.32.2.0',theory(equality)]),
% 0.58/1.00      [pos('R','L')]).
% 0.58/1.00  cnf('0.35.1.0',plain,
% 0.58/1.00      ( divide(X1,X1) = divide(X2,X2) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.35.0.1']),
% 0.58/1.00      [weight('<48,34,16,[1,1,0,0]>')]).
% 0.58/1.00  cnf('0.35.2.0',plain,
% 0.58/1.00      ( divide(X1,X1) = divide(X2,X2) ),
% 0.58/1.00      inference(activate,[status(thm)],['0.35.1.0']),
% 0.58/1.00      [equation_2]).
% 0.58/1.00  cnf('0.35.2.1',plain,
% 0.58/1.00      ( divide(X1,X1) = divide(b2,b2) ),
% 0.58/1.00      inference(instr,[status(thm)],['0.35.2.0',theory(equality)])).
% 0.58/1.00  cnf('0.35.2.2',plain,
% 0.58/1.00      ( divide(b2,b2) = divide(X1,X1) ),
% 0.58/1.00      inference(instl,[status(thm)],['0.35.2.0',theory(equality)])).
% 0.58/1.00  cnf('0.43.0.0',plain,
% 0.58/1.00      ( divide(inverse(X1),X2) = divide(inverse(divide(X1,divide(X3,X3))),X2) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.26.2.0','0.35.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1.1.2','L')]).
% 0.58/1.00  cnf('0.43.1.0',plain,
% 0.58/1.00      ( divide(inverse(X1),X2) = divide(inverse(divide(X1,divide(X3,X3))),X2) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.43.0.0']),
% 0.58/1.00      [weight('<116,35,26,[0,0,0,4]>')]).
% 0.58/1.00  cnf('0.43.2.0',plain,
% 0.58/1.00      ( divide(inverse(divide(X1,divide(X2,X2))),X3) = divide(inverse(X1),X3) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.43.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_40]).
% 0.58/1.00  cnf('0.44.0.0',plain,
% 0.58/1.00      ( inverse(divide(X1,divide(X2,X2))) = divide(inverse(divide(X3,divide(inverse(X1),divide(inverse(X3),X4)))),X4) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.26.2.0','0.43.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1.1.2','L')]).
% 0.58/1.00  cnf('0.44.0.1',plain,
% 0.58/1.00      ( inverse(divide(X1,divide(X2,X2))) = inverse(X1) ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.44.0.0','0.26.2.0',theory(equality)]),
% 0.58/1.00      [pos('R','L')]).
% 0.58/1.00  cnf('0.44.1.0',plain,
% 0.58/1.00      ( inverse(divide(X1,divide(X2,X2))) = inverse(X1) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.44.0.1']),
% 0.58/1.00      [weight('<62,43,26,[0,0,0,4]>')]).
% 0.58/1.00  cnf('0.44.2.0',plain,
% 0.58/1.00      ( inverse(divide(X1,divide(X2,X2))) = inverse(X1) ),
% 0.58/1.00      inference(orient,[status(thm)],['0.44.1.0',theory(equality)]),
% 0.58/1.00      [u,rule_41]).
% 0.58/1.00  cnf('0.45.0.0',plain,
% 0.58/1.00      ( divide(X1,divide(X2,X2)) = inverse(inverse(inverse(inverse(X1)))) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.32.2.0','0.44.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1.1.1','L')]).
% 0.58/1.00  cnf('0.45.0.1',plain,
% 0.58/1.00      ( divide(X1,divide(X2,X2)) = X1 ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.45.0.0','0.32.2.0',theory(equality)]),
% 0.58/1.00      [pos('R','L')]).
% 0.58/1.00  cnf('0.45.1.0',plain,
% 0.58/1.00      ( divide(X1,divide(X2,X2)) = X1 ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.45.0.1']),
% 0.58/1.00      [weight('<41,44,32,[0,0,0,3]>')]).
% 0.58/1.00  cnf('0.45.2.0',plain,
% 0.58/1.00      ( divide(X1,divide(X2,X2)) = X1 ),
% 0.58/1.00      inference(orient,[status(thm)],['0.45.1.0',theory(equality)]),
% 0.58/1.00      [u,rule_42]).
% 0.58/1.00  cnf('0.46.0.0',plain,
% 0.58/1.00      ( X1 = divide(X1,inverse(divide(X2,X2))) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.45.2.0','0.3.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.2','L')]).
% 0.58/1.00  cnf('0.46.0.1',plain,
% 0.58/1.00      ( X1 = multiply(X1,divide(X2,X2)) ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.46.0.0','0.4.2.0',theory(equality)]),
% 0.58/1.00      [pos('R','L')]).
% 0.58/1.00  cnf('0.46.1.0',plain,
% 0.58/1.00      ( X1 = multiply(X1,divide(X2,X2)) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.46.0.1']),
% 0.58/1.00      [weight('<41,45,3,[1,0,0,2]>')]).
% 0.58/1.00  cnf('0.46.2.0',plain,
% 0.58/1.00      ( multiply(X1,divide(X2,X2)) = X1 ),
% 0.58/1.00      inference(orient,[status(thm)],['0.46.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_43]).
% 0.58/1.00  cnf('0.47.0.0',plain,
% 0.58/1.00      ( X1 = divide(inverse(inverse(X1)),divide(X2,X2)) ),
% 0.58/1.00      inference(cp,[status(thm)],['0.27.2.0','0.46.2.0',theory(equality)]),
% 0.58/1.00      [pos('L.1.1.1','L')]).
% 0.58/1.00  cnf('0.47.0.1',plain,
% 0.58/1.00      ( X1 = inverse(inverse(X1)) ),
% 0.58/1.00      inference(reduction,[status(thm)],['0.47.0.0','0.45.2.0',theory(equality)]),
% 0.58/1.00      [pos('R','L')]).
% 0.58/1.00  cnf('0.47.1.0',plain,
% 0.58/1.00      ( X1 = inverse(inverse(X1)) ),
% 0.58/1.00      inference(weigh,[status(thm)],['0.47.0.1']),
% 0.58/1.00      [weight('<19,46,27,[0,0,0,3]>')]).
% 0.58/1.00  cnf('0.47.2.0',plain,
% 0.58/1.00      ( inverse(inverse(X1)) = X1 ),
% 0.58/1.00      inference(orient,[status(thm)],['0.47.1.0',theory(equality)]),
% 0.58/1.00      [x,rule_44]).
% 0.58/1.00  cnf('1.0.0.0',conjecture,
% 0.58/1.00      ( multiply(multiply(inverse(b2),b2),a2) = a2 ),
% 0.58/1.00      file('/tmp/WALDMEISTER_21916_n026',conjecture_1)).
% 0.58/1.00  cnf('1.0.0.1',plain,
% 0.58/1.00      ( inverse(inverse(a2)) = a2 ),
% 0.58/1.00      inference(reduction,[status(thm)],['1.0.0.0','0.9.2.0',theory(equality)]),
% 0.58/1.00      [pos('L','L')]).
% 0.58/1.00  cnf('1.0.0.2',plain,
% 0.58/1.00      ( a2 = a2 ),
% 0.58/1.00      inference(reduction,[status(thm)],['1.0.0.1','0.47.2.0',theory(equality)]),
% 0.58/1.00      [pos('L','L')]).
% 0.58/1.00  cnf('1.0.0.3',plain,
% 0.58/1.00      ( $true ),
% 0.58/1.00      inference(trivial,[status(thm)],['1.0.0.2',theory(equality)]),
% 0.58/1.00      [conjecture_1]).
% 0.58/1.00  
% 0.58/1.00  Proved Goals:
% 0.58/1.00  No.  1:  multiply(multiply(inverse(b2),b2),a2) ?= a2 joined, current: a2 = a2
% 0.58/1.00  1 goal was specified, which was proved.
% 0.58/1.00  % SZS output end CNFRefutation
% 0.58/1.00  #END OF PROOF
% 0.58/1.00  
% 0.58/1.00  Problem         WALDMEISTER_21916_n026 
% 0.58/1.00  CPs.gen                  673 
% 0.58/1.00  CPs.reexp                  0 
% 0.58/1.00  Select                   212 
% 0.58/1.00  R                         44 
% 0.58/1.00  E                          3 
% 0.58/1.00  vsize                   6.4M 
% 0.58/1.00  rss                     3.8M 
% 0.58/1.00  process.time          0.006s 
% 0.58/1.00  wallclock.time        0.006s 
% 0.58/1.00  status                     S
% 0.58/1.00  
% 0.58/1.00  
% 0.58/1.00  Waldmeister states: Goal proved.
% 0.58/1.00  % SZS status Unsatisfiable
%------------------------------------------------------------------------------