TSTP Solution File: GRP581-1 by Waldmeister---710

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Waldmeister---710
% Problem  : GRP581-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : woody %s

% Computer : n015.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 12:27:00 EDT 2022

% Result   : Unsatisfiable 0.61s 0.99s
% Output   : CNFRefutation 0.61s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP581-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.13  % Command  : woody %s
% 0.13/0.34  % Computer : n015.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Mon Jun 13 04:41:07 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.61/0.99  ********************************************************************************
% 0.61/0.99  *                             W A L D M E I S T E R           \|  \ /      \|/ *
% 0.61/0.99  *                                                              |/  |    \/  |  *
% 0.61/0.99  *              (C) 1994-2010  A. Buch and Th. Hillenbrand,      \ /      \ /   *
% 0.61/0.99  *                             A. Jaeger and B. Loechner          |        |    *
% 0.61/0.99  *                             <waldmeister@informatik.uni-kl.de>          |    *
% 0.61/0.99  ********************************************************************************
% 0.61/0.99  
% 0.61/0.99  
% 0.61/0.99  Goals:
% 0.61/0.99  ------
% 0.61/0.99  
% 0.61/0.99  (   1)  identity ?=? multiply(inverse(a1),a1)
% 0.61/0.99  
% 0.61/0.99  Detected structure: Orkus
% 0.61/0.99  ********************************************************************************
% 0.61/0.99  ****************************** COMPLETION - PROOF ******************************
% 0.61/0.99  ********************************************************************************
% 0.61/0.99  
% 0.61/0.99  joined goal:             1  identity ?= multiply(inverse(a1),a1) to inverse(identity)
% 0.61/0.99  goal joined
% 0.61/0.99  % SZS status Unsatisfiable
% 0.61/0.99  #START OF PROOF
% 0.61/0.99  % SZS output start CNFRefutation
% 0.61/0.99  cnf('0.1.0.0',axiom,
% 0.61/0.99      ( X1 = double_divide(double_divide(X2,double_divide(double_divide(identity,X3),double_divide(X1,double_divide(X3,X2)))),double_divide(identity,identity)) ),
% 0.61/0.99      file('/tmp/WALDMEISTER_13793_n015')).
% 0.61/0.99  cnf('0.1.1.0',plain,
% 0.61/0.99      ( X1 = double_divide(double_divide(X2,double_divide(double_divide(identity,X3),double_divide(X1,double_divide(X3,X2)))),double_divide(identity,identity)) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.1.0.0']),
% 0.61/0.99      [weight('<0,0,0,[0,0,0,1]>')]).
% 0.61/0.99  cnf('0.1.2.0',plain,
% 0.61/0.99      ( double_divide(double_divide(X1,double_divide(double_divide(identity,X2),double_divide(X3,double_divide(X2,X1)))),double_divide(identity,identity)) = X3 ),
% 0.61/0.99      inference(orient,[status(thm)],['0.1.1.0',theory(equality)]),
% 0.61/0.99      [x,rule_1]).
% 0.61/0.99  cnf('0.2.0.0',axiom,
% 0.61/0.99      ( double_divide(X1,identity) = inverse(X1) ),
% 0.61/0.99      file('/tmp/WALDMEISTER_13793_n015')).
% 0.61/0.99  cnf('0.2.1.0',plain,
% 0.61/0.99      ( double_divide(X1,identity) = inverse(X1) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.2.0.0']),
% 0.61/0.99      [weight('<1,0,0,[0,0,0,2]>')]).
% 0.61/0.99  cnf('0.2.2.0',plain,
% 0.61/0.99      ( double_divide(X1,identity) = inverse(X1) ),
% 0.61/0.99      inference(orient,[status(thm)],['0.2.1.0',theory(equality)]),
% 0.61/0.99      [u,rule_2]).
% 0.61/0.99  cnf('0.3.0.0',axiom,
% 0.61/0.99      ( double_divide(X1,inverse(X1)) = identity ),
% 0.61/0.99      file('/tmp/WALDMEISTER_13793_n015')).
% 0.61/0.99  cnf('0.3.1.0',plain,
% 0.61/0.99      ( double_divide(X1,inverse(X1)) = identity ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.3.0.0']),
% 0.61/0.99      [weight('<2,0,0,[0,0,0,3]>')]).
% 0.61/0.99  cnf('0.3.2.0',plain,
% 0.61/0.99      ( double_divide(X1,inverse(X1)) = identity ),
% 0.61/0.99      inference(orient,[status(thm)],['0.3.1.0',theory(equality)]),
% 0.61/0.99      [u,rule_3]).
% 0.61/0.99  cnf('0.4.0.0',axiom,
% 0.61/0.99      ( double_divide(double_divide(X1,X2),identity) = multiply(X2,X1) ),
% 0.61/0.99      file('/tmp/WALDMEISTER_13793_n015')).
% 0.61/0.99  cnf('0.4.1.0',plain,
% 0.61/0.99      ( double_divide(double_divide(X1,X2),identity) = multiply(X2,X1) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.4.0.0']),
% 0.61/0.99      [weight('<3,0,0,[0,0,0,4]>')]).
% 0.61/0.99  cnf('0.4.1.1',plain,
% 0.61/0.99      ( inverse(double_divide(X1,X2)) = multiply(X2,X1) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.4.1.0','0.2.2.0',theory(equality)]),
% 0.61/0.99      [pos('L','L')]).
% 0.61/0.99  cnf('0.4.2.0',plain,
% 0.61/0.99      ( inverse(double_divide(X1,X2)) = multiply(X2,X1) ),
% 0.61/0.99      inference(orient,[status(thm)],['0.4.1.1',theory(equality)]),
% 0.61/0.99      [u,rule_4]).
% 0.61/0.99  cnf('0.5.0.0',plain,
% 0.61/0.99      ( multiply(identity,X1) = inverse(inverse(X1)) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.4.2.0','0.2.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1','L')]).
% 0.61/0.99  cnf('0.5.1.0',plain,
% 0.61/0.99      ( multiply(identity,X1) = inverse(inverse(X1)) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.5.0.0']),
% 0.61/0.99      [weight('<27,4,2,[1,0,0,1]>')]).
% 0.61/0.99  cnf('0.5.2.0',plain,
% 0.61/0.99      ( inverse(inverse(X1)) = multiply(identity,X1) ),
% 0.61/0.99      inference(orient,[status(thm)],['0.5.1.0',theory(equality)]),
% 0.61/0.99      [x,rule_5]).
% 0.61/0.99  cnf('0.6.0.0',plain,
% 0.61/0.99      ( multiply(inverse(X1),X1) = inverse(identity) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.4.2.0','0.3.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1','L')]).
% 0.61/0.99  cnf('0.6.1.0',plain,
% 0.61/0.99      ( multiply(inverse(X1),X1) = inverse(identity) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.6.0.0']),
% 0.61/0.99      [weight('<34,4,3,[1,0,0,1]>')]).
% 0.61/0.99  cnf('0.6.2.0',plain,
% 0.61/0.99      ( multiply(inverse(X1),X1) = inverse(identity) ),
% 0.61/0.99      inference(orient,[status(thm)],['0.6.1.0',theory(equality)]),
% 0.61/0.99      [u,rule_6]).
% 0.61/0.99  cnf('0.7.0.0',plain,
% 0.61/0.99      ( multiply(identity,inverse(X1)) = inverse(multiply(identity,X1)) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.5.2.0','0.5.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1','L')]).
% 0.61/0.99  cnf('0.7.1.0',plain,
% 0.61/0.99      ( multiply(identity,inverse(X1)) = inverse(multiply(identity,X1)) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.7.0.0']),
% 0.61/0.99      [weight('<44,5,5,[0,0,0,1]>')]).
% 0.61/0.99  cnf('0.7.2.0',plain,
% 0.61/0.99      ( inverse(multiply(identity,X1)) = multiply(identity,inverse(X1)) ),
% 0.61/0.99      inference(orient,[status(thm)],['0.7.1.0',theory(equality)]),
% 0.61/0.99      [x,rule_7]).
% 0.61/0.99  cnf('0.19.0.0',plain,
% 0.61/0.99      ( double_divide(double_divide(X1,double_divide(double_divide(identity,X2),double_divide(X3,double_divide(X2,X1)))),double_divide(identity,identity)) = X3 ),
% 0.61/0.99      inference(interreduction_right,[status(thm)],['0.1.2.0'])).
% 0.61/0.99  cnf('0.19.0.1',plain,
% 0.61/0.99      ( double_divide(double_divide(X1,double_divide(double_divide(identity,X2),double_divide(X3,double_divide(X2,X1)))),inverse(identity)) = X3 ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.19.0.0','0.2.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.2','L')]).
% 0.61/0.99  cnf('0.19.1.0',plain,
% 0.61/0.99      ( double_divide(double_divide(X1,double_divide(double_divide(identity,X2),double_divide(X3,double_divide(X2,X1)))),inverse(identity)) = X3 ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.19.0.1']),
% 0.61/0.99      [weight('<239,1,2,[0,0,0,0]>')]).
% 0.61/0.99  cnf('0.19.2.0',plain,
% 0.61/0.99      ( double_divide(double_divide(X1,double_divide(double_divide(identity,X2),double_divide(X3,double_divide(X2,X1)))),inverse(identity)) = X3 ),
% 0.61/0.99      inference(orient,[status(thm)],['0.19.1.0',theory(equality)]),
% 0.61/0.99      [u,rule_19]).
% 0.61/0.99  cnf('0.20.0.0',plain,
% 0.61/0.99      ( X1 = double_divide(double_divide(inverse(X2),double_divide(double_divide(identity,X2),double_divide(X1,identity))),inverse(identity)) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.19.2.0','0.3.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1.2.2.2','L')]).
% 0.61/0.99  cnf('0.20.0.1',plain,
% 0.61/0.99      ( X1 = double_divide(double_divide(inverse(X2),double_divide(double_divide(identity,X2),inverse(X1))),inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.20.0.0','0.2.2.0',theory(equality)]),
% 0.61/0.99      [pos('R.1.2.2','L')]).
% 0.61/0.99  cnf('0.20.1.0',plain,
% 0.61/0.99      ( X1 = double_divide(double_divide(inverse(X2),double_divide(double_divide(identity,X2),inverse(X1))),inverse(identity)) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.20.0.1']),
% 0.61/0.99      [weight('<181,19,3,[1,0,0,9]>')]).
% 0.61/0.99  cnf('0.20.2.0',plain,
% 0.61/0.99      ( double_divide(double_divide(inverse(X1),double_divide(double_divide(identity,X1),inverse(X2))),inverse(identity)) = X2 ),
% 0.61/0.99      inference(orient,[status(thm)],['0.20.1.0',theory(equality)]),
% 0.61/0.99      [x,rule_20]).
% 0.61/0.99  cnf('0.21.0.0',plain,
% 0.61/0.99      ( double_divide(identity,X1) = double_divide(double_divide(inverse(X1),identity),inverse(identity)) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.20.2.0','0.3.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1.2','L')]).
% 0.61/0.99  cnf('0.21.0.1',plain,
% 0.61/0.99      ( double_divide(identity,X1) = double_divide(inverse(inverse(X1)),inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.21.0.0','0.2.2.0',theory(equality)]),
% 0.61/0.99      [pos('R.1','L')]).
% 0.61/0.99  cnf('0.21.0.2',plain,
% 0.61/0.99      ( double_divide(identity,X1) = double_divide(multiply(identity,X1),inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.21.0.1','0.5.2.0',theory(equality)]),
% 0.61/0.99      [pos('R.1','L')]).
% 0.61/0.99  cnf('0.21.1.0',plain,
% 0.61/0.99      ( double_divide(identity,X1) = double_divide(multiply(identity,X1),inverse(identity)) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.21.0.2']),
% 0.61/0.99      [weight('<69,20,3,[1,0,0,4]>')]).
% 0.61/0.99  cnf('0.21.2.0',plain,
% 0.61/0.99      ( double_divide(multiply(identity,X1),inverse(identity)) = double_divide(identity,X1) ),
% 0.61/0.99      inference(orient,[status(thm)],['0.21.1.0',theory(equality)]),
% 0.61/0.99      [x,rule_21]).
% 0.61/0.99  cnf('0.26.0.0',plain,
% 0.61/0.99      ( X1 = double_divide(double_divide(inverse(inverse(identity)),double_divide(identity,inverse(X1))),inverse(identity)) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.20.2.0','0.3.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1.2.1','L')]).
% 0.61/0.99  cnf('0.26.0.1',plain,
% 0.61/0.99      ( X1 = double_divide(double_divide(multiply(identity,identity),double_divide(identity,inverse(X1))),inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.26.0.0','0.5.2.0',theory(equality)]),
% 0.61/0.99      [pos('R.1.1','L')]).
% 0.61/0.99  cnf('0.26.1.0',plain,
% 0.61/0.99      ( X1 = double_divide(double_divide(multiply(identity,identity),double_divide(identity,inverse(X1))),inverse(identity)) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.26.0.1']),
% 0.61/0.99      [weight('<155,20,3,[1,0,0,5]>')]).
% 0.61/0.99  cnf('0.26.2.0',plain,
% 0.61/0.99      ( double_divide(double_divide(multiply(identity,identity),double_divide(identity,inverse(X1))),inverse(identity)) = X1 ),
% 0.61/0.99      inference(orient,[status(thm)],['0.26.1.0',theory(equality)]),
% 0.61/0.99      [x,rule_26]).
% 0.61/0.99  cnf('0.33.0.0',plain,
% 0.61/0.99      ( double_divide(X1,X2) = double_divide(double_divide(multiply(identity,identity),double_divide(identity,multiply(X2,X1))),inverse(identity)) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.26.2.0','0.4.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1.2.2','L')]).
% 0.61/0.99  cnf('0.33.1.0',plain,
% 0.61/0.99      ( double_divide(X1,X2) = double_divide(double_divide(multiply(identity,identity),double_divide(identity,multiply(X2,X1))),inverse(identity)) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.33.0.0']),
% 0.61/0.99      [weight('<207,26,4,[1,0,0,7]>')]).
% 0.61/0.99  cnf('0.33.2.0',plain,
% 0.61/0.99      ( double_divide(double_divide(multiply(identity,identity),double_divide(identity,multiply(X1,X2))),inverse(identity)) = double_divide(X2,X1) ),
% 0.61/0.99      inference(orient,[status(thm)],['0.33.1.0',theory(equality)]),
% 0.61/0.99      [x,rule_33]).
% 0.61/0.99  cnf('0.36.0.0',plain,
% 0.61/0.99      ( X1 = double_divide(double_divide(X2,double_divide(inverse(identity),double_divide(X1,double_divide(identity,X2)))),inverse(identity)) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.19.2.0','0.2.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1.2.1','L')]).
% 0.61/0.99  cnf('0.36.1.0',plain,
% 0.61/0.99      ( X1 = double_divide(double_divide(X2,double_divide(inverse(identity),double_divide(X1,double_divide(identity,X2)))),inverse(identity)) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.36.0.0']),
% 0.61/0.99      [weight('<209,19,2,[1,0,0,4]>')]).
% 0.61/0.99  cnf('0.36.2.0',plain,
% 0.61/0.99      ( double_divide(double_divide(X1,double_divide(inverse(identity),double_divide(X2,double_divide(identity,X1)))),inverse(identity)) = X2 ),
% 0.61/0.99      inference(orient,[status(thm)],['0.36.1.0',theory(equality)]),
% 0.61/0.99      [x,rule_36]).
% 0.61/0.99  cnf('0.37.0.0',plain,
% 0.61/0.99      ( X1 = double_divide(double_divide(identity,double_divide(inverse(identity),double_divide(X1,inverse(identity)))),inverse(identity)) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.36.2.0','0.2.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1.2.2.2','L')]).
% 0.61/0.99  cnf('0.37.1.0',plain,
% 0.61/0.99      ( X1 = double_divide(double_divide(identity,double_divide(inverse(identity),double_divide(X1,inverse(identity)))),inverse(identity)) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.37.0.0']),
% 0.61/0.99      [weight('<181,36,2,[1,0,0,8]>')]).
% 0.61/0.99  cnf('0.37.2.0',plain,
% 0.61/0.99      ( double_divide(double_divide(identity,double_divide(inverse(identity),double_divide(X1,inverse(identity)))),inverse(identity)) = X1 ),
% 0.61/0.99      inference(orient,[status(thm)],['0.37.1.0',theory(equality)]),
% 0.61/0.99      [x,rule_37]).
% 0.61/0.99  cnf('0.38.0.0',plain,
% 0.61/0.99      ( identity = double_divide(double_divide(identity,double_divide(inverse(identity),identity)),inverse(identity)) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.37.2.0','0.3.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1.2.2','L')]).
% 0.61/0.99  cnf('0.38.0.1',plain,
% 0.61/0.99      ( identity = double_divide(double_divide(identity,inverse(inverse(identity))),inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.38.0.0','0.2.2.0',theory(equality)]),
% 0.61/0.99      [pos('R.1.2','L')]).
% 0.61/0.99  cnf('0.38.0.2',plain,
% 0.61/0.99      ( identity = double_divide(double_divide(identity,multiply(identity,identity)),inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.38.0.1','0.5.2.0',theory(equality)]),
% 0.61/0.99      [pos('R.1.2','L')]).
% 0.61/0.99  cnf('0.38.1.0',plain,
% 0.61/0.99      ( identity = double_divide(double_divide(identity,multiply(identity,identity)),inverse(identity)) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.38.0.2']),
% 0.61/0.99      [weight('<89,37,3,[1,0,0,6]>')]).
% 0.61/0.99  cnf('0.38.2.0',plain,
% 0.61/0.99      ( double_divide(double_divide(identity,multiply(identity,identity)),inverse(identity)) = identity ),
% 0.61/0.99      inference(orient,[status(thm)],['0.38.1.0',theory(equality)]),
% 0.61/0.99      [x,rule_38]).
% 0.61/0.99  cnf('0.39.0.0',plain,
% 0.61/0.99      ( identity = double_divide(double_divide(inverse(multiply(identity,identity)),identity),inverse(identity)) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.20.2.0','0.38.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1.2','L')]).
% 0.61/0.99  cnf('0.39.0.1',plain,
% 0.61/0.99      ( identity = double_divide(inverse(inverse(multiply(identity,identity))),inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.39.0.0','0.2.2.0',theory(equality)]),
% 0.61/0.99      [pos('R.1','L')]).
% 0.61/0.99  cnf('0.39.0.2',plain,
% 0.61/0.99      ( identity = double_divide(multiply(identity,multiply(identity,identity)),inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.39.0.1','0.5.2.0',theory(equality)]),
% 0.61/0.99      [pos('R.1','L')]).
% 0.61/0.99  cnf('0.39.0.3',plain,
% 0.61/0.99      ( identity = double_divide(identity,multiply(identity,identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.39.0.2','0.21.2.0',theory(equality)]),
% 0.61/0.99      [pos('R','L')]).
% 0.61/0.99  cnf('0.39.1.0',plain,
% 0.61/0.99      ( identity = double_divide(identity,multiply(identity,identity)) ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.39.0.3']),
% 0.61/0.99      [weight('<41,38,20,[0,0,0,4]>')]).
% 0.61/0.99  cnf('0.39.2.0',plain,
% 0.61/0.99      ( double_divide(identity,multiply(identity,identity)) = identity ),
% 0.61/0.99      inference(orient,[status(thm)],['0.39.1.0',theory(equality)]),
% 0.61/0.99      [x,rule_39]).
% 0.61/0.99  cnf('0.40.0.0',plain,
% 0.61/0.99      ( double_divide(identity,identity) = double_divide(double_divide(multiply(identity,identity),identity),inverse(identity)) ),
% 0.61/0.99      inference(cp,[status(thm)],['0.33.2.0','0.39.2.0',theory(equality)]),
% 0.61/0.99      [pos('L.1.2','L')]).
% 0.61/0.99  cnf('0.40.0.1',plain,
% 0.61/0.99      ( inverse(identity) = double_divide(double_divide(multiply(identity,identity),identity),inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.40.0.0','0.2.2.0',theory(equality)]),
% 0.61/0.99      [pos('L','L')]).
% 0.61/0.99  cnf('0.40.0.2',plain,
% 0.61/0.99      ( inverse(identity) = double_divide(inverse(multiply(identity,identity)),inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.40.0.1','0.2.2.0',theory(equality)]),
% 0.61/0.99      [pos('R.1','L')]).
% 0.61/0.99  cnf('0.40.0.3',plain,
% 0.61/0.99      ( inverse(identity) = double_divide(multiply(identity,inverse(identity)),inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.40.0.2','0.7.2.0',theory(equality)]),
% 0.61/0.99      [pos('R.1','L')]).
% 0.61/0.99  cnf('0.40.0.4',plain,
% 0.61/0.99      ( inverse(identity) = double_divide(identity,inverse(identity)) ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.40.0.3','0.21.2.0',theory(equality)]),
% 0.61/0.99      [pos('R','L')]).
% 0.61/0.99  cnf('0.40.0.5',plain,
% 0.61/0.99      ( inverse(identity) = identity ),
% 0.61/0.99      inference(reduction,[status(thm)],['0.40.0.4','0.3.2.0',theory(equality)]),
% 0.61/0.99      [pos('R','L')]).
% 0.61/0.99  cnf('0.40.1.0',plain,
% 0.61/0.99      ( inverse(identity) = identity ),
% 0.61/0.99      inference(weigh,[status(thm)],['0.40.0.5']),
% 0.61/0.99      [weight('<11,39,33,[0,0,0,5]>')]).
% 0.61/0.99  cnf('0.40.2.0',plain,
% 0.61/0.99      ( inverse(identity) = identity ),
% 0.61/0.99      inference(orient,[status(thm)],['0.40.1.0',theory(equality)]),
% 0.61/0.99      [u,rule_40]).
% 0.61/0.99  cnf('1.0.0.0',conjecture,
% 0.61/0.99      ( identity = multiply(inverse(a1),a1) ),
% 0.61/0.99      file('/tmp/WALDMEISTER_13793_n015',conjecture_1)).
% 0.61/0.99  cnf('1.0.0.1',plain,
% 0.61/0.99      ( identity = inverse(identity) ),
% 0.61/0.99      inference(reduction,[status(thm)],['1.0.0.0','0.6.2.0',theory(equality)]),
% 0.61/0.99      [pos('R','L')]).
% 0.61/0.99  cnf('1.0.0.2',plain,
% 0.61/0.99      ( inverse(identity) = inverse(identity) ),
% 0.61/0.99      inference(reduction,[status(thm)],['1.0.0.1','0.40.2.0',theory(equality)]),
% 0.61/0.99      [pos('L','R')]).
% 0.61/0.99  cnf('1.0.0.3',plain,
% 0.61/0.99      ( $true ),
% 0.61/0.99      inference(trivial,[status(thm)],['1.0.0.2',theory(equality)]),
% 0.61/0.99      [conjecture_1]).
% 0.61/0.99  
% 0.61/0.99  Proved Goals:
% 0.61/0.99  No.  1:  identity ?= multiply(inverse(a1),a1) joined, current: inverse(identity) = inverse(identity)
% 0.61/0.99  1 goal was specified, which was proved.
% 0.61/0.99  % SZS output end CNFRefutation
% 0.61/0.99  #END OF PROOF
% 0.61/0.99  
% 0.61/0.99  Problem         WALDMEISTER_13793_n015 
% 0.61/0.99  CPs.gen                  334 
% 0.61/0.99  CPs.reexp                  0 
% 0.61/0.99  Select                    73 
% 0.61/0.99  R                         40 
% 0.61/0.99  E                          0 
% 0.61/0.99  vsize                   6.4M 
% 0.61/0.99  rss                     3.8M 
% 0.61/0.99  process.time          0.003s 
% 0.61/0.99  wallclock.time        0.003s 
% 0.61/0.99  status                     S
% 0.61/0.99  
% 0.61/0.99  
% 0.61/0.99  Waldmeister states: Goal proved.
% 0.61/0.99  % SZS status Unsatisfiable
%------------------------------------------------------------------------------