TSTP Solution File: LAT006-1 by Waldmeister---710

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Waldmeister---710
% Problem  : LAT006-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : woody %s

% Computer : n014.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 : Sun Jul 17 07:14:37 EDT 2022

% Result   : Unsatisfiable 0.57s 0.97s
% Output   : CNFRefutation 0.57s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : LAT006-1 : TPTP v8.1.0. Released v2.2.0.
% 0.10/0.12  % Command  : woody %s
% 0.13/0.33  % Computer : n014.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Thu Jun 30 04:48:41 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.57/0.96  ********************************************************************************
% 0.57/0.96  *                             W A L D M E I S T E R           \|  \ /      \|/ *
% 0.57/0.96  *                                                              |/  |    \/  |  *
% 0.57/0.96  *              (C) 1994-2010  A. Buch and Th. Hillenbrand,      \ /      \ /   *
% 0.57/0.96  *                             A. Jaeger and B. Loechner          |        |    *
% 0.57/0.96  *                             <waldmeister@informatik.uni-kl.de>          |    *
% 0.57/0.96  ********************************************************************************
% 0.57/0.96  
% 0.57/0.96  
% 0.57/0.96  Goals:
% 0.57/0.96  ------
% 0.57/0.96  
% 0.57/0.96  (   1)  meet(meet(a,b),c) ?=? meet(a,meet(b,c))
% 0.57/0.96  
% 0.57/0.96  Detected structure: Orkus
% 0.57/0.96  ********************************************************************************
% 0.57/0.96  ****************************** COMPLETION - PROOF ******************************
% 0.57/0.96  ********************************************************************************
% 0.57/0.96  
% 0.57/0.97  joined goal:             1  meet(meet(a,b),c) ?= meet(a,meet(b,c)) to meet(meet(c,b),a)
% 0.57/0.97  goal joined
% 0.57/0.97  % SZS status Unsatisfiable
% 0.57/0.97  #START OF PROOF
% 0.57/0.97  % SZS output start CNFRefutation
% 0.57/0.97  cnf('0.1.0.0',axiom,
% 0.57/0.97      ( X1 = meet(X1,join(X1,X2)) ),
% 0.57/0.97      file('/tmp/WALDMEISTER_14067_n014')).
% 0.57/0.97  cnf('0.1.1.0',plain,
% 0.57/0.97      ( X1 = meet(X1,join(X1,X2)) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.1.0.0']),
% 0.57/0.97      [weight('<0,0,0,[0,0,0,1]>')]).
% 0.57/0.97  cnf('0.1.2.0',plain,
% 0.57/0.97      ( meet(X1,join(X1,X2)) = X1 ),
% 0.57/0.97      inference(orient,[status(thm)],['0.1.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_1]).
% 0.57/0.97  cnf('0.2.0.0',axiom,
% 0.57/0.97      ( meet(X1,join(X2,X3)) = join(meet(X3,X1),meet(X2,X1)) ),
% 0.57/0.97      file('/tmp/WALDMEISTER_14067_n014')).
% 0.57/0.97  cnf('0.2.1.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,X3)) = join(meet(X3,X1),meet(X2,X1)) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.2.0.0']),
% 0.57/0.97      [weight('<1,0,0,[0,0,0,2]>')]).
% 0.57/0.97  cnf('0.2.2.0',plain,
% 0.57/0.97      ( join(meet(X1,X2),meet(X3,X2)) = meet(X2,join(X3,X1)) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.2.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_2]).
% 0.57/0.97  cnf('0.3.0.0',plain,
% 0.57/0.97      ( meet(join(X1,X2),join(X3,X1)) = join(X1,meet(X3,join(X1,X2))) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.2.2.0','0.1.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.1','L')]).
% 0.57/0.97  cnf('0.3.1.0',plain,
% 0.57/0.97      ( meet(join(X1,X2),join(X3,X1)) = join(X1,meet(X3,join(X1,X2))) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.3.0.0']),
% 0.57/0.97      [weight('<119,2,1,[1,0,0,1]>')]).
% 0.57/0.97  cnf('0.3.2.0',plain,
% 0.57/0.97      ( meet(join(X1,X2),join(X3,X1)) = join(X1,meet(X3,join(X1,X2))) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.3.1.0',theory(equality)]),
% 0.57/0.97      [u,rule_3]).
% 0.57/0.97  cnf('0.5.0.0',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(meet(X1,X2),meet(X2,join(X3,X1))) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.1.2.0','0.2.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2','L')]).
% 0.57/0.97  cnf('0.5.1.0',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(meet(X1,X2),meet(X2,join(X3,X1))) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.5.0.0']),
% 0.57/0.97      [weight('<129,2,1,[0,0,0,2]>')]).
% 0.57/0.97  cnf('0.5.2.0',plain,
% 0.57/0.97      ( meet(meet(X1,X2),meet(X2,join(X3,X1))) = meet(X1,X2) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.5.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_5]).
% 0.57/0.97  cnf('0.6.0.0',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(meet(X1,X2),X2) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.5.2.0','0.1.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2','L')]).
% 0.57/0.97  cnf('0.6.1.0',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(meet(X1,X2),X2) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.6.0.0']),
% 0.57/0.97      [weight('<53,5,1,[1,0,0,4]>')]).
% 0.57/0.97  cnf('0.6.2.0',plain,
% 0.57/0.97      ( meet(meet(X1,X2),X2) = meet(X1,X2) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.6.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_6]).
% 0.57/0.97  cnf('0.7.0.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,meet(X3,X1))) = join(meet(X3,X1),meet(X2,X1)) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.2.2.0','0.6.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.1','L')]).
% 0.57/0.97  cnf('0.7.0.1',plain,
% 0.57/0.97      ( meet(X1,join(X2,meet(X3,X1))) = meet(X1,join(X2,X3)) ),
% 0.57/0.97      inference(reduction,[status(thm)],['0.7.0.0','0.2.2.0',theory(equality)]),
% 0.57/0.97      [pos('R','L')]).
% 0.57/0.97  cnf('0.7.1.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,meet(X3,X1))) = meet(X1,join(X2,X3)) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.7.0.1']),
% 0.57/0.97      [weight('<103,6,2,[0,0,0,1]>')]).
% 0.57/0.97  cnf('0.7.2.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,meet(X3,X1))) = meet(X1,join(X2,X3)) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.7.1.0',theory(equality)]),
% 0.57/0.97      [u,rule_7]).
% 0.57/0.97  cnf('0.8.0.0',plain,
% 0.57/0.97      ( meet(X1,join(meet(X2,X1),X3)) = join(meet(X3,X1),meet(X2,X1)) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.2.2.0','0.6.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2','L')]).
% 0.57/0.97  cnf('0.8.0.1',plain,
% 0.57/0.97      ( meet(X1,join(meet(X2,X1),X3)) = meet(X1,join(X2,X3)) ),
% 0.57/0.97      inference(reduction,[status(thm)],['0.8.0.0','0.2.2.0',theory(equality)]),
% 0.57/0.97      [pos('R','L')]).
% 0.57/0.97  cnf('0.8.1.0',plain,
% 0.57/0.97      ( meet(X1,join(meet(X2,X1),X3)) = meet(X1,join(X2,X3)) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.8.0.1']),
% 0.57/0.97      [weight('<103,6,2,[0,0,0,4]>')]).
% 0.57/0.97  cnf('0.8.2.0',plain,
% 0.57/0.97      ( meet(X1,join(meet(X2,X1),X3)) = meet(X1,join(X2,X3)) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.8.1.0',theory(equality)]),
% 0.57/0.97      [u,rule_8]).
% 0.57/0.97  cnf('0.9.0.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,meet(X3,X1))) = meet(X1,meet(X1,join(X3,X2))) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.8.2.0','0.2.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2','L')]).
% 0.57/0.97  cnf('0.9.0.1',plain,
% 0.57/0.97      ( meet(X1,join(X2,X3)) = meet(X1,meet(X1,join(X3,X2))) ),
% 0.57/0.97      inference(reduction,[status(thm)],['0.9.0.0','0.7.2.0',theory(equality)]),
% 0.57/0.97      [pos('L','L')]).
% 0.57/0.97  cnf('0.9.1.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,X3)) = meet(X1,meet(X1,join(X3,X2))) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.9.0.1']),
% 0.57/0.97      [weight('<103,8,2,[1,0,0,2]>')]).
% 0.57/0.97  cnf('0.9.2.0',plain,
% 0.57/0.97      ( meet(X1,meet(X1,join(X2,X3))) = meet(X1,join(X3,X2)) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.9.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_9]).
% 0.57/0.97  cnf('0.10.0.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,X1)) = meet(X1,X1) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.9.2.0','0.1.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2','L')]).
% 0.57/0.97  cnf('0.10.1.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,X1)) = meet(X1,X1) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.10.0.0']),
% 0.57/0.97      [weight('<53,9,1,[1,0,0,2]>')]).
% 0.57/0.97  cnf('0.10.2.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,X1)) = meet(X1,X1) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.10.1.0',theory(equality)]),
% 0.57/0.97      [u,rule_10]).
% 0.57/0.97  cnf('0.11.0.0',plain,
% 0.57/0.97      ( meet(X1,X1) = X1 ),
% 0.57/0.97      inference(cp,[status(thm)],['0.10.2.0','0.1.2.0',theory(equality)]),
% 0.57/0.97      [pos('L','L')]).
% 0.57/0.97  cnf('0.11.1.0',plain,
% 0.57/0.97      ( meet(X1,X1) = X1 ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.11.0.0']),
% 0.57/0.97      [weight('<19,10,1,[1,0,0,0]>')]).
% 0.57/0.97  cnf('0.11.2.0',plain,
% 0.57/0.97      ( meet(X1,X1) = X1 ),
% 0.57/0.97      inference(orient,[status(thm)],['0.11.1.0',theory(equality)]),
% 0.57/0.97      [u,rule_11]).
% 0.57/0.97  cnf('0.12.0.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,X1)) = meet(X1,X1) ),
% 0.57/0.97      inference(interreduction_right,[status(thm)],['0.10.2.0'])).
% 0.57/0.97  cnf('0.12.0.1',plain,
% 0.57/0.97      ( meet(X1,join(X2,X1)) = X1 ),
% 0.57/0.97      inference(reduction,[status(thm)],['0.12.0.0','0.11.2.0',theory(equality)]),
% 0.57/0.97      [pos('R','L')]).
% 0.57/0.97  cnf('0.12.1.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,X1)) = X1 ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.12.0.1']),
% 0.57/0.97      [weight('<41,10,11,[0,0,0,0]>')]).
% 0.57/0.97  cnf('0.12.2.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,X1)) = X1 ),
% 0.57/0.97      inference(orient,[status(thm)],['0.12.1.0',theory(equality)]),
% 0.57/0.97      [u,rule_12]).
% 0.57/0.97  cnf('0.13.0.0',plain,
% 0.57/0.97      ( meet(X1,join(X1,X2)) = join(meet(X2,X1),X1) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.2.2.0','0.11.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2','L')]).
% 0.57/0.97  cnf('0.13.0.1',plain,
% 0.57/0.97      ( X1 = join(meet(X2,X1),X1) ),
% 0.57/0.97      inference(reduction,[status(thm)],['0.13.0.0','0.1.2.0',theory(equality)]),
% 0.57/0.97      [pos('L','L')]).
% 0.57/0.97  cnf('0.13.1.0',plain,
% 0.57/0.97      ( X1 = join(meet(X2,X1),X1) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.13.0.1']),
% 0.57/0.97      [weight('<41,11,2,[0,0,0,4]>')]).
% 0.57/0.97  cnf('0.13.2.0',plain,
% 0.57/0.97      ( join(meet(X1,X2),X2) = X2 ),
% 0.57/0.97      inference(orient,[status(thm)],['0.13.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_13]).
% 0.57/0.97  cnf('0.14.0.0',plain,
% 0.57/0.97      ( X1 = join(X1,X1) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.13.2.0','0.11.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.1','L')]).
% 0.57/0.97  cnf('0.14.1.0',plain,
% 0.57/0.97      ( X1 = join(X1,X1) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.14.0.0']),
% 0.57/0.97      [weight('<19,13,11,[1,0,0,1]>')]).
% 0.57/0.97  cnf('0.14.2.0',plain,
% 0.57/0.97      ( join(X1,X1) = X1 ),
% 0.57/0.97      inference(orient,[status(thm)],['0.14.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_14]).
% 0.57/0.97  cnf('0.15.0.0',plain,
% 0.57/0.97      ( join(X1,meet(X2,join(X1,X1))) = meet(X1,join(X2,X1)) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.3.2.0','0.14.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.1','L')]).
% 0.57/0.97  cnf('0.15.0.1',plain,
% 0.57/0.97      ( join(X1,meet(X2,X1)) = meet(X1,join(X2,X1)) ),
% 0.57/0.97      inference(reduction,[status(thm)],['0.15.0.0','0.14.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2.2','L')]).
% 0.57/0.97  cnf('0.15.0.2',plain,
% 0.57/0.97      ( join(X1,meet(X2,X1)) = X1 ),
% 0.57/0.97      inference(reduction,[status(thm)],['0.15.0.1','0.12.2.0',theory(equality)]),
% 0.57/0.97      [pos('R','L')]).
% 0.57/0.97  cnf('0.15.1.0',plain,
% 0.57/0.97      ( join(X1,meet(X2,X1)) = X1 ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.15.0.2']),
% 0.57/0.97      [weight('<41,14,3,[0,0,0,1]>')]).
% 0.57/0.97  cnf('0.15.2.0',plain,
% 0.57/0.97      ( join(X1,meet(X2,X1)) = X1 ),
% 0.57/0.97      inference(orient,[status(thm)],['0.15.1.0',theory(equality)]),
% 0.57/0.97      [u,rule_15]).
% 0.57/0.97  cnf('0.17.0.0',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(X2,join(X1,X1)) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.14.2.0','0.2.2.0',theory(equality)]),
% 0.57/0.97      [pos('L','L')]).
% 0.57/0.97  cnf('0.17.0.1',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(X2,X1) ),
% 0.57/0.97      inference(reduction,[status(thm)],['0.17.0.0','0.14.2.0',theory(equality)]),
% 0.57/0.97      [pos('R.2','L')]).
% 0.57/0.97  cnf('0.17.1.0',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(X2,X1) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.17.0.1']),
% 0.57/0.97      [weight('<48,14,2,[1,0,0,0]>')]).
% 0.57/0.97  cnf('0.17.2.0',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(X2,X1) ),
% 0.57/0.97      inference(activate,[status(thm)],['0.17.1.0']),
% 0.57/0.97      [equation_1]).
% 0.57/0.97  cnf('0.19.0.0',plain,
% 0.57/0.97      ( X1 = join(X1,meet(X1,X2)) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.15.2.0','0.17.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2','L')]).
% 0.57/0.97  cnf('0.19.1.0',plain,
% 0.57/0.97      ( X1 = join(X1,meet(X1,X2)) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.19.0.0']),
% 0.57/0.97      [weight('<41,17,15,[0,0,0,2]>')]).
% 0.57/0.97  cnf('0.19.2.0',plain,
% 0.57/0.97      ( join(X1,meet(X1,X2)) = X1 ),
% 0.57/0.97      inference(orient,[status(thm)],['0.19.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_18]).
% 0.57/0.97  cnf('0.51.0.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,X3)) = join(meet(X1,X3),meet(X2,X1)) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.2.2.0','0.17.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.1','L')]).
% 0.57/0.97  cnf('0.51.1.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,X3)) = join(meet(X1,X3),meet(X2,X1)) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.51.0.0']),
% 0.57/0.97      [weight('<103,17,2,[0,0,0,1]>')]).
% 0.57/0.97  cnf('0.51.2.0',plain,
% 0.57/0.97      ( join(meet(X1,X2),meet(X3,X1)) = meet(X1,join(X3,X2)) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.51.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_49]).
% 0.57/0.97  cnf('0.52.0.0',plain,
% 0.57/0.97      ( meet(X1,join(X2,meet(X3,X2))) = meet(X1,meet(X2,join(X3,X1))) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.8.2.0','0.51.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2','L')]).
% 0.57/0.97  cnf('0.52.0.1',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(X1,meet(X2,join(X3,X1))) ),
% 0.57/0.97      inference(reduction,[status(thm)],['0.52.0.0','0.15.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2','L')]).
% 0.57/0.97  cnf('0.52.1.0',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(X1,meet(X2,join(X3,X1))) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.52.0.1']),
% 0.57/0.97      [weight('<87,51,8,[0,0,0,2]>')]).
% 0.57/0.97  cnf('0.52.2.0',plain,
% 0.57/0.97      ( meet(X1,meet(X2,join(X3,X1))) = meet(X1,X2) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.52.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_50]).
% 0.57/0.97  cnf('0.54.0.0',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(X1,meet(join(X3,X1),X2)) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.52.2.0','0.17.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2','L')]).
% 0.57/0.97  cnf('0.54.1.0',plain,
% 0.57/0.97      ( meet(X1,X2) = meet(X1,meet(join(X3,X1),X2)) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.54.0.0']),
% 0.57/0.97      [weight('<87,52,17,[1,0,0,2]>')]).
% 0.57/0.97  cnf('0.54.2.0',plain,
% 0.57/0.97      ( meet(X1,meet(join(X2,X1),X3)) = meet(X1,X3) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.54.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_52]).
% 0.57/0.97  cnf('0.70.0.0',plain,
% 0.57/0.97      ( meet(meet(X1,X2),X3) = meet(meet(X1,X2),meet(X3,X1)) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.52.2.0','0.19.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2.2','L')]).
% 0.57/0.97  cnf('0.70.1.0',plain,
% 0.57/0.97      ( meet(meet(X1,X2),X3) = meet(meet(X1,X2),meet(X3,X1)) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.70.0.0']),
% 0.57/0.97      [weight('<103,52,19,[1,0,0,4]>')]).
% 0.57/0.97  cnf('0.70.2.0',plain,
% 0.57/0.97      ( meet(meet(X1,X2),meet(X3,X1)) = meet(meet(X1,X2),X3) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.70.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_68]).
% 0.57/0.97  cnf('0.71.0.0',plain,
% 0.57/0.97      ( meet(meet(X1,X2),X3) = meet(meet(X1,X2),meet(X2,X3)) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.54.2.0','0.15.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.2.1','L')]).
% 0.57/0.97  cnf('0.71.1.0',plain,
% 0.57/0.97      ( meet(meet(X1,X2),X3) = meet(meet(X1,X2),meet(X2,X3)) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.71.0.0']),
% 0.57/0.97      [weight('<103,54,15,[1,0,0,3]>')]).
% 0.57/0.97  cnf('0.71.2.0',plain,
% 0.57/0.97      ( meet(meet(X1,X2),meet(X2,X3)) = meet(meet(X1,X2),X3) ),
% 0.57/0.97      inference(orient,[status(thm)],['0.71.1.0',theory(equality)]),
% 0.57/0.97      [x,rule_69]).
% 0.57/0.97  cnf('0.73.0.0',plain,
% 0.57/0.97      ( meet(meet(X1,X2),X3) = meet(meet(X3,X1),meet(X1,X2)) ),
% 0.57/0.97      inference(cp,[status(thm)],['0.70.2.0','0.17.2.0',theory(equality)]),
% 0.57/0.97      [pos('L','L')]).
% 0.57/0.97  cnf('0.73.1.0',plain,
% 0.57/0.97      ( meet(meet(X1,X2),X3) = meet(meet(X3,X1),meet(X1,X2)) ),
% 0.57/0.97      inference(weigh,[status(thm)],['0.73.0.0']),
% 0.57/0.97      [weight('<103,70,17,[1,0,0,0]>')]).
% 0.57/0.97  cnf('0.73.1.1',plain,
% 0.57/0.97      ( meet(meet(X1,X2),X3) = meet(meet(X3,X1),X2) ),
% 0.57/0.97      inference(reduction,[status(thm)],['0.73.1.0','0.71.2.0',theory(equality)]),
% 0.57/0.97      [pos('R','L')]).
% 0.57/0.97  cnf('0.73.2.0',plain,
% 0.57/0.97      ( meet(meet(X1,X2),X3) = meet(meet(X3,X1),X2) ),
% 0.57/0.97      inference(activate,[status(thm)],['0.73.1.1']),
% 0.57/0.97      [equation_3]).
% 0.57/0.97  cnf('1.0.0.0',conjecture,
% 0.57/0.97      ( meet(meet(a,b),c) = meet(a,meet(b,c)) ),
% 0.57/0.97      file('/tmp/WALDMEISTER_14067_n014',conjecture_1)).
% 0.57/0.97  cnf('1.0.0.1',plain,
% 0.57/0.97      ( meet(meet(b,a),c) = meet(a,meet(b,c)) ),
% 0.57/0.97      inference(reduction,[status(thm)],['1.0.0.0','0.17.2.0',theory(equality)]),
% 0.57/0.97      [pos('L.1','L')]).
% 0.57/0.97  cnf('1.0.0.2',plain,
% 0.57/0.97      ( meet(meet(b,a),c) = meet(a,meet(c,b)) ),
% 0.57/0.97      inference(reduction,[status(thm)],['1.0.0.1','0.17.2.0',theory(equality)]),
% 0.57/0.97      [pos('R.2','L')]).
% 0.57/0.97  cnf('1.0.0.3',plain,
% 0.57/0.97      ( meet(meet(b,a),c) = meet(meet(c,b),a) ),
% 0.57/0.97      inference(reduction,[status(thm)],['1.0.0.2','0.17.2.0',theory(equality)]),
% 0.57/0.97      [pos('R','L')]).
% 0.57/0.97  cnf('1.0.0.4',plain,
% 0.57/0.97      ( meet(meet(c,b),a) = meet(meet(c,b),a) ),
% 0.57/0.97      inference(reduction,[status(thm)],['1.0.0.3','0.73.2.0',theory(equality)]),
% 0.57/0.97      [pos('L','L')]).
% 0.57/0.97  cnf('1.0.0.5',plain,
% 0.57/0.97      ( $true ),
% 0.57/0.97      inference(trivial,[status(thm)],['1.0.0.4',theory(equality)]),
% 0.57/0.97      [conjecture_1]).
% 0.57/0.97  
% 0.57/0.97  Proved Goals:
% 0.57/0.97  No.  1:  meet(meet(a,b),c) ?= meet(a,meet(b,c)) joined, current: meet(meet(c,b),a) = meet(meet(c,b),a)
% 0.57/0.97  1 goal was specified, which was proved.
% 0.57/0.97  % SZS output end CNFRefutation
% 0.57/0.97  #END OF PROOF
% 0.57/0.97  
% 0.57/0.97  Problem         WALDMEISTER_14067_n014 
% 0.57/0.97  CPs.gen                 3909 
% 0.57/0.97  CPs.reexp                  0 
% 0.57/0.97  Select                   388 
% 0.57/0.97  R                         70 
% 0.57/0.97  E                          3 
% 0.57/0.97  vsize                   6.4M 
% 0.57/0.97  rss                     3.7M 
% 0.57/0.97  process.time          0.015s 
% 0.57/0.97  wallclock.time        0.015s 
% 0.57/0.97  status                     S
% 0.57/0.97  
% 0.57/0.97  
% 0.57/0.97  Waldmeister states: Goal proved.
% 0.57/0.97  % SZS status Unsatisfiable
%------------------------------------------------------------------------------