TSTP Solution File: LAT028-1 by Waldmeister---710

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Waldmeister---710
% Problem  : LAT028-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : woody %s

% Computer : n017.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 07:14:48 EDT 2022

% Result   : Unsatisfiable 0.58s 0.98s
% Output   : CNFRefutation 0.58s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : LAT028-1 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.12  % Command  : woody %s
% 0.11/0.33  % Computer : n017.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 600
% 0.11/0.33  % DateTime : Wed Jun 29 23:13:53 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 0.54/0.95  ********************************************************************************
% 0.54/0.95  *                             W A L D M E I S T E R           \|  \ /      \|/ *
% 0.54/0.95  *                                                              |/  |    \/  |  *
% 0.54/0.95  *              (C) 1994-2010  A. Buch and Th. Hillenbrand,      \ /      \ /   *
% 0.54/0.95  *                             A. Jaeger and B. Loechner          |        |    *
% 0.54/0.95  *                             <waldmeister@informatik.uni-kl.de>          |    *
% 0.54/0.95  ********************************************************************************
% 0.54/0.95  
% 0.54/0.95  
% 0.54/0.95  Goals:
% 0.54/0.95  ------
% 0.54/0.95  
% 0.54/0.95  (   1)  meet(a,b) ?=? meet2(a,b)
% 0.54/0.95  
% 0.54/0.95  Detected structure: Orkus
% 0.54/0.95  ********************************************************************************
% 0.54/0.95  ****************************** COMPLETION - PROOF ******************************
% 0.54/0.95  ********************************************************************************
% 0.54/0.95  
% 0.58/0.98  joined goal:             1  meet(a,b) ?= meet2(a,b) to meet2(b,a)
% 0.58/0.98  goal joined
% 0.58/0.98  % SZS status Unsatisfiable
% 0.58/0.98  #START OF PROOF
% 0.58/0.98  % SZS output start CNFRefutation
% 0.58/0.98  cnf('0.1.0.0',axiom,
% 0.58/0.98      ( X1 = join(X1,X1) ),
% 0.58/0.98      file('/tmp/WALDMEISTER_14960_n017')).
% 0.58/0.98  cnf('0.1.1.0',plain,
% 0.58/0.98      ( X1 = join(X1,X1) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.1.0.0']),
% 0.58/0.98      [weight('<0,0,0,[0,0,0,1]>')]).
% 0.58/0.98  cnf('0.1.2.0',plain,
% 0.58/0.98      ( join(X1,X1) = X1 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.1.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_1]).
% 0.58/0.98  cnf('0.2.0.0',axiom,
% 0.58/0.98      ( X1 = join(join(meet(X2,X1),meet(X3,X1)),X1) ),
% 0.58/0.98      file('/tmp/WALDMEISTER_14960_n017')).
% 0.58/0.98  cnf('0.2.1.0',plain,
% 0.58/0.98      ( X1 = join(join(meet(X2,X1),meet(X3,X1)),X1) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.2.0.0']),
% 0.58/0.98      [weight('<1,0,0,[0,0,0,2]>')]).
% 0.58/0.98  cnf('0.2.2.0',plain,
% 0.58/0.98      ( join(join(meet(X1,X2),meet(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.2.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_2]).
% 0.58/0.98  cnf('0.3.0.0',axiom,
% 0.58/0.98      ( X1 = join(join(meet2(X2,X1),meet2(X3,X1)),X1) ),
% 0.58/0.98      file('/tmp/WALDMEISTER_14960_n017')).
% 0.58/0.98  cnf('0.3.1.0',plain,
% 0.58/0.98      ( X1 = join(join(meet2(X2,X1),meet2(X3,X1)),X1) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.3.0.0']),
% 0.58/0.98      [weight('<2,0,0,[0,0,0,3]>')]).
% 0.58/0.98  cnf('0.3.2.0',plain,
% 0.58/0.98      ( join(join(meet2(X1,X2),meet2(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.3.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_3]).
% 0.58/0.98  cnf('0.5.0.0',axiom,
% 0.58/0.98      ( X1 = meet(meet(join(X2,X1),join(X3,X1)),X1) ),
% 0.58/0.98      file('/tmp/WALDMEISTER_14960_n017')).
% 0.58/0.98  cnf('0.5.1.0',plain,
% 0.58/0.98      ( X1 = meet(meet(join(X2,X1),join(X3,X1)),X1) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.5.0.0']),
% 0.58/0.98      [weight('<4,0,0,[0,0,0,5]>')]).
% 0.58/0.98  cnf('0.5.2.0',plain,
% 0.58/0.98      ( meet(meet(join(X1,X2),join(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.5.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_5]).
% 0.58/0.98  cnf('0.6.0.0',axiom,
% 0.58/0.98      ( X1 = meet2(X1,X1) ),
% 0.58/0.98      file('/tmp/WALDMEISTER_14960_n017')).
% 0.58/0.98  cnf('0.6.1.0',plain,
% 0.58/0.98      ( X1 = meet2(X1,X1) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.6.0.0']),
% 0.58/0.98      [weight('<5,0,0,[0,0,0,6]>')]).
% 0.58/0.98  cnf('0.6.2.0',plain,
% 0.58/0.98      ( meet2(X1,X1) = X1 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.6.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_6]).
% 0.58/0.98  cnf('0.7.0.0',axiom,
% 0.58/0.98      ( X1 = meet2(meet2(join(X2,X1),join(X3,X1)),X1) ),
% 0.58/0.98      file('/tmp/WALDMEISTER_14960_n017')).
% 0.58/0.98  cnf('0.7.1.0',plain,
% 0.58/0.98      ( X1 = meet2(meet2(join(X2,X1),join(X3,X1)),X1) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.7.0.0']),
% 0.58/0.98      [weight('<6,0,0,[0,0,0,7]>')]).
% 0.58/0.98  cnf('0.7.2.0',plain,
% 0.58/0.98      ( meet2(meet2(join(X1,X2),join(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.7.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_7]).
% 0.58/0.98  cnf('0.8.0.0',axiom,
% 0.58/0.98      ( join(X1,X2) = join(X2,X1) ),
% 0.58/0.98      file('/tmp/WALDMEISTER_14960_n017')).
% 0.58/0.98  cnf('0.8.1.0',plain,
% 0.58/0.98      ( join(X1,X2) = join(X2,X1) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.8.0.0']),
% 0.58/0.98      [weight('<7,0,0,[0,0,0,8]>')]).
% 0.58/0.98  cnf('0.8.2.0',plain,
% 0.58/0.98      ( join(X1,X2) = join(X2,X1) ),
% 0.58/0.98      inference(activate,[status(thm)],['0.8.1.0']),
% 0.58/0.98      [equation_1]).
% 0.58/0.98  cnf('0.9.0.0',axiom,
% 0.58/0.98      ( meet(X1,X2) = meet(X2,X1) ),
% 0.58/0.98      file('/tmp/WALDMEISTER_14960_n017')).
% 0.58/0.98  cnf('0.9.1.0',plain,
% 0.58/0.98      ( meet(X1,X2) = meet(X2,X1) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.9.0.0']),
% 0.58/0.98      [weight('<8,0,0,[0,0,0,9]>')]).
% 0.58/0.98  cnf('0.9.2.0',plain,
% 0.58/0.98      ( meet(X1,X2) = meet(X2,X1) ),
% 0.58/0.98      inference(activate,[status(thm)],['0.9.1.0']),
% 0.58/0.98      [equation_2]).
% 0.58/0.98  cnf('0.10.0.0',axiom,
% 0.58/0.98      ( meet2(X1,X2) = meet2(X2,X1) ),
% 0.58/0.98      file('/tmp/WALDMEISTER_14960_n017')).
% 0.58/0.98  cnf('0.10.1.0',plain,
% 0.58/0.98      ( meet2(X1,X2) = meet2(X2,X1) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.10.0.0']),
% 0.58/0.98      [weight('<9,0,0,[0,0,0,10]>')]).
% 0.58/0.98  cnf('0.10.2.0',plain,
% 0.58/0.98      ( meet2(X1,X2) = meet2(X2,X1) ),
% 0.58/0.98      inference(activate,[status(thm)],['0.10.1.0']),
% 0.58/0.98      [equation_3]).
% 0.58/0.98  cnf('0.11.0.0',plain,
% 0.58/0.98      ( join(join(meet(X1,X2),meet(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(interreduction_right,[status(thm)],['0.2.2.0'])).
% 0.58/0.98  cnf('0.11.1.0',plain,
% 0.58/0.98      ( join(join(meet(X1,X2),meet(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.11.0.0']),
% 0.58/0.98      [weight('<109,2,8,[0,0,0,0]>')]).
% 0.58/0.98  cnf('0.11.1.1',plain,
% 0.58/0.98      ( join(X2,join(meet(X1,X2),meet(X3,X2))) = X2 ),
% 0.58/0.98      inference(reduction,[status(thm)],['0.11.1.0','0.8.2.0',theory(equality)]),
% 0.58/0.98      [pos('L','L')]).
% 0.58/0.98  cnf('0.11.2.0',plain,
% 0.58/0.98      ( join(X1,join(meet(X2,X1),meet(X3,X1))) = X1 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.11.1.1',theory(equality)]),
% 0.58/0.98      [u,rule_8]).
% 0.58/0.98  cnf('0.12.0.0',plain,
% 0.58/0.98      ( X1 = join(X1,meet(X2,X1)) ),
% 0.58/0.98      inference(cp,[status(thm)],['0.11.2.0','0.1.2.0',theory(equality)]),
% 0.58/0.98      [pos('L.2','L')]).
% 0.58/0.98  cnf('0.12.1.0',plain,
% 0.58/0.98      ( X1 = join(X1,meet(X2,X1)) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.12.0.0']),
% 0.58/0.98      [weight('<41,11,1,[1,0,0,2]>')]).
% 0.58/0.98  cnf('0.12.2.0',plain,
% 0.58/0.98      ( join(X1,meet(X2,X1)) = X1 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.12.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_9]).
% 0.58/0.98  cnf('0.13.0.0',plain,
% 0.58/0.98      ( X1 = join(X1,meet(X1,X2)) ),
% 0.58/0.98      inference(cp,[status(thm)],['0.12.2.0','0.9.2.0',theory(equality)]),
% 0.58/0.98      [pos('L.2','L')]).
% 0.58/0.98  cnf('0.13.1.0',plain,
% 0.58/0.98      ( X1 = join(X1,meet(X1,X2)) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.13.0.0']),
% 0.58/0.98      [weight('<41,12,9,[1,0,0,2]>')]).
% 0.58/0.98  cnf('0.13.2.0',plain,
% 0.58/0.98      ( join(X1,meet(X1,X2)) = X1 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.13.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_10]).
% 0.58/0.98  cnf('0.14.0.0',plain,
% 0.58/0.98      ( join(join(meet2(X1,X2),meet2(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(interreduction_right,[status(thm)],['0.3.2.0'])).
% 0.58/0.98  cnf('0.14.1.0',plain,
% 0.58/0.98      ( join(join(meet2(X1,X2),meet2(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.14.0.0']),
% 0.58/0.98      [weight('<109,3,8,[0,0,0,0]>')]).
% 0.58/0.98  cnf('0.14.1.1',plain,
% 0.58/0.98      ( join(X2,join(meet2(X1,X2),meet2(X3,X2))) = X2 ),
% 0.58/0.98      inference(reduction,[status(thm)],['0.14.1.0','0.8.2.0',theory(equality)]),
% 0.58/0.98      [pos('L','L')]).
% 0.58/0.98  cnf('0.14.2.0',plain,
% 0.58/0.98      ( join(X1,join(meet2(X2,X1),meet2(X3,X1))) = X1 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.14.1.1',theory(equality)]),
% 0.58/0.98      [u,rule_11]).
% 0.58/0.98  cnf('0.15.0.0',plain,
% 0.58/0.98      ( X1 = join(X1,meet2(X2,X1)) ),
% 0.58/0.98      inference(cp,[status(thm)],['0.14.2.0','0.1.2.0',theory(equality)]),
% 0.58/0.98      [pos('L.2','L')]).
% 0.58/0.98  cnf('0.15.1.0',plain,
% 0.58/0.98      ( X1 = join(X1,meet2(X2,X1)) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.15.0.0']),
% 0.58/0.98      [weight('<41,14,1,[1,0,0,2]>')]).
% 0.58/0.98  cnf('0.15.2.0',plain,
% 0.58/0.98      ( join(X1,meet2(X2,X1)) = X1 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.15.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_12]).
% 0.58/0.98  cnf('0.16.0.0',plain,
% 0.58/0.98      ( X1 = join(X1,meet2(X1,X2)) ),
% 0.58/0.98      inference(cp,[status(thm)],['0.15.2.0','0.10.2.0',theory(equality)]),
% 0.58/0.98      [pos('L.2','L')]).
% 0.58/0.98  cnf('0.16.1.0',plain,
% 0.58/0.98      ( X1 = join(X1,meet2(X1,X2)) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.16.0.0']),
% 0.58/0.98      [weight('<41,15,10,[1,0,0,2]>')]).
% 0.58/0.98  cnf('0.16.2.0',plain,
% 0.58/0.98      ( join(X1,meet2(X1,X2)) = X1 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.16.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_13]).
% 0.58/0.98  cnf('0.17.0.0',plain,
% 0.58/0.98      ( meet(meet(join(X1,X2),join(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(interreduction_right,[status(thm)],['0.5.2.0'])).
% 0.58/0.98  cnf('0.17.1.0',plain,
% 0.58/0.98      ( meet(meet(join(X1,X2),join(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.17.0.0']),
% 0.58/0.98      [weight('<109,5,9,[0,0,0,0]>')]).
% 0.58/0.98  cnf('0.17.1.1',plain,
% 0.58/0.98      ( meet(X2,meet(join(X1,X2),join(X3,X2))) = X2 ),
% 0.58/0.98      inference(reduction,[status(thm)],['0.17.1.0','0.9.2.0',theory(equality)]),
% 0.58/0.98      [pos('L','L')]).
% 0.58/0.98  cnf('0.17.2.0',plain,
% 0.58/0.98      ( meet(X1,meet(join(X2,X1),join(X3,X1))) = X1 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.17.1.1',theory(equality)]),
% 0.58/0.98      [u,rule_14]).
% 0.58/0.98  cnf('0.26.0.0',plain,
% 0.58/0.98      ( meet2(meet2(join(X1,X2),join(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(interreduction_right,[status(thm)],['0.7.2.0'])).
% 0.58/0.98  cnf('0.26.1.0',plain,
% 0.58/0.98      ( meet2(meet2(join(X1,X2),join(X3,X2)),X2) = X2 ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.26.0.0']),
% 0.58/0.98      [weight('<109,7,10,[0,0,0,0]>')]).
% 0.58/0.98  cnf('0.26.1.1',plain,
% 0.58/0.98      ( meet2(X2,meet2(join(X1,X2),join(X3,X2))) = X2 ),
% 0.58/0.98      inference(reduction,[status(thm)],['0.26.1.0','0.10.2.0',theory(equality)]),
% 0.58/0.98      [pos('L','L')]).
% 0.58/0.98  cnf('0.26.2.0',plain,
% 0.58/0.98      ( meet2(X1,meet2(join(X2,X1),join(X3,X1))) = X1 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.26.1.1',theory(equality)]),
% 0.58/0.98      [u,rule_23]).
% 0.58/0.98  cnf('0.27.0.0',plain,
% 0.58/0.98      ( X1 = meet2(X1,join(X2,X1)) ),
% 0.58/0.98      inference(cp,[status(thm)],['0.26.2.0','0.6.2.0',theory(equality)]),
% 0.58/0.98      [pos('L.2','L')]).
% 0.58/0.98  cnf('0.27.1.0',plain,
% 0.58/0.98      ( X1 = meet2(X1,join(X2,X1)) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.27.0.0']),
% 0.58/0.98      [weight('<41,26,6,[1,0,0,2]>')]).
% 0.58/0.98  cnf('0.27.2.0',plain,
% 0.58/0.98      ( meet2(X1,join(X2,X1)) = X1 ),
% 0.58/0.98      inference(orient,[status(thm)],['0.27.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_24]).
% 0.58/0.98  cnf('0.29.0.0',plain,
% 0.58/0.98      ( meet(X1,X2) = meet2(meet(X1,X2),X2) ),
% 0.58/0.98      inference(cp,[status(thm)],['0.27.2.0','0.12.2.0',theory(equality)]),
% 0.58/0.98      [pos('L.2','L')]).
% 0.58/0.98  cnf('0.29.1.0',plain,
% 0.58/0.98      ( meet(X1,X2) = meet2(meet(X1,X2),X2) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.29.0.0']),
% 0.58/0.98      [weight('<53,27,12,[1,0,0,2]>')]).
% 0.58/0.98  cnf('0.29.1.1',plain,
% 0.58/0.98      ( meet(X1,X2) = meet2(X2,meet(X1,X2)) ),
% 0.58/0.98      inference(reduction,[status(thm)],['0.29.1.0','0.10.2.0',theory(equality)]),
% 0.58/0.98      [pos('R','L')]).
% 0.58/0.98  cnf('0.29.2.0',plain,
% 0.58/0.98      ( meet2(X1,meet(X2,X1)) = meet(X2,X1) ),
% 0.58/0.98      inference(orient,[status(thm)],['0.29.1.1',theory(equality)]),
% 0.58/0.98      [x,rule_26]).
% 0.58/0.98  cnf('0.111.0.0',plain,
% 0.58/0.98      ( meet2(X1,X2) = meet(meet2(X1,X2),meet(X2,join(X3,meet2(X1,X2)))) ),
% 0.58/0.98      inference(cp,[status(thm)],['0.17.2.0','0.15.2.0',theory(equality)]),
% 0.58/0.98      [pos('L.2.1','L')]).
% 0.58/0.98  cnf('0.111.1.0',plain,
% 0.58/0.98      ( meet2(X1,X2) = meet(meet2(X1,X2),meet(X2,join(X3,meet2(X1,X2)))) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.111.0.0']),
% 0.58/0.98      [weight('<179,17,15,[1,0,0,3]>')]).
% 0.58/0.98  cnf('0.111.2.0',plain,
% 0.58/0.98      ( meet(meet2(X1,X2),meet(X2,join(X3,meet2(X1,X2)))) = meet2(X1,X2) ),
% 0.58/0.98      inference(orient,[status(thm)],['0.111.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_108]).
% 0.58/0.98  cnf('0.112.0.0',plain,
% 0.58/0.98      ( meet2(X1,X2) = meet(meet2(X1,X2),meet(X2,X1)) ),
% 0.58/0.98      inference(cp,[status(thm)],['0.111.2.0','0.16.2.0',theory(equality)]),
% 0.58/0.98      [pos('L.2.2','L')]).
% 0.58/0.98  cnf('0.112.1.0',plain,
% 0.58/0.98      ( meet2(X1,X2) = meet(meet2(X1,X2),meet(X2,X1)) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.112.0.0']),
% 0.58/0.98      [weight('<87,111,16,[1,0,0,6]>')]).
% 0.58/0.98  cnf('0.112.2.0',plain,
% 0.58/0.98      ( meet(meet2(X1,X2),meet(X2,X1)) = meet2(X1,X2) ),
% 0.58/0.98      inference(orient,[status(thm)],['0.112.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_109]).
% 0.58/0.98  cnf('0.115.0.0',plain,
% 0.58/0.98      ( meet(meet2(X1,X2),meet(X2,X1)) = meet2(meet(X2,X1),meet2(X1,X2)) ),
% 0.58/0.98      inference(cp,[status(thm)],['0.29.2.0','0.112.2.0',theory(equality)]),
% 0.58/0.98      [pos('L.2','L')]).
% 0.58/0.98  cnf('0.115.0.1',plain,
% 0.58/0.98      ( meet2(X1,X2) = meet2(meet(X2,X1),meet2(X1,X2)) ),
% 0.58/0.98      inference(reduction,[status(thm)],['0.115.0.0','0.112.2.0',theory(equality)]),
% 0.58/0.98      [pos('L','L')]).
% 0.58/0.98  cnf('0.115.1.0',plain,
% 0.58/0.98      ( meet2(X1,X2) = meet2(meet(X2,X1),meet2(X1,X2)) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.115.0.1']),
% 0.58/0.98      [weight('<87,112,29,[0,0,0,2]>')]).
% 0.58/0.98  cnf('0.115.1.1',plain,
% 0.58/0.98      ( meet2(X1,X2) = meet2(meet2(X1,X2),meet(X2,X1)) ),
% 0.58/0.98      inference(reduction,[status(thm)],['0.115.1.0','0.10.2.0',theory(equality)]),
% 0.58/0.98      [pos('R','L')]).
% 0.58/0.98  cnf('0.115.2.0',plain,
% 0.58/0.98      ( meet2(meet2(X1,X2),meet(X2,X1)) = meet2(X1,X2) ),
% 0.58/0.98      inference(orient,[status(thm)],['0.115.1.1',theory(equality)]),
% 0.58/0.98      [x,rule_112]).
% 0.58/0.98  cnf('0.121.0.0',plain,
% 0.58/0.98      ( meet(X1,X2) = meet2(meet(X1,X2),meet2(X2,join(X3,meet(X1,X2)))) ),
% 0.58/0.98      inference(cp,[status(thm)],['0.26.2.0','0.12.2.0',theory(equality)]),
% 0.58/0.98      [pos('L.2.1','L')]).
% 0.58/0.98  cnf('0.121.1.0',plain,
% 0.58/0.98      ( meet(X1,X2) = meet2(meet(X1,X2),meet2(X2,join(X3,meet(X1,X2)))) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.121.0.0']),
% 0.58/0.98      [weight('<179,26,12,[1,0,0,3]>')]).
% 0.58/0.98  cnf('0.121.2.0',plain,
% 0.58/0.98      ( meet2(meet(X1,X2),meet2(X2,join(X3,meet(X1,X2)))) = meet(X1,X2) ),
% 0.58/0.98      inference(orient,[status(thm)],['0.121.1.0',theory(equality)]),
% 0.58/0.98      [x,rule_118]).
% 0.58/0.98  cnf('0.122.0.0',plain,
% 0.58/0.98      ( meet(X1,X2) = meet2(meet(X1,X2),meet2(X2,X1)) ),
% 0.58/0.98      inference(cp,[status(thm)],['0.121.2.0','0.13.2.0',theory(equality)]),
% 0.58/0.98      [pos('L.2.2','L')]).
% 0.58/0.98  cnf('0.122.1.0',plain,
% 0.58/0.98      ( meet(X1,X2) = meet2(meet(X1,X2),meet2(X2,X1)) ),
% 0.58/0.98      inference(weigh,[status(thm)],['0.122.0.0']),
% 0.58/0.98      [weight('<87,121,13,[1,0,0,6]>')]).
% 0.58/0.98  cnf('0.122.1.1',plain,
% 0.58/0.98      ( meet(X1,X2) = meet2(meet2(X2,X1),meet(X1,X2)) ),
% 0.58/0.98      inference(reduction,[status(thm)],['0.122.1.0','0.10.2.0',theory(equality)]),
% 0.58/0.98      [pos('R','L')]).
% 0.58/0.98  cnf('0.122.1.2',plain,
% 0.58/0.98      ( meet(X1,X2) = meet2(X2,X1) ),
% 0.58/0.98      inference(reduction,[status(thm)],['0.122.1.1','0.115.2.0',theory(equality)]),
% 0.58/0.98      [pos('R','L')]).
% 0.58/0.98  cnf('0.122.2.0',plain,
% 0.58/0.98      ( meet(X1,X2) = meet2(X2,X1) ),
% 0.58/0.98      inference(orient,[status(thm)],['0.122.1.2',theory(equality)]),
% 0.58/0.98      [u,rule_119]).
% 0.58/0.98  cnf('1.0.0.0',conjecture,
% 0.58/0.98      ( meet(a,b) = meet2(a,b) ),
% 0.58/0.98      file('/tmp/WALDMEISTER_14960_n017',conjecture_1)).
% 0.58/0.98  cnf('1.0.0.1',plain,
% 0.58/0.98      ( meet(a,b) = meet2(b,a) ),
% 0.58/0.98      inference(reduction,[status(thm)],['1.0.0.0','0.10.2.0',theory(equality)]),
% 0.58/0.98      [pos('R','L')]).
% 0.58/0.98  cnf('1.0.0.2',plain,
% 0.58/0.98      ( meet2(b,a) = meet2(b,a) ),
% 0.58/0.98      inference(reduction,[status(thm)],['1.0.0.1','0.122.2.0',theory(equality)]),
% 0.58/0.98      [pos('L','L')]).
% 0.58/0.98  cnf('1.0.0.3',plain,
% 0.58/0.98      ( $true ),
% 0.58/0.98      inference(trivial,[status(thm)],['1.0.0.2',theory(equality)]),
% 0.58/0.98      [conjecture_1]).
% 0.58/0.98  
% 0.58/0.98  Proved Goals:
% 0.58/0.98  No.  1:  meet(a,b) ?= meet2(a,b) joined, current: meet2(b,a) = meet2(b,a)
% 0.58/0.98  1 goal was specified, which was proved.
% 0.58/0.98  % SZS output end CNFRefutation
% 0.58/0.98  #END OF PROOF
% 0.58/0.98  
% 0.58/0.98  Problem         WALDMEISTER_14960_n017 
% 0.58/0.98  CPs.gen                 8741 
% 0.58/0.98  CPs.reexp                  0 
% 0.58/0.98  Select                  1580 
% 0.58/0.98  R                        119 
% 0.58/0.98  E                          3 
% 0.58/0.98  vsize                   6.5M 
% 0.58/0.98  rss                     3.8M 
% 0.58/0.98  process.time          0.036s 
% 0.58/0.98  wallclock.time        0.036s 
% 0.58/0.98  status                     S
% 0.58/0.98  
% 0.58/0.98  
% 0.58/0.98  Waldmeister states: Goal proved.
% 0.58/0.98  % SZS status Unsatisfiable
%------------------------------------------------------------------------------