TSTP Solution File: GRP130-2.003 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP130-2.003 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n013.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 11:45:46 EDT 2022

% Result   : Unsatisfiable 0.38s 0.58s
% Output   : Refutation 0.38s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GRP130-2.003 : TPTP v8.1.0. Released v1.2.0.
% 0.06/0.12  % Command  : run_spass %d %s
% 0.13/0.33  % Computer : n013.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 : Mon Jun 13 06:00:59 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.38/0.58  
% 0.38/0.58  SPASS V 3.9 
% 0.38/0.58  SPASS beiseite: Proof found.
% 0.38/0.58  % SZS status Theorem
% 0.38/0.58  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.38/0.58  SPASS derived 803 clauses, backtracked 104 clauses, performed 13 splits and kept 606 clauses.
% 0.38/0.58  SPASS allocated 76516 KBytes.
% 0.38/0.58  SPASS spent	0:00:00.24 on the problem.
% 0.38/0.58  		0:00:00.03 for the input.
% 0.38/0.58  		0:00:00.00 for the FLOTTER CNF translation.
% 0.38/0.58  		0:00:00.01 for inferences.
% 0.38/0.58  		0:00:00.00 for the backtracking.
% 0.38/0.58  		0:00:00.16 for the reduction.
% 0.38/0.58  
% 0.38/0.58  
% 0.38/0.58  Here is a proof with depth 13, length 173 :
% 0.38/0.58  % SZS output start Refutation
% 0.38/0.58  1[0:Inp] ||  -> next(e_1,e_2)*.
% 0.38/0.58  5[0:Inp] ||  -> greater(e_3,e_2)*.
% 0.38/0.58  6[0:Inp] || greater(u,v)* next(w,v)* product(w,e_1,u)*+ -> .
% 0.38/0.58  7[0:Inp] ||  -> group_element(e_1)*.
% 0.38/0.58  8[0:Inp] ||  -> group_element(e_2)*.
% 0.38/0.58  9[0:Inp] ||  -> group_element(e_3)*.
% 0.38/0.58  10[0:Inp] || equalish(e_1,e_2)*+ -> .
% 0.38/0.58  11[0:Inp] || equalish(e_1,e_3)*+ -> .
% 0.38/0.58  12[0:Inp] || equalish(e_2,e_1)*+ -> .
% 0.38/0.58  13[0:Inp] || equalish(e_2,e_3)*+ -> .
% 0.38/0.58  14[0:Inp] || equalish(e_3,e_1)*+ -> .
% 0.38/0.58  15[0:Inp] || equalish(e_3,e_2)*+ -> .
% 0.38/0.58  16[0:Inp] group_element(u) group_element(v) ||  -> product(v,u,e_3) product(v,u,e_2) product(v,u,e_1)*.
% 0.38/0.58  17[0:Inp] || product(u,v,w)*+ product(u,v,x)* -> equalish(x,w)*.
% 0.38/0.58  18[0:Inp] || product(u,v,w)*+ product(u,x,w)* -> equalish(x,v)*.
% 0.38/0.58  19[0:Inp] || product(u,v,w)*+ product(x,v,w)* -> equalish(x,u)*.
% 0.38/0.58  20[0:Inp] || product(u,v,w)*+ product(u,x,v)* -> product(w,x,u)*.
% 0.38/0.58  25[0:Res:16.4,20.0] group_element(u) group_element(v) || product(v,w,u)*+ -> product(v,u,e_3) product(v,u,e_2)* product(e_1,w,v)*.
% 0.38/0.58  26[0:Res:16.4,17.0] group_element(u) group_element(v) || product(v,u,w)*+ -> product(v,u,e_3) product(v,u,e_2)* equalish(w,e_1).
% 0.38/0.58  34[0:Res:16.4,26.2] group_element(u) group_element(v) group_element(u) group_element(v) ||  -> product(v,u,e_3) product(v,u,e_2)* product(v,u,e_3) product(v,u,e_2)* equalish(e_1,e_1).
% 0.38/0.58  35[0:Obv:34.5] group_element(u) group_element(v) ||  -> product(v,u,e_3) product(v,u,e_2)* equalish(e_1,e_1).
% 0.38/0.58  36[0:Res:16.4,25.2] group_element(u) group_element(v) group_element(e_1) group_element(v) ||  -> product(v,u,e_3) product(v,u,e_2)* product(v,e_1,e_3) product(v,e_1,e_2)* product(e_1,u,v)*.
% 0.38/0.58  37[0:Obv:36.1] group_element(u) group_element(e_1) group_element(v) ||  -> product(v,u,e_3) product(v,u,e_2)* product(v,e_1,e_3) product(v,e_1,e_2)* product(e_1,u,v)*.
% 0.38/0.58  38[0:SSi:37.1,7.0] group_element(u) group_element(v) ||  -> product(v,u,e_3) product(v,u,e_2)* product(v,e_1,e_3) product(v,e_1,e_2)* product(e_1,u,v)*.
% 0.38/0.58  39[1:Spt:35.0,35.1,35.2,35.3] group_element(u) group_element(v) ||  -> product(v,u,e_3) product(v,u,e_2)*.
% 0.38/0.58  41[1:Res:39.3,20.0] group_element(u) group_element(v) || product(v,w,u)*+ -> product(v,u,e_3)* product(e_2,w,v)*.
% 0.38/0.58  42[1:Res:39.3,17.0] group_element(u) group_element(v) || product(v,u,w)*+ -> product(v,u,e_3)* equalish(w,e_2).
% 0.38/0.58  43[1:Res:39.3,18.0] group_element(u) group_element(v) || product(v,w,e_2)*+ -> product(v,u,e_3)* equalish(w,u)*.
% 0.38/0.58  47[1:Res:39.3,42.2] group_element(u) group_element(v) group_element(u) group_element(v) ||  -> product(v,u,e_3)* product(v,u,e_3)* equalish(e_2,e_2).
% 0.38/0.58  48[1:Obv:47.4] group_element(u) group_element(v) ||  -> product(v,u,e_3)* equalish(e_2,e_2).
% 0.38/0.58  51[2:Spt:48.0,48.1,48.2] group_element(u) group_element(v) ||  -> product(v,u,e_3)*.
% 0.38/0.58  52[2:Res:51.2,6.2] group_element(e_1) group_element(u) || greater(e_3,v) next(u,v)* -> .
% 0.38/0.58  57[2:SSi:52.0,7.0] group_element(u) || greater(e_3,v)+ next(u,v)* -> .
% 0.38/0.58  58[2:Res:5.0,57.1] group_element(u) || next(u,e_2)*+ -> .
% 0.38/0.58  60[2:Res:1.0,58.1] group_element(e_1) ||  -> .
% 0.38/0.58  61[2:SSi:60.0,7.0] ||  -> .
% 0.38/0.58  62[2:Spt:61.0,48.3] ||  -> equalish(e_2,e_2)*.
% 0.38/0.58  74[1:Res:39.3,41.2] group_element(u) group_element(v) group_element(e_2) group_element(v) ||  -> product(v,u,e_3)* product(v,e_2,e_3)* product(e_2,u,v)*.
% 0.38/0.58  75[1:Obv:74.1] group_element(u) group_element(e_2) group_element(v) ||  -> product(v,u,e_3)* product(v,e_2,e_3)* product(e_2,u,v)*.
% 0.38/0.58  76[1:SSi:75.1,8.0] group_element(u) group_element(v) ||  -> product(v,u,e_3)* product(v,e_2,e_3)* product(e_2,u,v)*.
% 0.38/0.58  77[1:Fac:76.2,76.3] group_element(e_2) group_element(u) ||  -> product(u,e_2,e_3)* product(e_2,e_2,u)*.
% 0.38/0.58  100[1:SSi:77.0,8.0] group_element(u) ||  -> product(u,e_2,e_3)* product(e_2,e_2,u)*.
% 0.38/0.58  119[1:Res:100.1,41.2] group_element(u) group_element(e_3) group_element(u) ||  -> product(e_2,e_2,u)* product(u,e_3,e_3)* product(e_2,e_2,u)*.
% 0.38/0.58  125[1:Res:100.2,42.2] group_element(u) group_element(e_2) group_element(e_2) ||  -> product(u,e_2,e_3)* product(e_2,e_2,e_3)* equalish(u,e_2).
% 0.38/0.58  126[1:Res:100.2,43.2] group_element(e_2) group_element(u) group_element(e_2) ||  -> product(e_2,e_2,e_3)* product(e_2,u,e_3)* equalish(e_2,u).
% 0.38/0.58  128[1:Obv:126.0] group_element(u) group_element(e_2) ||  -> product(e_2,e_2,e_3)* product(e_2,u,e_3)* equalish(e_2,u).
% 0.38/0.58  129[1:SSi:128.1,8.0] group_element(u) ||  -> product(e_2,e_2,e_3)* product(e_2,u,e_3)* equalish(e_2,u).
% 0.38/0.58  130[1:Obv:125.1] group_element(u) group_element(e_2) ||  -> product(u,e_2,e_3)* product(e_2,e_2,e_3)* equalish(u,e_2).
% 0.38/0.58  131[1:SSi:130.1,8.0] group_element(u) ||  -> product(u,e_2,e_3)* product(e_2,e_2,e_3)* equalish(u,e_2).
% 0.38/0.58  137[1:Obv:119.3] group_element(e_3) group_element(u) ||  -> product(u,e_3,e_3)* product(e_2,e_2,u)*.
% 0.38/0.58  138[1:SSi:137.0,9.0] group_element(u) ||  -> product(u,e_3,e_3)* product(e_2,e_2,u)*.
% 0.38/0.58  150[1:Res:138.2,42.2] group_element(u) group_element(e_2) group_element(e_2) ||  -> product(u,e_3,e_3)* product(e_2,e_2,e_3)* equalish(u,e_2).
% 0.38/0.58  155[1:Obv:150.1] group_element(u) group_element(e_2) ||  -> product(u,e_3,e_3)* product(e_2,e_2,e_3)* equalish(u,e_2).
% 0.38/0.58  156[1:SSi:155.1,8.0] group_element(u) ||  -> product(u,e_3,e_3)* product(e_2,e_2,e_3)* equalish(u,e_2).
% 0.38/0.58  163[3:Spt:129.0,129.2,129.3] group_element(u) ||  -> product(e_2,u,e_3)* equalish(e_2,u).
% 0.38/0.58  170[3:Res:163.1,41.2] group_element(u) group_element(e_3) group_element(e_2) ||  -> equalish(e_2,u) product(e_2,e_3,e_3)* product(e_2,u,e_2)*.
% 0.38/0.58  174[3:SSi:170.2,170.1,8.0,9.0] group_element(u) ||  -> equalish(e_2,u) product(e_2,e_3,e_3)* product(e_2,u,e_2)*.
% 0.38/0.58  212[4:Spt:131.0,131.1,131.3] group_element(u) ||  -> product(u,e_2,e_3)* equalish(u,e_2).
% 0.38/0.58  264[5:Spt:156.0,156.1,156.3] group_element(u) ||  -> product(u,e_3,e_3)* equalish(u,e_2).
% 0.38/0.58  273[6:Spt:174.0,174.1,174.3] group_element(u) ||  -> equalish(e_2,u) product(e_2,u,e_2)*.
% 0.38/0.58  276[6:Res:273.2,20.0] group_element(u) || product(e_2,v,u)* -> equalish(e_2,u) product(e_2,v,e_2)*.
% 0.38/0.58  285[6:MRR:276.3,17.1] group_element(u) || product(e_2,v,u)*+ -> equalish(e_2,u).
% 0.38/0.58  332[6:Res:163.1,285.1] group_element(u) group_element(e_3) ||  -> equalish(e_2,u)* equalish(e_2,e_3)*.
% 0.38/0.58  334[6:Con:332.0] group_element(e_3) ||  -> equalish(e_2,e_3)*.
% 0.38/0.58  335[6:SSi:334.0,9.0] ||  -> equalish(e_2,e_3)*.
% 0.38/0.58  336[6:MRR:335.0,13.0] ||  -> .
% 0.38/0.58  355[6:Spt:336.0,174.2] ||  -> product(e_2,e_3,e_3)*.
% 0.38/0.58  359[6:Res:355.0,19.0] || product(u,e_3,e_3)* -> equalish(u,e_2).
% 0.38/0.58  362[6:MRR:264.1,359.0] group_element(u) ||  -> equalish(u,e_2)*.
% 0.38/0.58  364[6:Res:362.1,10.0] group_element(e_1) ||  -> .
% 0.38/0.58  366[6:SSi:364.0,7.0] ||  -> .
% 0.38/0.58  367[5:Spt:366.0,156.2] ||  -> product(e_2,e_2,e_3)*.
% 0.38/0.58  371[5:Res:367.0,19.0] || product(u,e_2,e_3)* -> equalish(u,e_2).
% 0.38/0.58  374[5:MRR:212.1,371.0] group_element(u) ||  -> equalish(u,e_2)*.
% 0.38/0.58  377[5:Res:374.1,10.0] group_element(e_1) ||  -> .
% 0.38/0.58  379[5:SSi:377.0,7.0] ||  -> .
% 0.38/0.58  380[4:Spt:379.0,131.2] ||  -> product(e_2,e_2,e_3)*.
% 0.38/0.58  382[4:Res:380.0,20.0] || product(e_2,u,e_2)*+ -> product(e_3,u,e_2).
% 0.38/0.58  384[4:Res:380.0,18.0] || product(e_2,u,e_3)*+ -> equalish(u,e_2).
% 0.38/0.58  475[4:Res:39.3,382.0] group_element(u) group_element(e_2) ||  -> product(e_2,u,e_3)* product(e_3,u,e_2).
% 0.38/0.58  478[4:Res:138.2,382.0] group_element(e_2) ||  -> product(e_2,e_3,e_3)* product(e_3,e_2,e_2).
% 0.38/0.58  480[4:SSi:478.0,8.0] ||  -> product(e_2,e_3,e_3)* product(e_3,e_2,e_2).
% 0.38/0.58  481[4:SSi:475.1,8.0] group_element(u) ||  -> product(e_2,u,e_3)* product(e_3,u,e_2).
% 0.38/0.58  482[5:Spt:480.0] ||  -> product(e_2,e_3,e_3)*.
% 0.38/0.58  489[5:Res:482.0,384.0] ||  -> equalish(e_3,e_2)*.
% 0.38/0.58  490[5:MRR:489.0,15.0] ||  -> .
% 0.38/0.58  494[5:Spt:490.0,480.0,482.0] || product(e_2,e_3,e_3)*+ -> .
% 0.38/0.58  495[5:Spt:490.0,480.1] ||  -> product(e_3,e_2,e_2)*.
% 0.38/0.58  499[5:Res:495.0,20.0] || product(e_3,u,e_2) -> product(e_2,u,e_3)*.
% 0.38/0.58  506[5:MRR:481.2,499.0] group_element(u) ||  -> product(e_2,u,e_3)*.
% 0.38/0.58  532[5:Res:506.1,494.0] group_element(e_3) ||  -> .
% 0.38/0.58  533[5:SSi:532.0,9.0] ||  -> .
% 0.38/0.58  535[3:Spt:533.0,129.1] ||  -> product(e_2,e_2,e_3)*.
% 0.38/0.58  536[3:Res:535.0,20.0] || product(e_2,u,e_2)*+ -> product(e_3,u,e_2).
% 0.38/0.59  538[3:Res:535.0,18.0] || product(e_2,u,e_3)*+ -> equalish(u,e_2).
% 0.38/0.59  613[3:Res:39.3,536.0] group_element(u) group_element(e_2) ||  -> product(e_2,u,e_3)* product(e_3,u,e_2).
% 0.38/0.59  616[3:Res:138.2,536.0] group_element(e_2) ||  -> product(e_2,e_3,e_3)* product(e_3,e_2,e_2).
% 0.38/0.59  618[3:SSi:616.0,8.0] ||  -> product(e_2,e_3,e_3)* product(e_3,e_2,e_2).
% 0.38/0.59  619[3:SSi:613.1,8.0] group_element(u) ||  -> product(e_2,u,e_3)* product(e_3,u,e_2).
% 0.38/0.59  620[4:Spt:618.0] ||  -> product(e_2,e_3,e_3)*.
% 0.38/0.59  627[4:Res:620.0,538.0] ||  -> equalish(e_3,e_2)*.
% 0.38/0.59  628[4:MRR:627.0,15.0] ||  -> .
% 0.38/0.59  632[4:Spt:628.0,618.0,620.0] || product(e_2,e_3,e_3)*+ -> .
% 0.38/0.59  633[4:Spt:628.0,618.1] ||  -> product(e_3,e_2,e_2)*.
% 0.38/0.59  637[4:Res:633.0,20.0] || product(e_3,u,e_2) -> product(e_2,u,e_3)*.
% 0.38/0.59  644[4:MRR:619.2,637.0] group_element(u) ||  -> product(e_2,u,e_3)*.
% 0.38/0.59  670[4:Res:644.1,632.0] group_element(e_3) ||  -> .
% 0.38/0.59  671[4:SSi:670.0,9.0] ||  -> .
% 0.38/0.59  674[1:Spt:671.0,35.4] ||  -> equalish(e_1,e_1)*.
% 0.38/0.59  688[0:Fac:38.3,38.5] group_element(e_1) group_element(u) ||  -> product(u,e_1,e_3) product(u,e_1,e_3) product(u,e_1,e_2)* product(e_1,e_1,u)*.
% 0.38/0.59  702[0:Res:38.6,6.2] group_element(e_1) group_element(u) || greater(u,v)* next(e_1,v)* -> product(u,e_1,e_3) product(u,e_1,e_2)* product(u,e_1,e_3) product(u,e_1,e_2)*.
% 0.38/0.59  711[0:Obv:688.2] group_element(e_1) group_element(u) ||  -> product(u,e_1,e_3) product(u,e_1,e_2)* product(e_1,e_1,u)*.
% 0.38/0.59  712[0:SSi:711.0,7.0] group_element(u) ||  -> product(u,e_1,e_3) product(u,e_1,e_2)* product(e_1,e_1,u)*.
% 0.38/0.59  713[0:Obv:702.5] group_element(e_1) group_element(u) || greater(u,v)* next(e_1,v)* -> product(u,e_1,e_3) product(u,e_1,e_2)*.
% 0.38/0.59  714[0:SSi:713.0,7.0] group_element(u) || greater(u,v)*+ next(e_1,v)* -> product(u,e_1,e_3) product(u,e_1,e_2)*.
% 0.38/0.59  732[0:Res:712.2,25.2] group_element(u) group_element(e_2) group_element(u) ||  -> product(u,e_1,e_3)* product(e_1,e_1,u)* product(u,e_2,e_3) product(u,e_2,e_2) product(e_1,e_1,u)*.
% 0.38/0.59  751[0:Obv:732.4] group_element(e_2) group_element(u) ||  -> product(u,e_1,e_3)* product(u,e_2,e_3) product(u,e_2,e_2) product(e_1,e_1,u)*.
% 0.38/0.59  752[0:SSi:751.0,8.0] group_element(u) ||  -> product(u,e_1,e_3)* product(u,e_2,e_3) product(u,e_2,e_2) product(e_1,e_1,u)*.
% 0.38/0.59  780[0:Res:5.0,714.1] group_element(e_3) || next(e_1,e_2) -> product(e_3,e_1,e_3) product(e_3,e_1,e_2)*.
% 0.38/0.59  783[0:SSi:780.0,9.0] || next(e_1,e_2) -> product(e_3,e_1,e_3) product(e_3,e_1,e_2)*.
% 0.38/0.59  784[0:MRR:783.0,1.0] ||  -> product(e_3,e_1,e_3) product(e_3,e_1,e_2)*.
% 0.38/0.59  788[0:Res:784.1,17.0] || product(e_3,e_1,u)*+ -> product(e_3,e_1,e_3)* equalish(u,e_2).
% 0.38/0.59  789[0:Res:784.1,18.0] || product(e_3,u,e_2)* -> product(e_3,e_1,e_3)* equalish(u,e_1).
% 0.38/0.59  790[0:Res:784.1,19.0] || product(u,e_1,e_2)* -> product(e_3,e_1,e_3)* equalish(u,e_3).
% 0.38/0.59  819[2:Spt:788.1] ||  -> product(e_3,e_1,e_3)*.
% 0.38/0.59  823[2:Res:819.0,18.0] || product(e_3,u,e_3)*+ -> equalish(u,e_1).
% 0.38/0.59  824[2:Res:819.0,19.0] || product(u,e_1,e_3)*+ -> equalish(u,e_3).
% 0.38/0.59  826[2:Res:819.0,25.2] group_element(e_3) group_element(e_3) ||  -> product(e_3,e_3,e_3) product(e_3,e_3,e_2) product(e_1,e_1,e_3)*.
% 0.38/0.59  827[2:Obv:826.0] group_element(e_3) ||  -> product(e_3,e_3,e_3) product(e_3,e_3,e_2) product(e_1,e_1,e_3)*.
% 0.38/0.59  828[2:SSi:827.0,9.0] ||  -> product(e_3,e_3,e_3) product(e_3,e_3,e_2) product(e_1,e_1,e_3)*.
% 0.38/0.59  902[3:Spt:828.0] ||  -> product(e_3,e_3,e_3)*.
% 0.38/0.59  909[3:Res:902.0,823.0] ||  -> equalish(e_3,e_1)*.
% 0.38/0.59  910[3:MRR:909.0,14.0] ||  -> .
% 0.38/0.59  913[3:Spt:910.0,828.0,902.0] || product(e_3,e_3,e_3)*+ -> .
% 0.38/0.59  914[3:Spt:910.0,828.1,828.2] ||  -> product(e_3,e_3,e_2) product(e_1,e_1,e_3)*.
% 0.38/0.59  915[4:Spt:914.0] ||  -> product(e_3,e_3,e_2)*.
% 0.38/0.59  916[4:Res:915.0,20.0] || product(e_3,u,e_3)+ -> product(e_2,u,e_3)*.
% 0.38/0.59  964[4:Res:819.0,916.0] ||  -> product(e_2,e_1,e_3)*.
% 0.38/0.59  971[4:Res:964.0,824.0] ||  -> equalish(e_2,e_3)*.
% 0.38/0.59  974[4:MRR:971.0,13.0] ||  -> .
% 0.38/0.59  976[4:Spt:974.0,914.0,915.0] || product(e_3,e_3,e_2)* -> .
% 0.38/0.59  977[4:Spt:974.0,914.1] ||  -> product(e_1,e_1,e_3)*.
% 0.38/0.59  983[4:Res:977.0,824.0] ||  -> equalish(e_1,e_3)*.
% 0.38/0.59  986[4:MRR:983.0,11.0] ||  -> .
% 0.38/0.59  990[2:Spt:986.0,788.1,819.0] || product(e_3,e_1,e_3)*+ -> .
% 0.38/0.59  991[2:Spt:986.0,788.0,788.2] || product(e_3,e_1,u)*+ -> equalish(u,e_2).
% 0.38/0.59  995[2:MRR:789.1,990.0] || product(e_3,u,e_2)*+ -> equalish(u,e_1).
% 0.38/0.59  996[2:MRR:790.1,990.0] || product(u,e_1,e_2)*+ -> equalish(u,e_3).
% 0.38/0.59  1048[2:Res:712.3,996.0] group_element(e_2) ||  -> product(e_2,e_1,e_3) product(e_2,e_1,e_2)* equalish(e_1,e_3).
% 0.38/0.59  1050[2:SSi:1048.0,8.0] ||  -> product(e_2,e_1,e_3) product(e_2,e_1,e_2)* equalish(e_1,e_3).
% 0.38/0.59  1051[2:MRR:1050.2,11.0] ||  -> product(e_2,e_1,e_3) product(e_2,e_1,e_2)*.
% 0.38/0.59  1066[2:Res:1051.1,996.0] ||  -> product(e_2,e_1,e_3)* equalish(e_2,e_3).
% 0.38/0.59  1069[2:MRR:1066.1,13.0] ||  -> product(e_2,e_1,e_3)*.
% 0.38/0.59  1076[2:Res:1069.0,19.0] || product(u,e_1,e_3)*+ -> equalish(u,e_2).
% 0.38/0.59  1094[2:Res:752.4,1076.0] group_element(e_3) ||  -> product(e_3,e_1,e_3)* product(e_3,e_2,e_3) product(e_3,e_2,e_2) equalish(e_1,e_2).
% 0.38/0.59  1097[2:SSi:1094.0,9.0] ||  -> product(e_3,e_1,e_3)* product(e_3,e_2,e_3) product(e_3,e_2,e_2) equalish(e_1,e_2).
% 0.38/0.59  1098[2:MRR:1097.0,1097.3,990.0,10.0] ||  -> product(e_3,e_2,e_3) product(e_3,e_2,e_2)*.
% 0.38/0.59  1147[2:Res:1098.1,995.0] ||  -> product(e_3,e_2,e_3)* equalish(e_2,e_1).
% 0.38/0.59  1148[2:MRR:1147.1,12.0] ||  -> product(e_3,e_2,e_3)*.
% 0.38/0.59  1151[2:Res:1148.0,20.0] || product(e_3,u,e_2)* -> product(e_3,u,e_3).
% 0.38/0.59  1153[2:Res:1148.0,18.0] || product(e_3,u,e_3)*+ -> equalish(u,e_2).
% 0.38/0.59  1154[2:Res:1148.0,19.0] || product(u,e_2,e_3)*+ -> equalish(u,e_3).
% 0.38/0.59  1156[2:Res:1148.0,25.2] group_element(e_3) group_element(e_3) ||  -> product(e_3,e_3,e_3) product(e_3,e_3,e_2) product(e_1,e_2,e_3)*.
% 0.38/0.59  1160[2:Obv:1156.0] group_element(e_3) ||  -> product(e_3,e_3,e_3) product(e_3,e_3,e_2) product(e_1,e_2,e_3)*.
% 0.38/0.59  1161[2:SSi:1160.0,9.0] ||  -> product(e_3,e_3,e_3) product(e_3,e_3,e_2) product(e_1,e_2,e_3)*.
% 0.38/0.59  1162[2:MRR:1161.1,1151.0] ||  -> product(e_3,e_3,e_3) product(e_1,e_2,e_3)*.
% 0.38/0.59  1163[3:Spt:1162.0] ||  -> product(e_3,e_3,e_3)*.
% 0.38/0.59  1222[3:Res:1163.0,1153.0] ||  -> equalish(e_3,e_2)*.
% 0.38/0.59  1223[3:MRR:1222.0,15.0] ||  -> .
% 0.38/0.59  1224[3:Spt:1223.0,1162.0,1163.0] || product(e_3,e_3,e_3)*+ -> .
% 0.38/0.59  1225[3:Spt:1223.0,1162.1] ||  -> product(e_1,e_2,e_3)*.
% 0.38/0.59  1238[3:Res:1225.0,1154.0] ||  -> equalish(e_1,e_3)*.
% 0.38/0.59  1240[3:MRR:1238.0,11.0] ||  -> .
% 0.38/0.59  % SZS output end Refutation
% 0.38/0.59  Formulae used in the proof : e_1_then_e_2 e_3_greater_e_2 no_redundancy element_1 element_2 element_3 e_1_is_not_e_2 e_1_is_not_e_3 e_2_is_not_e_1 e_2_is_not_e_3 e_3_is_not_e_1 e_3_is_not_e_2 product_total_function1 product_total_function2 product_right_cancellation product_left_cancellation qg3
% 0.38/0.59  
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