TSTP Solution File: GRP213-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP213-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n022.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 11:46:21 EDT 2022

% Result   : Unsatisfiable 0.20s 0.48s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : GRP213-1 : TPTP v8.1.0. Released v2.5.0.
% 0.07/0.14  % Command  : run_spass %d %s
% 0.13/0.35  % Computer : n022.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Mon Jun 13 04:49:03 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.20/0.48  
% 0.20/0.48  SPASS V 3.9 
% 0.20/0.48  SPASS beiseite: Proof found.
% 0.20/0.48  % SZS status Theorem
% 0.20/0.48  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.20/0.48  SPASS derived 750 clauses, backtracked 215 clauses, performed 9 splits and kept 514 clauses.
% 0.20/0.48  SPASS allocated 63608 KBytes.
% 0.20/0.48  SPASS spent	0:00:00.12 on the problem.
% 0.20/0.48  		0:00:00.04 for the input.
% 0.20/0.48  		0:00:00.00 for the FLOTTER CNF translation.
% 0.20/0.48  		0:00:00.01 for inferences.
% 0.20/0.48  		0:00:00.00 for the backtracking.
% 0.20/0.48  		0:00:00.05 for the reduction.
% 0.20/0.48  
% 0.20/0.48  
% 0.20/0.48  Here is a proof with depth 5, length 317 :
% 0.20/0.48  % SZS output start Refutation
% 0.20/0.48  1[0:Inp] ||  -> equal(inverse(sk_c8),sk_c7) equal(multiply(sk_c1,sk_c8),sk_c7)**.
% 0.20/0.48  6[0:Inp] ||  -> equal(inverse(sk_c5),sk_c8) equal(multiply(sk_c1,sk_c8),sk_c7)**.
% 0.20/0.48  7[0:Inp] ||  -> equal(inverse(sk_c8),sk_c7)** equal(inverse(sk_c1),sk_c8).
% 0.20/0.48  8[0:Inp] ||  -> equal(inverse(sk_c4),sk_c8)** equal(inverse(sk_c1),sk_c8).
% 0.20/0.48  9[0:Inp] ||  -> equal(inverse(sk_c1),sk_c8) equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.20/0.48  10[0:Inp] ||  -> equal(inverse(sk_c1),sk_c8) equal(multiply(sk_c8,sk_c6),sk_c7)**.
% 0.20/0.48  11[0:Inp] ||  -> equal(inverse(sk_c1),sk_c8) equal(multiply(sk_c5,sk_c8),sk_c6)**.
% 0.20/0.48  12[0:Inp] ||  -> equal(inverse(sk_c5),sk_c8)** equal(inverse(sk_c1),sk_c8).
% 0.20/0.48  13[0:Inp] ||  -> equal(inverse(sk_c8),sk_c7) equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.20/0.48  14[0:Inp] ||  -> equal(inverse(sk_c4),sk_c8) equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.20/0.48  15[0:Inp] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8) equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.20/0.48  16[0:Inp] ||  -> equal(multiply(sk_c8,sk_c6),sk_c7) equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.20/0.48  17[0:Inp] ||  -> equal(multiply(sk_c5,sk_c8),sk_c6) equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.20/0.48  18[0:Inp] ||  -> equal(inverse(sk_c5),sk_c8) equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.20/0.48  19[0:Inp] ||  -> equal(inverse(sk_c8),sk_c7) equal(inverse(sk_c2),sk_c3)**.
% 0.20/0.48  20[0:Inp] ||  -> equal(inverse(sk_c4),sk_c8) equal(inverse(sk_c2),sk_c3)**.
% 0.20/0.48  21[0:Inp] ||  -> equal(inverse(sk_c2),sk_c3) equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.20/0.48  22[0:Inp] ||  -> equal(inverse(sk_c2),sk_c3) equal(multiply(sk_c8,sk_c6),sk_c7)**.
% 0.20/0.48  23[0:Inp] ||  -> equal(inverse(sk_c2),sk_c3) equal(multiply(sk_c5,sk_c8),sk_c6)**.
% 0.20/0.48  24[0:Inp] ||  -> equal(inverse(sk_c5),sk_c8) equal(inverse(sk_c2),sk_c3)**.
% 0.20/0.48  25[0:Inp] || equal(inverse(u),v) equal(inverse(w),sk_c8) equal(inverse(x),sk_c8) equal(inverse(y),sk_c8) equal(inverse(sk_c8),sk_c7) equal(multiply(u,v),sk_c8)**+ equal(multiply(w,sk_c8),z)* equal(multiply(x,sk_c7),sk_c8)** equal(multiply(y,sk_c8),sk_c7)** equal(multiply(sk_c8,z),sk_c7)** -> .
% 0.20/0.48  26[0:Inp] ||  -> equal(multiply(identity,u),u)**.
% 0.20/0.48  27[0:Inp] ||  -> equal(multiply(inverse(u),u),identity)**.
% 0.20/0.48  28[0:Inp] ||  -> equal(multiply(multiply(u,v),w),multiply(u,multiply(v,w)))**.
% 0.20/0.48  29[1:Spt:25.0,25.5] || equal(inverse(u),v) equal(multiply(u,v),sk_c8)** -> .
% 0.20/0.48  30[2:Spt:19.1] ||  -> equal(inverse(sk_c2),sk_c3)**.
% 0.20/0.48  32[3:Spt:7.1] ||  -> equal(inverse(sk_c1),sk_c8)**.
% 0.20/0.48  34[4:Spt:13.1] ||  -> equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.20/0.48  36[4:SpL:34.0,29.1] || equal(inverse(sk_c2),sk_c3)** equal(sk_c8,sk_c8) -> .
% 0.20/0.48  37[4:Obv:36.1] || equal(inverse(sk_c2),sk_c3)** -> .
% 0.20/0.48  38[4:Rew:30.0,37.0] || equal(sk_c3,sk_c3)* -> .
% 0.20/0.48  39[4:Obv:38.0] ||  -> .
% 0.20/0.48  40[4:Spt:39.0,13.1,34.0] || equal(multiply(sk_c2,sk_c3),sk_c8)** -> .
% 0.20/0.48  41[4:Spt:39.0,13.0] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.20/0.48  42[4:MRR:18.1,40.0] ||  -> equal(inverse(sk_c5),sk_c8)**.
% 0.20/0.48  43[4:MRR:14.1,40.0] ||  -> equal(inverse(sk_c4),sk_c8)**.
% 0.20/0.48  44[4:MRR:17.1,40.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c6)**.
% 0.20/0.48  45[4:MRR:16.1,40.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c7)**.
% 0.20/0.48  46[4:MRR:15.1,40.0] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.20/0.48  64[2:SpR:30.0,27.0] ||  -> equal(multiply(sk_c3,sk_c2),identity)**.
% 0.20/0.48  65[3:SpR:32.0,27.0] ||  -> equal(multiply(sk_c8,sk_c1),identity)**.
% 0.20/0.48  66[4:SpR:41.0,27.0] ||  -> equal(multiply(sk_c7,sk_c8),identity)**.
% 0.20/0.48  67[4:SpR:42.0,27.0] ||  -> equal(multiply(sk_c8,sk_c5),identity)**.
% 0.20/0.48  68[4:SpR:43.0,27.0] ||  -> equal(multiply(sk_c8,sk_c4),identity)**.
% 0.20/0.48  83[4:SpR:66.0,28.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),multiply(identity,u))**.
% 0.20/0.48  84[4:SpR:45.0,28.0] ||  -> equal(multiply(sk_c8,multiply(sk_c6,u)),multiply(sk_c7,u))**.
% 0.20/0.48  87[4:SpR:46.0,28.0] ||  -> equal(multiply(sk_c4,multiply(sk_c7,u)),multiply(sk_c8,u))**.
% 0.20/0.48  89[0:SpR:27.0,28.0] ||  -> equal(multiply(inverse(u),multiply(u,v)),multiply(identity,v))**.
% 0.20/0.48  90[2:SpR:64.0,28.0] ||  -> equal(multiply(sk_c3,multiply(sk_c2,u)),multiply(identity,u))**.
% 0.20/0.48  92[4:Rew:26.0,83.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),u)**.
% 0.20/0.48  95[2:Rew:26.0,90.0] ||  -> equal(multiply(sk_c3,multiply(sk_c2,u)),u)**.
% 0.20/0.48  96[0:Rew:26.0,89.0] ||  -> equal(multiply(inverse(u),multiply(u,v)),v)**.
% 0.20/0.48  105[4:SpR:45.0,92.0] ||  -> equal(multiply(sk_c7,sk_c7),sk_c6)**.
% 0.20/0.48  106[4:SpR:65.0,92.0] ||  -> equal(multiply(sk_c7,identity),sk_c1)**.
% 0.20/0.48  107[4:SpR:67.0,92.0] ||  -> equal(multiply(sk_c7,identity),sk_c5)**.
% 0.20/0.48  108[4:SpR:68.0,92.0] ||  -> equal(multiply(sk_c7,identity),sk_c4)**.
% 0.20/0.48  109[4:SpL:92.0,29.1] || equal(multiply(sk_c8,u),inverse(sk_c7))** equal(u,sk_c8) -> .
% 0.20/0.48  110[4:Rew:106.0,107.0] ||  -> equal(sk_c5,sk_c1)**.
% 0.20/0.48  112[4:Rew:110.0,44.0] ||  -> equal(multiply(sk_c1,sk_c8),sk_c6)**.
% 0.20/0.48  117[4:Rew:106.0,108.0] ||  -> equal(sk_c4,sk_c1)**.
% 0.20/0.48  121[4:Rew:117.0,87.0] ||  -> equal(multiply(sk_c1,multiply(sk_c7,u)),multiply(sk_c8,u))**.
% 0.20/0.48  130[4:SpR:105.0,28.0] ||  -> equal(multiply(sk_c7,multiply(sk_c7,u)),multiply(sk_c6,u))**.
% 0.20/0.48  133[4:SpR:106.0,28.0] ||  -> equal(multiply(sk_c7,multiply(identity,u)),multiply(sk_c1,u))**.
% 0.20/0.48  136[4:Rew:26.0,133.0] ||  -> equal(multiply(sk_c7,u),multiply(sk_c1,u))**.
% 0.20/0.48  137[4:Rew:136.0,106.0] ||  -> equal(multiply(sk_c1,identity),sk_c1)**.
% 0.20/0.48  140[4:Rew:136.0,66.0] ||  -> equal(multiply(sk_c1,sk_c8),identity)**.
% 0.20/0.48  141[4:Rew:136.0,130.0] ||  -> equal(multiply(sk_c1,multiply(sk_c7,u)),multiply(sk_c6,u))**.
% 0.20/0.48  142[4:Rew:136.0,84.0] ||  -> equal(multiply(sk_c8,multiply(sk_c6,u)),multiply(sk_c1,u))**.
% 0.20/0.48  143[4:Rew:136.0,121.0] ||  -> equal(multiply(sk_c1,multiply(sk_c1,u)),multiply(sk_c8,u))**.
% 0.20/0.48  146[4:Rew:112.0,140.0] ||  -> equal(identity,sk_c6)**.
% 0.20/0.48  147[4:Rew:146.0,26.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.20/0.48  156[4:Rew:146.0,137.0] ||  -> equal(multiply(sk_c1,sk_c6),sk_c1)**.
% 0.20/0.48  159[4:Rew:136.0,141.0,147.0,141.0] ||  -> equal(multiply(sk_c1,multiply(sk_c1,u)),u)**.
% 0.20/0.48  160[4:Rew:147.0,142.0] ||  -> equal(multiply(sk_c8,u),multiply(sk_c1,u))**.
% 0.20/0.48  161[4:Rew:160.0,45.0] ||  -> equal(multiply(sk_c1,sk_c6),sk_c7)**.
% 0.20/0.48  164[4:Rew:160.0,109.0] || equal(multiply(sk_c1,u),inverse(sk_c7))** equal(u,sk_c8) -> .
% 0.20/0.48  166[4:Rew:156.0,161.0] ||  -> equal(sk_c7,sk_c1)**.
% 0.20/0.48  174[4:Rew:159.0,143.0,160.0,143.0] ||  -> equal(multiply(sk_c1,u),u)**.
% 0.20/0.48  193[4:Rew:174.0,164.0,166.0,164.0] || equal(u,inverse(sk_c1))* equal(u,sk_c8) -> .
% 0.20/0.48  194[4:Rew:32.0,193.0] || equal(u,sk_c8)* equal(u,sk_c8)* -> .
% 0.20/0.48  195[4:Obv:194.0] || equal(u,sk_c8)* -> .
% 0.20/0.48  196[4:UnC:195.0,32.0] ||  -> .
% 0.20/0.48  197[3:Spt:196.0,7.1,32.0] || equal(inverse(sk_c1),sk_c8)** -> .
% 0.20/0.48  198[3:Spt:196.0,7.0] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.20/0.48  199[3:MRR:12.1,197.0] ||  -> equal(inverse(sk_c5),sk_c8)**.
% 0.20/0.48  200[3:MRR:8.1,197.0] ||  -> equal(inverse(sk_c4),sk_c8)**.
% 0.20/0.48  201[3:MRR:11.0,197.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c6)**.
% 0.20/0.48  202[3:MRR:10.0,197.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c7)**.
% 0.20/0.48  203[3:MRR:9.0,197.0] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.20/0.48  216[3:SpR:202.0,28.0] ||  -> equal(multiply(sk_c8,multiply(sk_c6,u)),multiply(sk_c7,u))**.
% 0.20/0.48  220[3:SpR:203.0,28.0] ||  -> equal(multiply(sk_c4,multiply(sk_c7,u)),multiply(sk_c8,u))**.
% 0.20/0.48  231[3:SpR:198.0,27.0] ||  -> equal(multiply(sk_c7,sk_c8),identity)**.
% 0.20/0.48  232[3:SpR:199.0,27.0] ||  -> equal(multiply(sk_c8,sk_c5),identity)**.
% 0.20/0.48  233[3:SpR:200.0,27.0] ||  -> equal(multiply(sk_c8,sk_c4),identity)**.
% 0.20/0.48  236[3:SpR:231.0,28.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),multiply(identity,u))**.
% 0.20/0.48  239[3:Rew:26.0,236.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),u)**.
% 0.20/0.48  256[3:SpR:202.0,239.0] ||  -> equal(multiply(sk_c7,sk_c7),sk_c6)**.
% 0.20/0.48  257[3:SpR:232.0,239.0] ||  -> equal(multiply(sk_c7,identity),sk_c5)**.
% 0.20/0.48  258[3:SpR:233.0,239.0] ||  -> equal(multiply(sk_c7,identity),sk_c4)**.
% 0.20/0.48  259[3:SpL:239.0,29.1] || equal(multiply(sk_c8,u),inverse(sk_c7))** equal(u,sk_c8) -> .
% 0.20/0.48  260[3:Rew:257.0,258.0] ||  -> equal(sk_c5,sk_c4)**.
% 0.20/0.48  262[3:Rew:260.0,201.0] ||  -> equal(multiply(sk_c4,sk_c8),sk_c6)**.
% 0.20/0.48  267[3:Rew:260.0,257.0] ||  -> equal(multiply(sk_c7,identity),sk_c4)**.
% 0.20/0.48  273[3:SpR:256.0,28.0] ||  -> equal(multiply(sk_c7,multiply(sk_c7,u)),multiply(sk_c6,u))**.
% 0.20/0.48  276[3:SpR:267.0,28.0] ||  -> equal(multiply(sk_c7,multiply(identity,u)),multiply(sk_c4,u))**.
% 0.20/0.48  279[3:Rew:26.0,276.0] ||  -> equal(multiply(sk_c4,u),multiply(sk_c7,u))**.
% 0.20/0.48  280[3:Rew:279.0,262.0] ||  -> equal(multiply(sk_c7,sk_c8),sk_c6)**.
% 0.20/0.48  283[3:Rew:279.0,220.0] ||  -> equal(multiply(sk_c7,multiply(sk_c7,u)),multiply(sk_c8,u))**.
% 0.20/0.48  285[3:Rew:231.0,280.0] ||  -> equal(identity,sk_c6)**.
% 0.20/0.48  287[3:Rew:285.0,26.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.20/0.48  291[3:Rew:285.0,267.0] ||  -> equal(multiply(sk_c7,sk_c6),sk_c4)**.
% 0.20/0.48  299[3:Rew:287.0,216.0] ||  -> equal(multiply(sk_c7,u),multiply(sk_c8,u))**.
% 0.20/0.48  300[3:Rew:287.0,273.0] ||  -> equal(multiply(sk_c7,multiply(sk_c7,u)),u)**.
% 0.20/0.48  303[3:Rew:299.0,291.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c4)**.
% 0.20/0.48  307[3:Rew:202.0,303.0] ||  -> equal(sk_c4,sk_c7)**.
% 0.20/0.48  308[3:Rew:307.0,200.0] ||  -> equal(inverse(sk_c7),sk_c8)**.
% 0.20/0.48  311[3:Rew:308.0,259.0] || equal(multiply(sk_c8,u),sk_c8)** equal(u,sk_c8) -> .
% 0.20/0.48  312[3:Rew:299.0,300.0,299.0,300.0] ||  -> equal(multiply(sk_c8,multiply(sk_c8,u)),u)**.
% 0.20/0.48  316[3:Rew:312.0,283.0,299.0,283.0,299.0,283.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.20/0.48  336[3:Rew:316.0,311.0] || equal(u,sk_c8)* equal(u,sk_c8)* -> .
% 0.20/0.48  337[3:Obv:336.0] || equal(u,sk_c8)* -> .
% 0.20/0.48  338[3:UnC:337.0,95.0] ||  -> .
% 0.20/0.48  339[2:Spt:338.0,19.1,30.0] || equal(inverse(sk_c2),sk_c3)** -> .
% 0.20/0.48  340[2:Spt:338.0,19.0] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.20/0.48  341[2:MRR:24.1,339.0] ||  -> equal(inverse(sk_c5),sk_c8)**.
% 0.20/0.48  342[2:MRR:20.1,339.0] ||  -> equal(inverse(sk_c4),sk_c8)**.
% 0.20/0.48  343[2:MRR:23.0,339.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c6)**.
% 0.20/0.48  344[2:MRR:22.0,339.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c7)**.
% 0.20/0.48  345[2:MRR:21.0,339.0] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.20/0.48  354[2:SpR:344.0,28.0] ||  -> equal(multiply(sk_c8,multiply(sk_c6,u)),multiply(sk_c7,u))**.
% 0.20/0.48  368[2:SpR:340.0,27.0] ||  -> equal(multiply(sk_c7,sk_c8),identity)**.
% 0.20/0.48  369[2:SpR:341.0,27.0] ||  -> equal(multiply(sk_c8,sk_c5),identity)**.
% 0.20/0.48  370[2:SpR:342.0,27.0] ||  -> equal(multiply(sk_c8,sk_c4),identity)**.
% 0.20/0.48  373[2:SpR:368.0,28.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),multiply(identity,u))**.
% 0.20/0.48  376[2:Rew:26.0,373.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),u)**.
% 0.20/0.48  390[2:SpR:369.0,376.0] ||  -> equal(multiply(sk_c7,identity),sk_c5)**.
% 0.20/0.48  391[2:SpR:370.0,376.0] ||  -> equal(multiply(sk_c7,identity),sk_c4)**.
% 0.20/0.48  392[2:SpL:376.0,29.1] || equal(multiply(sk_c8,u),inverse(sk_c7))** equal(u,sk_c8) -> .
% 0.20/0.48  393[2:Rew:390.0,391.0] ||  -> equal(sk_c5,sk_c4)**.
% 0.20/0.48  395[2:Rew:393.0,343.0] ||  -> equal(multiply(sk_c4,sk_c8),sk_c6)**.
% 0.20/0.48  400[2:Rew:393.0,390.0] ||  -> equal(multiply(sk_c7,identity),sk_c4)**.
% 0.20/0.48  410[0:SpR:96.0,96.0] ||  -> equal(multiply(inverse(inverse(u)),v),multiply(u,v))**.
% 0.20/0.48  416[2:SpR:345.0,96.0] ||  -> equal(multiply(inverse(sk_c4),sk_c8),sk_c7)**.
% 0.20/0.48  419[0:SpR:27.0,96.0] ||  -> equal(multiply(inverse(inverse(u)),identity),u)**.
% 0.20/0.48  427[2:Rew:342.0,416.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c7)**.
% 0.20/0.48  432[0:Rew:410.0,419.0] ||  -> equal(multiply(u,identity),u)**.
% 0.20/0.48  433[2:Rew:432.0,400.0] ||  -> equal(sk_c4,sk_c7)**.
% 0.20/0.48  434[2:Rew:433.0,342.0] ||  -> equal(inverse(sk_c7),sk_c8)**.
% 0.20/0.48  438[2:Rew:433.0,395.0] ||  -> equal(multiply(sk_c7,sk_c8),sk_c6)**.
% 0.20/0.48  444[2:Rew:434.0,392.0] || equal(multiply(sk_c8,u),sk_c8)** equal(u,sk_c8) -> .
% 0.20/0.48  448[2:Rew:368.0,438.0] ||  -> equal(identity,sk_c6)**.
% 0.20/0.48  449[2:Rew:448.0,26.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.20/0.48  451[2:Rew:448.0,368.0] ||  -> equal(multiply(sk_c7,sk_c8),sk_c6)**.
% 0.20/0.48  457[2:Rew:449.0,354.0] ||  -> equal(multiply(sk_c7,u),multiply(sk_c8,u))**.
% 0.20/0.48  464[2:Rew:457.0,451.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c6)**.
% 0.20/0.48  465[2:Rew:427.0,464.0] ||  -> equal(sk_c6,sk_c7)**.
% 0.20/0.48  468[2:Rew:465.0,449.0] ||  -> equal(multiply(sk_c7,u),u)**.
% 0.20/0.48  473[2:Rew:457.0,468.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.20/0.48  490[2:Rew:473.0,444.0] || equal(u,sk_c8)* equal(u,sk_c8)* -> .
% 0.20/0.48  491[2:Obv:490.0] || equal(u,sk_c8)* -> .
% 0.20/0.48  492[2:UnC:491.0,96.0] ||  -> .
% 0.20/0.48  495[1:Spt:492.0,25.1,25.2,25.3,25.4,25.6,25.7,25.8,25.9] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(inverse(sk_c8),sk_c7) equal(multiply(u,sk_c8),x)*+ equal(multiply(v,sk_c7),sk_c8)** equal(multiply(w,sk_c8),sk_c7)** equal(multiply(sk_c8,x),sk_c7)** -> .
% 0.20/0.48  496[1:EqR:495.4] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(inverse(sk_c8),sk_c7) equal(multiply(v,sk_c7),sk_c8)** equal(multiply(w,sk_c8),sk_c7)** equal(multiply(sk_c8,multiply(u,sk_c8)),sk_c7)** -> .
% 0.20/0.48  498[2:Spt:7.0] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.20/0.48  501[2:Rew:498.0,496.3] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(sk_c7,sk_c7) equal(multiply(v,sk_c7),sk_c8)** equal(multiply(w,sk_c8),sk_c7)** equal(multiply(sk_c8,multiply(u,sk_c8)),sk_c7)** -> .
% 0.20/0.48  502[2:Obv:501.3] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(v,sk_c7),sk_c8)** equal(multiply(w,sk_c8),sk_c7)** equal(multiply(sk_c8,multiply(u,sk_c8)),sk_c7)** -> .
% 0.20/0.48  505[2:SpR:498.0,96.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),u)**.
% 0.20/0.48  507[3:Spt:24.1] ||  -> equal(inverse(sk_c2),sk_c3)**.
% 0.20/0.48  508[3:SpR:507.0,96.0] ||  -> equal(multiply(sk_c3,multiply(sk_c2,u)),u)**.
% 0.20/0.48  510[4:Spt:12.1] ||  -> equal(inverse(sk_c1),sk_c8)**.
% 0.20/0.48  511[4:SpR:510.0,96.0] ||  -> equal(multiply(sk_c8,multiply(sk_c1,u)),u)**.
% 0.20/0.48  516[5:Spt:18.1] ||  -> equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.20/0.48  518[5:SpR:516.0,96.0] ||  -> equal(multiply(inverse(sk_c2),sk_c8),sk_c3)**.
% 0.20/0.48  520[5:Rew:507.0,518.0] ||  -> equal(multiply(sk_c3,sk_c8),sk_c3)**.
% 0.20/0.48  521[6:Spt:6.1] ||  -> equal(multiply(sk_c1,sk_c8),sk_c7)**.
% 0.20/0.48  523[6:SpR:521.0,96.0] ||  -> equal(multiply(inverse(sk_c1),sk_c7),sk_c8)**.
% 0.20/0.48  525[6:Rew:510.0,523.0] ||  -> equal(multiply(sk_c8,sk_c7),sk_c8)**.
% 0.20/0.48  527[5:SpR:520.0,96.0] ||  -> equal(multiply(inverse(sk_c3),sk_c3),sk_c8)**.
% 0.20/0.48  529[5:Rew:27.0,527.0] ||  -> equal(identity,sk_c8)**.
% 0.20/0.48  530[5:Rew:529.0,26.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.20/0.48  531[5:Rew:529.0,432.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.20/0.48  534[6:Rew:530.0,525.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.20/0.48  540[5:Rew:530.0,511.0] ||  -> equal(multiply(sk_c1,u),u)**.
% 0.20/0.48  541[5:Rew:530.0,502.5] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(v,sk_c7),sk_c8)** equal(multiply(w,sk_c8),sk_c7)** equal(multiply(u,sk_c8),sk_c7)** -> .
% 0.20/0.48  548[5:Con:541.0] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(multiply(u,sk_c7),sk_c8)** equal(multiply(v,sk_c8),sk_c7)** -> .
% 0.20/0.48  549[6:Rew:531.0,548.3,534.0,548.3,531.0,548.2,534.0,548.2] || equal(inverse(u),sk_c8)** equal(inverse(v),sk_c8)** equal(u,sk_c8) equal(v,sk_c8) -> .
% 0.20/0.48  550[6:Con:549.1] || equal(inverse(u),sk_c8)** equal(u,sk_c8) -> .
% 0.20/0.48  573[5:SpR:540.0,531.0] ||  -> equal(sk_c8,sk_c1)**.
% 0.20/0.48  575[5:Rew:573.0,510.0] ||  -> equal(inverse(sk_c1),sk_c1)**.
% 0.20/0.48  583[6:Rew:573.0,550.0] || equal(inverse(u),sk_c1)** equal(u,sk_c8) -> .
% 0.20/0.48  585[6:Rew:573.0,583.1] || equal(inverse(u),sk_c1)** equal(u,sk_c1) -> .
% 0.20/0.48  637[6:SpL:575.0,585.0] || equal(sk_c1,sk_c1)* equal(sk_c1,sk_c1)* -> .
% 0.20/0.48  639[6:Obv:637.1] ||  -> .
% 0.20/0.48  640[6:Spt:639.0,6.1,521.0] || equal(multiply(sk_c1,sk_c8),sk_c7)** -> .
% 0.20/0.48  641[6:Spt:639.0,6.0] ||  -> equal(inverse(sk_c5),sk_c8)**.
% 0.20/0.48  642[5:Rew:575.0,498.0,573.0,498.0] ||  -> equal(sk_c7,sk_c1)**.
% 0.20/0.48  647[6:Rew:540.0,640.0,573.0,640.0] || equal(sk_c7,sk_c1)** -> .
% 0.20/0.48  648[6:Rew:642.0,647.0] || equal(sk_c1,sk_c1)* -> .
% 0.20/0.48  649[6:Obv:648.0] ||  -> .
% 0.20/0.48  665[5:Spt:649.0,18.1,516.0] || equal(multiply(sk_c2,sk_c3),sk_c8)** -> .
% 0.20/0.48  666[5:Spt:649.0,18.0] ||  -> equal(inverse(sk_c5),sk_c8)**.
% 0.20/0.48  667[5:MRR:14.1,665.0] ||  -> equal(inverse(sk_c4),sk_c8)**.
% 0.20/0.48  668[5:MRR:17.1,665.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c6)**.
% 0.20/0.48  669[5:MRR:16.1,665.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c7)**.
% 0.20/0.48  670[5:MRR:15.1,665.0] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.20/0.48  680[5:SpR:668.0,96.0] ||  -> equal(multiply(inverse(sk_c5),sk_c6),sk_c8)**.
% 0.20/0.48  682[5:Rew:666.0,680.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c8)**.
% 0.20/0.48  683[5:Rew:669.0,682.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.20/0.48  684[5:Rew:683.0,498.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.20/0.48  685[5:Rew:683.0,505.0] ||  -> equal(multiply(sk_c8,multiply(sk_c8,u)),u)**.
% 0.20/0.48  686[5:Rew:683.0,669.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c8)**.
% 0.20/0.48  687[5:Rew:683.0,670.0] ||  -> equal(multiply(sk_c4,sk_c8),sk_c8)**.
% 0.20/0.48  697[5:SpR:686.0,28.0] ||  -> equal(multiply(sk_c8,multiply(sk_c6,u)),multiply(sk_c8,u))**.
% 0.20/0.48  698[5:SpR:686.0,96.0] ||  -> equal(multiply(inverse(sk_c8),sk_c8),sk_c6)**.
% 0.20/0.48  700[5:Rew:684.0,698.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c6)**.
% 0.20/0.48  705[5:SpR:687.0,96.0] ||  -> equal(multiply(inverse(sk_c4),sk_c8),sk_c8)**.
% 0.20/0.48  707[5:Rew:667.0,705.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c8)**.
% 0.20/0.48  708[5:Rew:700.0,707.0] ||  -> equal(sk_c6,sk_c8)**.
% 0.20/0.48  712[5:Rew:708.0,697.0] ||  -> equal(multiply(sk_c8,multiply(sk_c8,u)),multiply(sk_c8,u))**.
% 0.20/0.48  714[5:Rew:685.0,712.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.20/0.48  733[3:SpR:432.0,508.0] ||  -> equal(multiply(sk_c3,sk_c2),identity)**.
% 0.20/0.48  738[3:SpR:733.0,96.0] ||  -> equal(multiply(inverse(sk_c3),identity),sk_c2)**.
% 0.20/0.48  740[3:Rew:432.0,738.0] ||  -> equal(inverse(sk_c3),sk_c2)**.
% 0.20/0.48  747[5:SpR:714.0,432.0] ||  -> equal(identity,sk_c8)**.
% 0.20/0.48  753[5:Rew:747.0,27.0] ||  -> equal(multiply(inverse(u),u),sk_c8)**.
% 0.20/0.48  776[5:SpR:510.0,753.0] ||  -> equal(multiply(sk_c8,sk_c1),sk_c8)**.
% 0.20/0.48  779[5:SpR:740.0,753.0] ||  -> equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.20/0.48  783[5:Rew:714.0,776.0] ||  -> equal(sk_c8,sk_c1)**.
% 0.20/0.48  790[5:Rew:783.0,665.0] || equal(multiply(sk_c2,sk_c3),sk_c1)** -> .
% 0.20/0.48  801[5:Rew:783.0,779.0] ||  -> equal(multiply(sk_c2,sk_c3),sk_c1)**.
% 0.20/0.48  803[5:Rew:801.0,790.0] || equal(sk_c1,sk_c1)* -> .
% 0.20/0.48  804[5:Obv:803.0] ||  -> .
% 0.20/0.48  809[4:Spt:804.0,12.1,510.0] || equal(inverse(sk_c1),sk_c8)** -> .
% 0.20/0.48  810[4:Spt:804.0,12.0] ||  -> equal(inverse(sk_c5),sk_c8)**.
% 0.20/0.48  811[4:MRR:8.1,809.0] ||  -> equal(inverse(sk_c4),sk_c8)**.
% 0.20/0.48  812[4:MRR:11.0,809.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c6)**.
% 0.20/0.48  813[4:MRR:10.0,809.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c7)**.
% 0.20/0.48  814[4:MRR:9.0,809.0] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.20/0.48  827[4:SpR:812.0,96.0] ||  -> equal(multiply(inverse(sk_c5),sk_c6),sk_c8)**.
% 0.20/0.48  829[4:Rew:810.0,827.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c8)**.
% 0.20/0.48  830[4:Rew:813.0,829.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.20/0.48  831[4:Rew:830.0,498.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.20/0.48  832[4:Rew:830.0,505.0] ||  -> equal(multiply(sk_c8,multiply(sk_c8,u)),u)**.
% 0.20/0.48  833[4:Rew:830.0,813.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c8)**.
% 0.20/0.48  834[4:Rew:830.0,814.0] ||  -> equal(multiply(sk_c4,sk_c8),sk_c8)**.
% 0.20/0.48  836[4:Rew:830.0,502.3] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(v,sk_c8),sk_c8)** equal(multiply(w,sk_c8),sk_c7)** equal(multiply(sk_c8,multiply(u,sk_c8)),sk_c7)** -> .
% 0.20/0.48  838[4:Rew:830.0,836.5,830.0,836.4] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(v,sk_c8),sk_c8)** equal(multiply(w,sk_c8),sk_c8)** equal(multiply(sk_c8,multiply(u,sk_c8)),sk_c8)** -> .
% 0.20/0.48  839[4:Con:838.2] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(multiply(v,sk_c8),sk_c8)** equal(multiply(sk_c8,multiply(u,sk_c8)),sk_c8)** -> .
% 0.20/0.48  847[4:SpR:833.0,28.0] ||  -> equal(multiply(sk_c8,multiply(sk_c6,u)),multiply(sk_c8,u))**.
% 0.20/0.48  848[4:SpR:833.0,96.0] ||  -> equal(multiply(inverse(sk_c8),sk_c8),sk_c6)**.
% 0.20/0.48  850[4:Rew:831.0,848.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c6)**.
% 0.20/0.48  852[4:SpR:834.0,96.0] ||  -> equal(multiply(inverse(sk_c4),sk_c8),sk_c8)**.
% 0.20/0.48  854[4:Rew:811.0,852.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c8)**.
% 0.20/0.48  855[4:Rew:850.0,854.0] ||  -> equal(sk_c6,sk_c8)**.
% 0.20/0.48  859[4:Rew:855.0,847.0] ||  -> equal(multiply(sk_c8,multiply(sk_c8,u)),multiply(sk_c8,u))**.
% 0.20/0.48  861[4:Rew:832.0,859.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.20/0.48  867[4:Rew:861.0,839.3] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(multiply(v,sk_c8),sk_c8)** equal(multiply(u,sk_c8),sk_c8)** -> .
% 0.20/0.48  870[4:Con:867.0] || equal(inverse(u),sk_c8) equal(multiply(u,sk_c8),sk_c8)** -> .
% 0.20/0.48  885[4:SpR:861.0,432.0] ||  -> equal(identity,sk_c8)**.
% 0.20/0.48  889[4:Rew:885.0,432.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.20/0.48  892[4:Rew:889.0,870.1] || equal(inverse(u),sk_c8)** equal(u,sk_c8) -> .
% 0.20/0.48  945[4:SpL:831.0,892.0] || equal(sk_c8,sk_c8)* equal(sk_c8,sk_c8)* -> .
% 0.20/0.48  946[4:Obv:945.1] ||  -> .
% 0.20/0.48  947[3:Spt:946.0,24.1,507.0] || equal(inverse(sk_c2),sk_c3)** -> .
% 0.20/0.48  948[3:Spt:946.0,24.0] ||  -> equal(inverse(sk_c5),sk_c8)**.
% 0.20/0.48  949[3:MRR:20.1,947.0] ||  -> equal(inverse(sk_c4),sk_c8)**.
% 0.20/0.48  950[3:MRR:23.0,947.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c6)**.
% 0.20/0.48  951[3:MRR:22.0,947.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c7)**.
% 0.20/0.48  952[3:MRR:21.0,947.0] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.20/0.48  960[3:SpR:950.0,96.0] ||  -> equal(multiply(inverse(sk_c5),sk_c6),sk_c8)**.
% 0.20/0.48  962[3:Rew:948.0,960.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c8)**.
% 0.20/0.48  963[3:Rew:951.0,962.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.20/0.48  964[3:Rew:963.0,498.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.20/0.48  965[3:Rew:963.0,505.0] ||  -> equal(multiply(sk_c8,multiply(sk_c8,u)),u)**.
% 0.20/0.48  966[3:Rew:963.0,951.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c8)**.
% 0.20/0.48  967[3:Rew:963.0,952.0] ||  -> equal(multiply(sk_c4,sk_c8),sk_c8)**.
% 0.20/0.48  969[3:Rew:963.0,502.3] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(v,sk_c8),sk_c8)** equal(multiply(w,sk_c8),sk_c7)** equal(multiply(sk_c8,multiply(u,sk_c8)),sk_c7)** -> .
% 0.20/0.48  971[3:Rew:963.0,969.5,963.0,969.4] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(v,sk_c8),sk_c8)** equal(multiply(w,sk_c8),sk_c8)** equal(multiply(sk_c8,multiply(u,sk_c8)),sk_c8)** -> .
% 0.20/0.48  972[3:Con:971.2] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(multiply(v,sk_c8),sk_c8)** equal(multiply(sk_c8,multiply(u,sk_c8)),sk_c8)** -> .
% 0.20/0.48  980[3:SpR:966.0,28.0] ||  -> equal(multiply(sk_c8,multiply(sk_c6,u)),multiply(sk_c8,u))**.
% 0.20/0.48  981[3:SpR:966.0,96.0] ||  -> equal(multiply(inverse(sk_c8),sk_c8),sk_c6)**.
% 0.20/0.48  983[3:Rew:964.0,981.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c6)**.
% 0.20/0.48  985[3:SpR:967.0,96.0] ||  -> equal(multiply(inverse(sk_c4),sk_c8),sk_c8)**.
% 0.20/0.48  987[3:Rew:949.0,985.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c8)**.
% 0.20/0.48  988[3:Rew:983.0,987.0] ||  -> equal(sk_c6,sk_c8)**.
% 0.20/0.48  992[3:Rew:988.0,980.0] ||  -> equal(multiply(sk_c8,multiply(sk_c8,u)),multiply(sk_c8,u))**.
% 0.20/0.48  994[3:Rew:965.0,992.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.20/0.48  1000[3:Rew:994.0,972.3] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(multiply(v,sk_c8),sk_c8)** equal(multiply(u,sk_c8),sk_c8)** -> .
% 0.20/0.48  1003[3:Con:1000.0] || equal(inverse(u),sk_c8) equal(multiply(u,sk_c8),sk_c8)** -> .
% 0.20/0.48  1017[3:SpR:994.0,432.0] ||  -> equal(identity,sk_c8)**.
% 0.20/0.48  1019[3:Rew:1017.0,432.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.20/0.48  1023[3:Rew:1019.0,1003.1] || equal(inverse(u),sk_c8)** equal(u,sk_c8) -> .
% 0.20/0.48  1051[3:SpL:964.0,1023.0] || equal(sk_c8,sk_c8)* equal(sk_c8,sk_c8)* -> .
% 0.20/0.48  1052[3:Obv:1051.1] ||  -> .
% 0.20/0.48  1053[2:Spt:1052.0,7.0,498.0] || equal(inverse(sk_c8),sk_c7)** -> .
% 0.20/0.48  1054[2:Spt:1052.0,7.1] ||  -> equal(inverse(sk_c1),sk_c8)**.
% 0.20/0.48  1055[2:MRR:19.0,1053.0] ||  -> equal(inverse(sk_c2),sk_c3)**.
% 0.20/0.48  1056[2:MRR:1.0,1053.0] ||  -> equal(multiply(sk_c1,sk_c8),sk_c7)**.
% 0.20/0.48  1057[2:MRR:13.0,1053.0] ||  -> equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.20/0.48  1063[2:SpR:1056.0,96.0] ||  -> equal(multiply(inverse(sk_c1),sk_c7),sk_c8)**.
% 0.20/0.48  1065[2:Rew:1054.0,1063.0] ||  -> equal(multiply(sk_c8,sk_c7),sk_c8)**.
% 0.20/0.48  1067[2:SpR:1057.0,96.0] ||  -> equal(multiply(inverse(sk_c2),sk_c8),sk_c3)**.
% 0.20/0.48  1069[2:Rew:1055.0,1067.0] ||  -> equal(multiply(sk_c3,sk_c8),sk_c3)**.
% 0.20/0.48  1074[2:SpR:1065.0,96.0] ||  -> equal(multiply(inverse(sk_c8),sk_c8),sk_c7)**.
% 0.20/0.48  1076[2:Rew:27.0,1074.0] ||  -> equal(identity,sk_c7)**.
% 0.20/0.48  1078[2:Rew:1076.0,432.0] ||  -> equal(multiply(u,sk_c7),u)**.
% 0.20/0.48  1079[2:Rew:1076.0,27.0] ||  -> equal(multiply(inverse(u),u),sk_c7)**.
% 0.20/0.48  1085[2:SpR:1069.0,96.0] ||  -> equal(multiply(inverse(sk_c3),sk_c3),sk_c8)**.
% 0.20/0.48  1087[2:Rew:1079.0,1085.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.20/0.48  1088[2:Rew:1087.0,1053.0] || equal(inverse(sk_c8),sk_c8)** -> .
% 0.20/0.48  1089[2:Rew:1087.0,1056.0] ||  -> equal(multiply(sk_c1,sk_c8),sk_c8)**.
% 0.20/0.48  1092[2:Rew:1087.0,1078.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.20/0.48  1098[2:Rew:1092.0,1089.0] ||  -> equal(sk_c8,sk_c1)**.
% 0.20/0.48  1099[2:Rew:1098.0,1054.0] ||  -> equal(inverse(sk_c1),sk_c1)**.
% 0.20/0.48  1103[2:Rew:1098.0,1088.0] || equal(inverse(sk_c1),sk_c1)** -> .
% 0.20/0.48  1106[2:Rew:1099.0,1103.0] || equal(sk_c1,sk_c1)* -> .
% 0.20/0.48  1107[2:Obv:1106.0] ||  -> .
% 0.20/0.48  % SZS output end Refutation
% 0.20/0.48  Formulae used in the proof : prove_this_1 prove_this_6 prove_this_7 prove_this_8 prove_this_9 prove_this_10 prove_this_11 prove_this_12 prove_this_13 prove_this_14 prove_this_15 prove_this_16 prove_this_17 prove_this_18 prove_this_19 prove_this_20 prove_this_21 prove_this_22 prove_this_23 prove_this_24 prove_this_25 left_identity left_inverse associativity
% 0.20/0.48  
%------------------------------------------------------------------------------