TSTP Solution File: GRP352-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP352-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n008.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 11:46:59 EDT 2022

% Result   : Unsatisfiable 0.20s 0.46s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP352-1 : TPTP v8.1.0. Released v2.5.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n008.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Tue Jun 14 01:06:52 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.20/0.46  
% 0.20/0.46  SPASS V 3.9 
% 0.20/0.46  SPASS beiseite: Proof found.
% 0.20/0.46  % SZS status Theorem
% 0.20/0.46  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.20/0.46  SPASS derived 794 clauses, backtracked 309 clauses, performed 11 splits and kept 660 clauses.
% 0.20/0.46  SPASS allocated 63577 KBytes.
% 0.20/0.46  SPASS spent	0:00:00.12 on the problem.
% 0.20/0.46  		0:00:00.03 for the input.
% 0.20/0.46  		0:00:00.00 for the FLOTTER CNF translation.
% 0.20/0.46  		0:00:00.01 for inferences.
% 0.20/0.46  		0:00:00.00 for the backtracking.
% 0.20/0.46  		0:00:00.06 for the reduction.
% 0.20/0.46  
% 0.20/0.46  
% 0.20/0.46  Here is a proof with depth 4, length 339 :
% 0.20/0.46  % SZS output start Refutation
% 0.20/0.46  1[0:Inp] ||  -> equal(multiply(sk_c6,sk_c7),sk_c5)** equal(multiply(sk_c6,sk_c5),sk_c7).
% 0.20/0.46  2[0:Inp] ||  -> equal(inverse(sk_c3),sk_c7) equal(multiply(sk_c6,sk_c5),sk_c7)**.
% 0.20/0.46  3[0:Inp] ||  -> equal(multiply(sk_c3,sk_c6),sk_c7)** equal(multiply(sk_c6,sk_c5),sk_c7).
% 0.20/0.46  4[0:Inp] ||  -> equal(multiply(sk_c4,sk_c6),sk_c7)** equal(multiply(sk_c6,sk_c5),sk_c7).
% 0.20/0.46  5[0:Inp] ||  -> equal(inverse(sk_c4),sk_c6) equal(multiply(sk_c6,sk_c5),sk_c7)**.
% 0.20/0.46  6[0:Inp] ||  -> equal(multiply(sk_c6,sk_c7),sk_c5) equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  7[0:Inp] ||  -> equal(inverse(sk_c3),sk_c7) equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  8[0:Inp] ||  -> equal(multiply(sk_c3,sk_c6),sk_c7) equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  9[0:Inp] ||  -> equal(multiply(sk_c4,sk_c6),sk_c7) equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  10[0:Inp] ||  -> equal(inverse(sk_c4),sk_c6) equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  11[0:Inp] ||  -> equal(inverse(sk_c1),sk_c7) equal(multiply(sk_c6,sk_c7),sk_c5)**.
% 0.20/0.46  12[0:Inp] ||  -> equal(inverse(sk_c3),sk_c7) equal(inverse(sk_c1),sk_c7)**.
% 0.20/0.46  13[0:Inp] ||  -> equal(inverse(sk_c1),sk_c7) equal(multiply(sk_c3,sk_c6),sk_c7)**.
% 0.20/0.46  14[0:Inp] ||  -> equal(inverse(sk_c1),sk_c7) equal(multiply(sk_c4,sk_c6),sk_c7)**.
% 0.20/0.46  15[0:Inp] ||  -> equal(inverse(sk_c4),sk_c6) equal(inverse(sk_c1),sk_c7)**.
% 0.20/0.46  16[0:Inp] ||  -> equal(multiply(sk_c6,sk_c7),sk_c5) equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  17[0:Inp] ||  -> equal(inverse(sk_c3),sk_c7) equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  18[0:Inp] ||  -> equal(multiply(sk_c3,sk_c6),sk_c7) equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  19[0:Inp] ||  -> equal(multiply(sk_c4,sk_c6),sk_c7) equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  20[0:Inp] ||  -> equal(inverse(sk_c4),sk_c6) equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  21[0:Inp] ||  -> equal(inverse(sk_c2),sk_c6) equal(multiply(sk_c6,sk_c7),sk_c5)**.
% 0.20/0.46  22[0:Inp] ||  -> equal(inverse(sk_c3),sk_c7) equal(inverse(sk_c2),sk_c6)**.
% 0.20/0.46  23[0:Inp] ||  -> equal(inverse(sk_c2),sk_c6) equal(multiply(sk_c3,sk_c6),sk_c7)**.
% 0.20/0.46  24[0:Inp] ||  -> equal(inverse(sk_c2),sk_c6) equal(multiply(sk_c4,sk_c6),sk_c7)**.
% 0.20/0.46  25[0:Inp] ||  -> equal(inverse(sk_c4),sk_c6) equal(inverse(sk_c2),sk_c6)**.
% 0.20/0.46  26[0:Inp] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c7) equal(inverse(w),sk_c6) equal(inverse(x),sk_c7) equal(multiply(u,sk_c6),sk_c7)**+ equal(multiply(v,sk_c6),sk_c7)** equal(multiply(w,sk_c6),sk_c5)** equal(multiply(x,sk_c7),sk_c6)** equal(multiply(sk_c6,sk_c7),sk_c5)** equal(multiply(sk_c6,sk_c5),sk_c7) -> .
% 0.20/0.46  27[0:Inp] ||  -> equal(multiply(identity,u),u)**.
% 0.20/0.46  28[0:Inp] ||  -> equal(multiply(inverse(u),u),identity)**.
% 0.20/0.46  29[0:Inp] ||  -> equal(multiply(multiply(u,v),w),multiply(u,multiply(v,w)))**.
% 0.20/0.46  30[1:Spt:26.1,26.5] || equal(inverse(u),sk_c7) equal(multiply(u,sk_c6),sk_c7)** -> .
% 0.20/0.46  31[2:Spt:1.0] ||  -> equal(multiply(sk_c6,sk_c7),sk_c5)**.
% 0.20/0.46  33[3:Spt:5.0] ||  -> equal(inverse(sk_c4),sk_c6)**.
% 0.20/0.46  35[4:Spt:2.0] ||  -> equal(inverse(sk_c3),sk_c7)**.
% 0.20/0.46  38[1:SpL:27.0,30.1] || equal(inverse(identity),sk_c7)** equal(sk_c7,sk_c6) -> .
% 0.20/0.46  39[5:Spt:4.0] ||  -> equal(multiply(sk_c4,sk_c6),sk_c7)**.
% 0.20/0.46  41[5:SpL:39.0,30.1] || equal(inverse(sk_c4),sk_c7)** equal(sk_c7,sk_c7) -> .
% 0.20/0.46  42[5:Obv:41.1] || equal(inverse(sk_c4),sk_c7)** -> .
% 0.20/0.46  43[5:Rew:33.0,42.0] || equal(sk_c7,sk_c6)** -> .
% 0.20/0.46  44[6:Spt:3.0] ||  -> equal(multiply(sk_c3,sk_c6),sk_c7)**.
% 0.20/0.46  46[6:SpL:44.0,30.1] || equal(inverse(sk_c3),sk_c7)** equal(sk_c7,sk_c7) -> .
% 0.20/0.46  47[6:Obv:46.1] || equal(inverse(sk_c3),sk_c7)** -> .
% 0.20/0.46  48[6:Rew:35.0,47.0] || equal(sk_c7,sk_c7)* -> .
% 0.20/0.46  49[6:Obv:48.0] ||  -> .
% 0.20/0.46  50[6:Spt:49.0,3.0,44.0] || equal(multiply(sk_c3,sk_c6),sk_c7)** -> .
% 0.20/0.46  51[6:Spt:49.0,3.1] ||  -> equal(multiply(sk_c6,sk_c5),sk_c7)**.
% 0.20/0.46  52[6:MRR:23.1,50.0] ||  -> equal(inverse(sk_c2),sk_c6)**.
% 0.20/0.46  54[6:MRR:18.0,50.0] ||  -> equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  64[3:SpR:33.0,28.0] ||  -> equal(multiply(sk_c6,sk_c4),identity)**.
% 0.20/0.46  65[4:SpR:35.0,28.0] ||  -> equal(multiply(sk_c7,sk_c3),identity)**.
% 0.20/0.46  66[6:SpR:52.0,28.0] ||  -> equal(multiply(sk_c6,sk_c2),identity)**.
% 0.20/0.46  68[1:SpL:28.0,30.1] || equal(inverse(inverse(sk_c6)),sk_c7)** equal(sk_c7,identity) -> .
% 0.20/0.46  73[6:SpR:54.0,29.0] ||  -> equal(multiply(sk_c2,multiply(sk_c6,u)),multiply(sk_c5,u))**.
% 0.20/0.46  76[3:SpR:64.0,29.0] ||  -> equal(multiply(sk_c6,multiply(sk_c4,u)),multiply(identity,u))**.
% 0.20/0.46  78[0:SpR:28.0,29.0] ||  -> equal(multiply(inverse(u),multiply(u,v)),multiply(identity,v))**.
% 0.20/0.46  81[3:Rew:27.0,76.0] ||  -> equal(multiply(sk_c6,multiply(sk_c4,u)),u)**.
% 0.20/0.46  82[0:Rew:27.0,78.0] ||  -> equal(multiply(inverse(u),multiply(u,v)),v)**.
% 0.20/0.46  95[5:SpR:39.0,81.0] ||  -> equal(multiply(sk_c6,sk_c7),sk_c6)**.
% 0.20/0.46  96[5:Rew:31.0,95.0] ||  -> equal(sk_c5,sk_c6)**.
% 0.20/0.46  97[5:Rew:96.0,31.0] ||  -> equal(multiply(sk_c6,sk_c7),sk_c6)**.
% 0.20/0.46  98[6:Rew:96.0,51.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c7)**.
% 0.20/0.46  100[6:Rew:96.0,73.0] ||  -> equal(multiply(sk_c2,multiply(sk_c6,u)),multiply(sk_c6,u))**.
% 0.20/0.46  115[0:SpR:82.0,82.0] ||  -> equal(multiply(inverse(inverse(u)),v),multiply(u,v))**.
% 0.20/0.46  119[3:SpR:64.0,82.0] ||  -> equal(multiply(inverse(sk_c6),identity),sk_c4)**.
% 0.20/0.46  120[6:SpR:66.0,82.0] ||  -> equal(multiply(inverse(sk_c6),identity),sk_c2)**.
% 0.20/0.46  122[5:SpR:97.0,82.0] ||  -> equal(multiply(inverse(sk_c6),sk_c6),sk_c7)**.
% 0.20/0.46  123[6:SpR:98.0,82.0] ||  -> equal(multiply(inverse(sk_c6),sk_c7),sk_c6)**.
% 0.20/0.46  125[0:SpR:28.0,82.0] ||  -> equal(multiply(inverse(inverse(u)),identity),u)**.
% 0.20/0.46  128[4:SpR:65.0,82.0] ||  -> equal(multiply(inverse(sk_c7),identity),sk_c3)**.
% 0.20/0.46  130[3:SpR:33.0,82.0] ||  -> equal(multiply(sk_c6,multiply(sk_c4,u)),u)**.
% 0.20/0.46  137[6:Rew:119.0,120.0] ||  -> equal(sk_c2,sk_c4)**.
% 0.20/0.46  142[6:Rew:137.0,100.0] ||  -> equal(multiply(sk_c4,multiply(sk_c6,u)),multiply(sk_c6,u))**.
% 0.20/0.46  145[5:Rew:28.0,122.0] ||  -> equal(sk_c7,identity)**.
% 0.20/0.46  149[5:Rew:145.0,43.0] || equal(identity,sk_c6)** -> .
% 0.20/0.46  153[5:Rew:145.0,65.0] ||  -> equal(multiply(identity,sk_c3),identity)**.
% 0.20/0.46  156[6:Rew:145.0,98.0] ||  -> equal(multiply(sk_c6,sk_c6),identity)**.
% 0.20/0.46  166[5:Rew:27.0,153.0] ||  -> equal(identity,sk_c3)**.
% 0.20/0.46  170[5:Rew:166.0,119.0] ||  -> equal(multiply(inverse(sk_c6),sk_c3),sk_c4)**.
% 0.20/0.46  171[5:Rew:166.0,145.0] ||  -> equal(sk_c7,sk_c3)**.
% 0.20/0.46  173[5:Rew:166.0,149.0] || equal(sk_c3,sk_c6)** -> .
% 0.20/0.46  179[6:Rew:166.0,156.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c3)**.
% 0.20/0.46  185[6:Rew:171.0,123.0] ||  -> equal(multiply(inverse(sk_c6),sk_c3),sk_c6)**.
% 0.20/0.46  192[6:Rew:185.0,170.0] ||  -> equal(sk_c4,sk_c6)**.
% 0.20/0.46  201[6:Rew:192.0,130.0] ||  -> equal(multiply(sk_c6,multiply(sk_c6,u)),u)**.
% 0.20/0.46  210[6:Rew:201.0,142.0,192.0,142.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.20/0.46  212[6:Rew:210.0,179.0] ||  -> equal(sk_c3,sk_c6)**.
% 0.20/0.46  213[6:MRR:212.0,173.0] ||  -> .
% 0.20/0.46  223[5:Spt:213.0,4.0,39.0] || equal(multiply(sk_c4,sk_c6),sk_c7)** -> .
% 0.20/0.46  224[5:Spt:213.0,4.1] ||  -> equal(multiply(sk_c6,sk_c5),sk_c7)**.
% 0.20/0.46  225[0:Rew:115.0,125.0] ||  -> equal(multiply(u,identity),u)**.
% 0.20/0.46  226[4:Rew:225.0,128.0] ||  -> equal(inverse(sk_c7),sk_c3)**.
% 0.20/0.46  227[3:Rew:225.0,119.0] ||  -> equal(inverse(sk_c6),sk_c4)**.
% 0.20/0.46  229[5:MRR:24.1,223.0] ||  -> equal(inverse(sk_c2),sk_c6)**.
% 0.20/0.46  230[5:MRR:14.1,223.0] ||  -> equal(inverse(sk_c1),sk_c7)**.
% 0.20/0.46  231[5:MRR:19.0,223.0] ||  -> equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  232[5:MRR:9.0,223.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  235[5:SpR:224.0,82.0] ||  -> equal(multiply(inverse(sk_c6),sk_c7),sk_c5)**.
% 0.20/0.46  237[5:Rew:227.0,235.0] ||  -> equal(multiply(sk_c4,sk_c7),sk_c5)**.
% 0.20/0.46  244[3:SpR:227.0,82.0] ||  -> equal(multiply(sk_c4,multiply(sk_c6,u)),u)**.
% 0.20/0.46  251[2:SpR:31.0,82.0] ||  -> equal(multiply(inverse(sk_c6),sk_c5),sk_c7)**.
% 0.20/0.46  253[3:Rew:227.0,251.0] ||  -> equal(multiply(sk_c4,sk_c5),sk_c7)**.
% 0.20/0.46  265[5:SpR:231.0,82.0] ||  -> equal(multiply(inverse(sk_c2),sk_c5),sk_c6)**.
% 0.20/0.46  267[5:Rew:224.0,265.0,229.0,265.0] ||  -> equal(sk_c7,sk_c6)**.
% 0.20/0.46  270[5:Rew:267.0,226.0] ||  -> equal(inverse(sk_c6),sk_c3)**.
% 0.20/0.46  271[5:Rew:267.0,230.0] ||  -> equal(inverse(sk_c1),sk_c6)**.
% 0.20/0.46  272[5:Rew:267.0,31.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c5)**.
% 0.20/0.46  274[5:Rew:267.0,223.0] || equal(multiply(sk_c4,sk_c6),sk_c6)** -> .
% 0.20/0.46  281[5:Rew:267.0,232.0] ||  -> equal(multiply(sk_c1,sk_c6),sk_c6)**.
% 0.20/0.46  284[5:Rew:267.0,237.0] ||  -> equal(multiply(sk_c4,sk_c6),sk_c5)**.
% 0.20/0.46  287[5:Rew:227.0,270.0] ||  -> equal(sk_c4,sk_c3)**.
% 0.20/0.46  293[5:Rew:287.0,284.0] ||  -> equal(multiply(sk_c3,sk_c6),sk_c5)**.
% 0.20/0.46  295[5:Rew:293.0,274.0,287.0,274.0] || equal(sk_c5,sk_c6)** -> .
% 0.20/0.46  319[5:SpR:281.0,82.0] ||  -> equal(multiply(inverse(sk_c1),sk_c6),sk_c6)**.
% 0.20/0.46  321[5:Rew:272.0,319.0,271.0,319.0] ||  -> equal(sk_c5,sk_c6)**.
% 0.20/0.46  322[5:MRR:321.0,295.0] ||  -> .
% 0.20/0.46  323[4:Spt:322.0,2.0,35.0] || equal(inverse(sk_c3),sk_c7)** -> .
% 0.20/0.46  324[4:Spt:322.0,2.1] ||  -> equal(multiply(sk_c6,sk_c5),sk_c7)**.
% 0.20/0.46  325[4:MRR:22.0,323.0] ||  -> equal(inverse(sk_c2),sk_c6)**.
% 0.20/0.46  326[4:MRR:12.0,323.0] ||  -> equal(inverse(sk_c1),sk_c7)**.
% 0.20/0.46  327[4:MRR:17.0,323.0] ||  -> equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  328[4:MRR:7.0,323.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  345[3:SpR:253.0,29.0] ||  -> equal(multiply(sk_c4,multiply(sk_c5,u)),multiply(sk_c7,u))**.
% 0.20/0.46  355[4:SpR:327.0,82.0] ||  -> equal(multiply(inverse(sk_c2),sk_c5),sk_c6)**.
% 0.20/0.46  357[4:Rew:324.0,355.0,325.0,355.0] ||  -> equal(sk_c7,sk_c6)**.
% 0.20/0.46  359[4:Rew:357.0,326.0] ||  -> equal(inverse(sk_c1),sk_c6)**.
% 0.20/0.46  361[4:Rew:357.0,31.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c5)**.
% 0.20/0.46  363[4:Rew:357.0,38.1] || equal(inverse(identity),sk_c7)** equal(sk_c6,sk_c6) -> .
% 0.20/0.46  367[4:Rew:357.0,345.0] ||  -> equal(multiply(sk_c4,multiply(sk_c5,u)),multiply(sk_c6,u))**.
% 0.20/0.46  368[4:Rew:357.0,328.0] ||  -> equal(multiply(sk_c1,sk_c6),sk_c6)**.
% 0.20/0.46  375[4:Obv:363.1] || equal(inverse(identity),sk_c7)** -> .
% 0.20/0.46  376[4:Rew:357.0,375.0] || equal(inverse(identity),sk_c6)** -> .
% 0.20/0.46  387[4:SpR:368.0,82.0] ||  -> equal(multiply(inverse(sk_c1),sk_c6),sk_c6)**.
% 0.20/0.46  389[4:Rew:359.0,387.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c6)**.
% 0.20/0.46  390[4:Rew:361.0,389.0] ||  -> equal(sk_c5,sk_c6)**.
% 0.20/0.46  399[4:Rew:390.0,367.0] ||  -> equal(multiply(sk_c4,multiply(sk_c6,u)),multiply(sk_c6,u))**.
% 0.20/0.46  400[4:Rew:244.0,399.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.20/0.46  401[4:Rew:400.0,64.0] ||  -> equal(identity,sk_c4)**.
% 0.20/0.46  412[4:Rew:401.0,376.0] || equal(inverse(sk_c4),sk_c6)** -> .
% 0.20/0.46  414[4:Rew:33.0,412.0] || equal(sk_c6,sk_c6)* -> .
% 0.20/0.46  415[4:Obv:414.0] ||  -> .
% 0.20/0.46  417[3:Spt:415.0,5.0,33.0] || equal(inverse(sk_c4),sk_c6)** -> .
% 0.20/0.46  418[3:Spt:415.0,5.1] ||  -> equal(multiply(sk_c6,sk_c5),sk_c7)**.
% 0.20/0.46  419[3:MRR:25.0,417.0] ||  -> equal(inverse(sk_c2),sk_c6)**.
% 0.20/0.46  420[3:MRR:15.0,417.0] ||  -> equal(inverse(sk_c1),sk_c7)**.
% 0.20/0.46  421[3:MRR:20.0,417.0] ||  -> equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  422[3:MRR:10.0,417.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  424[3:SpR:418.0,82.0] ||  -> equal(multiply(inverse(sk_c6),sk_c7),sk_c5)**.
% 0.20/0.46  434[3:SpR:421.0,82.0] ||  -> equal(multiply(inverse(sk_c2),sk_c5),sk_c6)**.
% 0.20/0.46  436[3:Rew:418.0,434.0,419.0,434.0] ||  -> equal(sk_c7,sk_c6)**.
% 0.20/0.46  438[3:Rew:436.0,420.0] ||  -> equal(inverse(sk_c1),sk_c6)**.
% 0.20/0.46  439[3:Rew:436.0,31.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c5)**.
% 0.20/0.46  440[3:Rew:436.0,251.0] ||  -> equal(multiply(inverse(sk_c6),sk_c5),sk_c6)**.
% 0.20/0.46  444[3:Rew:436.0,422.0] ||  -> equal(multiply(sk_c1,sk_c6),sk_c6)**.
% 0.20/0.46  445[3:Rew:436.0,68.0] || equal(inverse(inverse(sk_c6)),sk_c6)** equal(sk_c7,identity) -> .
% 0.20/0.46  448[3:Rew:436.0,424.0] ||  -> equal(multiply(inverse(sk_c6),sk_c6),sk_c5)**.
% 0.20/0.46  450[3:Rew:28.0,448.0] ||  -> equal(identity,sk_c5)**.
% 0.20/0.46  451[3:Rew:450.0,225.0] ||  -> equal(multiply(u,sk_c5),u)**.
% 0.20/0.46  455[3:Rew:451.0,440.0] ||  -> equal(inverse(sk_c6),sk_c6)**.
% 0.20/0.46  461[3:Rew:436.0,445.1,450.0,445.1,455.0,445.0,455.0,445.0] || equal(sk_c6,sk_c6) equal(sk_c5,sk_c6)** -> .
% 0.20/0.46  462[3:Obv:461.0] || equal(sk_c5,sk_c6)** -> .
% 0.20/0.46  472[3:SpR:444.0,82.0] ||  -> equal(multiply(inverse(sk_c1),sk_c6),sk_c6)**.
% 0.20/0.46  474[3:Rew:438.0,472.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c6)**.
% 0.20/0.46  475[3:Rew:439.0,474.0] ||  -> equal(sk_c5,sk_c6)**.
% 0.20/0.46  476[3:MRR:475.0,462.0] ||  -> .
% 0.20/0.46  477[2:Spt:476.0,1.0,31.0] || equal(multiply(sk_c6,sk_c7),sk_c5)** -> .
% 0.20/0.46  478[2:Spt:476.0,1.1] ||  -> equal(multiply(sk_c6,sk_c5),sk_c7)**.
% 0.20/0.46  479[2:MRR:21.1,477.0] ||  -> equal(inverse(sk_c2),sk_c6)**.
% 0.20/0.46  480[2:MRR:11.1,477.0] ||  -> equal(inverse(sk_c1),sk_c7)**.
% 0.20/0.46  481[2:MRR:16.0,477.0] ||  -> equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  482[2:MRR:6.0,477.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  484[2:SpR:478.0,82.0] ||  -> equal(multiply(inverse(sk_c6),sk_c7),sk_c5)**.
% 0.20/0.46  491[2:SpR:481.0,82.0] ||  -> equal(multiply(inverse(sk_c2),sk_c5),sk_c6)**.
% 0.20/0.46  493[2:Rew:478.0,491.0,479.0,491.0] ||  -> equal(sk_c7,sk_c6)**.
% 0.20/0.46  495[2:Rew:493.0,480.0] ||  -> equal(inverse(sk_c1),sk_c6)**.
% 0.20/0.46  496[2:Rew:493.0,477.0] || equal(multiply(sk_c6,sk_c6),sk_c5)** -> .
% 0.20/0.46  499[2:Rew:493.0,482.0] ||  -> equal(multiply(sk_c1,sk_c6),sk_c6)**.
% 0.20/0.46  502[2:Rew:493.0,484.0] ||  -> equal(multiply(inverse(sk_c6),sk_c6),sk_c5)**.
% 0.20/0.46  505[2:Rew:28.0,502.0] ||  -> equal(identity,sk_c5)**.
% 0.20/0.46  508[2:Rew:505.0,28.0] ||  -> equal(multiply(inverse(u),u),sk_c5)**.
% 0.20/0.46  522[2:SpR:499.0,82.0] ||  -> equal(multiply(inverse(sk_c1),sk_c6),sk_c6)**.
% 0.20/0.46  524[2:Rew:495.0,522.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c6)**.
% 0.20/0.46  525[2:Rew:524.0,496.0] || equal(sk_c5,sk_c6)** -> .
% 0.20/0.46  530[2:SpR:524.0,82.0] ||  -> equal(multiply(inverse(sk_c6),sk_c6),sk_c6)**.
% 0.20/0.46  532[2:Rew:508.0,530.0] ||  -> equal(sk_c5,sk_c6)**.
% 0.20/0.46  533[2:MRR:532.0,525.0] ||  -> .
% 0.20/0.46  534[1:Spt:533.0,26.0,26.2,26.3,26.4,26.6,26.7,26.8,26.9] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(inverse(w),sk_c7) equal(multiply(u,sk_c6),sk_c7)**+ equal(multiply(v,sk_c6),sk_c5)** equal(multiply(w,sk_c7),sk_c6)** equal(multiply(sk_c6,sk_c7),sk_c5)** equal(multiply(sk_c6,sk_c5),sk_c7) -> .
% 0.20/0.46  536[2:Spt:1.0] ||  -> equal(multiply(sk_c6,sk_c7),sk_c5)**.
% 0.20/0.46  537[2:Rew:536.0,534.6] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(inverse(w),sk_c7) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c6),sk_c5)** equal(multiply(w,sk_c7),sk_c6)** equal(sk_c5,sk_c5) equal(multiply(sk_c6,sk_c5),sk_c7)** -> .
% 0.20/0.46  539[2:Obv:537.6] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(inverse(w),sk_c7) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c6),sk_c5)** equal(multiply(w,sk_c7),sk_c6)** equal(multiply(sk_c6,sk_c5),sk_c7)** -> .
% 0.20/0.46  542[2:SpR:536.0,82.0] ||  -> equal(multiply(inverse(sk_c6),sk_c5),sk_c7)**.
% 0.20/0.46  544[3:Spt:2.1] ||  -> equal(multiply(sk_c6,sk_c5),sk_c7)**.
% 0.20/0.46  546[3:Rew:544.0,539.6] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(inverse(w),sk_c7) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c6),sk_c5)** equal(multiply(w,sk_c7),sk_c6)** equal(sk_c7,sk_c7) -> .
% 0.20/0.46  547[3:Obv:546.6] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(inverse(w),sk_c7) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c6),sk_c5)** equal(multiply(w,sk_c7),sk_c6)** -> .
% 0.20/0.46  550[3:SpR:544.0,82.0] ||  -> equal(multiply(inverse(sk_c6),sk_c7),sk_c5)**.
% 0.20/0.46  552[4:Spt:25.0] ||  -> equal(inverse(sk_c4),sk_c6)**.
% 0.20/0.46  561[5:Spt:22.0] ||  -> equal(inverse(sk_c3),sk_c7)**.
% 0.20/0.46  562[5:SpR:561.0,82.0] ||  -> equal(multiply(sk_c7,multiply(sk_c3,u)),u)**.
% 0.20/0.46  564[6:Spt:24.1] ||  -> equal(multiply(sk_c4,sk_c6),sk_c7)**.
% 0.20/0.46  566[6:SpR:564.0,82.0] ||  -> equal(multiply(inverse(sk_c4),sk_c7),sk_c6)**.
% 0.20/0.46  568[6:Rew:536.0,566.0,552.0,566.0] ||  -> equal(sk_c5,sk_c6)**.
% 0.20/0.46  572[6:Rew:568.0,542.0] ||  -> equal(multiply(inverse(sk_c6),sk_c6),sk_c7)**.
% 0.20/0.46  575[6:Rew:568.0,547.4] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(inverse(w),sk_c7) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c6),sk_c6)** equal(multiply(w,sk_c7),sk_c6)** -> .
% 0.20/0.46  577[6:Rew:568.0,550.0] ||  -> equal(multiply(inverse(sk_c6),sk_c7),sk_c6)**.
% 0.20/0.46  578[6:Rew:28.0,572.0] ||  -> equal(sk_c7,identity)**.
% 0.20/0.46  581[6:Rew:578.0,13.0] ||  -> equal(inverse(sk_c1),identity) equal(multiply(sk_c3,sk_c6),sk_c7)**.
% 0.20/0.46  582[6:Rew:578.0,8.0] ||  -> equal(multiply(sk_c3,sk_c6),identity) equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  584[6:Rew:578.0,562.0] ||  -> equal(multiply(identity,multiply(sk_c3,u)),u)**.
% 0.20/0.46  587[6:Rew:578.0,577.0] ||  -> equal(multiply(inverse(sk_c6),identity),sk_c6)**.
% 0.20/0.46  588[6:Rew:225.0,587.0] ||  -> equal(inverse(sk_c6),sk_c6)**.
% 0.20/0.46  589[6:Rew:27.0,584.0] ||  -> equal(multiply(sk_c3,u),u)**.
% 0.20/0.46  593[6:Rew:589.0,581.1,578.0,581.1] ||  -> equal(inverse(sk_c1),identity)** equal(identity,sk_c6).
% 0.20/0.46  596[6:Rew:578.0,582.1,589.0,582.0] ||  -> equal(identity,sk_c6) equal(multiply(sk_c1,identity),sk_c6)**.
% 0.20/0.46  597[6:Rew:225.0,596.1] ||  -> equal(identity,sk_c6)** equal(sk_c1,sk_c6).
% 0.20/0.46  598[6:Rew:597.1,593.0] ||  -> equal(inverse(sk_c6),identity)** equal(identity,sk_c6).
% 0.20/0.46  599[6:Rew:588.0,598.0] ||  -> equal(identity,sk_c6)** equal(identity,sk_c6)**.
% 0.20/0.46  600[6:Obv:599.0] ||  -> equal(identity,sk_c6)**.
% 0.20/0.46  601[6:Rew:600.0,225.0] ||  -> equal(multiply(u,sk_c6),u)**.
% 0.20/0.46  605[6:Rew:600.0,578.0] ||  -> equal(sk_c7,sk_c6)**.
% 0.20/0.46  617[6:Rew:601.0,575.5,605.0,575.5,601.0,575.4,601.0,575.3,605.0,575.3,605.0,575.2] || equal(inverse(u),sk_c6)** equal(inverse(v),sk_c6)** equal(inverse(w),sk_c6)** equal(u,sk_c6) equal(v,sk_c6) equal(w,sk_c6) -> .
% 0.20/0.46  618[6:Con:617.1] || equal(inverse(u),sk_c6)** equal(u,sk_c6) -> .
% 0.20/0.46  668[6:SpL:588.0,618.0] || equal(sk_c6,sk_c6)* equal(sk_c6,sk_c6)* -> .
% 0.20/0.46  670[6:Obv:668.1] ||  -> .
% 0.20/0.46  671[6:Spt:670.0,24.1,564.0] || equal(multiply(sk_c4,sk_c6),sk_c7)** -> .
% 0.20/0.46  672[6:Spt:670.0,24.0] ||  -> equal(inverse(sk_c2),sk_c6)**.
% 0.20/0.46  673[6:MRR:14.1,671.0] ||  -> equal(inverse(sk_c1),sk_c7)**.
% 0.20/0.46  674[6:MRR:19.0,671.0] ||  -> equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  675[6:MRR:9.0,671.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  688[6:SpR:674.0,82.0] ||  -> equal(multiply(inverse(sk_c2),sk_c5),sk_c6)**.
% 0.20/0.46  690[6:Rew:544.0,688.0,672.0,688.0] ||  -> equal(sk_c7,sk_c6)**.
% 0.20/0.46  692[6:Rew:690.0,673.0] ||  -> equal(inverse(sk_c1),sk_c6)**.
% 0.20/0.46  694[6:Rew:690.0,536.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c5)**.
% 0.20/0.46  695[6:Rew:690.0,550.0] ||  -> equal(multiply(inverse(sk_c6),sk_c6),sk_c5)**.
% 0.20/0.46  697[6:Rew:690.0,671.0] || equal(multiply(sk_c4,sk_c6),sk_c6)** -> .
% 0.20/0.46  701[6:Rew:690.0,675.0] ||  -> equal(multiply(sk_c1,sk_c6),sk_c6)**.
% 0.20/0.46  705[6:Rew:28.0,695.0] ||  -> equal(identity,sk_c5)**.
% 0.20/0.46  706[6:Rew:705.0,225.0] ||  -> equal(multiply(u,sk_c5),u)**.
% 0.20/0.46  707[6:Rew:705.0,27.0] ||  -> equal(multiply(sk_c5,u),u)**.
% 0.20/0.46  708[6:Rew:705.0,28.0] ||  -> equal(multiply(inverse(u),u),sk_c5)**.
% 0.20/0.46  724[6:SpR:701.0,82.0] ||  -> equal(multiply(inverse(sk_c1),sk_c6),sk_c6)**.
% 0.20/0.46  726[6:Rew:692.0,724.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c6)**.
% 0.20/0.46  727[6:Rew:694.0,726.0] ||  -> equal(sk_c5,sk_c6)**.
% 0.20/0.46  731[6:Rew:727.0,706.0] ||  -> equal(multiply(u,sk_c6),u)**.
% 0.20/0.46  732[6:Rew:727.0,707.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.20/0.46  733[6:Rew:727.0,708.0] ||  -> equal(multiply(inverse(u),u),sk_c6)**.
% 0.20/0.46  738[6:Rew:731.0,697.0] || equal(sk_c4,sk_c6)** -> .
% 0.20/0.46  785[6:SpR:552.0,733.0] ||  -> equal(multiply(sk_c6,sk_c4),sk_c6)**.
% 0.20/0.46  787[6:Rew:732.0,785.0] ||  -> equal(sk_c4,sk_c6)**.
% 0.20/0.46  788[6:MRR:787.0,738.0] ||  -> .
% 0.20/0.46  792[5:Spt:788.0,22.0,561.0] || equal(inverse(sk_c3),sk_c7)** -> .
% 0.20/0.46  793[5:Spt:788.0,22.1] ||  -> equal(inverse(sk_c2),sk_c6)**.
% 0.20/0.46  794[5:MRR:12.0,792.0] ||  -> equal(inverse(sk_c1),sk_c7)**.
% 0.20/0.46  795[5:MRR:17.0,792.0] ||  -> equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  796[5:MRR:7.0,792.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  808[5:SpR:795.0,82.0] ||  -> equal(multiply(inverse(sk_c2),sk_c5),sk_c6)**.
% 0.20/0.46  810[5:Rew:544.0,808.0,793.0,808.0] ||  -> equal(sk_c7,sk_c6)**.
% 0.20/0.46  811[5:Rew:810.0,794.0] ||  -> equal(inverse(sk_c1),sk_c6)**.
% 0.20/0.46  813[5:Rew:810.0,536.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c5)**.
% 0.20/0.46  815[5:Rew:810.0,542.0] ||  -> equal(multiply(inverse(sk_c6),sk_c5),sk_c6)**.
% 0.20/0.46  816[5:Rew:810.0,550.0] ||  -> equal(multiply(inverse(sk_c6),sk_c6),sk_c5)**.
% 0.20/0.46  819[5:Rew:810.0,796.0] ||  -> equal(multiply(sk_c1,sk_c6),sk_c6)**.
% 0.20/0.46  820[5:Rew:810.0,547.2] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(inverse(w),sk_c6) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c6),sk_c5)** equal(multiply(w,sk_c7),sk_c6)** -> .
% 0.20/0.46  823[5:Rew:28.0,816.0] ||  -> equal(identity,sk_c5)**.
% 0.20/0.46  825[5:Rew:823.0,225.0] ||  -> equal(multiply(u,sk_c5),u)**.
% 0.20/0.46  828[5:Rew:825.0,815.0] ||  -> equal(inverse(sk_c6),sk_c6)**.
% 0.20/0.46  832[5:Rew:810.0,820.5,810.0,820.3] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(inverse(w),sk_c6) equal(multiply(u,sk_c6),sk_c6)** equal(multiply(v,sk_c6),sk_c5)** equal(multiply(w,sk_c6),sk_c6)** -> .
% 0.20/0.46  833[5:Con:832.2] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(multiply(u,sk_c6),sk_c6)** equal(multiply(v,sk_c6),sk_c5)** -> .
% 0.20/0.46  847[5:SpR:819.0,82.0] ||  -> equal(multiply(inverse(sk_c1),sk_c6),sk_c6)**.
% 0.20/0.46  849[5:Rew:813.0,847.0,811.0,847.0] ||  -> equal(sk_c5,sk_c6)**.
% 0.20/0.46  854[5:Rew:849.0,825.0] ||  -> equal(multiply(u,sk_c6),u)**.
% 0.20/0.46  857[5:Rew:849.0,833.3] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(multiply(u,sk_c6),sk_c6)** equal(multiply(v,sk_c6),sk_c6)** -> .
% 0.20/0.46  872[5:Con:857.1] || equal(inverse(u),sk_c6) equal(multiply(u,sk_c6),sk_c6)** -> .
% 0.20/0.46  873[5:Rew:854.0,872.1] || equal(inverse(u),sk_c6)** equal(u,sk_c6) -> .
% 0.20/0.46  937[5:SpL:828.0,873.0] || equal(sk_c6,sk_c6)* equal(sk_c6,sk_c6)* -> .
% 0.20/0.46  939[5:Obv:937.1] ||  -> .
% 0.20/0.46  940[4:Spt:939.0,25.0,552.0] || equal(inverse(sk_c4),sk_c6)** -> .
% 0.20/0.46  941[4:Spt:939.0,25.1] ||  -> equal(inverse(sk_c2),sk_c6)**.
% 0.20/0.46  942[4:MRR:15.0,940.0] ||  -> equal(inverse(sk_c1),sk_c7)**.
% 0.20/0.46  943[4:MRR:20.0,940.0] ||  -> equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.46  944[4:MRR:10.0,940.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.46  956[4:SpR:943.0,82.0] ||  -> equal(multiply(inverse(sk_c2),sk_c5),sk_c6)**.
% 0.20/0.46  958[4:Rew:544.0,956.0,941.0,956.0] ||  -> equal(sk_c7,sk_c6)**.
% 0.20/0.46  959[4:Rew:958.0,942.0] ||  -> equal(inverse(sk_c1),sk_c6)**.
% 0.20/0.46  960[4:Rew:958.0,536.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c5)**.
% 0.20/0.46  962[4:Rew:958.0,550.0] ||  -> equal(multiply(inverse(sk_c6),sk_c6),sk_c5)**.
% 0.20/0.46  963[4:Rew:958.0,542.0] ||  -> equal(multiply(inverse(sk_c6),sk_c5),sk_c6)**.
% 0.20/0.46  966[4:Rew:958.0,944.0] ||  -> equal(multiply(sk_c1,sk_c6),sk_c6)**.
% 0.20/0.46  967[4:Rew:958.0,547.2] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(inverse(w),sk_c6) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c6),sk_c5)** equal(multiply(w,sk_c7),sk_c6)** -> .
% 0.20/0.46  970[4:Rew:28.0,962.0] ||  -> equal(identity,sk_c5)**.
% 0.20/0.46  971[4:Rew:970.0,225.0] ||  -> equal(multiply(u,sk_c5),u)**.
% 0.20/0.46  975[4:Rew:971.0,963.0] ||  -> equal(inverse(sk_c6),sk_c6)**.
% 0.20/0.46  979[4:Rew:958.0,967.5,958.0,967.3] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(inverse(w),sk_c6) equal(multiply(u,sk_c6),sk_c6)** equal(multiply(v,sk_c6),sk_c5)** equal(multiply(w,sk_c6),sk_c6)** -> .
% 0.20/0.46  980[4:Con:979.2] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(multiply(u,sk_c6),sk_c6)** equal(multiply(v,sk_c6),sk_c5)** -> .
% 0.20/0.46  989[4:SpR:966.0,82.0] ||  -> equal(multiply(inverse(sk_c1),sk_c6),sk_c6)**.
% 0.20/0.46  991[4:Rew:959.0,989.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c6)**.
% 0.20/0.46  992[4:Rew:960.0,991.0] ||  -> equal(sk_c5,sk_c6)**.
% 0.20/0.46  996[4:Rew:992.0,971.0] ||  -> equal(multiply(u,sk_c6),u)**.
% 0.20/0.46  1000[4:Rew:992.0,980.3] || equal(inverse(u),sk_c6) equal(inverse(v),sk_c6) equal(multiply(u,sk_c6),sk_c6)** equal(multiply(v,sk_c6),sk_c6)** -> .
% 0.20/0.46  1014[4:Con:1000.1] || equal(inverse(u),sk_c6) equal(multiply(u,sk_c6),sk_c6)** -> .
% 0.20/0.46  1015[4:Rew:996.0,1014.1] || equal(inverse(u),sk_c6)** equal(u,sk_c6) -> .
% 0.20/0.46  1052[4:SpL:975.0,1015.0] || equal(sk_c6,sk_c6)* equal(sk_c6,sk_c6)* -> .
% 0.20/0.46  1054[4:Obv:1052.1] ||  -> .
% 0.20/0.46  1055[3:Spt:1054.0,2.1,544.0] || equal(multiply(sk_c6,sk_c5),sk_c7)** -> .
% 0.20/0.46  1056[3:Spt:1054.0,2.0] ||  -> equal(inverse(sk_c3),sk_c7)**.
% 0.20/0.46  1057[3:MRR:5.1,1055.0] ||  -> equal(inverse(sk_c4),sk_c6)**.
% 0.20/0.46  1058[3:MRR:3.1,1055.0] ||  -> equal(multiply(sk_c3,sk_c6),sk_c7)**.
% 0.20/0.46  1059[3:MRR:4.1,1055.0] ||  -> equal(multiply(sk_c4,sk_c6),sk_c7)**.
% 0.20/0.46  1068[3:SpR:1058.0,82.0] ||  -> equal(multiply(inverse(sk_c3),sk_c7),sk_c6)**.
% 0.20/0.46  1070[3:Rew:1056.0,1068.0] ||  -> equal(multiply(sk_c7,sk_c7),sk_c6)**.
% 0.20/0.46  1072[3:SpR:1059.0,82.0] ||  -> equal(multiply(inverse(sk_c4),sk_c7),sk_c6)**.
% 0.20/0.46  1074[3:Rew:536.0,1072.0,1057.0,1072.0] ||  -> equal(sk_c5,sk_c6)**.
% 0.20/0.46  1076[3:Rew:1074.0,542.0] ||  -> equal(multiply(inverse(sk_c6),sk_c6),sk_c7)**.
% 0.20/0.46  1077[3:Rew:1074.0,1055.0] || equal(multiply(sk_c6,sk_c6),sk_c7)** -> .
% 0.20/0.46  1079[3:Rew:28.0,1076.0] ||  -> equal(sk_c7,identity)**.
% 0.20/0.46  1085[3:Rew:1079.0,1070.0] ||  -> equal(multiply(identity,identity),sk_c6)**.
% 0.20/0.46  1087[3:Rew:27.0,1085.0] ||  -> equal(identity,sk_c6)**.
% 0.20/0.46  1088[3:Rew:1087.0,27.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.20/0.46  1092[3:Rew:1087.0,1079.0] ||  -> equal(sk_c7,sk_c6)**.
% 0.20/0.46  1103[3:Rew:1088.0,1077.0,1092.0,1077.0] || equal(sk_c6,sk_c6)* -> .
% 0.20/0.46  1104[3:Obv:1103.0] ||  -> .
% 0.20/0.46  1110[2:Spt:1104.0,1.0,536.0] || equal(multiply(sk_c6,sk_c7),sk_c5)** -> .
% 0.20/0.46  1111[2:Spt:1104.0,1.1] ||  -> equal(multiply(sk_c6,sk_c5),sk_c7)**.
% 0.20/0.46  1112[2:MRR:21.1,1110.0] ||  -> equal(inverse(sk_c2),sk_c6)**.
% 0.20/0.46  1113[2:MRR:11.1,1110.0] ||  -> equal(inverse(sk_c1),sk_c7)**.
% 0.20/0.46  1114[2:MRR:16.0,1110.0] ||  -> equal(multiply(sk_c2,sk_c6),sk_c5)**.
% 0.20/0.47  1115[2:MRR:6.0,1110.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c6)**.
% 0.20/0.47  1117[2:SpR:1111.0,82.0] ||  -> equal(multiply(inverse(sk_c6),sk_c7),sk_c5)**.
% 0.20/0.47  1124[2:SpR:1114.0,82.0] ||  -> equal(multiply(inverse(sk_c2),sk_c5),sk_c6)**.
% 0.20/0.47  1126[2:Rew:1111.0,1124.0,1112.0,1124.0] ||  -> equal(sk_c7,sk_c6)**.
% 0.20/0.47  1128[2:Rew:1126.0,1113.0] ||  -> equal(inverse(sk_c1),sk_c6)**.
% 0.20/0.47  1129[2:Rew:1126.0,1110.0] || equal(multiply(sk_c6,sk_c6),sk_c5)** -> .
% 0.20/0.47  1130[2:Rew:1126.0,1115.0] ||  -> equal(multiply(sk_c1,sk_c6),sk_c6)**.
% 0.20/0.47  1131[2:Rew:1126.0,1117.0] ||  -> equal(multiply(inverse(sk_c6),sk_c6),sk_c5)**.
% 0.20/0.47  1134[2:Rew:28.0,1131.0] ||  -> equal(identity,sk_c5)**.
% 0.20/0.47  1137[2:Rew:1134.0,28.0] ||  -> equal(multiply(inverse(u),u),sk_c5)**.
% 0.20/0.47  1146[2:SpR:1130.0,82.0] ||  -> equal(multiply(inverse(sk_c1),sk_c6),sk_c6)**.
% 0.20/0.47  1148[2:Rew:1128.0,1146.0] ||  -> equal(multiply(sk_c6,sk_c6),sk_c6)**.
% 0.20/0.47  1149[2:Rew:1148.0,1129.0] || equal(sk_c5,sk_c6)** -> .
% 0.20/0.47  1151[2:SpR:1148.0,82.0] ||  -> equal(multiply(inverse(sk_c6),sk_c6),sk_c6)**.
% 0.20/0.47  1153[2:Rew:1137.0,1151.0] ||  -> equal(sk_c5,sk_c6)**.
% 0.20/0.47  1154[2:MRR:1153.0,1149.0] ||  -> .
% 0.20/0.47  % SZS output end Refutation
% 0.20/0.47  Formulae used in the proof : prove_this_1 prove_this_2 prove_this_3 prove_this_4 prove_this_5 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 prove_this_26 left_identity left_inverse associativity
% 0.20/0.47  
%------------------------------------------------------------------------------