TSTP Solution File: GRP383-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP383-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n006.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 11:47:07 EDT 2022

% Result   : Unsatisfiable 0.18s 0.47s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : GRP383-1 : TPTP v8.1.0. Released v2.5.0.
% 0.00/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n006.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 : Mon Jun 13 22:53:56 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.47  
% 0.18/0.47  SPASS V 3.9 
% 0.18/0.47  SPASS beiseite: Proof found.
% 0.18/0.47  % SZS status Theorem
% 0.18/0.47  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.18/0.47  SPASS derived 825 clauses, backtracked 414 clauses, performed 11 splits and kept 759 clauses.
% 0.18/0.47  SPASS allocated 63695 KBytes.
% 0.18/0.47  SPASS spent	0:00:00.14 on the problem.
% 0.18/0.47  		0:00:00.03 for the input.
% 0.18/0.47  		0:00:00.00 for the FLOTTER CNF translation.
% 0.18/0.47  		0:00:00.01 for inferences.
% 0.18/0.47  		0:00:00.00 for the backtracking.
% 0.18/0.47  		0:00:00.07 for the reduction.
% 0.18/0.47  
% 0.18/0.47  
% 0.18/0.47  Here is a proof with depth 5, length 321 :
% 0.18/0.47  % SZS output start Refutation
% 0.18/0.47  1[0:Inp] ||  -> equal(inverse(sk_c8),sk_c7) equal(multiply(sk_c7,sk_c8),sk_c6)**.
% 0.18/0.47  2[0:Inp] ||  -> equal(inverse(sk_c4),sk_c8)** equal(inverse(sk_c8),sk_c7).
% 0.18/0.47  3[0:Inp] ||  -> equal(inverse(sk_c8),sk_c7) equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.18/0.47  4[0:Inp] ||  -> equal(inverse(sk_c5),sk_c7)** equal(inverse(sk_c8),sk_c7).
% 0.18/0.47  5[0:Inp] ||  -> equal(inverse(sk_c8),sk_c7) equal(multiply(sk_c5,sk_c6),sk_c7)**.
% 0.18/0.47  6[0:Inp] ||  -> equal(multiply(sk_c7,sk_c8),sk_c6) equal(multiply(sk_c7,sk_c6),sk_c8)**.
% 0.18/0.47  7[0:Inp] ||  -> equal(inverse(sk_c4),sk_c8) equal(multiply(sk_c7,sk_c6),sk_c8)**.
% 0.18/0.47  8[0:Inp] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8)** equal(multiply(sk_c7,sk_c6),sk_c8).
% 0.18/0.47  9[0:Inp] ||  -> equal(inverse(sk_c5),sk_c7) equal(multiply(sk_c7,sk_c6),sk_c8)**.
% 0.18/0.47  10[0:Inp] ||  -> equal(multiply(sk_c5,sk_c6),sk_c7)** equal(multiply(sk_c7,sk_c6),sk_c8).
% 0.18/0.47  11[0:Inp] ||  -> equal(inverse(sk_c1),sk_c8) equal(multiply(sk_c7,sk_c8),sk_c6)**.
% 0.18/0.47  12[0:Inp] ||  -> equal(inverse(sk_c4),sk_c8) equal(inverse(sk_c1),sk_c8)**.
% 0.18/0.47  13[0:Inp] ||  -> equal(inverse(sk_c1),sk_c8) equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.18/0.47  14[0:Inp] ||  -> equal(inverse(sk_c5),sk_c7) equal(inverse(sk_c1),sk_c8)**.
% 0.18/0.47  16[0:Inp] ||  -> equal(multiply(sk_c7,sk_c8),sk_c6) equal(multiply(sk_c1,sk_c7),sk_c8)**.
% 0.18/0.47  17[0:Inp] ||  -> equal(inverse(sk_c4),sk_c8) equal(multiply(sk_c1,sk_c7),sk_c8)**.
% 0.18/0.47  18[0:Inp] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8) equal(multiply(sk_c1,sk_c7),sk_c8)**.
% 0.18/0.47  19[0:Inp] ||  -> equal(inverse(sk_c5),sk_c7) equal(multiply(sk_c1,sk_c7),sk_c8)**.
% 0.18/0.47  21[0:Inp] ||  -> equal(multiply(sk_c7,sk_c8),sk_c6) equal(multiply(sk_c2,sk_c3),sk_c7)**.
% 0.18/0.47  23[0:Inp] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8) equal(multiply(sk_c2,sk_c3),sk_c7)**.
% 0.18/0.47  26[0:Inp] ||  -> equal(inverse(sk_c2),sk_c3) equal(multiply(sk_c7,sk_c8),sk_c6)**.
% 0.18/0.47  28[0:Inp] ||  -> equal(inverse(sk_c2),sk_c3) equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.18/0.47  33[0:Inp] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8) equal(multiply(sk_c3,sk_c8),sk_c7)**.
% 0.18/0.47  36[0:Inp] || equal(inverse(sk_c8),sk_c7) equal(multiply(sk_c7,sk_c6),sk_c8)** equal(inverse(u),sk_c8) equal(multiply(u,sk_c7),sk_c8)** equal(multiply(v,w),sk_c7)** equal(inverse(v),w) equal(multiply(w,sk_c8),sk_c7)** equal(multiply(sk_c7,sk_c8),sk_c6) equal(inverse(x),sk_c8) equal(multiply(x,sk_c7),sk_c8)** equal(inverse(y),sk_c7) equal(multiply(y,sk_c6),sk_c7)** -> .
% 0.18/0.47  37[0:Inp] ||  -> equal(multiply(identity,u),u)**.
% 0.18/0.47  38[0:Inp] ||  -> equal(multiply(inverse(u),u),identity)**.
% 0.18/0.47  39[0:Inp] ||  -> equal(multiply(multiply(u,v),w),multiply(u,multiply(v,w)))**.
% 0.18/0.47  40[0:Con:36.8] || equal(inverse(u),v) equal(inverse(w),sk_c7) equal(inverse(x),sk_c8) equal(inverse(sk_c8),sk_c7) equal(multiply(u,v),sk_c7)**+ equal(multiply(w,sk_c6),sk_c7)** equal(multiply(v,sk_c8),sk_c7)** equal(multiply(x,sk_c7),sk_c8)** equal(multiply(sk_c7,sk_c8),sk_c6) equal(multiply(sk_c7,sk_c6),sk_c8)** -> .
% 0.18/0.47  41[1:Spt:40.0,40.4,40.6] || equal(inverse(u),v) equal(multiply(u,v),sk_c7)**+ equal(multiply(v,sk_c8),sk_c7)** -> .
% 0.18/0.47  42[2:Spt:1.1] ||  -> equal(multiply(sk_c7,sk_c8),sk_c6)**.
% 0.18/0.47  44[2:SpL:42.0,41.1] || equal(inverse(sk_c7),sk_c8) equal(sk_c6,sk_c7) equal(multiply(sk_c8,sk_c8),sk_c7)** -> .
% 0.18/0.47  45[3:Spt:4.0] ||  -> equal(inverse(sk_c5),sk_c7)**.
% 0.18/0.47  47[4:Spt:2.0] ||  -> equal(inverse(sk_c4),sk_c8)**.
% 0.18/0.47  49[5:Spt:5.1] ||  -> equal(multiply(sk_c5,sk_c6),sk_c7)**.
% 0.18/0.47  51[5:SpL:49.0,41.1] || equal(inverse(sk_c5),sk_c6) equal(sk_c7,sk_c7) equal(multiply(sk_c6,sk_c8),sk_c7)** -> .
% 0.18/0.47  52[5:Obv:51.1] || equal(inverse(sk_c5),sk_c6) equal(multiply(sk_c6,sk_c8),sk_c7)** -> .
% 0.18/0.47  53[5:Rew:45.0,52.0] || equal(sk_c6,sk_c7) equal(multiply(sk_c6,sk_c8),sk_c7)** -> .
% 0.18/0.47  55[1:SpL:37.0,41.1] || equal(inverse(identity),u) equal(u,sk_c7) equal(multiply(u,sk_c8),sk_c7)** -> .
% 0.18/0.47  56[6:Spt:3.1] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.18/0.47  62[3:SpR:45.0,38.0] ||  -> equal(multiply(sk_c7,sk_c5),identity)**.
% 0.18/0.47  63[4:SpR:47.0,38.0] ||  -> equal(multiply(sk_c8,sk_c4),identity)**.
% 0.18/0.47  66[3:SpL:62.0,41.1] || equal(inverse(sk_c7),sk_c5) equal(identity,sk_c7) equal(multiply(sk_c5,sk_c8),sk_c7)** -> .
% 0.18/0.47  71[2:SpR:42.0,39.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),multiply(sk_c6,u))**.
% 0.18/0.47  74[0:SpR:38.0,39.0] ||  -> equal(multiply(inverse(u),multiply(u,v)),multiply(identity,v))**.
% 0.18/0.47  76[3:SpR:62.0,39.0] ||  -> equal(multiply(sk_c7,multiply(sk_c5,u)),multiply(identity,u))**.
% 0.18/0.47  77[4:SpR:63.0,39.0] ||  -> equal(multiply(sk_c8,multiply(sk_c4,u)),multiply(identity,u))**.
% 0.18/0.47  79[3:Rew:37.0,76.0] ||  -> equal(multiply(sk_c7,multiply(sk_c5,u)),u)**.
% 0.18/0.47  80[4:Rew:37.0,77.0] ||  -> equal(multiply(sk_c8,multiply(sk_c4,u)),u)**.
% 0.18/0.47  81[0:Rew:37.0,74.0] ||  -> equal(multiply(inverse(u),multiply(u,v)),v)**.
% 0.18/0.47  85[5:SpR:49.0,79.0] ||  -> equal(multiply(sk_c7,sk_c7),sk_c6)**.
% 0.18/0.47  96[6:SpR:56.0,80.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c7)**.
% 0.18/0.47  109[0:SpR:81.0,81.0] ||  -> equal(multiply(inverse(inverse(u)),v),multiply(u,v))**.
% 0.18/0.47  111[2:SpR:42.0,81.0] ||  -> equal(multiply(inverse(sk_c7),sk_c6),sk_c8)**.
% 0.18/0.47  114[0:SpR:38.0,81.0] ||  -> equal(multiply(inverse(inverse(u)),identity),u)**.
% 0.18/0.47  116[3:SpR:62.0,81.0] ||  -> equal(multiply(inverse(sk_c7),identity),sk_c5)**.
% 0.18/0.47  118[5:SpR:85.0,81.0] ||  -> equal(multiply(inverse(sk_c7),sk_c6),sk_c7)**.
% 0.18/0.47  119[4:SpR:63.0,81.0] ||  -> equal(multiply(inverse(sk_c8),identity),sk_c4)**.
% 0.18/0.47  121[6:SpR:96.0,81.0] ||  -> equal(multiply(inverse(sk_c8),sk_c7),sk_c8)**.
% 0.18/0.47  123[3:SpR:45.0,81.0] ||  -> equal(multiply(sk_c7,multiply(sk_c5,u)),u)**.
% 0.18/0.47  128[5:Rew:111.0,118.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.18/0.47  130[5:Rew:128.0,42.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c6)**.
% 0.18/0.47  137[6:Rew:128.0,96.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c8)**.
% 0.18/0.47  142[5:Rew:128.0,116.0] ||  -> equal(multiply(inverse(sk_c8),identity),sk_c5)**.
% 0.18/0.47  145[5:Rew:128.0,53.0] || equal(sk_c6,sk_c8) equal(multiply(sk_c6,sk_c8),sk_c7)** -> .
% 0.18/0.47  156[6:Rew:130.0,137.0] ||  -> equal(sk_c6,sk_c8)**.
% 0.18/0.47  159[6:Rew:128.0,121.0] ||  -> equal(multiply(inverse(sk_c8),sk_c8),sk_c8)**.
% 0.18/0.47  160[6:Rew:38.0,159.0] ||  -> equal(identity,sk_c8)**.
% 0.18/0.47  180[6:Rew:160.0,114.0] ||  -> equal(multiply(inverse(inverse(u)),sk_c8),u)**.
% 0.18/0.47  188[6:Rew:109.0,180.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.18/0.47  195[6:Rew:156.0,145.1,188.0,145.1,128.0,145.1,156.0,145.0] || equal(sk_c8,sk_c8)* equal(sk_c8,sk_c8)* -> .
% 0.18/0.47  196[6:Obv:195.1] ||  -> .
% 0.18/0.47  214[6:Spt:196.0,3.1,56.0] || equal(multiply(sk_c4,sk_c7),sk_c8)** -> .
% 0.18/0.47  215[6:Spt:196.0,3.0] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.18/0.47  216[6:Rew:128.0,215.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.18/0.47  217[6:Rew:216.0,119.0] ||  -> equal(multiply(sk_c8,identity),sk_c4)**.
% 0.18/0.47  219[6:Rew:217.0,142.0,216.0,142.0] ||  -> equal(sk_c5,sk_c4)**.
% 0.18/0.47  223[6:Rew:128.0,214.0] || equal(multiply(sk_c4,sk_c8),sk_c8)** -> .
% 0.18/0.47  224[0:Rew:109.0,114.0] ||  -> equal(multiply(u,identity),u)**.
% 0.18/0.47  225[6:Rew:224.0,217.0] ||  -> equal(sk_c4,sk_c8)**.
% 0.18/0.47  228[6:Rew:225.0,219.0] ||  -> equal(sk_c5,sk_c8)**.
% 0.18/0.47  230[6:Rew:225.0,223.0] || equal(multiply(sk_c8,sk_c8),sk_c8)** -> .
% 0.18/0.47  237[6:Rew:130.0,230.0] || equal(sk_c6,sk_c8)** -> .
% 0.18/0.47  238[6:Rew:128.0,123.0,228.0,123.0] ||  -> equal(multiply(sk_c8,multiply(sk_c8,u)),u)**.
% 0.18/0.47  243[6:Rew:130.0,28.1,225.0,28.1,128.0,28.1] ||  -> equal(inverse(sk_c2),sk_c3)** equal(sk_c6,sk_c8).
% 0.18/0.47  244[6:MRR:243.1,237.0] ||  -> equal(inverse(sk_c2),sk_c3)**.
% 0.18/0.47  250[6:Rew:128.0,33.1,130.0,33.0,225.0,33.0,128.0,33.0] ||  -> equal(sk_c6,sk_c8) equal(multiply(sk_c3,sk_c8),sk_c8)**.
% 0.18/0.47  251[6:MRR:250.0,237.0] ||  -> equal(multiply(sk_c3,sk_c8),sk_c8)**.
% 0.18/0.47  252[6:Rew:128.0,23.1,130.0,23.0,225.0,23.0,128.0,23.0] ||  -> equal(sk_c6,sk_c8) equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.18/0.47  253[6:MRR:252.0,237.0] ||  -> equal(multiply(sk_c2,sk_c3),sk_c8)**.
% 0.18/0.47  287[6:SpR:251.0,39.0] ||  -> equal(multiply(sk_c3,multiply(sk_c8,u)),multiply(sk_c8,u))**.
% 0.18/0.47  291[6:SpR:253.0,81.0] ||  -> equal(multiply(inverse(sk_c2),sk_c8),sk_c3)**.
% 0.18/0.47  293[6:Rew:251.0,291.0,244.0,291.0] ||  -> equal(sk_c3,sk_c8)**.
% 0.18/0.47  299[6:Rew:293.0,287.0] ||  -> equal(multiply(sk_c8,multiply(sk_c8,u)),multiply(sk_c8,u))**.
% 0.18/0.47  305[6:Rew:238.0,299.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.18/0.47  306[6:Rew:305.0,130.0] ||  -> equal(sk_c6,sk_c8)**.
% 0.18/0.47  312[6:MRR:306.0,237.0] ||  -> .
% 0.18/0.47  315[5:Spt:312.0,5.1,49.0] || equal(multiply(sk_c5,sk_c6),sk_c7)** -> .
% 0.18/0.47  316[5:Spt:312.0,5.0] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.18/0.47  317[5:Rew:224.0,119.0,316.0,119.0] ||  -> equal(sk_c4,sk_c7)**.
% 0.18/0.47  318[5:Rew:317.0,47.0] ||  -> equal(inverse(sk_c7),sk_c8)**.
% 0.18/0.47  320[5:Rew:224.0,116.0,318.0,116.0] ||  -> equal(sk_c5,sk_c8)**.
% 0.18/0.47  322[5:Rew:320.0,62.0] ||  -> equal(multiply(sk_c7,sk_c8),identity)**.
% 0.18/0.47  323[5:Rew:42.0,322.0] ||  -> equal(identity,sk_c6)**.
% 0.18/0.47  324[5:Rew:323.0,224.0] ||  -> equal(multiply(u,sk_c6),u)**.
% 0.18/0.47  330[5:Rew:324.0,315.0,320.0,315.0] || equal(sk_c7,sk_c8)** -> .
% 0.18/0.47  355[5:Rew:324.0,10.1,320.0,10.0,324.0,10.0] ||  -> equal(sk_c7,sk_c8)** equal(sk_c7,sk_c8)**.
% 0.18/0.47  356[5:Obv:355.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.18/0.47  357[5:MRR:356.0,330.0] ||  -> .
% 0.18/0.47  369[4:Spt:357.0,2.0,47.0] || equal(inverse(sk_c4),sk_c8)** -> .
% 0.18/0.47  370[4:Spt:357.0,2.1] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.18/0.47  371[3:Rew:224.0,116.0] ||  -> equal(inverse(sk_c7),sk_c5)**.
% 0.18/0.47  372[3:Rew:371.0,111.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c8)**.
% 0.18/0.47  375[4:MRR:12.0,369.0] ||  -> equal(inverse(sk_c1),sk_c8)**.
% 0.18/0.47  378[4:MRR:17.0,369.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c8)**.
% 0.18/0.47  379[4:MRR:7.0,369.0] ||  -> equal(multiply(sk_c7,sk_c6),sk_c8)**.
% 0.18/0.47  381[3:Rew:371.0,66.0] || equal(sk_c5,sk_c5) equal(identity,sk_c7) equal(multiply(sk_c5,sk_c8),sk_c7)** -> .
% 0.18/0.47  382[3:Obv:381.0] || equal(identity,sk_c7) equal(multiply(sk_c5,sk_c8),sk_c7)** -> .
% 0.18/0.47  384[4:SpR:370.0,81.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),u)**.
% 0.18/0.47  386[4:Rew:71.0,384.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.18/0.47  406[3:SpR:372.0,39.0] ||  -> equal(multiply(sk_c5,multiply(sk_c6,u)),multiply(sk_c8,u))**.
% 0.18/0.47  410[4:Rew:386.0,406.0] ||  -> equal(multiply(sk_c5,u),multiply(sk_c8,u))**.
% 0.18/0.47  415[4:Rew:410.0,382.1] || equal(identity,sk_c7) equal(multiply(sk_c8,sk_c8),sk_c7)** -> .
% 0.18/0.47  425[4:SpR:378.0,81.0] ||  -> equal(multiply(inverse(sk_c1),sk_c8),sk_c7)**.
% 0.18/0.47  427[4:Rew:375.0,425.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c7)**.
% 0.18/0.47  428[4:Rew:427.0,415.1] || equal(identity,sk_c7)** equal(sk_c7,sk_c7) -> .
% 0.18/0.47  430[4:Obv:428.1] || equal(identity,sk_c7)** -> .
% 0.18/0.47  433[4:SpR:379.0,81.0] ||  -> equal(multiply(inverse(sk_c7),sk_c8),sk_c6)**.
% 0.18/0.47  435[4:Rew:371.0,433.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c6)**.
% 0.18/0.47  436[4:Rew:427.0,435.0,410.0,435.0] ||  -> equal(sk_c6,sk_c7)**.
% 0.18/0.47  438[4:Rew:436.0,379.0] ||  -> equal(multiply(sk_c7,sk_c7),sk_c8)**.
% 0.18/0.47  439[4:Rew:436.0,386.0] ||  -> equal(multiply(sk_c7,u),u)**.
% 0.18/0.47  442[4:Rew:439.0,62.0] ||  -> equal(identity,sk_c5)**.
% 0.18/0.47  443[4:Rew:439.0,438.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.18/0.47  450[4:Rew:442.0,430.0] || equal(sk_c5,sk_c7)** -> .
% 0.18/0.47  456[4:Rew:443.0,370.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.18/0.47  458[4:Rew:443.0,371.0] ||  -> equal(inverse(sk_c8),sk_c5)**.
% 0.18/0.47  471[4:Rew:443.0,450.0] || equal(sk_c5,sk_c8)** -> .
% 0.18/0.47  472[4:Rew:456.0,458.0] ||  -> equal(sk_c5,sk_c8)**.
% 0.18/0.47  473[4:MRR:472.0,471.0] ||  -> .
% 0.18/0.47  496[3:Spt:473.0,4.0,45.0] || equal(inverse(sk_c5),sk_c7)** -> .
% 0.18/0.47  497[3:Spt:473.0,4.1] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.18/0.47  499[3:MRR:14.0,496.0] ||  -> equal(inverse(sk_c1),sk_c8)**.
% 0.18/0.47  502[3:MRR:19.0,496.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c8)**.
% 0.18/0.47  503[3:MRR:9.0,496.0] ||  -> equal(multiply(sk_c7,sk_c6),sk_c8)**.
% 0.18/0.47  504[3:SpR:497.0,81.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),u)**.
% 0.18/0.47  506[3:Rew:71.0,504.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.18/0.47  524[3:SpR:502.0,81.0] ||  -> equal(multiply(inverse(sk_c1),sk_c8),sk_c7)**.
% 0.18/0.47  526[3:Rew:499.0,524.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c7)**.
% 0.18/0.47  527[3:Rew:526.0,44.2] || equal(inverse(sk_c7),sk_c8)** equal(sk_c6,sk_c7) equal(sk_c7,sk_c7) -> .
% 0.18/0.47  528[3:Obv:527.2] || equal(inverse(sk_c7),sk_c8)** equal(sk_c6,sk_c7) -> .
% 0.18/0.47  529[3:SpR:503.0,39.0] ||  -> equal(multiply(sk_c7,multiply(sk_c6,u)),multiply(sk_c8,u))**.
% 0.18/0.47  532[3:Rew:506.0,529.0] ||  -> equal(multiply(sk_c7,u),multiply(sk_c8,u))**.
% 0.18/0.47  534[3:Rew:532.0,42.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c6)**.
% 0.18/0.47  539[3:Rew:526.0,534.0] ||  -> equal(sk_c6,sk_c7)**.
% 0.18/0.47  541[3:Rew:539.0,506.0] ||  -> equal(multiply(sk_c7,u),u)**.
% 0.18/0.47  542[3:Rew:539.0,528.1] || equal(inverse(sk_c7),sk_c8)** equal(sk_c7,sk_c7) -> .
% 0.18/0.47  545[3:Rew:532.0,541.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.18/0.47  548[3:Rew:545.0,526.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.18/0.47  549[3:Rew:548.0,497.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.18/0.47  576[3:Obv:542.1] || equal(inverse(sk_c7),sk_c8)** -> .
% 0.18/0.47  577[3:Rew:549.0,576.0,548.0,576.0] || equal(sk_c8,sk_c8)* -> .
% 0.18/0.47  578[3:Obv:577.0] ||  -> .
% 0.18/0.47  584[2:Spt:578.0,1.1,42.0] || equal(multiply(sk_c7,sk_c8),sk_c6)** -> .
% 0.18/0.47  585[2:Spt:578.0,1.0] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.18/0.47  586[2:MRR:26.1,584.0] ||  -> equal(inverse(sk_c2),sk_c3)**.
% 0.18/0.47  587[2:MRR:11.1,584.0] ||  -> equal(inverse(sk_c1),sk_c8)**.
% 0.18/0.47  589[2:MRR:21.0,584.0] ||  -> equal(multiply(sk_c2,sk_c3),sk_c7)**.
% 0.18/0.47  590[2:MRR:16.0,584.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c8)**.
% 0.18/0.47  602[2:SpR:589.0,81.0] ||  -> equal(multiply(inverse(sk_c2),sk_c7),sk_c3)**.
% 0.18/0.47  604[2:Rew:586.0,602.0] ||  -> equal(multiply(sk_c3,sk_c7),sk_c3)**.
% 0.18/0.47  613[2:SpR:604.0,81.0] ||  -> equal(multiply(inverse(sk_c3),sk_c3),sk_c7)**.
% 0.18/0.47  615[2:Rew:38.0,613.0] ||  -> equal(identity,sk_c7)**.
% 0.18/0.47  616[2:Rew:615.0,224.0] ||  -> equal(multiply(u,sk_c7),u)**.
% 0.18/0.47  619[2:Rew:615.0,55.0] || equal(inverse(sk_c7),u) equal(u,sk_c7) equal(multiply(u,sk_c8),sk_c7)** -> .
% 0.18/0.47  622[2:Rew:616.0,590.0] ||  -> equal(sk_c1,sk_c8)**.
% 0.18/0.47  624[2:Rew:622.0,587.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.18/0.47  627[2:Rew:585.0,624.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.18/0.47  628[2:Rew:627.0,585.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.18/0.47  643[2:Rew:627.0,616.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.18/0.47  666[2:Rew:643.0,619.2,627.0,619.2,627.0,619.1,628.0,619.0,627.0,619.0] || equal(sk_c8,u)* equal(u,sk_c8)* equal(u,sk_c8)* -> .
% 0.18/0.47  667[2:Obv:666.1] || equal(u,sk_c8)* -> .
% 0.18/0.47  668[2:UnC:667.0,81.0] ||  -> .
% 0.18/0.47  674[1:Spt:668.0,40.1,40.2,40.3,40.5,40.7,40.8,40.9] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(sk_c8),sk_c7) equal(multiply(u,sk_c6),sk_c7)**+ equal(multiply(v,sk_c7),sk_c8)** equal(multiply(sk_c7,sk_c8),sk_c6) equal(multiply(sk_c7,sk_c6),sk_c8)** -> .
% 0.18/0.47  676[2:Spt:1.1] ||  -> equal(multiply(sk_c7,sk_c8),sk_c6)**.
% 0.18/0.47  677[2:Rew:676.0,674.5] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(sk_c8),sk_c7) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c7),sk_c8)** equal(sk_c6,sk_c6) equal(multiply(sk_c7,sk_c6),sk_c8)** -> .
% 0.18/0.47  679[2:Obv:677.5] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(sk_c8),sk_c7) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c7),sk_c8)** equal(multiply(sk_c7,sk_c6),sk_c8)** -> .
% 0.18/0.47  681[2:SpR:676.0,39.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),multiply(sk_c6,u))**.
% 0.18/0.47  682[2:SpR:676.0,81.0] ||  -> equal(multiply(inverse(sk_c7),sk_c6),sk_c8)**.
% 0.18/0.47  684[3:Spt:2.0] ||  -> equal(inverse(sk_c4),sk_c8)**.
% 0.18/0.47  685[3:SpR:684.0,81.0] ||  -> equal(multiply(sk_c8,multiply(sk_c4,u)),u)**.
% 0.18/0.47  687[4:Spt:4.0] ||  -> equal(inverse(sk_c5),sk_c7)**.
% 0.18/0.47  688[4:SpR:687.0,81.0] ||  -> equal(multiply(sk_c7,multiply(sk_c5,u)),u)**.
% 0.18/0.47  690[5:Spt:3.1] ||  -> equal(multiply(sk_c4,sk_c7),sk_c8)**.
% 0.18/0.47  692[5:SpR:690.0,81.0] ||  -> equal(multiply(inverse(sk_c4),sk_c8),sk_c7)**.
% 0.18/0.47  694[5:Rew:684.0,692.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c7)**.
% 0.18/0.47  695[6:Spt:5.1] ||  -> equal(multiply(sk_c5,sk_c6),sk_c7)**.
% 0.18/0.47  697[6:SpR:695.0,81.0] ||  -> equal(multiply(inverse(sk_c5),sk_c7),sk_c6)**.
% 0.18/0.47  699[6:Rew:687.0,697.0] ||  -> equal(multiply(sk_c7,sk_c7),sk_c6)**.
% 0.18/0.47  704[5:SpR:694.0,81.0] ||  -> equal(multiply(inverse(sk_c8),sk_c7),sk_c8)**.
% 0.18/0.47  707[6:SpR:699.0,81.0] ||  -> equal(multiply(inverse(sk_c7),sk_c6),sk_c7)**.
% 0.18/0.47  709[6:Rew:682.0,707.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.18/0.47  710[6:Rew:709.0,676.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c6)**.
% 0.18/0.47  711[6:Rew:709.0,687.0] ||  -> equal(inverse(sk_c5),sk_c8)**.
% 0.18/0.47  713[6:Rew:709.0,695.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c8)**.
% 0.18/0.47  714[6:Rew:709.0,694.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c8)**.
% 0.18/0.47  717[6:Rew:709.0,679.2] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(sk_c8),sk_c8) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c7),sk_c8)** equal(multiply(sk_c7,sk_c6),sk_c8)** -> .
% 0.18/0.47  718[6:Rew:709.0,682.0] ||  -> equal(multiply(inverse(sk_c8),sk_c6),sk_c8)**.
% 0.18/0.47  725[6:Rew:710.0,714.0] ||  -> equal(sk_c6,sk_c8)**.
% 0.18/0.47  727[6:Rew:725.0,713.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c8)**.
% 0.18/0.47  729[6:Rew:38.0,718.0,725.0,718.0] ||  -> equal(identity,sk_c8)**.
% 0.18/0.47  731[6:Rew:729.0,224.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.18/0.47  735[6:Rew:731.0,727.0] ||  -> equal(sk_c5,sk_c8)**.
% 0.18/0.47  737[6:Rew:735.0,711.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.18/0.47  747[6:Rew:709.0,717.5,731.0,717.5,725.0,717.5,731.0,717.4,709.0,717.4,731.0,717.3,725.0,717.3,709.0,717.3,737.0,717.2,709.0,717.0] || equal(inverse(u),sk_c8)** equal(inverse(v),sk_c8)** equal(sk_c8,sk_c8) equal(u,sk_c8) equal(v,sk_c8) equal(sk_c8,sk_c8) -> .
% 0.18/0.47  748[6:Obv:747.5] || equal(inverse(u),sk_c8)** equal(inverse(v),sk_c8)** equal(u,sk_c8) equal(v,sk_c8) -> .
% 0.18/0.47  749[6:Con:748.1] || equal(inverse(u),sk_c8)** equal(u,sk_c8) -> .
% 0.18/0.47  810[6:SpL:737.0,749.0] || equal(sk_c8,sk_c8)* equal(sk_c8,sk_c8)* -> .
% 0.18/0.47  812[6:Obv:810.1] ||  -> .
% 0.18/0.47  813[6:Spt:812.0,5.1,695.0] || equal(multiply(sk_c5,sk_c6),sk_c7)** -> .
% 0.18/0.47  814[6:Spt:812.0,5.0] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.18/0.47  815[6:Rew:814.0,704.0] ||  -> equal(multiply(sk_c7,sk_c7),sk_c8)**.
% 0.18/0.47  821[6:MRR:10.0,813.0] ||  -> equal(multiply(sk_c7,sk_c6),sk_c8)**.
% 0.18/0.47  826[6:SpR:814.0,81.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),u)**.
% 0.18/0.47  828[6:Rew:681.0,826.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.18/0.47  854[6:SpR:815.0,81.0] ||  -> equal(multiply(inverse(sk_c7),sk_c8),sk_c7)**.
% 0.18/0.47  865[6:SpR:821.0,81.0] ||  -> equal(multiply(inverse(sk_c7),sk_c8),sk_c6)**.
% 0.18/0.47  867[6:Rew:854.0,865.0] ||  -> equal(sk_c6,sk_c7)**.
% 0.18/0.47  871[6:Rew:867.0,813.0] || equal(multiply(sk_c5,sk_c7),sk_c7)** -> .
% 0.18/0.47  874[6:Rew:867.0,828.0] ||  -> equal(multiply(sk_c7,u),u)**.
% 0.18/0.47  875[6:Rew:874.0,815.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.18/0.47  879[6:Rew:874.0,688.0] ||  -> equal(multiply(sk_c5,u),u)**.
% 0.18/0.47  905[6:Rew:879.0,871.0,875.0,871.0] || equal(sk_c8,sk_c8)* -> .
% 0.18/0.47  906[6:Obv:905.0] ||  -> .
% 0.18/0.47  920[5:Spt:906.0,3.1,690.0] || equal(multiply(sk_c4,sk_c7),sk_c8)** -> .
% 0.18/0.47  921[5:Spt:906.0,3.0] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.18/0.47  923[5:MRR:13.1,920.0] ||  -> equal(inverse(sk_c1),sk_c8)**.
% 0.18/0.47  926[5:MRR:18.0,920.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c8)**.
% 0.18/0.47  927[5:MRR:8.0,920.0] ||  -> equal(multiply(sk_c7,sk_c6),sk_c8)**.
% 0.18/0.47  932[5:SpR:921.0,81.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),u)**.
% 0.18/0.47  934[5:Rew:681.0,932.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.18/0.47  954[5:SpR:926.0,81.0] ||  -> equal(multiply(inverse(sk_c1),sk_c8),sk_c7)**.
% 0.18/0.47  956[5:Rew:923.0,954.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c7)**.
% 0.18/0.47  957[5:SpR:927.0,39.0] ||  -> equal(multiply(sk_c7,multiply(sk_c6,u)),multiply(sk_c8,u))**.
% 0.18/0.47  960[5:Rew:934.0,957.0] ||  -> equal(multiply(sk_c7,u),multiply(sk_c8,u))**.
% 0.18/0.47  962[5:Rew:960.0,676.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c6)**.
% 0.18/0.47  968[5:Rew:956.0,962.0] ||  -> equal(sk_c6,sk_c7)**.
% 0.18/0.47  972[5:Rew:968.0,934.0] ||  -> equal(multiply(sk_c7,u),u)**.
% 0.18/0.47  975[5:Rew:960.0,972.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.18/0.47  977[5:Rew:975.0,956.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.18/0.47  979[5:Rew:975.0,685.0] ||  -> equal(multiply(sk_c4,u),u)**.
% 0.18/0.47  985[5:Rew:977.0,920.0] || equal(multiply(sk_c4,sk_c8),sk_c8)** -> .
% 0.18/0.47  998[5:Rew:979.0,985.0] || equal(sk_c8,sk_c8)* -> .
% 0.18/0.47  999[5:Obv:998.0] ||  -> .
% 0.18/0.47  1009[4:Spt:999.0,4.0,687.0] || equal(inverse(sk_c5),sk_c7)** -> .
% 0.18/0.47  1010[4:Spt:999.0,4.1] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.18/0.47  1012[4:MRR:14.0,1009.0] ||  -> equal(inverse(sk_c1),sk_c8)**.
% 0.18/0.47  1015[4:MRR:19.0,1009.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c8)**.
% 0.18/0.47  1016[4:MRR:9.0,1009.0] ||  -> equal(multiply(sk_c7,sk_c6),sk_c8)**.
% 0.18/0.47  1017[4:Rew:1016.0,679.5,1010.0,679.2] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(sk_c7,sk_c7) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c7),sk_c8)** equal(sk_c8,sk_c8) -> .
% 0.18/0.47  1018[4:Obv:1017.5] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c7),sk_c8)** -> .
% 0.18/0.47  1021[4:SpR:1010.0,81.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),u)**.
% 0.18/0.47  1023[4:Rew:681.0,1021.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.18/0.47  1041[4:SpR:1015.0,81.0] ||  -> equal(multiply(inverse(sk_c1),sk_c8),sk_c7)**.
% 0.18/0.47  1043[4:Rew:1012.0,1041.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c7)**.
% 0.18/0.47  1044[4:SpR:1016.0,39.0] ||  -> equal(multiply(sk_c7,multiply(sk_c6,u)),multiply(sk_c8,u))**.
% 0.18/0.47  1047[4:Rew:1023.0,1044.0] ||  -> equal(multiply(sk_c7,u),multiply(sk_c8,u))**.
% 0.18/0.47  1049[4:Rew:1047.0,676.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c6)**.
% 0.18/0.47  1054[4:Rew:1043.0,1049.0] ||  -> equal(sk_c6,sk_c7)**.
% 0.18/0.47  1056[4:Rew:1054.0,1018.2] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(multiply(u,sk_c7),sk_c7)** equal(multiply(v,sk_c7),sk_c8)** -> .
% 0.18/0.47  1058[4:Rew:1054.0,1023.0] ||  -> equal(multiply(sk_c7,u),u)**.
% 0.18/0.47  1061[4:Rew:1047.0,1058.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.18/0.47  1062[4:Rew:1061.0,1043.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.18/0.47  1066[4:Rew:1062.0,1010.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.18/0.47  1088[4:Rew:1062.0,1056.3,1062.0,1056.2,1062.0,1056.0] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(multiply(u,sk_c8),sk_c8)** equal(multiply(v,sk_c8),sk_c8)** -> .
% 0.18/0.47  1089[4:Con:1088.1] || equal(inverse(u),sk_c8) equal(multiply(u,sk_c8),sk_c8)** -> .
% 0.18/0.47  1112[4:SpR:1061.0,224.0] ||  -> equal(identity,sk_c8)**.
% 0.18/0.47  1115[4:Rew:1112.0,224.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.18/0.47  1118[4:Rew:1115.0,1089.1] || equal(inverse(u),sk_c8)** equal(u,sk_c8) -> .
% 0.18/0.47  1155[4:SpL:1066.0,1118.0] || equal(sk_c8,sk_c8)* equal(sk_c8,sk_c8)* -> .
% 0.18/0.47  1156[4:Obv:1155.1] ||  -> .
% 0.18/0.47  1157[3:Spt:1156.0,2.0,684.0] || equal(inverse(sk_c4),sk_c8)** -> .
% 0.18/0.47  1158[3:Spt:1156.0,2.1] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.18/0.47  1160[3:MRR:12.0,1157.0] ||  -> equal(inverse(sk_c1),sk_c8)**.
% 0.18/0.47  1163[3:MRR:17.0,1157.0] ||  -> equal(multiply(sk_c1,sk_c7),sk_c8)**.
% 0.18/0.47  1164[3:MRR:7.0,1157.0] ||  -> equal(multiply(sk_c7,sk_c6),sk_c8)**.
% 0.18/0.47  1165[3:Rew:1164.0,679.5,1158.0,679.2] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(sk_c7,sk_c7) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c7),sk_c8)** equal(sk_c8,sk_c8) -> .
% 0.18/0.47  1166[3:Obv:1165.5] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(multiply(u,sk_c6),sk_c7)** equal(multiply(v,sk_c7),sk_c8)** -> .
% 0.18/0.47  1169[3:SpR:1158.0,81.0] ||  -> equal(multiply(sk_c7,multiply(sk_c8,u)),u)**.
% 0.18/0.47  1171[3:Rew:681.0,1169.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.18/0.47  1189[3:SpR:1163.0,81.0] ||  -> equal(multiply(inverse(sk_c1),sk_c8),sk_c7)**.
% 0.18/0.47  1191[3:Rew:1160.0,1189.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c7)**.
% 0.18/0.47  1192[3:SpR:1164.0,39.0] ||  -> equal(multiply(sk_c7,multiply(sk_c6,u)),multiply(sk_c8,u))**.
% 0.18/0.47  1195[3:Rew:1171.0,1192.0] ||  -> equal(multiply(sk_c7,u),multiply(sk_c8,u))**.
% 0.18/0.47  1197[3:Rew:1195.0,676.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c6)**.
% 0.18/0.47  1202[3:Rew:1191.0,1197.0] ||  -> equal(sk_c6,sk_c7)**.
% 0.18/0.47  1204[3:Rew:1202.0,1166.2] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(multiply(u,sk_c7),sk_c7)** equal(multiply(v,sk_c7),sk_c8)** -> .
% 0.18/0.47  1206[3:Rew:1202.0,1171.0] ||  -> equal(multiply(sk_c7,u),u)**.
% 0.18/0.47  1209[3:Rew:1195.0,1206.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.18/0.47  1210[3:Rew:1209.0,1191.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.18/0.47  1213[3:Rew:1210.0,1158.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.18/0.47  1234[3:Rew:1210.0,1204.3,1210.0,1204.2,1210.0,1204.0] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(multiply(u,sk_c8),sk_c8)** equal(multiply(v,sk_c8),sk_c8)** -> .
% 0.18/0.47  1235[3:Con:1234.1] || equal(inverse(u),sk_c8) equal(multiply(u,sk_c8),sk_c8)** -> .
% 0.18/0.47  1258[3:SpR:1209.0,224.0] ||  -> equal(identity,sk_c8)**.
% 0.18/0.47  1260[3:Rew:1258.0,224.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.18/0.47  1264[3:Rew:1260.0,1235.1] || equal(inverse(u),sk_c8)** equal(u,sk_c8) -> .
% 0.18/0.47  1300[3:SpL:1213.0,1264.0] || equal(sk_c8,sk_c8)* equal(sk_c8,sk_c8)* -> .
% 0.18/0.47  1301[3:Obv:1300.1] ||  -> .
% 0.18/0.47  1302[2:Spt:1301.0,1.1,676.0] || equal(multiply(sk_c7,sk_c8),sk_c6)** -> .
% 0.18/0.47  1303[2:Spt:1301.0,1.0] ||  -> equal(inverse(sk_c8),sk_c7)**.
% 0.18/0.47  1304[2:MRR:26.1,1302.0] ||  -> equal(inverse(sk_c2),sk_c3)**.
% 0.18/0.47  1307[2:MRR:21.0,1302.0] ||  -> equal(multiply(sk_c2,sk_c3),sk_c7)**.
% 0.18/0.47  1309[2:MRR:6.0,1302.0] ||  -> equal(multiply(sk_c7,sk_c6),sk_c8)**.
% 0.18/0.47  1320[2:SpR:1307.0,81.0] ||  -> equal(multiply(inverse(sk_c2),sk_c7),sk_c3)**.
% 0.18/0.47  1322[2:Rew:1304.0,1320.0] ||  -> equal(multiply(sk_c3,sk_c7),sk_c3)**.
% 0.18/0.47  1331[2:SpR:1322.0,81.0] ||  -> equal(multiply(inverse(sk_c3),sk_c3),sk_c7)**.
% 0.18/0.47  1333[2:Rew:38.0,1331.0] ||  -> equal(identity,sk_c7)**.
% 0.18/0.47  1334[2:Rew:1333.0,37.0] ||  -> equal(multiply(sk_c7,u),u)**.
% 0.18/0.47  1338[2:Rew:1334.0,1309.0] ||  -> equal(sk_c6,sk_c8)**.
% 0.18/0.47  1344[2:Rew:1334.0,1302.0] || equal(sk_c6,sk_c8)** -> .
% 0.18/0.48  1346[2:Rew:1338.0,1344.0] || equal(sk_c8,sk_c8)* -> .
% 0.18/0.48  1347[2:Obv:1346.0] ||  -> .
% 0.18/0.48  % SZS output end Refutation
% 0.18/0.48  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_16 prove_this_17 prove_this_18 prove_this_19 prove_this_21 prove_this_23 prove_this_26 prove_this_28 prove_this_33 prove_this_36 left_identity left_inverse associativity
% 0.18/0.48  
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