TSTP Solution File: GRP208-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP208-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n011.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 11:46:20 EDT 2022

% Result   : Unsatisfiable 0.43s 0.60s
% Output   : Refutation 0.43s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : GRP208-1 : TPTP v8.1.0. Released v2.5.0.
% 0.11/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n011.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 17:28:03 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.43/0.60  
% 0.43/0.60  SPASS V 3.9 
% 0.43/0.60  SPASS beiseite: Proof found.
% 0.43/0.60  % SZS status Theorem
% 0.43/0.60  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.43/0.60  SPASS derived 1954 clauses, backtracked 537 clauses, performed 13 splits and kept 1053 clauses.
% 0.43/0.60  SPASS allocated 64937 KBytes.
% 0.43/0.60  SPASS spent	0:00:00.26 on the problem.
% 0.43/0.60  		0:00:00.03 for the input.
% 0.43/0.60  		0:00:00.00 for the FLOTTER CNF translation.
% 0.43/0.60  		0:00:00.01 for inferences.
% 0.43/0.60  		0:00:00.00 for the backtracking.
% 0.43/0.60  		0:00:00.18 for the reduction.
% 0.43/0.60  
% 0.43/0.60  
% 0.43/0.60  Here is a proof with depth 5, length 416 :
% 0.43/0.60  % SZS output start Refutation
% 0.43/0.60  1[0:Inp] ||  -> equal(multiply(sk_c5,sk_c6),sk_c12)** equal(multiply(sk_c1,sk_c2),sk_c12).
% 0.43/0.60  2[0:Inp] ||  -> equal(inverse(sk_c5),sk_c6) equal(multiply(sk_c1,sk_c2),sk_c12)**.
% 0.43/0.60  3[0:Inp] ||  -> equal(multiply(sk_c6,sk_c11),sk_c12)** equal(multiply(sk_c1,sk_c2),sk_c12).
% 0.43/0.60  6[0:Inp] ||  -> equal(multiply(sk_c8,sk_c9),sk_c11)** equal(multiply(sk_c1,sk_c2),sk_c12).
% 0.43/0.60  7[0:Inp] ||  -> equal(inverse(sk_c8),sk_c9) equal(multiply(sk_c1,sk_c2),sk_c12)**.
% 0.43/0.60  9[0:Inp] ||  -> equal(inverse(sk_c10),sk_c11) equal(multiply(sk_c1,sk_c2),sk_c12)**.
% 0.43/0.60  10[0:Inp] ||  -> equal(multiply(sk_c10,sk_c12),sk_c11)** equal(multiply(sk_c1,sk_c2),sk_c12).
% 0.43/0.60  11[0:Inp] ||  -> equal(inverse(sk_c1),sk_c2) equal(multiply(sk_c5,sk_c6),sk_c12)**.
% 0.43/0.60  12[0:Inp] ||  -> equal(inverse(sk_c5),sk_c6)** equal(inverse(sk_c1),sk_c2).
% 0.43/0.60  13[0:Inp] ||  -> equal(inverse(sk_c1),sk_c2) equal(multiply(sk_c6,sk_c11),sk_c12)**.
% 0.43/0.60  16[0:Inp] ||  -> equal(inverse(sk_c1),sk_c2) equal(multiply(sk_c8,sk_c9),sk_c11)**.
% 0.43/0.60  17[0:Inp] ||  -> equal(inverse(sk_c8),sk_c9)** equal(inverse(sk_c1),sk_c2).
% 0.43/0.60  18[0:Inp] ||  -> equal(inverse(sk_c1),sk_c2) equal(multiply(sk_c9,sk_c12),sk_c11)**.
% 0.43/0.60  19[0:Inp] ||  -> equal(inverse(sk_c10),sk_c11)** equal(inverse(sk_c1),sk_c2).
% 0.43/0.60  20[0:Inp] ||  -> equal(inverse(sk_c1),sk_c2) equal(multiply(sk_c10,sk_c12),sk_c11)**.
% 0.43/0.60  21[0:Inp] ||  -> equal(multiply(sk_c5,sk_c6),sk_c12)** equal(multiply(sk_c2,sk_c11),sk_c12).
% 0.43/0.60  22[0:Inp] ||  -> equal(inverse(sk_c5),sk_c6) equal(multiply(sk_c2,sk_c11),sk_c12)**.
% 0.43/0.60  23[0:Inp] ||  -> equal(multiply(sk_c6,sk_c11),sk_c12)** equal(multiply(sk_c2,sk_c11),sk_c12).
% 0.43/0.60  24[0:Inp] ||  -> equal(inverse(sk_c7),sk_c12) equal(multiply(sk_c2,sk_c11),sk_c12)**.
% 0.43/0.60  25[0:Inp] ||  -> equal(multiply(sk_c7,sk_c11),sk_c12)** equal(multiply(sk_c2,sk_c11),sk_c12).
% 0.43/0.60  26[0:Inp] ||  -> equal(multiply(sk_c8,sk_c9),sk_c11)** equal(multiply(sk_c2,sk_c11),sk_c12).
% 0.43/0.60  27[0:Inp] ||  -> equal(inverse(sk_c8),sk_c9) equal(multiply(sk_c2,sk_c11),sk_c12)**.
% 0.43/0.60  28[0:Inp] ||  -> equal(multiply(sk_c9,sk_c12),sk_c11)** equal(multiply(sk_c2,sk_c11),sk_c12).
% 0.43/0.60  29[0:Inp] ||  -> equal(inverse(sk_c10),sk_c11) equal(multiply(sk_c2,sk_c11),sk_c12)**.
% 0.43/0.60  30[0:Inp] ||  -> equal(multiply(sk_c10,sk_c12),sk_c11)** equal(multiply(sk_c2,sk_c11),sk_c12).
% 0.43/0.60  36[0:Inp] ||  -> equal(multiply(sk_c8,sk_c9),sk_c11) equal(multiply(sk_c12,sk_c4),sk_c11)**.
% 0.43/0.60  37[0:Inp] ||  -> equal(inverse(sk_c8),sk_c9) equal(multiply(sk_c12,sk_c4),sk_c11)**.
% 0.43/0.60  39[0:Inp] ||  -> equal(inverse(sk_c10),sk_c11) equal(multiply(sk_c12,sk_c4),sk_c11)**.
% 0.43/0.60  40[0:Inp] ||  -> equal(multiply(sk_c10,sk_c12),sk_c11) equal(multiply(sk_c12,sk_c4),sk_c11)**.
% 0.43/0.60  46[0:Inp] ||  -> equal(multiply(sk_c8,sk_c9),sk_c11) equal(multiply(sk_c3,sk_c12),sk_c4)**.
% 0.43/0.60  47[0:Inp] ||  -> equal(inverse(sk_c8),sk_c9) equal(multiply(sk_c3,sk_c12),sk_c4)**.
% 0.43/0.60  49[0:Inp] ||  -> equal(inverse(sk_c10),sk_c11) equal(multiply(sk_c3,sk_c12),sk_c4)**.
% 0.43/0.60  50[0:Inp] ||  -> equal(multiply(sk_c10,sk_c12),sk_c11) equal(multiply(sk_c3,sk_c12),sk_c4)**.
% 0.43/0.60  51[0:Inp] ||  -> equal(inverse(sk_c3),sk_c12) equal(multiply(sk_c5,sk_c6),sk_c12)**.
% 0.43/0.60  52[0:Inp] ||  -> equal(inverse(sk_c5),sk_c6) equal(inverse(sk_c3),sk_c12)**.
% 0.43/0.60  53[0:Inp] ||  -> equal(inverse(sk_c3),sk_c12) equal(multiply(sk_c6,sk_c11),sk_c12)**.
% 0.43/0.60  56[0:Inp] ||  -> equal(inverse(sk_c3),sk_c12) equal(multiply(sk_c8,sk_c9),sk_c11)**.
% 0.43/0.60  57[0:Inp] ||  -> equal(inverse(sk_c8),sk_c9) equal(inverse(sk_c3),sk_c12)**.
% 0.43/0.60  58[0:Inp] ||  -> equal(inverse(sk_c3),sk_c12) equal(multiply(sk_c9,sk_c12),sk_c11)**.
% 0.43/0.60  59[0:Inp] ||  -> equal(inverse(sk_c10),sk_c11) equal(inverse(sk_c3),sk_c12)**.
% 0.43/0.60  60[0:Inp] ||  -> equal(inverse(sk_c3),sk_c12) equal(multiply(sk_c10,sk_c12),sk_c11)**.
% 0.43/0.60  61[0:Inp] || equal(multiply(u,v),sk_c12)** equal(inverse(u),v) equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,w),sk_c11)** equal(multiply(x,sk_c12),w)* equal(inverse(x),sk_c12) equal(multiply(y,z),sk_c12)** equal(inverse(y),z) equal(multiply(z,sk_c11),sk_c12)** equal(inverse(x1),sk_c12) equal(multiply(x1,sk_c11),sk_c12)** equal(multiply(x2,x3),sk_c11)** equal(inverse(x2),x3) equal(multiply(x3,sk_c12),sk_c11)** equal(inverse(x4),sk_c11) equal(multiply(x4,sk_c12),sk_c11)** -> .
% 0.43/0.60  62[0:Inp] ||  -> equal(multiply(identity,u),u)**.
% 0.43/0.60  63[0:Inp] ||  -> equal(multiply(inverse(u),u),identity)**.
% 0.43/0.60  64[0:Inp] ||  -> equal(multiply(multiply(u,v),w),multiply(u,multiply(v,w)))**.
% 0.43/0.60  65[0:Con:61.6] || equal(inverse(u),v) equal(inverse(w),x) equal(inverse(y),sk_c11) equal(inverse(z),sk_c12) equal(inverse(x1),sk_c12) equal(multiply(u,v),sk_c11)**+ equal(multiply(w,x),sk_c12)** equal(multiply(x1,sk_c12),x2)* equal(multiply(y,sk_c12),sk_c11)** equal(multiply(v,sk_c12),sk_c11)** equal(multiply(z,sk_c11),sk_c12)** equal(multiply(x,sk_c11),sk_c12)** equal(multiply(sk_c12,x2),sk_c11)** -> .
% 0.43/0.60  66[1:Spt:65.1,65.6,65.11] || equal(inverse(u),v) equal(multiply(u,v),sk_c12)**+ equal(multiply(v,sk_c11),sk_c12)** -> .
% 0.43/0.60  69[2:Spt:19.1] ||  -> equal(inverse(sk_c1),sk_c2)**.
% 0.43/0.60  79[3:Spt:27.1] ||  -> equal(multiply(sk_c2,sk_c11),sk_c12)**.
% 0.43/0.60  85[4:Spt:9.1] ||  -> equal(multiply(sk_c1,sk_c2),sk_c12)**.
% 0.43/0.60  87[4:SpL:85.0,66.1] || equal(inverse(sk_c1),sk_c2) equal(sk_c12,sk_c12) equal(multiply(sk_c2,sk_c11),sk_c12)** -> .
% 0.43/0.60  88[4:Obv:87.1] || equal(inverse(sk_c1),sk_c2) equal(multiply(sk_c2,sk_c11),sk_c12)** -> .
% 0.43/0.60  89[4:Rew:79.0,88.1,69.0,88.0] || equal(sk_c2,sk_c2) equal(sk_c12,sk_c12)* -> .
% 0.43/0.60  90[4:Obv:89.1] ||  -> .
% 0.43/0.60  91[4:Spt:90.0,9.1,85.0] || equal(multiply(sk_c1,sk_c2),sk_c12)** -> .
% 0.43/0.60  92[4:Spt:90.0,9.0] ||  -> equal(inverse(sk_c10),sk_c11)**.
% 0.43/0.60  95[4:MRR:2.1,91.0] ||  -> equal(inverse(sk_c5),sk_c6)**.
% 0.43/0.60  100[4:MRR:3.1,91.0] ||  -> equal(multiply(sk_c6,sk_c11),sk_c12)**.
% 0.43/0.60  101[4:MRR:1.1,91.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c12)**.
% 0.43/0.60  124[4:SpL:101.0,66.1] || equal(inverse(sk_c5),sk_c6) equal(sk_c12,sk_c12) equal(multiply(sk_c6,sk_c11),sk_c12)** -> .
% 0.43/0.60  125[4:Obv:124.1] || equal(inverse(sk_c5),sk_c6) equal(multiply(sk_c6,sk_c11),sk_c12)** -> .
% 0.43/0.60  126[4:Rew:100.0,125.1,95.0,125.0] || equal(sk_c6,sk_c6) equal(sk_c12,sk_c12)* -> .
% 0.43/0.60  127[4:Obv:126.1] ||  -> .
% 0.43/0.60  128[3:Spt:127.0,27.1,79.0] || equal(multiply(sk_c2,sk_c11),sk_c12)** -> .
% 0.43/0.60  129[3:Spt:127.0,27.0] ||  -> equal(inverse(sk_c8),sk_c9)**.
% 0.43/0.60  132[3:MRR:22.1,128.0] ||  -> equal(inverse(sk_c5),sk_c6)**.
% 0.43/0.60  137[3:MRR:23.1,128.0] ||  -> equal(multiply(sk_c6,sk_c11),sk_c12)**.
% 0.43/0.60  138[3:MRR:21.1,128.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c12)**.
% 0.43/0.60  161[3:SpL:138.0,66.1] || equal(inverse(sk_c5),sk_c6) equal(sk_c12,sk_c12) equal(multiply(sk_c6,sk_c11),sk_c12)** -> .
% 0.43/0.60  162[3:Obv:161.1] || equal(inverse(sk_c5),sk_c6) equal(multiply(sk_c6,sk_c11),sk_c12)** -> .
% 0.43/0.60  163[3:Rew:137.0,162.1,132.0,162.0] || equal(sk_c6,sk_c6) equal(sk_c12,sk_c12)* -> .
% 0.43/0.60  164[3:Obv:163.1] ||  -> .
% 0.43/0.60  165[2:Spt:164.0,19.1,69.0] || equal(inverse(sk_c1),sk_c2)** -> .
% 0.43/0.60  166[2:Spt:164.0,19.0] ||  -> equal(inverse(sk_c10),sk_c11)**.
% 0.43/0.60  169[2:MRR:12.1,165.0] ||  -> equal(inverse(sk_c5),sk_c6)**.
% 0.43/0.60  174[2:MRR:13.0,165.0] ||  -> equal(multiply(sk_c6,sk_c11),sk_c12)**.
% 0.43/0.60  175[2:MRR:11.0,165.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c12)**.
% 0.43/0.60  198[2:SpL:175.0,66.1] || equal(inverse(sk_c5),sk_c6) equal(sk_c12,sk_c12) equal(multiply(sk_c6,sk_c11),sk_c12)** -> .
% 0.43/0.60  199[2:Obv:198.1] || equal(inverse(sk_c5),sk_c6) equal(multiply(sk_c6,sk_c11),sk_c12)** -> .
% 0.43/0.60  200[2:Rew:174.0,199.1,169.0,199.0] || equal(sk_c6,sk_c6) equal(sk_c12,sk_c12)* -> .
% 0.43/0.60  201[2:Obv:200.1] ||  -> .
% 0.43/0.60  202[1:Spt:201.0,65.0,65.2,65.3,65.4,65.5,65.7,65.8,65.9,65.10,65.12] || equal(inverse(u),v) equal(inverse(w),sk_c11) equal(inverse(x),sk_c12) equal(inverse(y),sk_c12) equal(multiply(u,v),sk_c11)**+ equal(multiply(y,sk_c12),z)* equal(multiply(w,sk_c12),sk_c11)** equal(multiply(v,sk_c12),sk_c11)** equal(multiply(x,sk_c11),sk_c12)** equal(multiply(sk_c12,z),sk_c11)** -> .
% 0.43/0.60  203[1:SpL:62.0,202.4] || equal(inverse(identity),u) equal(inverse(v),sk_c11) equal(inverse(w),sk_c12) equal(inverse(x),sk_c12) equal(u,sk_c11) equal(multiply(x,sk_c12),y)* equal(multiply(v,sk_c12),sk_c11)** equal(multiply(u,sk_c12),sk_c11)** equal(multiply(w,sk_c11),sk_c12)** equal(multiply(sk_c12,y),sk_c11)** -> .
% 0.43/0.60  204[2:Spt:17.1] ||  -> equal(inverse(sk_c1),sk_c2)**.
% 0.43/0.60  206[3:Spt:57.1] ||  -> equal(inverse(sk_c3),sk_c12)**.
% 0.43/0.60  208[4:Spt:7.1] ||  -> equal(multiply(sk_c1,sk_c2),sk_c12)**.
% 0.43/0.60  210[4:SpL:208.0,202.4] || equal(inverse(sk_c1),sk_c2) equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(sk_c12,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c2,sk_c12),sk_c11) equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  211[4:Rew:204.0,210.0] || equal(sk_c2,sk_c2) equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(sk_c12,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c2,sk_c12),sk_c11) equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  212[4:Obv:211.0] || equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(sk_c12,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c2,sk_c12),sk_c11) equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  213[5:Spt:29.1] ||  -> equal(multiply(sk_c2,sk_c11),sk_c12)**.
% 0.43/0.60  216[6:Spt:39.1] ||  -> equal(multiply(sk_c12,sk_c4),sk_c11)**.
% 0.43/0.60  220[7:Spt:47.1] ||  -> equal(multiply(sk_c3,sk_c12),sk_c4)**.
% 0.43/0.60  222[7:SpL:220.0,202.4] || equal(inverse(sk_c3),sk_c12) equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(sk_c4,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c12,sk_c12),sk_c11)** equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  223[7:Rew:206.0,222.0] || equal(sk_c12,sk_c12) equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(sk_c4,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c12,sk_c12),sk_c11)** equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  224[7:Obv:223.0] || equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(sk_c4,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c12,sk_c12),sk_c11)** equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  226[2:SpR:204.0,63.0] ||  -> equal(multiply(sk_c2,sk_c1),identity)**.
% 0.43/0.60  227[3:SpR:206.0,63.0] ||  -> equal(multiply(sk_c12,sk_c3),identity)**.
% 0.43/0.60  232[3:SpL:227.0,202.4] || equal(inverse(sk_c12),sk_c3) equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(identity,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c3,sk_c12),sk_c11) equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  237[0:SpR:63.0,64.0] ||  -> equal(multiply(inverse(u),multiply(u,v)),multiply(identity,v))**.
% 0.43/0.60  241[3:SpR:227.0,64.0] ||  -> equal(multiply(sk_c12,multiply(sk_c3,u)),multiply(identity,u))**.
% 0.43/0.60  243[2:SpR:226.0,64.0] ||  -> equal(multiply(sk_c2,multiply(sk_c1,u)),multiply(identity,u))**.
% 0.43/0.60  245[3:Rew:62.0,241.0] ||  -> equal(multiply(sk_c12,multiply(sk_c3,u)),u)**.
% 0.43/0.60  246[2:Rew:62.0,243.0] ||  -> equal(multiply(sk_c2,multiply(sk_c1,u)),u)**.
% 0.43/0.60  247[0:Rew:62.0,237.0] ||  -> equal(multiply(inverse(u),multiply(u,v)),v)**.
% 0.43/0.60  251[7:SpR:220.0,245.0] ||  -> equal(multiply(sk_c12,sk_c4),sk_c12)**.
% 0.43/0.60  253[7:Rew:216.0,251.0] ||  -> equal(sk_c12,sk_c11)**.
% 0.43/0.60  256[7:Rew:253.0,208.0] ||  -> equal(multiply(sk_c1,sk_c2),sk_c11)**.
% 0.43/0.60  257[7:Rew:253.0,213.0] ||  -> equal(multiply(sk_c2,sk_c11),sk_c11)**.
% 0.43/0.60  258[7:Rew:253.0,216.0] ||  -> equal(multiply(sk_c11,sk_c4),sk_c11)**.
% 0.43/0.60  265[7:Rew:253.0,224.2] || equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c11) equal(sk_c4,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c12,sk_c12),sk_c11)** equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  277[7:Rew:253.0,265.8,253.0,265.7,253.0,265.6,253.0,265.5,253.0,265.4,253.0,265.1] || equal(inverse(u),sk_c11) equal(inverse(v),sk_c11) equal(inverse(w),sk_c11) equal(sk_c4,sk_c11) equal(multiply(w,sk_c11),x)* equal(multiply(u,sk_c11),sk_c11)** equal(multiply(sk_c11,sk_c11),sk_c11)** equal(multiply(v,sk_c11),sk_c11)** equal(multiply(sk_c11,x),sk_c11)** -> .
% 0.43/0.60  278[7:Con:277.1] || equal(inverse(u),sk_c11) equal(sk_c4,sk_c11) equal(multiply(u,sk_c11),sk_c11)** equal(multiply(sk_c11,sk_c11),sk_c11)** -> .
% 0.43/0.60  318[7:SpR:256.0,246.0] ||  -> equal(multiply(sk_c2,sk_c11),sk_c2)**.
% 0.43/0.60  319[7:Rew:257.0,318.0] ||  -> equal(sk_c11,sk_c2)**.
% 0.43/0.60  323[7:Rew:319.0,257.0] ||  -> equal(multiply(sk_c2,sk_c2),sk_c2)**.
% 0.43/0.60  324[7:Rew:319.0,258.0] ||  -> equal(multiply(sk_c2,sk_c4),sk_c2)**.
% 0.43/0.60  334[7:Rew:319.0,278.0] || equal(inverse(u),sk_c2) equal(sk_c4,sk_c11) equal(multiply(u,sk_c11),sk_c11)** equal(multiply(sk_c11,sk_c11),sk_c11)** -> .
% 0.43/0.60  336[7:Rew:323.0,334.3,319.0,334.3,319.0,334.2,319.0,334.1] || equal(inverse(u),sk_c2) equal(sk_c4,sk_c2) equal(multiply(u,sk_c2),sk_c2)** equal(sk_c2,sk_c2) -> .
% 0.43/0.60  337[7:Obv:336.3] || equal(inverse(u),sk_c2) equal(sk_c4,sk_c2) equal(multiply(u,sk_c2),sk_c2)** -> .
% 0.43/0.60  355[0:SpR:247.0,247.0] ||  -> equal(multiply(inverse(inverse(u)),v),multiply(u,v))**.
% 0.43/0.60  358[0:SpR:63.0,247.0] ||  -> equal(multiply(inverse(inverse(u)),identity),u)**.
% 0.43/0.60  360[2:SpR:246.0,247.0] ||  -> equal(multiply(inverse(sk_c2),u),multiply(sk_c1,u))**.
% 0.43/0.60  361[7:SpR:323.0,247.0] ||  -> equal(multiply(inverse(sk_c2),sk_c2),sk_c2)**.
% 0.43/0.60  368[7:Rew:63.0,361.0] ||  -> equal(identity,sk_c2)**.
% 0.43/0.60  369[7:Rew:368.0,62.0] ||  -> equal(multiply(sk_c2,u),u)**.
% 0.43/0.60  371[7:Rew:368.0,226.0] ||  -> equal(multiply(sk_c2,sk_c1),sk_c2)**.
% 0.43/0.60  375[7:Rew:369.0,324.0] ||  -> equal(sk_c4,sk_c2)**.
% 0.43/0.60  383[7:Rew:375.0,337.1] || equal(inverse(u),sk_c2) equal(sk_c2,sk_c2) equal(multiply(u,sk_c2),sk_c2)** -> .
% 0.43/0.60  384[7:Rew:369.0,371.0] ||  -> equal(sk_c2,sk_c1)**.
% 0.43/0.60  385[7:Rew:384.0,204.0] ||  -> equal(inverse(sk_c1),sk_c1)**.
% 0.43/0.60  391[7:Rew:384.0,368.0] ||  -> equal(identity,sk_c1)**.
% 0.43/0.60  404[7:Rew:391.0,358.0] ||  -> equal(multiply(inverse(inverse(u)),sk_c1),u)**.
% 0.43/0.60  410[7:Rew:355.0,404.0] ||  -> equal(multiply(u,sk_c1),u)**.
% 0.43/0.60  412[7:Obv:383.1] || equal(inverse(u),sk_c2) equal(multiply(u,sk_c2),sk_c2)** -> .
% 0.43/0.60  413[7:Rew:410.0,412.1,384.0,412.1,384.0,412.0] || equal(inverse(u),sk_c1)** equal(u,sk_c1) -> .
% 0.43/0.60  475[7:SpL:385.0,413.0] || equal(sk_c1,sk_c1)* equal(sk_c1,sk_c1)* -> .
% 0.43/0.60  477[7:Obv:475.1] ||  -> .
% 0.43/0.60  478[7:Spt:477.0,47.1,220.0] || equal(multiply(sk_c3,sk_c12),sk_c4)** -> .
% 0.43/0.60  479[7:Spt:477.0,47.0] ||  -> equal(inverse(sk_c8),sk_c9)**.
% 0.43/0.60  483[7:MRR:49.1,478.0] ||  -> equal(inverse(sk_c10),sk_c11)**.
% 0.43/0.60  484[0:Rew:355.0,358.0] ||  -> equal(multiply(u,identity),u)**.
% 0.43/0.60  485[7:MRR:50.1,478.0] ||  -> equal(multiply(sk_c10,sk_c12),sk_c11)**.
% 0.43/0.60  487[7:MRR:46.1,478.0] ||  -> equal(multiply(sk_c8,sk_c9),sk_c11)**.
% 0.43/0.60  506[7:SpR:485.0,247.0] ||  -> equal(multiply(inverse(sk_c10),sk_c11),sk_c12)**.
% 0.43/0.60  508[7:Rew:483.0,506.0] ||  -> equal(multiply(sk_c11,sk_c11),sk_c12)**.
% 0.43/0.60  510[3:SpR:227.0,247.0] ||  -> equal(multiply(inverse(sk_c12),identity),sk_c3)**.
% 0.43/0.60  512[3:Rew:484.0,510.0] ||  -> equal(inverse(sk_c12),sk_c3)**.
% 0.43/0.60  514[3:Rew:512.0,232.0] || equal(sk_c3,sk_c3) equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(identity,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c3,sk_c12),sk_c11) equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  517[3:Obv:514.0] || equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(identity,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c3,sk_c12),sk_c11) equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  521[6:SpR:216.0,247.0] ||  -> equal(multiply(inverse(sk_c12),sk_c11),sk_c4)**.
% 0.43/0.60  523[6:Rew:512.0,521.0] ||  -> equal(multiply(sk_c3,sk_c11),sk_c4)**.
% 0.43/0.60  525[5:SpR:213.0,247.0] ||  -> equal(multiply(inverse(sk_c2),sk_c12),sk_c11)**.
% 0.43/0.60  527[5:Rew:360.0,525.0] ||  -> equal(multiply(sk_c1,sk_c12),sk_c11)**.
% 0.43/0.60  534[4:SpR:208.0,247.0] ||  -> equal(multiply(inverse(sk_c1),sk_c12),sk_c2)**.
% 0.43/0.60  536[4:Rew:204.0,534.0] ||  -> equal(multiply(sk_c2,sk_c12),sk_c2)**.
% 0.43/0.60  537[4:Rew:536.0,212.6] || equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(sk_c12,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(sk_c11,sk_c2) equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  544[7:SpR:487.0,247.0] ||  -> equal(multiply(inverse(sk_c8),sk_c11),sk_c9)**.
% 0.43/0.60  546[7:Rew:479.0,544.0] ||  -> equal(multiply(sk_c9,sk_c11),sk_c9)**.
% 0.43/0.60  577[7:SpR:546.0,247.0] ||  -> equal(multiply(inverse(sk_c9),sk_c9),sk_c11)**.
% 0.43/0.60  579[7:Rew:63.0,577.0] ||  -> equal(identity,sk_c11)**.
% 0.43/0.60  581[7:Rew:579.0,226.0] ||  -> equal(multiply(sk_c2,sk_c1),sk_c11)**.
% 0.43/0.60  582[7:Rew:579.0,62.0] ||  -> equal(multiply(sk_c11,u),u)**.
% 0.43/0.60  586[7:Rew:579.0,484.0] ||  -> equal(multiply(u,sk_c11),u)**.
% 0.43/0.60  590[7:Rew:582.0,508.0] ||  -> equal(sk_c12,sk_c11)**.
% 0.43/0.60  607[7:Rew:590.0,216.0] ||  -> equal(multiply(sk_c11,sk_c4),sk_c11)**.
% 0.43/0.60  608[7:Rew:590.0,213.0] ||  -> equal(multiply(sk_c2,sk_c11),sk_c11)**.
% 0.43/0.60  616[7:Rew:590.0,478.0] || equal(multiply(sk_c3,sk_c11),sk_c4)** -> .
% 0.43/0.60  634[7:Rew:586.0,523.0] ||  -> equal(sk_c3,sk_c4)**.
% 0.43/0.60  637[7:Rew:582.0,607.0] ||  -> equal(sk_c4,sk_c11)**.
% 0.43/0.60  638[7:Rew:637.0,634.0] ||  -> equal(sk_c3,sk_c11)**.
% 0.43/0.60  641[7:Rew:586.0,608.0] ||  -> equal(sk_c11,sk_c2)**.
% 0.43/0.60  645[7:Rew:641.0,581.0] ||  -> equal(multiply(sk_c2,sk_c1),sk_c2)**.
% 0.43/0.60  646[7:Rew:641.0,582.0] ||  -> equal(multiply(sk_c2,u),u)**.
% 0.43/0.60  650[7:Rew:641.0,637.0] ||  -> equal(sk_c4,sk_c2)**.
% 0.43/0.60  651[7:Rew:641.0,638.0] ||  -> equal(sk_c3,sk_c2)**.
% 0.43/0.60  668[7:Rew:646.0,645.0] ||  -> equal(sk_c2,sk_c1)**.
% 0.43/0.60  669[7:Rew:646.0,246.0] ||  -> equal(multiply(sk_c1,u),u)**.
% 0.43/0.60  671[7:Rew:668.0,641.0] ||  -> equal(sk_c11,sk_c1)**.
% 0.43/0.60  674[7:Rew:668.0,650.0] ||  -> equal(sk_c4,sk_c1)**.
% 0.43/0.60  675[7:Rew:668.0,651.0] ||  -> equal(sk_c3,sk_c1)**.
% 0.43/0.60  699[7:Rew:669.0,616.0,675.0,616.0,671.0,616.0,674.0,616.0] || equal(sk_c1,sk_c1)* -> .
% 0.43/0.60  700[7:Obv:699.0] ||  -> .
% 0.43/0.60  755[6:Spt:700.0,39.1,216.0] || equal(multiply(sk_c12,sk_c4),sk_c11)** -> .
% 0.43/0.60  756[6:Spt:700.0,39.0] ||  -> equal(inverse(sk_c10),sk_c11)**.
% 0.43/0.60  759[6:MRR:37.1,755.0] ||  -> equal(inverse(sk_c8),sk_c9)**.
% 0.43/0.60  760[6:MRR:40.1,755.0] ||  -> equal(multiply(sk_c10,sk_c12),sk_c11)**.
% 0.43/0.60  762[6:MRR:36.1,755.0] ||  -> equal(multiply(sk_c8,sk_c9),sk_c11)**.
% 0.43/0.60  786[6:SpR:760.0,247.0] ||  -> equal(multiply(inverse(sk_c10),sk_c11),sk_c12)**.
% 0.43/0.60  788[6:Rew:756.0,786.0] ||  -> equal(multiply(sk_c11,sk_c11),sk_c12)**.
% 0.43/0.60  814[6:SpR:762.0,247.0] ||  -> equal(multiply(inverse(sk_c8),sk_c11),sk_c9)**.
% 0.43/0.60  816[6:Rew:759.0,814.0] ||  -> equal(multiply(sk_c9,sk_c11),sk_c9)**.
% 0.43/0.60  832[6:SpR:816.0,247.0] ||  -> equal(multiply(inverse(sk_c9),sk_c9),sk_c11)**.
% 0.43/0.60  834[6:Rew:63.0,832.0] ||  -> equal(identity,sk_c11)**.
% 0.43/0.60  837[6:Rew:834.0,62.0] ||  -> equal(multiply(sk_c11,u),u)**.
% 0.43/0.60  838[6:Rew:834.0,484.0] ||  -> equal(multiply(u,sk_c11),u)**.
% 0.43/0.60  845[6:Rew:837.0,788.0] ||  -> equal(sk_c12,sk_c11)**.
% 0.43/0.60  861[6:Rew:845.0,527.0] ||  -> equal(multiply(sk_c1,sk_c11),sk_c11)**.
% 0.43/0.60  862[6:Rew:845.0,208.0] ||  -> equal(multiply(sk_c1,sk_c2),sk_c11)**.
% 0.43/0.60  874[6:Rew:845.0,537.1] || equal(inverse(u),sk_c11) equal(inverse(v),sk_c11) equal(inverse(w),sk_c12) equal(sk_c12,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(sk_c11,sk_c2) equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  885[6:Rew:838.0,861.0] ||  -> equal(sk_c11,sk_c1)**.
% 0.43/0.60  890[6:Rew:885.0,837.0] ||  -> equal(multiply(sk_c1,u),u)**.
% 0.43/0.60  891[6:Rew:885.0,845.0] ||  -> equal(sk_c12,sk_c1)**.
% 0.43/0.60  895[6:Rew:885.0,838.0] ||  -> equal(multiply(u,sk_c1),u)**.
% 0.43/0.60  899[6:Rew:885.0,862.0] ||  -> equal(multiply(sk_c1,sk_c2),sk_c1)**.
% 0.43/0.60  912[6:Rew:890.0,899.0] ||  -> equal(sk_c2,sk_c1)**.
% 0.43/0.60  914[6:Rew:912.0,204.0] ||  -> equal(inverse(sk_c1),sk_c1)**.
% 0.43/0.60  952[6:Rew:890.0,874.8,891.0,874.8,885.0,874.8,895.0,874.7,885.0,874.7,891.0,874.7,885.0,874.6,912.0,874.6,895.0,874.5,891.0,874.5,885.0,874.5,895.0,874.4,891.0,874.4,891.0,874.3,885.0,874.3,891.0,874.2,885.0,874.1,885.0,874.0] || equal(inverse(u),sk_c1)** equal(inverse(v),sk_c1)** equal(inverse(w),sk_c1)** equal(sk_c1,sk_c1) equal(w,x)* equal(u,sk_c1) equal(sk_c1,sk_c1) equal(v,sk_c1) equal(x,sk_c1)* -> .
% 0.43/0.60  953[6:Obv:952.6] || equal(inverse(u),sk_c1)** equal(inverse(v),sk_c1)** equal(inverse(w),sk_c1)** equal(w,x)* equal(u,sk_c1) equal(v,sk_c1) equal(x,sk_c1)* -> .
% 0.43/0.60  954[6:Con:953.1] || equal(inverse(u),sk_c1)**+ equal(inverse(v),sk_c1)** equal(v,w)* equal(u,sk_c1) equal(w,sk_c1)* -> .
% 0.43/0.60  1256[6:SpL:914.0,954.0] || equal(sk_c1,sk_c1) equal(inverse(u),sk_c1)** equal(u,v)* equal(sk_c1,sk_c1) equal(v,sk_c1)* -> .
% 0.43/0.60  1259[6:Obv:1256.3] || equal(inverse(u),sk_c1)**+ equal(u,v)* equal(v,sk_c1)* -> .
% 0.43/0.60  1304[6:SpL:914.0,1259.0] || equal(sk_c1,sk_c1)* equal(sk_c1,u)* equal(u,sk_c1)* -> .
% 0.43/0.60  1308[6:Obv:1304.1] || equal(u,sk_c1)* -> .
% 0.43/0.60  1309[6:AED:1308.0] ||  -> .
% 0.43/0.60  1310[5:Spt:1309.0,29.1,213.0] || equal(multiply(sk_c2,sk_c11),sk_c12)** -> .
% 0.43/0.60  1311[5:Spt:1309.0,29.0] ||  -> equal(inverse(sk_c10),sk_c11)**.
% 0.43/0.60  1313[5:MRR:24.1,1310.0] ||  -> equal(inverse(sk_c7),sk_c12)**.
% 0.43/0.60  1314[5:MRR:22.1,1310.0] ||  -> equal(inverse(sk_c5),sk_c6)**.
% 0.43/0.60  1315[5:MRR:27.1,1310.0] ||  -> equal(inverse(sk_c8),sk_c9)**.
% 0.43/0.60  1316[5:MRR:30.1,1310.0] ||  -> equal(multiply(sk_c10,sk_c12),sk_c11)**.
% 0.43/0.60  1317[5:MRR:28.1,1310.0] ||  -> equal(multiply(sk_c9,sk_c12),sk_c11)**.
% 0.43/0.60  1318[5:MRR:26.1,1310.0] ||  -> equal(multiply(sk_c8,sk_c9),sk_c11)**.
% 0.43/0.60  1319[5:MRR:25.1,1310.0] ||  -> equal(multiply(sk_c7,sk_c11),sk_c12)**.
% 0.43/0.60  1320[5:MRR:23.1,1310.0] ||  -> equal(multiply(sk_c6,sk_c11),sk_c12)**.
% 0.43/0.60  1321[5:MRR:21.1,1310.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c12)**.
% 0.43/0.60  1340[5:SpR:1314.0,247.0] ||  -> equal(multiply(sk_c6,multiply(sk_c5,u)),u)**.
% 0.43/0.60  1350[5:SpR:1316.0,247.0] ||  -> equal(multiply(inverse(sk_c10),sk_c11),sk_c12)**.
% 0.43/0.60  1352[5:Rew:1311.0,1350.0] ||  -> equal(multiply(sk_c11,sk_c11),sk_c12)**.
% 0.43/0.60  1370[5:SpR:1318.0,247.0] ||  -> equal(multiply(inverse(sk_c8),sk_c11),sk_c9)**.
% 0.43/0.60  1372[5:Rew:1315.0,1370.0] ||  -> equal(multiply(sk_c9,sk_c11),sk_c9)**.
% 0.43/0.60  1391[5:SpR:1372.0,247.0] ||  -> equal(multiply(inverse(sk_c9),sk_c9),sk_c11)**.
% 0.43/0.60  1393[5:Rew:63.0,1391.0] ||  -> equal(identity,sk_c11)**.
% 0.43/0.60  1396[5:Rew:1393.0,62.0] ||  -> equal(multiply(sk_c11,u),u)**.
% 0.43/0.60  1397[5:Rew:1393.0,484.0] ||  -> equal(multiply(u,sk_c11),u)**.
% 0.43/0.60  1403[5:Rew:1393.0,517.3] || equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(sk_c11,sk_c11) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c3,sk_c12),sk_c11) equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  1404[5:Rew:1396.0,1352.0] ||  -> equal(sk_c12,sk_c11)**.
% 0.43/0.60  1413[5:Rew:1404.0,512.0] ||  -> equal(inverse(sk_c11),sk_c3)**.
% 0.43/0.60  1414[5:Rew:1404.0,1313.0] ||  -> equal(inverse(sk_c7),sk_c11)**.
% 0.43/0.60  1418[5:Rew:1404.0,1317.0] ||  -> equal(multiply(sk_c9,sk_c11),sk_c11)**.
% 0.43/0.60  1419[5:Rew:1404.0,1319.0] ||  -> equal(multiply(sk_c7,sk_c11),sk_c11)**.
% 0.43/0.60  1420[5:Rew:1404.0,1320.0] ||  -> equal(multiply(sk_c6,sk_c11),sk_c11)**.
% 0.43/0.60  1421[5:Rew:1404.0,1321.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c11)**.
% 0.43/0.60  1439[5:Rew:1397.0,1418.0] ||  -> equal(sk_c9,sk_c11)**.
% 0.43/0.60  1440[5:Rew:1439.0,1315.0] ||  -> equal(inverse(sk_c8),sk_c11)**.
% 0.43/0.60  1441[5:Rew:1439.0,1318.0] ||  -> equal(multiply(sk_c8,sk_c11),sk_c11)**.
% 0.43/0.60  1443[5:Rew:1397.0,1419.0] ||  -> equal(sk_c7,sk_c11)**.
% 0.43/0.60  1444[5:Rew:1443.0,1414.0] ||  -> equal(inverse(sk_c11),sk_c11)**.
% 0.43/0.60  1445[5:Rew:1413.0,1444.0] ||  -> equal(sk_c3,sk_c11)**.
% 0.43/0.60  1448[5:Rew:1397.0,1420.0] ||  -> equal(sk_c11,sk_c6)**.
% 0.43/0.60  1452[5:Rew:1448.0,1396.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.43/0.60  1453[5:Rew:1448.0,1404.0] ||  -> equal(sk_c12,sk_c6)**.
% 0.43/0.60  1454[5:Rew:1448.0,1397.0] ||  -> equal(multiply(u,sk_c6),u)**.
% 0.43/0.60  1457[5:Rew:1448.0,1440.0] ||  -> equal(inverse(sk_c8),sk_c6)**.
% 0.43/0.60  1459[5:Rew:1448.0,1445.0] ||  -> equal(sk_c3,sk_c6)**.
% 0.43/0.60  1461[5:Rew:1448.0,1421.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c6)**.
% 0.43/0.60  1465[5:Rew:1448.0,1441.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c6)**.
% 0.43/0.60  1466[5:Rew:1452.0,1340.0] ||  -> equal(multiply(sk_c5,u),u)**.
% 0.43/0.60  1467[5:Rew:1454.0,1465.0] ||  -> equal(sk_c8,sk_c6)**.
% 0.43/0.60  1468[5:Rew:1454.0,1461.0] ||  -> equal(sk_c6,sk_c5)**.
% 0.43/0.60  1469[5:Rew:1467.0,1457.0] ||  -> equal(inverse(sk_c6),sk_c6)**.
% 0.43/0.60  1471[5:Rew:1468.0,1448.0] ||  -> equal(sk_c11,sk_c5)**.
% 0.43/0.60  1473[5:Rew:1468.0,1453.0] ||  -> equal(sk_c12,sk_c5)**.
% 0.43/0.60  1476[5:Rew:1468.0,1459.0] ||  -> equal(sk_c3,sk_c5)**.
% 0.43/0.60  1481[5:Rew:1468.0,1454.0] ||  -> equal(multiply(u,sk_c5),u)**.
% 0.43/0.60  1483[5:Rew:1468.0,1469.0] ||  -> equal(inverse(sk_c5),sk_c5)**.
% 0.43/0.60  1508[5:Obv:1403.3] || equal(inverse(u),sk_c11) equal(inverse(v),sk_c12) equal(inverse(w),sk_c12) equal(multiply(w,sk_c12),x)* equal(multiply(u,sk_c12),sk_c11)** equal(multiply(sk_c3,sk_c12),sk_c11) equal(multiply(v,sk_c11),sk_c12)** equal(multiply(sk_c12,x),sk_c11)** -> .
% 0.43/0.60  1509[5:Rew:1466.0,1508.7,1473.0,1508.7,1471.0,1508.7,1481.0,1508.6,1471.0,1508.6,1473.0,1508.6,1476.0,1508.5,1481.0,1508.5,1473.0,1508.5,1471.0,1508.5,1481.0,1508.4,1473.0,1508.4,1471.0,1508.4,1481.0,1508.3,1473.0,1508.3,1473.0,1508.2,1473.0,1508.1,1471.0,1508.0] || equal(inverse(u),sk_c5)** equal(inverse(v),sk_c5)** equal(inverse(w),sk_c5)** equal(w,x)* equal(u,sk_c5) equal(sk_c5,sk_c5) equal(v,sk_c5) equal(x,sk_c5)* -> .
% 0.43/0.60  1510[5:Obv:1509.5] || equal(inverse(u),sk_c5)** equal(inverse(v),sk_c5)** equal(inverse(w),sk_c5)** equal(w,x)* equal(u,sk_c5) equal(v,sk_c5) equal(x,sk_c5)* -> .
% 0.43/0.60  1511[5:Con:1510.1] || equal(inverse(u),sk_c5)**+ equal(inverse(v),sk_c5)** equal(v,w)* equal(u,sk_c5) equal(w,sk_c5)* -> .
% 0.43/0.60  1608[0:SpR:355.0,247.0] ||  -> equal(multiply(u,multiply(inverse(u),v)),v)**.
% 0.43/0.60  1792[5:SpL:1483.0,1511.0] || equal(sk_c5,sk_c5) equal(inverse(u),sk_c5)** equal(u,v)* equal(sk_c5,sk_c5) equal(v,sk_c5)* -> .
% 0.43/0.60  1795[5:Obv:1792.3] || equal(inverse(u),sk_c5)**+ equal(u,v)* equal(v,sk_c5)* -> .
% 0.43/0.60  2097[5:SpL:1483.0,1795.0] || equal(sk_c5,sk_c5)* equal(sk_c5,u)* equal(u,sk_c5)* -> .
% 0.43/0.60  2102[5:Obv:2097.1] || equal(u,sk_c5)* -> .
% 0.43/0.60  2103[5:AED:2102.0] ||  -> .
% 0.43/0.60  2104[4:Spt:2103.0,7.1,208.0] || equal(multiply(sk_c1,sk_c2),sk_c12)** -> .
% 0.43/0.60  2105[4:Spt:2103.0,7.0] ||  -> equal(inverse(sk_c8),sk_c9)**.
% 0.43/0.60  2111[4:MRR:9.1,2104.0] ||  -> equal(inverse(sk_c10),sk_c11)**.
% 0.43/0.60  2113[4:MRR:2.1,2104.0] ||  -> equal(inverse(sk_c5),sk_c6)**.
% 0.43/0.60  2115[4:MRR:10.1,2104.0] ||  -> equal(multiply(sk_c10,sk_c12),sk_c11)**.
% 0.43/0.60  2117[4:MRR:6.1,2104.0] ||  -> equal(multiply(sk_c8,sk_c9),sk_c11)**.
% 0.43/0.60  2119[4:MRR:3.1,2104.0] ||  -> equal(multiply(sk_c6,sk_c11),sk_c12)**.
% 0.43/0.60  2120[4:MRR:1.1,2104.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c12)**.
% 0.43/0.60  2130[4:SpR:2105.0,1608.0] ||  -> equal(multiply(sk_c8,multiply(sk_c9,u)),u)**.
% 0.43/0.60  2138[4:SpR:2111.0,247.0] ||  -> equal(multiply(sk_c11,multiply(sk_c10,u)),u)**.
% 0.43/0.60  2144[4:SpR:2113.0,247.0] ||  -> equal(multiply(sk_c6,multiply(sk_c5,u)),u)**.
% 0.43/0.60  2158[4:SpR:2115.0,247.0] ||  -> equal(multiply(inverse(sk_c10),sk_c11),sk_c12)**.
% 0.43/0.60  2160[4:Rew:2111.0,2158.0] ||  -> equal(multiply(sk_c11,sk_c11),sk_c12)**.
% 0.43/0.60  2164[4:SpR:2117.0,64.0] ||  -> equal(multiply(sk_c8,multiply(sk_c9,u)),multiply(sk_c11,u))**.
% 0.43/0.60  2168[4:Rew:2130.0,2164.0] ||  -> equal(multiply(sk_c11,u),u)**.
% 0.43/0.60  2169[4:Rew:2168.0,2160.0] ||  -> equal(sk_c12,sk_c11)**.
% 0.43/0.60  2170[4:Rew:2168.0,2138.0] ||  -> equal(multiply(sk_c10,u),u)**.
% 0.43/0.60  2177[4:Rew:2169.0,227.0] ||  -> equal(multiply(sk_c11,sk_c3),identity)**.
% 0.43/0.60  2180[4:Rew:2169.0,2104.0] || equal(multiply(sk_c1,sk_c2),sk_c11)** -> .
% 0.43/0.60  2185[4:Rew:2169.0,2119.0] ||  -> equal(multiply(sk_c6,sk_c11),sk_c11)**.
% 0.43/0.60  2186[4:Rew:2169.0,2120.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c11)**.
% 0.43/0.60  2196[4:Rew:2168.0,2177.0] ||  -> equal(identity,sk_c3)**.
% 0.43/0.60  2199[4:Rew:2196.0,484.0] ||  -> equal(multiply(u,sk_c3),u)**.
% 0.43/0.60  2257[4:SpR:2185.0,64.0] ||  -> equal(multiply(sk_c6,multiply(sk_c11,u)),multiply(sk_c11,u))**.
% 0.43/0.60  2260[4:Rew:2168.0,2257.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.43/0.60  2261[4:Rew:2260.0,2144.0] ||  -> equal(multiply(sk_c5,u),u)**.
% 0.43/0.60  2263[4:Rew:2261.0,2186.0] ||  -> equal(sk_c11,sk_c6)**.
% 0.43/0.60  2272[4:Rew:2263.0,2180.0] || equal(multiply(sk_c1,sk_c2),sk_c6)** -> .
% 0.43/0.60  2335[4:SpR:2199.0,2170.0] ||  -> equal(sk_c3,sk_c10)**.
% 0.43/0.60  2341[4:Rew:2335.0,2199.0] ||  -> equal(multiply(u,sk_c10),u)**.
% 0.43/0.60  2402[4:SpR:2341.0,247.0] ||  -> equal(multiply(inverse(u),u),sk_c10)**.
% 0.43/0.60  2408[4:SpR:2341.0,2260.0] ||  -> equal(sk_c10,sk_c6)**.
% 0.43/0.60  2411[4:SpR:2341.0,2261.0] ||  -> equal(sk_c10,sk_c5)**.
% 0.43/0.60  2419[4:Rew:2408.0,2341.0] ||  -> equal(multiply(u,sk_c6),u)**.
% 0.43/0.60  2429[4:Rew:2408.0,2411.0] ||  -> equal(sk_c6,sk_c5)**.
% 0.43/0.60  2434[4:Rew:2429.0,2272.0] || equal(multiply(sk_c1,sk_c2),sk_c5)** -> .
% 0.43/0.60  2442[4:Rew:2429.0,2408.0] ||  -> equal(sk_c10,sk_c5)**.
% 0.43/0.60  2454[4:Rew:2429.0,2419.0] ||  -> equal(multiply(u,sk_c5),u)**.
% 0.43/0.60  2457[4:Rew:2442.0,2402.0] ||  -> equal(multiply(inverse(u),u),sk_c5)**.
% 0.43/0.60  2508[4:SpR:355.0,2454.0] ||  -> equal(multiply(u,sk_c5),inverse(inverse(u)))**.
% 0.43/0.60  2514[4:Rew:2454.0,2508.0] ||  -> equal(inverse(inverse(u)),u)**.
% 0.43/0.60  2525[4:SpR:204.0,2514.0] ||  -> equal(inverse(sk_c2),sk_c1)**.
% 0.43/0.60  2540[4:SpR:2525.0,2457.0] ||  -> equal(multiply(sk_c1,sk_c2),sk_c5)**.
% 0.43/0.60  2541[4:MRR:2540.0,2434.0] ||  -> .
% 0.43/0.60  2544[3:Spt:2541.0,57.1,206.0] || equal(inverse(sk_c3),sk_c12)** -> .
% 0.43/0.60  2545[3:Spt:2541.0,57.0] ||  -> equal(inverse(sk_c8),sk_c9)**.
% 0.43/0.60  2547[3:MRR:52.1,2544.0] ||  -> equal(inverse(sk_c5),sk_c6)**.
% 0.43/0.60  2548[3:MRR:59.1,2544.0] ||  -> equal(inverse(sk_c10),sk_c11)**.
% 0.43/0.60  2549[3:MRR:60.0,2544.0] ||  -> equal(multiply(sk_c10,sk_c12),sk_c11)**.
% 0.43/0.60  2550[3:MRR:58.0,2544.0] ||  -> equal(multiply(sk_c9,sk_c12),sk_c11)**.
% 0.43/0.60  2551[3:MRR:56.0,2544.0] ||  -> equal(multiply(sk_c8,sk_c9),sk_c11)**.
% 0.43/0.60  2553[3:MRR:53.0,2544.0] ||  -> equal(multiply(sk_c6,sk_c11),sk_c12)**.
% 0.43/0.60  2554[3:MRR:51.0,2544.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c12)**.
% 0.43/0.60  2559[3:SpR:2545.0,1608.0] ||  -> equal(multiply(sk_c8,multiply(sk_c9,u)),u)**.
% 0.43/0.60  2564[3:SpR:2547.0,247.0] ||  -> equal(multiply(sk_c6,multiply(sk_c5,u)),u)**.
% 0.43/0.60  2576[3:SpR:2549.0,247.0] ||  -> equal(multiply(inverse(sk_c10),sk_c11),sk_c12)**.
% 0.43/0.60  2578[3:Rew:2548.0,2576.0] ||  -> equal(multiply(sk_c11,sk_c11),sk_c12)**.
% 0.43/0.60  2580[3:SpR:2550.0,247.0] ||  -> equal(multiply(inverse(sk_c9),sk_c11),sk_c12)**.
% 0.43/0.60  2582[3:SpR:2551.0,64.0] ||  -> equal(multiply(sk_c8,multiply(sk_c9,u)),multiply(sk_c11,u))**.
% 0.43/0.60  2583[3:SpR:2551.0,247.0] ||  -> equal(multiply(inverse(sk_c8),sk_c11),sk_c9)**.
% 0.43/0.60  2585[3:Rew:2545.0,2583.0] ||  -> equal(multiply(sk_c9,sk_c11),sk_c9)**.
% 0.43/0.60  2586[3:Rew:2559.0,2582.0] ||  -> equal(multiply(sk_c11,u),u)**.
% 0.43/0.60  2587[3:Rew:2586.0,2578.0] ||  -> equal(sk_c12,sk_c11)**.
% 0.43/0.60  2595[3:Rew:2587.0,2550.0] ||  -> equal(multiply(sk_c9,sk_c11),sk_c11)**.
% 0.43/0.60  2597[3:Rew:2587.0,2553.0] ||  -> equal(multiply(sk_c6,sk_c11),sk_c11)**.
% 0.43/0.60  2598[3:Rew:2587.0,2554.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c11)**.
% 0.43/0.60  2601[3:Rew:2587.0,203.2] || equal(inverse(identity),u) equal(inverse(v),sk_c11) equal(inverse(w),sk_c11) equal(inverse(x),sk_c12) equal(u,sk_c11) equal(multiply(x,sk_c12),y)* equal(multiply(v,sk_c12),sk_c11)** equal(multiply(u,sk_c12),sk_c11)** equal(multiply(w,sk_c11),sk_c12)** equal(multiply(sk_c12,y),sk_c11)** -> .
% 0.43/0.60  2606[3:Rew:2587.0,2580.0] ||  -> equal(multiply(inverse(sk_c9),sk_c11),sk_c11)**.
% 0.43/0.60  2607[3:Rew:2585.0,2595.0] ||  -> equal(sk_c9,sk_c11)**.
% 0.43/0.60  2613[3:Rew:63.0,2606.0,2607.0,2606.0] ||  -> equal(identity,sk_c11)**.
% 0.43/0.60  2615[3:Rew:2613.0,484.0] ||  -> equal(multiply(u,sk_c11),u)**.
% 0.43/0.60  2616[3:Rew:2613.0,62.0] ||  -> equal(multiply(sk_c11,u),u)**.
% 0.43/0.60  2620[3:Rew:2615.0,2597.0] ||  -> equal(sk_c11,sk_c6)**.
% 0.43/0.60  2625[3:Rew:2620.0,2587.0] ||  -> equal(sk_c12,sk_c6)**.
% 0.43/0.60  2629[3:Rew:2620.0,2598.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c6)**.
% 0.43/0.60  2630[3:Rew:2620.0,2613.0] ||  -> equal(identity,sk_c6)**.
% 0.43/0.60  2632[3:Rew:2620.0,2615.0] ||  -> equal(multiply(u,sk_c6),u)**.
% 0.43/0.60  2637[3:Rew:2620.0,2616.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.43/0.60  2638[3:Rew:2637.0,2564.0] ||  -> equal(multiply(sk_c5,u),u)**.
% 0.43/0.60  2640[3:Rew:2632.0,2629.0] ||  -> equal(sk_c6,sk_c5)**.
% 0.43/0.60  2641[3:Rew:2640.0,2547.0] ||  -> equal(inverse(sk_c5),sk_c5)**.
% 0.43/0.60  2642[3:Rew:2640.0,2620.0] ||  -> equal(sk_c11,sk_c5)**.
% 0.43/0.60  2644[3:Rew:2640.0,2625.0] ||  -> equal(sk_c12,sk_c5)**.
% 0.43/0.60  2646[3:Rew:2640.0,2630.0] ||  -> equal(identity,sk_c5)**.
% 0.43/0.60  2653[3:Rew:2640.0,2632.0] ||  -> equal(multiply(u,sk_c5),u)**.
% 0.43/0.60  2665[3:Rew:2638.0,2601.9,2644.0,2601.9,2642.0,2601.9,2653.0,2601.8,2642.0,2601.8,2644.0,2601.8,2653.0,2601.7,2644.0,2601.7,2642.0,2601.7,2653.0,2601.6,2644.0,2601.6,2642.0,2601.6,2653.0,2601.5,2644.0,2601.5,2642.0,2601.4,2644.0,2601.3,2642.0,2601.2,2642.0,2601.1,2641.0,2601.0,2646.0,2601.0] || equal(sk_c5,u)* equal(inverse(v),sk_c5)** equal(inverse(w),sk_c5)** equal(inverse(x),sk_c5)** equal(u,sk_c5)* equal(x,y)* equal(v,sk_c5) equal(u,sk_c5)* equal(w,sk_c5) equal(y,sk_c5)* -> .
% 0.43/0.60  2666[3:Obv:2665.4] || equal(inverse(u),sk_c5)** equal(inverse(v),sk_c5)** equal(inverse(w),sk_c5)** equal(w,x)* equal(u,sk_c5) equal(y,sk_c5)* equal(v,sk_c5) equal(x,sk_c5)* -> .
% 0.43/0.60  2667[3:Con:2666.1] || equal(inverse(u),sk_c5)**+ equal(inverse(v),sk_c5)** equal(v,w)* equal(u,sk_c5) equal(w,sk_c5)* -> .
% 0.43/0.61  2754[3:SpL:2641.0,2667.0] || equal(sk_c5,sk_c5) equal(inverse(u),sk_c5)** equal(u,v)* equal(sk_c5,sk_c5) equal(v,sk_c5)* -> .
% 0.43/0.61  2755[3:Obv:2754.3] || equal(inverse(u),sk_c5)**+ equal(u,v)* equal(v,sk_c5)* -> .
% 0.43/0.61  2843[3:SpL:2641.0,2755.0] || equal(sk_c5,sk_c5)* equal(sk_c5,u)* equal(u,sk_c5)* -> .
% 0.43/0.61  2846[3:Obv:2843.1] || equal(u,sk_c5)* -> .
% 0.43/0.61  2847[3:AED:2846.0] ||  -> .
% 0.43/0.61  2848[2:Spt:2847.0,17.1,204.0] || equal(inverse(sk_c1),sk_c2)** -> .
% 0.43/0.61  2849[2:Spt:2847.0,17.0] ||  -> equal(inverse(sk_c8),sk_c9)**.
% 0.43/0.61  2851[2:MRR:12.1,2848.0] ||  -> equal(inverse(sk_c5),sk_c6)**.
% 0.43/0.61  2852[2:MRR:19.1,2848.0] ||  -> equal(inverse(sk_c10),sk_c11)**.
% 0.43/0.61  2853[2:MRR:20.0,2848.0] ||  -> equal(multiply(sk_c10,sk_c12),sk_c11)**.
% 0.43/0.61  2854[2:MRR:18.0,2848.0] ||  -> equal(multiply(sk_c9,sk_c12),sk_c11)**.
% 0.43/0.61  2855[2:MRR:16.0,2848.0] ||  -> equal(multiply(sk_c8,sk_c9),sk_c11)**.
% 0.43/0.61  2857[2:MRR:13.0,2848.0] ||  -> equal(multiply(sk_c6,sk_c11),sk_c12)**.
% 0.43/0.61  2858[2:MRR:11.0,2848.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c12)**.
% 0.43/0.61  2860[2:SpR:2849.0,1608.0] ||  -> equal(multiply(sk_c8,multiply(sk_c9,u)),u)**.
% 0.43/0.61  2865[2:SpR:2851.0,247.0] ||  -> equal(multiply(sk_c6,multiply(sk_c5,u)),u)**.
% 0.43/0.61  2872[2:SpR:2853.0,247.0] ||  -> equal(multiply(inverse(sk_c10),sk_c11),sk_c12)**.
% 0.43/0.61  2874[2:Rew:2852.0,2872.0] ||  -> equal(multiply(sk_c11,sk_c11),sk_c12)**.
% 0.43/0.61  2876[2:SpR:2854.0,247.0] ||  -> equal(multiply(inverse(sk_c9),sk_c11),sk_c12)**.
% 0.43/0.61  2878[2:SpR:2855.0,64.0] ||  -> equal(multiply(sk_c8,multiply(sk_c9,u)),multiply(sk_c11,u))**.
% 0.43/0.61  2879[2:SpR:2855.0,247.0] ||  -> equal(multiply(inverse(sk_c8),sk_c11),sk_c9)**.
% 0.43/0.61  2881[2:Rew:2849.0,2879.0] ||  -> equal(multiply(sk_c9,sk_c11),sk_c9)**.
% 0.43/0.61  2882[2:Rew:2860.0,2878.0] ||  -> equal(multiply(sk_c11,u),u)**.
% 0.43/0.61  2883[2:Rew:2882.0,2874.0] ||  -> equal(sk_c12,sk_c11)**.
% 0.43/0.61  2890[2:Rew:2883.0,2854.0] ||  -> equal(multiply(sk_c9,sk_c11),sk_c11)**.
% 0.43/0.61  2892[2:Rew:2883.0,2857.0] ||  -> equal(multiply(sk_c6,sk_c11),sk_c11)**.
% 0.43/0.61  2893[2:Rew:2883.0,2858.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c11)**.
% 0.43/0.61  2895[2:Rew:2883.0,203.2] || equal(inverse(identity),u) equal(inverse(v),sk_c11) equal(inverse(w),sk_c11) equal(inverse(x),sk_c12) equal(u,sk_c11) equal(multiply(x,sk_c12),y)* equal(multiply(v,sk_c12),sk_c11)** equal(multiply(u,sk_c12),sk_c11)** equal(multiply(w,sk_c11),sk_c12)** equal(multiply(sk_c12,y),sk_c11)** -> .
% 0.43/0.61  2900[2:Rew:2883.0,2876.0] ||  -> equal(multiply(inverse(sk_c9),sk_c11),sk_c11)**.
% 0.43/0.61  2901[2:Rew:2881.0,2890.0] ||  -> equal(sk_c9,sk_c11)**.
% 0.43/0.61  2907[2:Rew:63.0,2900.0,2901.0,2900.0] ||  -> equal(identity,sk_c11)**.
% 0.43/0.61  2909[2:Rew:2907.0,484.0] ||  -> equal(multiply(u,sk_c11),u)**.
% 0.43/0.61  2913[2:Rew:2909.0,2892.0] ||  -> equal(sk_c11,sk_c6)**.
% 0.43/0.61  2917[2:Rew:2913.0,2882.0] ||  -> equal(multiply(sk_c6,u),u)**.
% 0.43/0.61  2918[2:Rew:2913.0,2883.0] ||  -> equal(sk_c12,sk_c6)**.
% 0.43/0.61  2921[2:Rew:2913.0,2893.0] ||  -> equal(multiply(sk_c5,sk_c6),sk_c6)**.
% 0.43/0.61  2922[2:Rew:2913.0,2907.0] ||  -> equal(identity,sk_c6)**.
% 0.43/0.61  2923[2:Rew:2913.0,2909.0] ||  -> equal(multiply(u,sk_c6),u)**.
% 0.43/0.61  2928[2:Rew:2917.0,2865.0] ||  -> equal(multiply(sk_c5,u),u)**.
% 0.43/0.61  2930[2:Rew:2923.0,2921.0] ||  -> equal(sk_c6,sk_c5)**.
% 0.43/0.61  2931[2:Rew:2930.0,2851.0] ||  -> equal(inverse(sk_c5),sk_c5)**.
% 0.43/0.61  2932[2:Rew:2930.0,2913.0] ||  -> equal(sk_c11,sk_c5)**.
% 0.43/0.61  2934[2:Rew:2930.0,2918.0] ||  -> equal(sk_c12,sk_c5)**.
% 0.43/0.61  2936[2:Rew:2930.0,2922.0] ||  -> equal(identity,sk_c5)**.
% 0.43/0.61  2941[2:Rew:2930.0,2923.0] ||  -> equal(multiply(u,sk_c5),u)**.
% 0.43/0.61  2950[2:Rew:2928.0,2895.9,2934.0,2895.9,2932.0,2895.9,2941.0,2895.8,2932.0,2895.8,2934.0,2895.8,2941.0,2895.7,2934.0,2895.7,2932.0,2895.7,2941.0,2895.6,2934.0,2895.6,2932.0,2895.6,2941.0,2895.5,2934.0,2895.5,2932.0,2895.4,2934.0,2895.3,2932.0,2895.2,2932.0,2895.1,2931.0,2895.0,2936.0,2895.0] || equal(sk_c5,u)* equal(inverse(v),sk_c5)** equal(inverse(w),sk_c5)** equal(inverse(x),sk_c5)** equal(u,sk_c5)* equal(x,y)* equal(v,sk_c5) equal(u,sk_c5)* equal(w,sk_c5) equal(y,sk_c5)* -> .
% 0.43/0.61  2951[2:Obv:2950.4] || equal(inverse(u),sk_c5)** equal(inverse(v),sk_c5)** equal(inverse(w),sk_c5)** equal(w,x)* equal(u,sk_c5) equal(y,sk_c5)* equal(v,sk_c5) equal(x,sk_c5)* -> .
% 0.43/0.61  2952[2:Con:2951.1] || equal(inverse(u),sk_c5)**+ equal(inverse(v),sk_c5)** equal(v,w)* equal(u,sk_c5) equal(w,sk_c5)* -> .
% 0.43/0.61  3068[2:SpL:2931.0,2952.0] || equal(sk_c5,sk_c5) equal(inverse(u),sk_c5)** equal(u,v)* equal(sk_c5,sk_c5) equal(v,sk_c5)* -> .
% 0.43/0.61  3070[2:Obv:3068.3] || equal(inverse(u),sk_c5)**+ equal(u,v)* equal(v,sk_c5)* -> .
% 0.43/0.61  3179[2:SpL:2931.0,3070.0] || equal(sk_c5,sk_c5)* equal(sk_c5,u)* equal(u,sk_c5)* -> .
% 0.43/0.61  3182[2:Obv:3179.1] || equal(u,sk_c5)* -> .
% 0.43/0.61  3183[2:AED:3182.0] ||  -> .
% 0.43/0.61  % SZS output end Refutation
% 0.43/0.61  Formulae used in the proof : prove_this_1 prove_this_2 prove_this_3 prove_this_6 prove_this_7 prove_this_9 prove_this_10 prove_this_11 prove_this_12 prove_this_13 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 prove_this_27 prove_this_28 prove_this_29 prove_this_30 prove_this_36 prove_this_37 prove_this_39 prove_this_40 prove_this_46 prove_this_47 prove_this_49 prove_this_50 prove_this_51 prove_this_52 prove_this_53 prove_this_56 prove_this_57 prove_this_58 prove_this_59 prove_this_60 prove_this_61 left_identity left_inverse associativity
% 0.43/0.61  
%------------------------------------------------------------------------------