TSTP Solution File: GRP313-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP313-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n013.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Sat Jul 16 11:46:48 EDT 2022

% Result   : Unsatisfiable 0.19s 0.47s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : GRP313-1 : TPTP v8.1.0. Released v2.5.0.
% 0.10/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n013.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Mon Jun 13 11:38:29 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.47  
% 0.19/0.47  SPASS V 3.9 
% 0.19/0.47  SPASS beiseite: Proof found.
% 0.19/0.47  % SZS status Theorem
% 0.19/0.47  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.19/0.47  SPASS derived 678 clauses, backtracked 411 clauses, performed 15 splits and kept 578 clauses.
% 0.19/0.47  SPASS allocated 63595 KBytes.
% 0.19/0.47  SPASS spent	0:00:00.12 on the problem.
% 0.19/0.47  		0:00:00.03 for the input.
% 0.19/0.47  		0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.47  		0:00:00.00 for inferences.
% 0.19/0.47  		0:00:00.00 for the backtracking.
% 0.19/0.47  		0:00:00.05 for the reduction.
% 0.19/0.47  
% 0.19/0.47  
% 0.19/0.47  Here is a proof with depth 5, length 264 :
% 0.19/0.47  % SZS output start Refutation
% 0.19/0.47  1[0:Inp] ||  -> equal(multiply(sk_c4,sk_c9),sk_c8)** equal(multiply(sk_c8,sk_c9),sk_c7).
% 0.19/0.47  2[0:Inp] ||  -> equal(inverse(sk_c4),sk_c9) equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.47  3[0:Inp] ||  -> equal(multiply(sk_c5,sk_c8),sk_c7)** equal(multiply(sk_c8,sk_c9),sk_c7).
% 0.19/0.47  4[0:Inp] ||  -> equal(inverse(sk_c5),sk_c8) equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.47  5[0:Inp] ||  -> equal(multiply(sk_c7,sk_c9),sk_c8)** equal(multiply(sk_c8,sk_c9),sk_c7).
% 0.19/0.47  6[0:Inp] ||  -> equal(multiply(sk_c6,sk_c7),sk_c9)** equal(multiply(sk_c8,sk_c9),sk_c7).
% 0.19/0.47  7[0:Inp] ||  -> equal(inverse(sk_c6),sk_c7) equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.47  8[0:Inp] ||  -> equal(multiply(sk_c4,sk_c9),sk_c8) equal(multiply(sk_c1,sk_c9),sk_c8)**.
% 0.19/0.47  9[0:Inp] ||  -> equal(inverse(sk_c4),sk_c9) equal(multiply(sk_c1,sk_c9),sk_c8)**.
% 0.19/0.47  11[0:Inp] ||  -> equal(inverse(sk_c5),sk_c8) equal(multiply(sk_c1,sk_c9),sk_c8)**.
% 0.19/0.47  14[0:Inp] ||  -> equal(inverse(sk_c6),sk_c7) equal(multiply(sk_c1,sk_c9),sk_c8)**.
% 0.19/0.47  15[0:Inp] ||  -> equal(inverse(sk_c1),sk_c9) equal(multiply(sk_c4,sk_c9),sk_c8)**.
% 0.19/0.47  16[0:Inp] ||  -> equal(inverse(sk_c4),sk_c9) equal(inverse(sk_c1),sk_c9)**.
% 0.19/0.47  18[0:Inp] ||  -> equal(inverse(sk_c5),sk_c8) equal(inverse(sk_c1),sk_c9)**.
% 0.19/0.47  21[0:Inp] ||  -> equal(inverse(sk_c6),sk_c7) equal(inverse(sk_c1),sk_c9)**.
% 0.19/0.47  27[0:Inp] ||  -> equal(multiply(sk_c6,sk_c7),sk_c9) equal(multiply(sk_c2,sk_c8),sk_c7)**.
% 0.19/0.47  28[0:Inp] ||  -> equal(inverse(sk_c6),sk_c7) equal(multiply(sk_c2,sk_c8),sk_c7)**.
% 0.19/0.47  34[0:Inp] ||  -> equal(inverse(sk_c2),sk_c8) equal(multiply(sk_c6,sk_c7),sk_c9)**.
% 0.19/0.47  35[0:Inp] ||  -> equal(inverse(sk_c6),sk_c7) equal(inverse(sk_c2),sk_c8)**.
% 0.19/0.47  36[0:Inp] ||  -> equal(multiply(sk_c4,sk_c9),sk_c8) equal(multiply(sk_c3,sk_c8),sk_c9)**.
% 0.19/0.47  37[0:Inp] ||  -> equal(inverse(sk_c4),sk_c9) equal(multiply(sk_c3,sk_c8),sk_c9)**.
% 0.19/0.47  39[0:Inp] ||  -> equal(inverse(sk_c5),sk_c8) equal(multiply(sk_c3,sk_c8),sk_c9)**.
% 0.19/0.47  40[0:Inp] ||  -> equal(multiply(sk_c7,sk_c9),sk_c8) equal(multiply(sk_c3,sk_c8),sk_c9)**.
% 0.19/0.47  42[0:Inp] ||  -> equal(inverse(sk_c6),sk_c7) equal(multiply(sk_c3,sk_c8),sk_c9)**.
% 0.19/0.47  43[0:Inp] ||  -> equal(inverse(sk_c3),sk_c8) equal(multiply(sk_c4,sk_c9),sk_c8)**.
% 0.19/0.47  44[0:Inp] ||  -> equal(inverse(sk_c4),sk_c9) equal(inverse(sk_c3),sk_c8)**.
% 0.19/0.47  46[0:Inp] ||  -> equal(inverse(sk_c5),sk_c8) equal(inverse(sk_c3),sk_c8)**.
% 0.19/0.47  47[0:Inp] ||  -> equal(inverse(sk_c3),sk_c8) equal(multiply(sk_c7,sk_c9),sk_c8)**.
% 0.19/0.47  49[0:Inp] ||  -> equal(inverse(sk_c6),sk_c7) equal(inverse(sk_c3),sk_c8)**.
% 0.19/0.47  50[0:Inp] || equal(multiply(sk_c8,sk_c9),sk_c7) equal(multiply(u,sk_c9),sk_c8)** equal(inverse(u),sk_c9) equal(multiply(v,sk_c8),sk_c7)** equal(inverse(v),sk_c8) equal(multiply(w,sk_c8),sk_c9)** equal(inverse(w),sk_c8) equal(multiply(x,sk_c9),sk_c8)** equal(inverse(x),sk_c9) equal(multiply(y,sk_c8),sk_c7)** equal(inverse(y),sk_c8) equal(multiply(sk_c7,sk_c9),sk_c8)** equal(multiply(z,sk_c7),sk_c9)** equal(inverse(z),sk_c7) -> .
% 0.19/0.47  51[0:Inp] ||  -> equal(multiply(identity,u),u)**.
% 0.19/0.47  52[0:Inp] ||  -> equal(multiply(inverse(u),u),identity)**.
% 0.19/0.47  53[0:Inp] ||  -> equal(multiply(multiply(u,v),w),multiply(u,multiply(v,w)))**.
% 0.19/0.47  54[0:Con:50.7] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(inverse(x),sk_c9) equal(multiply(u,sk_c7),sk_c9)**+ equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** equal(multiply(x,sk_c9),sk_c8)** equal(multiply(sk_c7,sk_c9),sk_c8)** equal(multiply(sk_c8,sk_c9),sk_c7) -> .
% 0.19/0.47  55[1:Spt:54.3,54.7] || equal(inverse(u),sk_c9) equal(multiply(u,sk_c9),sk_c8)** -> .
% 0.19/0.47  64[2:Spt:2.0] ||  -> equal(inverse(sk_c4),sk_c9)**.
% 0.19/0.47  70[3:Spt:1.0] ||  -> equal(multiply(sk_c4,sk_c9),sk_c8)**.
% 0.19/0.47  72[3:SpL:70.0,55.1] || equal(inverse(sk_c4),sk_c9)** equal(sk_c8,sk_c8) -> .
% 0.19/0.47  73[3:Obv:72.1] || equal(inverse(sk_c4),sk_c9)** -> .
% 0.19/0.47  74[3:Rew:64.0,73.0] || equal(sk_c9,sk_c9)* -> .
% 0.19/0.47  75[3:Obv:74.0] ||  -> .
% 0.19/0.47  76[3:Spt:75.0,1.0,70.0] || equal(multiply(sk_c4,sk_c9),sk_c8)** -> .
% 0.19/0.47  77[3:Spt:75.0,1.1] ||  -> equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.47  80[3:MRR:15.1,76.0] ||  -> equal(inverse(sk_c1),sk_c9)**.
% 0.19/0.47  83[3:MRR:8.0,76.0] ||  -> equal(multiply(sk_c1,sk_c9),sk_c8)**.
% 0.19/0.47  92[3:SpL:83.0,55.1] || equal(inverse(sk_c1),sk_c9)** equal(sk_c8,sk_c8) -> .
% 0.19/0.47  93[3:Obv:92.1] || equal(inverse(sk_c1),sk_c9)** -> .
% 0.19/0.47  94[3:Rew:80.0,93.0] || equal(sk_c9,sk_c9)* -> .
% 0.19/0.47  95[3:Obv:94.0] ||  -> .
% 0.19/0.47  96[2:Spt:95.0,2.0,64.0] || equal(inverse(sk_c4),sk_c9)** -> .
% 0.19/0.47  97[2:Spt:95.0,2.1] ||  -> equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.47  100[2:MRR:16.0,96.0] ||  -> equal(inverse(sk_c1),sk_c9)**.
% 0.19/0.47  103[2:MRR:9.0,96.0] ||  -> equal(multiply(sk_c1,sk_c9),sk_c8)**.
% 0.19/0.47  112[2:SpL:103.0,55.1] || equal(inverse(sk_c1),sk_c9)** equal(sk_c8,sk_c8) -> .
% 0.19/0.47  113[2:Obv:112.1] || equal(inverse(sk_c1),sk_c9)** -> .
% 0.19/0.47  114[2:Rew:100.0,113.0] || equal(sk_c9,sk_c9)* -> .
% 0.19/0.47  115[2:Obv:114.0] ||  -> .
% 0.19/0.47  116[1:Spt:115.0,54.0,54.1,54.2,54.4,54.5,54.6,54.8,54.9] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)**+ equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** equal(multiply(sk_c7,sk_c9),sk_c8)** equal(multiply(sk_c8,sk_c9),sk_c7) -> .
% 0.19/0.47  117[2:Spt:5.0] ||  -> equal(multiply(sk_c7,sk_c9),sk_c8)**.
% 0.19/0.47  118[2:Rew:117.0,116.6] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** equal(sk_c8,sk_c8) equal(multiply(sk_c8,sk_c9),sk_c7)** -> .
% 0.19/0.47  119[2:Obv:118.6] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** equal(multiply(sk_c8,sk_c9),sk_c7)** -> .
% 0.19/0.47  121[3:Spt:2.0] ||  -> equal(inverse(sk_c4),sk_c9)**.
% 0.19/0.47  123[4:Spt:4.0] ||  -> equal(inverse(sk_c5),sk_c8)**.
% 0.19/0.47  125[5:Spt:7.0] ||  -> equal(inverse(sk_c6),sk_c7)**.
% 0.19/0.47  127[6:Spt:1.0] ||  -> equal(multiply(sk_c4,sk_c9),sk_c8)**.
% 0.19/0.47  129[7:Spt:3.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c7)**.
% 0.19/0.47  132[8:Spt:6.0] ||  -> equal(multiply(sk_c6,sk_c7),sk_c9)**.
% 0.19/0.47  135[3:SpR:121.0,52.0] ||  -> equal(multiply(sk_c9,sk_c4),identity)**.
% 0.19/0.47  136[4:SpR:123.0,52.0] ||  -> equal(multiply(sk_c8,sk_c5),identity)**.
% 0.19/0.47  137[5:SpR:125.0,52.0] ||  -> equal(multiply(sk_c7,sk_c6),identity)**.
% 0.19/0.47  147[0:SpR:52.0,53.0] ||  -> equal(multiply(inverse(u),multiply(u,v)),multiply(identity,v))**.
% 0.19/0.47  149[3:SpR:135.0,53.0] ||  -> equal(multiply(sk_c9,multiply(sk_c4,u)),multiply(identity,u))**.
% 0.19/0.47  150[4:SpR:136.0,53.0] ||  -> equal(multiply(sk_c8,multiply(sk_c5,u)),multiply(identity,u))**.
% 0.19/0.47  152[3:Rew:51.0,149.0] ||  -> equal(multiply(sk_c9,multiply(sk_c4,u)),u)**.
% 0.19/0.47  153[4:Rew:51.0,150.0] ||  -> equal(multiply(sk_c8,multiply(sk_c5,u)),u)**.
% 0.19/0.47  155[0:Rew:51.0,147.0] ||  -> equal(multiply(inverse(u),multiply(u,v)),v)**.
% 0.19/0.47  159[6:SpR:127.0,152.0] ||  -> equal(multiply(sk_c9,sk_c8),sk_c9)**.
% 0.19/0.47  165[7:SpR:129.0,153.0] ||  -> equal(multiply(sk_c8,sk_c7),sk_c8)**.
% 0.19/0.47  170[0:SpR:155.0,155.0] ||  -> equal(multiply(inverse(inverse(u)),v),multiply(u,v))**.
% 0.19/0.47  172[2:SpR:117.0,155.0] ||  -> equal(multiply(inverse(sk_c7),sk_c8),sk_c9)**.
% 0.19/0.47  176[0:SpR:52.0,155.0] ||  -> equal(multiply(inverse(inverse(u)),identity),u)**.
% 0.19/0.47  177[8:SpR:132.0,155.0] ||  -> equal(multiply(inverse(sk_c6),sk_c9),sk_c7)**.
% 0.19/0.47  179[3:SpR:152.0,155.0] ||  -> equal(multiply(inverse(sk_c9),u),multiply(sk_c4,u))**.
% 0.19/0.47  180[6:SpR:159.0,155.0] ||  -> equal(multiply(inverse(sk_c9),sk_c9),sk_c8)**.
% 0.19/0.47  182[4:SpR:153.0,155.0] ||  -> equal(multiply(inverse(sk_c8),u),multiply(sk_c5,u))**.
% 0.19/0.47  184[5:SpR:137.0,155.0] ||  -> equal(multiply(inverse(sk_c7),identity),sk_c6)**.
% 0.19/0.47  191[8:Rew:117.0,177.0,125.0,177.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.19/0.47  192[8:Rew:191.0,117.0] ||  -> equal(multiply(sk_c8,sk_c9),sk_c8)**.
% 0.19/0.47  198[8:Rew:191.0,119.6] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** equal(multiply(sk_c8,sk_c9),sk_c8)** -> .
% 0.19/0.47  205[6:Rew:52.0,180.0] ||  -> equal(identity,sk_c8)**.
% 0.19/0.47  206[6:Rew:205.0,51.0] ||  -> equal(multiply(sk_c8,u),u)**.
% 0.19/0.47  208[6:Rew:205.0,135.0] ||  -> equal(multiply(sk_c9,sk_c4),sk_c8)**.
% 0.19/0.47  209[6:Rew:205.0,136.0] ||  -> equal(multiply(sk_c8,sk_c5),sk_c8)**.
% 0.19/0.47  214[8:Rew:206.0,192.0] ||  -> equal(sk_c9,sk_c8)**.
% 0.19/0.47  217[8:Rew:214.0,121.0] ||  -> equal(inverse(sk_c4),sk_c8)**.
% 0.19/0.47  222[8:Rew:206.0,208.0,214.0,208.0] ||  -> equal(sk_c4,sk_c8)**.
% 0.19/0.47  223[8:Rew:222.0,217.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.19/0.47  224[6:Rew:206.0,209.0] ||  -> equal(sk_c5,sk_c8)**.
% 0.19/0.47  238[6:Rew:205.0,176.0] ||  -> equal(multiply(inverse(inverse(u)),sk_c8),u)**.
% 0.19/0.47  247[6:Rew:170.0,238.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.19/0.47  252[8:Rew:214.0,198.6,206.0,198.6,247.0,198.5,191.0,198.5,247.0,198.4,214.0,198.4,247.0,198.3,191.0,198.3,214.0,198.3,191.0,198.0] || equal(inverse(u),sk_c8)** equal(inverse(v),sk_c8)** equal(inverse(w),sk_c8)** equal(u,sk_c8) equal(v,sk_c8) equal(w,sk_c8) equal(sk_c8,sk_c8) -> .
% 0.19/0.47  253[8:Obv:252.6] || equal(inverse(u),sk_c8)** equal(inverse(v),sk_c8)** equal(inverse(w),sk_c8)** equal(u,sk_c8) equal(v,sk_c8) equal(w,sk_c8) -> .
% 0.19/0.47  254[8:Con:253.1] || equal(inverse(u),sk_c8)** equal(u,sk_c8) -> .
% 0.19/0.47  313[8:SpL:223.0,254.0] || equal(sk_c8,sk_c8)* equal(sk_c8,sk_c8)* -> .
% 0.19/0.47  315[8:Obv:313.1] ||  -> .
% 0.19/0.47  316[8:Spt:315.0,6.0,132.0] || equal(multiply(sk_c6,sk_c7),sk_c9)** -> .
% 0.19/0.47  317[8:Spt:315.0,6.1] ||  -> equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.47  318[7:Rew:206.0,165.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.19/0.47  320[6:Rew:205.0,137.0] ||  -> equal(multiply(sk_c7,sk_c6),sk_c8)**.
% 0.19/0.47  321[7:Rew:318.0,320.0] ||  -> equal(multiply(sk_c8,sk_c6),sk_c8)**.
% 0.19/0.47  322[7:Rew:206.0,321.0] ||  -> equal(sk_c6,sk_c8)**.
% 0.19/0.47  325[7:Rew:318.0,117.0] ||  -> equal(multiply(sk_c8,sk_c9),sk_c8)**.
% 0.19/0.47  326[7:Rew:206.0,325.0] ||  -> equal(sk_c9,sk_c8)**.
% 0.19/0.47  334[6:Rew:247.0,172.0] ||  -> equal(inverse(sk_c7),sk_c9)**.
% 0.19/0.47  338[6:Rew:247.0,184.0,205.0,184.0] ||  -> equal(inverse(sk_c7),sk_c6)**.
% 0.19/0.47  345[8:Rew:322.0,316.0,318.0,316.0,326.0,316.0] || equal(multiply(sk_c8,sk_c8),sk_c8)** -> .
% 0.19/0.47  346[8:Rew:206.0,345.0] || equal(sk_c8,sk_c8)* -> .
% 0.19/0.47  347[8:Obv:346.0] ||  -> .
% 0.19/0.47  373[6:Rew:247.0,27.1] ||  -> equal(multiply(sk_c6,sk_c7),sk_c9)** equal(sk_c2,sk_c7).
% 0.19/0.47  382[7:Spt:347.0,3.0,129.0] || equal(multiply(sk_c5,sk_c8),sk_c7)** -> .
% 0.19/0.47  383[7:Spt:347.0,3.1] ||  -> equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.47  384[6:Rew:334.0,338.0] ||  -> equal(sk_c6,sk_c9)**.
% 0.19/0.47  389[6:Rew:384.0,320.0] ||  -> equal(multiply(sk_c7,sk_c9),sk_c8)**.
% 0.19/0.47  394[7:Rew:206.0,383.0] ||  -> equal(sk_c7,sk_c9)**.
% 0.19/0.47  395[7:Rew:394.0,334.0] ||  -> equal(inverse(sk_c9),sk_c9)**.
% 0.19/0.47  398[7:Rew:394.0,389.0] ||  -> equal(multiply(sk_c9,sk_c9),sk_c8)**.
% 0.19/0.47  406[7:Rew:206.0,382.0,224.0,382.0] || equal(sk_c7,sk_c8)** -> .
% 0.19/0.47  407[7:Rew:394.0,406.0] || equal(sk_c9,sk_c8)** -> .
% 0.19/0.47  417[7:Rew:394.0,373.1,398.0,373.0,384.0,373.0,394.0,373.0] ||  -> equal(sk_c9,sk_c8) equal(sk_c2,sk_c9)**.
% 0.19/0.47  418[7:MRR:417.0,407.0] ||  -> equal(sk_c2,sk_c9)**.
% 0.19/0.47  433[7:Rew:398.0,34.1,384.0,34.1,394.0,34.1,395.0,34.0,418.0,34.0] ||  -> equal(sk_c9,sk_c8)** equal(sk_c9,sk_c8)**.
% 0.19/0.47  434[7:Obv:433.0] ||  -> equal(sk_c9,sk_c8)**.
% 0.19/0.47  435[7:MRR:434.0,407.0] ||  -> .
% 0.19/0.47  455[6:Spt:435.0,1.0,127.0] || equal(multiply(sk_c4,sk_c9),sk_c8)** -> .
% 0.19/0.47  456[6:Spt:435.0,1.1] ||  -> equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.47  459[6:MRR:43.1,455.0] ||  -> equal(inverse(sk_c3),sk_c8)**.
% 0.19/0.47  461[6:MRR:15.1,455.0] ||  -> equal(inverse(sk_c1),sk_c9)**.
% 0.19/0.47  462[0:Rew:170.0,176.0] ||  -> equal(multiply(u,identity),u)**.
% 0.19/0.47  463[5:Rew:462.0,184.0] ||  -> equal(inverse(sk_c7),sk_c6)**.
% 0.19/0.47  465[6:MRR:36.0,455.0] ||  -> equal(multiply(sk_c3,sk_c8),sk_c9)**.
% 0.19/0.47  467[6:MRR:8.0,455.0] ||  -> equal(multiply(sk_c1,sk_c9),sk_c8)**.
% 0.19/0.47  471[6:SpR:456.0,155.0] ||  -> equal(multiply(inverse(sk_c8),sk_c7),sk_c9)**.
% 0.19/0.47  473[6:Rew:182.0,471.0] ||  -> equal(multiply(sk_c5,sk_c7),sk_c9)**.
% 0.19/0.47  486[5:SpR:463.0,155.0] ||  -> equal(multiply(sk_c6,multiply(sk_c7,u)),u)**.
% 0.19/0.47  504[6:SpR:465.0,155.0] ||  -> equal(multiply(inverse(sk_c3),sk_c9),sk_c8)**.
% 0.19/0.47  506[6:Rew:456.0,504.0,459.0,504.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.19/0.47  509[6:Rew:506.0,463.0] ||  -> equal(inverse(sk_c8),sk_c6)**.
% 0.19/0.47  516[6:Rew:506.0,473.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c9)**.
% 0.19/0.47  518[6:Rew:506.0,486.0] ||  -> equal(multiply(sk_c6,multiply(sk_c8,u)),u)**.
% 0.19/0.47  519[6:Rew:509.0,182.0] ||  -> equal(multiply(sk_c6,u),multiply(sk_c5,u))**.
% 0.19/0.47  522[6:Rew:519.0,518.0] ||  -> equal(multiply(sk_c5,multiply(sk_c8,u)),u)**.
% 0.19/0.47  533[6:SpR:467.0,155.0] ||  -> equal(multiply(inverse(sk_c1),sk_c8),sk_c9)**.
% 0.19/0.47  535[6:Rew:461.0,533.0] ||  -> equal(multiply(sk_c9,sk_c8),sk_c9)**.
% 0.19/0.47  550[6:SpR:516.0,53.0] ||  -> equal(multiply(sk_c5,multiply(sk_c8,u)),multiply(sk_c9,u))**.
% 0.19/0.47  554[6:Rew:522.0,550.0] ||  -> equal(multiply(sk_c9,u),u)**.
% 0.19/0.47  556[6:Rew:554.0,535.0] ||  -> equal(sk_c9,sk_c8)**.
% 0.19/0.47  561[6:Rew:554.0,152.0] ||  -> equal(multiply(sk_c4,u),u)**.
% 0.19/0.47  574[6:Rew:556.0,455.0] || equal(multiply(sk_c4,sk_c8),sk_c8)** -> .
% 0.19/0.47  593[6:Rew:561.0,574.0] || equal(sk_c8,sk_c8)* -> .
% 0.19/0.47  594[6:Obv:593.0] ||  -> .
% 0.19/0.47  600[5:Spt:594.0,7.0,125.0] || equal(inverse(sk_c6),sk_c7)** -> .
% 0.19/0.47  601[5:Spt:594.0,7.1] ||  -> equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.47  602[5:MRR:49.0,600.0] ||  -> equal(inverse(sk_c3),sk_c8)**.
% 0.19/0.47  603[5:MRR:35.0,600.0] ||  -> equal(inverse(sk_c2),sk_c8)**.
% 0.19/0.47  604[5:MRR:21.0,600.0] ||  -> equal(inverse(sk_c1),sk_c9)**.
% 0.19/0.47  605[5:MRR:42.0,600.0] ||  -> equal(multiply(sk_c3,sk_c8),sk_c9)**.
% 0.19/0.47  606[5:MRR:28.0,600.0] ||  -> equal(multiply(sk_c2,sk_c8),sk_c7)**.
% 0.19/0.47  607[5:MRR:14.0,600.0] ||  -> equal(multiply(sk_c1,sk_c9),sk_c8)**.
% 0.19/0.47  608[5:Rew:601.0,119.6] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** equal(sk_c7,sk_c7) -> .
% 0.19/0.47  609[5:Obv:608.6] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** -> .
% 0.19/0.47  611[5:SpR:601.0,155.0] ||  -> equal(multiply(inverse(sk_c8),sk_c7),sk_c9)**.
% 0.19/0.47  613[5:Rew:182.0,611.0] ||  -> equal(multiply(sk_c5,sk_c7),sk_c9)**.
% 0.19/0.47  638[5:SpR:605.0,155.0] ||  -> equal(multiply(inverse(sk_c3),sk_c9),sk_c8)**.
% 0.19/0.47  640[5:Rew:601.0,638.0,602.0,638.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.19/0.47  646[5:Rew:640.0,606.0] ||  -> equal(multiply(sk_c2,sk_c8),sk_c8)**.
% 0.19/0.47  647[5:Rew:640.0,609.0] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** -> .
% 0.19/0.47  648[5:Rew:640.0,613.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c9)**.
% 0.19/0.47  651[5:Rew:640.0,647.5,640.0,647.3] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c8),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c8)** -> .
% 0.19/0.47  652[5:Con:651.1] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(multiply(u,sk_c8),sk_c9)** equal(multiply(v,sk_c8),sk_c8)** -> .
% 0.19/0.47  655[5:SpR:607.0,155.0] ||  -> equal(multiply(inverse(sk_c1),sk_c8),sk_c9)**.
% 0.19/0.47  657[5:Rew:604.0,655.0] ||  -> equal(multiply(sk_c9,sk_c8),sk_c9)**.
% 0.19/0.47  663[5:SpR:646.0,155.0] ||  -> equal(multiply(inverse(sk_c2),sk_c8),sk_c8)**.
% 0.19/0.47  665[5:Rew:603.0,663.0] ||  -> equal(multiply(sk_c8,sk_c8),sk_c8)**.
% 0.19/0.47  674[5:SpR:657.0,155.0] ||  -> equal(multiply(inverse(sk_c9),sk_c9),sk_c8)**.
% 0.19/0.47  676[5:Rew:179.0,674.0] ||  -> equal(multiply(sk_c4,sk_c9),sk_c8)**.
% 0.19/0.47  678[5:SpR:665.0,155.0] ||  -> equal(multiply(inverse(sk_c8),sk_c8),sk_c8)**.
% 0.19/0.47  680[5:Rew:182.0,678.0] ||  -> equal(multiply(sk_c5,sk_c8),sk_c8)**.
% 0.19/0.47  681[5:Rew:648.0,680.0] ||  -> equal(sk_c9,sk_c8)**.
% 0.19/0.47  682[5:Rew:681.0,121.0] ||  -> equal(inverse(sk_c4),sk_c8)**.
% 0.19/0.47  697[5:Rew:681.0,652.2] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(multiply(u,sk_c8),sk_c8)** equal(multiply(v,sk_c8),sk_c8)** -> .
% 0.19/0.47  698[5:Rew:681.0,676.0] ||  -> equal(multiply(sk_c4,sk_c8),sk_c8)**.
% 0.19/0.47  705[5:Con:697.1] || equal(inverse(u),sk_c8) equal(multiply(u,sk_c8),sk_c8)** -> .
% 0.19/0.47  779[0:SpR:462.0,52.0] ||  -> equal(inverse(identity),identity)**.
% 0.19/0.47  795[5:SpL:698.0,705.1] || equal(inverse(sk_c4),sk_c8)** equal(sk_c8,sk_c8) -> .
% 0.19/0.47  799[5:Obv:795.1] || equal(inverse(sk_c4),sk_c8)** -> .
% 0.19/0.47  800[5:Rew:682.0,799.0] || equal(sk_c8,sk_c8)* -> .
% 0.19/0.47  801[5:Obv:800.0] ||  -> .
% 0.19/0.47  804[4:Spt:801.0,4.0,123.0] || equal(inverse(sk_c5),sk_c8)** -> .
% 0.19/0.47  805[4:Spt:801.0,4.1] ||  -> equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.48  806[4:MRR:46.0,804.0] ||  -> equal(inverse(sk_c3),sk_c8)**.
% 0.19/0.48  808[4:MRR:18.0,804.0] ||  -> equal(inverse(sk_c1),sk_c9)**.
% 0.19/0.48  809[4:MRR:39.0,804.0] ||  -> equal(multiply(sk_c3,sk_c8),sk_c9)**.
% 0.19/0.48  811[4:MRR:11.0,804.0] ||  -> equal(multiply(sk_c1,sk_c9),sk_c8)**.
% 0.19/0.48  812[4:Rew:805.0,119.6] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** equal(sk_c7,sk_c7) -> .
% 0.19/0.48  813[4:Obv:812.6] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** -> .
% 0.19/0.48  827[4:SpR:808.0,52.0] ||  -> equal(multiply(sk_c9,sk_c1),identity)**.
% 0.19/0.48  833[3:SpR:135.0,155.0] ||  -> equal(multiply(inverse(sk_c9),identity),sk_c4)**.
% 0.19/0.48  835[3:Rew:462.0,833.0] ||  -> equal(inverse(sk_c9),sk_c4)**.
% 0.19/0.48  842[4:SpR:809.0,155.0] ||  -> equal(multiply(inverse(sk_c3),sk_c9),sk_c8)**.
% 0.19/0.48  844[4:Rew:805.0,842.0,806.0,842.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.19/0.48  847[4:Rew:844.0,172.0] ||  -> equal(multiply(inverse(sk_c8),sk_c8),sk_c9)**.
% 0.19/0.48  850[4:Rew:844.0,813.0] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** -> .
% 0.19/0.48  853[4:Rew:52.0,847.0] ||  -> equal(identity,sk_c9)**.
% 0.19/0.48  854[4:Rew:853.0,51.0] ||  -> equal(multiply(sk_c9,u),u)**.
% 0.19/0.48  856[4:Rew:853.0,462.0] ||  -> equal(multiply(u,sk_c9),u)**.
% 0.19/0.48  857[4:Rew:853.0,779.0] ||  -> equal(inverse(sk_c9),sk_c9)**.
% 0.19/0.48  861[4:Rew:853.0,827.0] ||  -> equal(multiply(sk_c9,sk_c1),sk_c9)**.
% 0.19/0.48  863[4:Rew:835.0,857.0] ||  -> equal(sk_c4,sk_c9)**.
% 0.19/0.48  864[4:Rew:863.0,121.0] ||  -> equal(inverse(sk_c9),sk_c9)**.
% 0.19/0.48  869[4:Rew:856.0,811.0] ||  -> equal(sk_c1,sk_c8)**.
% 0.19/0.48  872[4:Rew:854.0,861.0,869.0,861.0] ||  -> equal(sk_c9,sk_c8)**.
% 0.19/0.48  876[4:Rew:872.0,864.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.19/0.48  878[4:Rew:872.0,856.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.19/0.48  901[4:Rew:878.0,850.5,844.0,850.5,878.0,850.4,872.0,850.4,878.0,850.3,844.0,850.3,872.0,850.3] || equal(inverse(u),sk_c8)** equal(inverse(v),sk_c8)** equal(inverse(w),sk_c8)** equal(u,sk_c8) equal(v,sk_c8) equal(w,sk_c8) -> .
% 0.19/0.48  902[4:Con:901.1] || equal(inverse(u),sk_c8)** equal(u,sk_c8) -> .
% 0.19/0.48  962[4:SpL:876.0,902.0] || equal(sk_c8,sk_c8)* equal(sk_c8,sk_c8)* -> .
% 0.19/0.48  964[4:Obv:962.1] ||  -> .
% 0.19/0.48  965[3:Spt:964.0,2.0,121.0] || equal(inverse(sk_c4),sk_c9)** -> .
% 0.19/0.48  966[3:Spt:964.0,2.1] ||  -> equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.48  967[3:MRR:44.0,965.0] ||  -> equal(inverse(sk_c3),sk_c8)**.
% 0.19/0.48  969[3:MRR:16.0,965.0] ||  -> equal(inverse(sk_c1),sk_c9)**.
% 0.19/0.48  970[3:MRR:37.0,965.0] ||  -> equal(multiply(sk_c3,sk_c8),sk_c9)**.
% 0.19/0.48  972[3:MRR:9.0,965.0] ||  -> equal(multiply(sk_c1,sk_c9),sk_c8)**.
% 0.19/0.48  973[3:Rew:966.0,119.6] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** equal(sk_c7,sk_c7) -> .
% 0.19/0.48  974[3:Obv:973.6] || equal(inverse(u),sk_c7) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** -> .
% 0.19/0.48  976[3:SpR:966.0,155.0] ||  -> equal(multiply(inverse(sk_c8),sk_c7),sk_c9)**.
% 0.19/0.48  991[3:SpR:970.0,155.0] ||  -> equal(multiply(inverse(sk_c3),sk_c9),sk_c8)**.
% 0.19/0.48  993[3:Rew:966.0,991.0,967.0,991.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.19/0.48  996[3:Rew:993.0,172.0] ||  -> equal(multiply(inverse(sk_c8),sk_c8),sk_c9)**.
% 0.19/0.48  999[3:Rew:993.0,974.0] || equal(inverse(u),sk_c8) equal(inverse(v),sk_c8) equal(inverse(w),sk_c8) equal(multiply(u,sk_c7),sk_c9)** equal(multiply(v,sk_c8),sk_c9)** equal(multiply(w,sk_c8),sk_c7)** -> .
% 0.19/0.48  1000[3:Rew:993.0,976.0] ||  -> equal(multiply(inverse(sk_c8),sk_c8),sk_c9)**.
% 0.19/0.48  1002[3:Rew:52.0,996.0] ||  -> equal(identity,sk_c9)**.
% 0.19/0.48  1003[3:Rew:1002.0,779.0] ||  -> equal(inverse(sk_c9),sk_c9)**.
% 0.19/0.48  1004[3:Rew:1002.0,462.0] ||  -> equal(multiply(u,sk_c9),u)**.
% 0.19/0.48  1005[3:Rew:1002.0,51.0] ||  -> equal(multiply(sk_c9,u),u)**.
% 0.19/0.48  1007[3:Rew:1004.0,972.0] ||  -> equal(sk_c1,sk_c8)**.
% 0.19/0.48  1008[3:Rew:1007.0,969.0] ||  -> equal(inverse(sk_c8),sk_c9)**.
% 0.19/0.48  1010[3:Rew:1005.0,1000.0,1008.0,1000.0] ||  -> equal(sk_c9,sk_c8)**.
% 0.19/0.48  1014[3:Rew:1010.0,1003.0] ||  -> equal(inverse(sk_c8),sk_c8)**.
% 0.19/0.48  1015[3:Rew:1010.0,1004.0] ||  -> equal(multiply(u,sk_c8),u)**.
% 0.19/0.48  1031[3:Rew:1015.0,999.5,993.0,999.5,1015.0,999.4,1010.0,999.4,1015.0,999.3,993.0,999.3,1010.0,999.3] || equal(inverse(u),sk_c8)** equal(inverse(v),sk_c8)** equal(inverse(w),sk_c8)** equal(u,sk_c8) equal(v,sk_c8) equal(w,sk_c8) -> .
% 0.19/0.48  1032[3:Con:1031.1] || equal(inverse(u),sk_c8)** equal(u,sk_c8) -> .
% 0.19/0.48  1074[3:SpL:1014.0,1032.0] || equal(sk_c8,sk_c8)* equal(sk_c8,sk_c8)* -> .
% 0.19/0.48  1076[3:Obv:1074.1] ||  -> .
% 0.19/0.48  1077[2:Spt:1076.0,5.0,117.0] || equal(multiply(sk_c7,sk_c9),sk_c8)** -> .
% 0.19/0.48  1078[2:Spt:1076.0,5.1] ||  -> equal(multiply(sk_c8,sk_c9),sk_c7)**.
% 0.19/0.48  1079[2:MRR:47.1,1077.0] ||  -> equal(inverse(sk_c3),sk_c8)**.
% 0.19/0.48  1082[2:MRR:40.0,1077.0] ||  -> equal(multiply(sk_c3,sk_c8),sk_c9)**.
% 0.19/0.48  1098[2:SpR:1082.0,155.0] ||  -> equal(multiply(inverse(sk_c3),sk_c9),sk_c8)**.
% 0.19/0.48  1100[2:Rew:1078.0,1098.0,1079.0,1098.0] ||  -> equal(sk_c7,sk_c8)**.
% 0.19/0.48  1101[2:Rew:1100.0,1078.0] ||  -> equal(multiply(sk_c8,sk_c9),sk_c8)**.
% 0.19/0.48  1102[2:Rew:1100.0,1077.0] || equal(multiply(sk_c8,sk_c9),sk_c8)** -> .
% 0.19/0.48  1106[2:Rew:1101.0,1102.0] || equal(sk_c8,sk_c8)* -> .
% 0.19/0.48  1107[2:Obv:1106.0] ||  -> .
% 0.19/0.48  % SZS output end Refutation
% 0.19/0.48  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_11 prove_this_14 prove_this_15 prove_this_16 prove_this_18 prove_this_21 prove_this_27 prove_this_28 prove_this_34 prove_this_35 prove_this_36 prove_this_37 prove_this_39 prove_this_40 prove_this_42 prove_this_43 prove_this_44 prove_this_46 prove_this_47 prove_this_49 prove_this_50 left_identity left_inverse associativity
% 0.19/0.48  
%------------------------------------------------------------------------------