%------------------------------------------------------------------------------
% File : Prover9---2026-6A
% Problem : GRP183-3 : TPTP v9.3.1. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n008.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Sun Sep 27 07:28:17 AM UTC 2026
% Result : Unsatisfiable 76.42s 10.33s
% Output : CNFRefutation 76.42s
% Verified :
% SZS Type : Refutation
% Derivation depth : 37
% Number of leaves : 16
% Syntax : Number of formulae : 177 ( 177 unt; 0 def)
% Number of atoms : 177 ( 176 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 8 ( 8 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 1 avg)
% Maximal term depth : 13 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 2 con; 0-2 aty)
% Number of variables : 316 ( 10 sgn 33 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(left_identity,axiom,
! [VAR_0] : multiply(identity,VAR_0) = VAR_0,
file('theBenchmark.p',left_identity) ).
cnf(c_1,plain,
multiply(identity,A) = A,
inference(clausify,[status(thm)],[left_identity]) ).
fof(left_inverse,axiom,
! [VAR_0] : multiply(inverse(VAR_0),VAR_0) = identity,
file('theBenchmark.p',left_inverse) ).
cnf(c_2,plain,
multiply(inverse(A),A) = identity,
inference(clausify,[status(thm)],[left_inverse]) ).
fof(associativity,axiom,
! [VAR_0,VAR_1,VAR_2] : multiply(multiply(VAR_0,VAR_1),VAR_2) = multiply(VAR_0,multiply(VAR_1,VAR_2)),
file('theBenchmark.p',associativity) ).
cnf(c_3,plain,
multiply(multiply(A,B),C) = multiply(A,multiply(B,C)),
inference(clausify,[status(thm)],[associativity]) ).
fof(symmetry_of_glb,axiom,
! [VAR_0,VAR_1] : greatest_lower_bound(VAR_0,VAR_1) = greatest_lower_bound(VAR_1,VAR_0),
file('theBenchmark.p',symmetry_of_glb) ).
cnf(c_4,plain,
greatest_lower_bound(A,B) = greatest_lower_bound(B,A),
inference(clausify,[status(thm)],[symmetry_of_glb]) ).
fof(symmetry_of_lub,axiom,
! [VAR_0,VAR_1] : least_upper_bound(VAR_0,VAR_1) = least_upper_bound(VAR_1,VAR_0),
file('theBenchmark.p',symmetry_of_lub) ).
cnf(c_5,plain,
least_upper_bound(A,B) = least_upper_bound(B,A),
inference(clausify,[status(thm)],[symmetry_of_lub]) ).
fof(associativity_of_glb,axiom,
! [VAR_0,VAR_1,VAR_2] : greatest_lower_bound(VAR_0,greatest_lower_bound(VAR_1,VAR_2)) = greatest_lower_bound(greatest_lower_bound(VAR_0,VAR_1),VAR_2),
file('theBenchmark.p',associativity_of_glb) ).
cnf(c_6,plain,
greatest_lower_bound(A,greatest_lower_bound(B,C)) = greatest_lower_bound(greatest_lower_bound(A,B),C),
inference(clausify,[status(thm)],[associativity_of_glb]) ).
cnf(c_7,plain,
greatest_lower_bound(greatest_lower_bound(A,B),C) = greatest_lower_bound(A,greatest_lower_bound(B,C)),
inference(copy,[status(thm)],[c_6]) ).
fof(associativity_of_lub,axiom,
! [VAR_0,VAR_1,VAR_2] : least_upper_bound(VAR_0,least_upper_bound(VAR_1,VAR_2)) = least_upper_bound(least_upper_bound(VAR_0,VAR_1),VAR_2),
file('theBenchmark.p',associativity_of_lub) ).
cnf(c_8,plain,
least_upper_bound(A,least_upper_bound(B,C)) = least_upper_bound(least_upper_bound(A,B),C),
inference(clausify,[status(thm)],[associativity_of_lub]) ).
cnf(c_9,plain,
least_upper_bound(least_upper_bound(A,B),C) = least_upper_bound(A,least_upper_bound(B,C)),
inference(copy,[status(thm)],[c_8]) ).
fof(idempotence_of_lub,axiom,
! [VAR_0] : least_upper_bound(VAR_0,VAR_0) = VAR_0,
file('theBenchmark.p',idempotence_of_lub) ).
cnf(c_10,plain,
least_upper_bound(A,A) = A,
inference(clausify,[status(thm)],[idempotence_of_lub]) ).
fof(idempotence_of_gld,axiom,
! [VAR_0] : greatest_lower_bound(VAR_0,VAR_0) = VAR_0,
file('theBenchmark.p',idempotence_of_gld) ).
cnf(c_11,plain,
greatest_lower_bound(A,A) = A,
inference(clausify,[status(thm)],[idempotence_of_gld]) ).
fof(lub_absorbtion,axiom,
! [VAR_0,VAR_1] : least_upper_bound(VAR_0,greatest_lower_bound(VAR_0,VAR_1)) = VAR_0,
file('theBenchmark.p',lub_absorbtion) ).
cnf(c_12,plain,
least_upper_bound(A,greatest_lower_bound(A,B)) = A,
inference(clausify,[status(thm)],[lub_absorbtion]) ).
fof(glb_absorbtion,axiom,
! [VAR_0,VAR_1] : greatest_lower_bound(VAR_0,least_upper_bound(VAR_0,VAR_1)) = VAR_0,
file('theBenchmark.p',glb_absorbtion) ).
cnf(c_13,plain,
greatest_lower_bound(A,least_upper_bound(A,B)) = A,
inference(clausify,[status(thm)],[glb_absorbtion]) ).
fof(monotony_lub1,axiom,
! [VAR_0,VAR_1,VAR_2] : multiply(VAR_0,least_upper_bound(VAR_1,VAR_2)) = least_upper_bound(multiply(VAR_0,VAR_1),multiply(VAR_0,VAR_2)),
file('theBenchmark.p',monotony_lub1) ).
cnf(c_14,plain,
multiply(A,least_upper_bound(B,C)) = least_upper_bound(multiply(A,B),multiply(A,C)),
inference(clausify,[status(thm)],[monotony_lub1]) ).
cnf(c_15,plain,
least_upper_bound(multiply(A,B),multiply(A,C)) = multiply(A,least_upper_bound(B,C)),
inference(copy,[status(thm)],[c_14]) ).
fof(monotony_glb1,axiom,
! [VAR_0,VAR_1,VAR_2] : multiply(VAR_0,greatest_lower_bound(VAR_1,VAR_2)) = greatest_lower_bound(multiply(VAR_0,VAR_1),multiply(VAR_0,VAR_2)),
file('theBenchmark.p',monotony_glb1) ).
cnf(c_16,plain,
multiply(A,greatest_lower_bound(B,C)) = greatest_lower_bound(multiply(A,B),multiply(A,C)),
inference(clausify,[status(thm)],[monotony_glb1]) ).
cnf(c_17,plain,
greatest_lower_bound(multiply(A,B),multiply(A,C)) = multiply(A,greatest_lower_bound(B,C)),
inference(copy,[status(thm)],[c_16]) ).
fof(monotony_lub2,axiom,
! [VAR_0,VAR_1,VAR_2] : multiply(least_upper_bound(VAR_0,VAR_1),VAR_2) = least_upper_bound(multiply(VAR_0,VAR_2),multiply(VAR_1,VAR_2)),
file('theBenchmark.p',monotony_lub2) ).
cnf(c_18,plain,
multiply(least_upper_bound(A,B),C) = least_upper_bound(multiply(A,C),multiply(B,C)),
inference(clausify,[status(thm)],[monotony_lub2]) ).
cnf(c_19,plain,
least_upper_bound(multiply(A,B),multiply(C,B)) = multiply(least_upper_bound(A,C),B),
inference(copy,[status(thm)],[c_18]) ).
fof(monotony_glb2,axiom,
! [VAR_0,VAR_1,VAR_2] : multiply(greatest_lower_bound(VAR_0,VAR_1),VAR_2) = greatest_lower_bound(multiply(VAR_0,VAR_2),multiply(VAR_1,VAR_2)),
file('theBenchmark.p',monotony_glb2) ).
cnf(c_20,plain,
multiply(greatest_lower_bound(A,B),C) = greatest_lower_bound(multiply(A,C),multiply(B,C)),
inference(clausify,[status(thm)],[monotony_glb2]) ).
cnf(c_21,plain,
greatest_lower_bound(multiply(A,B),multiply(C,B)) = multiply(greatest_lower_bound(A,C),B),
inference(copy,[status(thm)],[c_20]) ).
fof(prove_20x,axiom,
greatest_lower_bound(least_upper_bound(a,identity),least_upper_bound(inverse(a),identity)) != identity,
file('theBenchmark.p',prove_20x) ).
cnf(c_22,plain,
greatest_lower_bound(least_upper_bound(a,identity),least_upper_bound(inverse(a),identity)) != identity,
inference(clausify,[status(thm)],[prove_20x]) ).
cnf(c_9306,plain,
greatest_lower_bound(least_upper_bound(identity,a),least_upper_bound(inverse(a),identity)) != identity,
inference(paramod,[status(thm)],[c_5,c_22]) ).
cnf(c_23,plain,
greatest_lower_bound(least_upper_bound(identity,a),least_upper_bound(identity,inverse(a))) != identity,
inference(paramod,[status(thm)],[c_5,c_9306]) ).
cnf(c_9307,plain,
multiply(identity,A) = multiply(inverse(B),multiply(B,A)),
inference(paramod,[status(thm)],[c_2,c_3]) ).
cnf(c_9308,plain,
A = multiply(inverse(B),multiply(B,A)),
inference(paramod,[status(thm)],[c_1,c_9307]) ).
cnf(c_24,plain,
multiply(inverse(A),multiply(A,B)) = B,
inference(copy,[status(thm)],[c_9308]) ).
cnf(c_9309,plain,
least_upper_bound(A,B) = least_upper_bound(A,least_upper_bound(A,B)),
inference(paramod,[status(thm)],[c_10,c_9]) ).
cnf(c_29,plain,
least_upper_bound(A,least_upper_bound(A,B)) = least_upper_bound(A,B),
inference(copy,[status(thm)],[c_9309]) ).
cnf(c_9310,plain,
greatest_lower_bound(A,B) = greatest_lower_bound(A,greatest_lower_bound(A,B)),
inference(paramod,[status(thm)],[c_11,c_7]) ).
cnf(c_32,plain,
greatest_lower_bound(A,greatest_lower_bound(A,B)) = greatest_lower_bound(A,B),
inference(copy,[status(thm)],[c_9310]) ).
cnf(c_35,plain,
least_upper_bound(A,greatest_lower_bound(B,A)) = A,
inference(paramod,[status(thm)],[c_4,c_12]) ).
cnf(c_9311,plain,
least_upper_bound(A,B) = least_upper_bound(A,least_upper_bound(greatest_lower_bound(A,C),B)),
inference(paramod,[status(thm)],[c_12,c_9]) ).
cnf(c_37,plain,
least_upper_bound(A,least_upper_bound(greatest_lower_bound(A,B),C)) = least_upper_bound(A,C),
inference(copy,[status(thm)],[c_9311]) ).
cnf(c_39,plain,
greatest_lower_bound(A,least_upper_bound(B,A)) = A,
inference(paramod,[status(thm)],[c_5,c_13]) ).
cnf(c_9312,plain,
greatest_lower_bound(A,B) = greatest_lower_bound(A,greatest_lower_bound(least_upper_bound(A,C),B)),
inference(paramod,[status(thm)],[c_13,c_7]) ).
cnf(c_40,plain,
greatest_lower_bound(A,greatest_lower_bound(least_upper_bound(A,B),C)) = greatest_lower_bound(A,C),
inference(copy,[status(thm)],[c_9312]) ).
cnf(c_43,plain,
least_upper_bound(identity,multiply(inverse(A),B)) = multiply(inverse(A),least_upper_bound(A,B)),
inference(paramod,[status(thm)],[c_2,c_15]) ).
cnf(c_46,plain,
greatest_lower_bound(identity,multiply(inverse(A),B)) = multiply(inverse(A),greatest_lower_bound(A,B)),
inference(paramod,[status(thm)],[c_2,c_17]) ).
cnf(c_49,plain,
least_upper_bound(A,multiply(B,A)) = multiply(least_upper_bound(identity,B),A),
inference(paramod,[status(thm)],[c_1,c_19]) ).
cnf(c_56,plain,
greatest_lower_bound(A,multiply(B,A)) = multiply(greatest_lower_bound(identity,B),A),
inference(paramod,[status(thm)],[c_1,c_21]) ).
cnf(c_9313,plain,
greatest_lower_bound(multiply(A,B),B) = multiply(greatest_lower_bound(A,identity),B),
inference(paramod,[status(thm)],[c_1,c_21]) ).
cnf(c_57,plain,
greatest_lower_bound(A,multiply(B,A)) = multiply(greatest_lower_bound(B,identity),A),
inference(paramod,[status(thm)],[c_4,c_9313]) ).
cnf(c_9314,plain,
greatest_lower_bound(multiply(A,B),identity) = multiply(greatest_lower_bound(A,inverse(B)),B),
inference(paramod,[status(thm)],[c_2,c_21]) ).
cnf(c_59,plain,
greatest_lower_bound(identity,multiply(A,B)) = multiply(greatest_lower_bound(A,inverse(B)),B),
inference(paramod,[status(thm)],[c_4,c_9314]) ).
cnf(c_70,plain,
multiply(inverse(inverse(A)),identity) = A,
inference(paramod,[status(thm)],[c_2,c_24]) ).
cnf(c_80,plain,
multiply(inverse(inverse(A)),B) = multiply(A,B),
inference(paramod,[status(thm)],[c_24,c_24]) ).
cnf(c_81,plain,
multiply(A,identity) = A,
inference(paramod,[status(thm)],[c_80,c_70]) ).
cnf(c_82,plain,
inverse(identity) = identity,
inference(paramod,[status(thm)],[c_81,c_2]) ).
cnf(c_83,plain,
least_upper_bound(A,multiply(A,B)) = multiply(A,least_upper_bound(identity,B)),
inference(paramod,[status(thm)],[c_81,c_15]) ).
cnf(c_85,plain,
greatest_lower_bound(A,multiply(A,B)) = multiply(A,greatest_lower_bound(identity,B)),
inference(paramod,[status(thm)],[c_81,c_17]) ).
cnf(c_9315,plain,
greatest_lower_bound(multiply(A,B),A) = multiply(A,greatest_lower_bound(B,identity)),
inference(paramod,[status(thm)],[c_81,c_17]) ).
cnf(c_86,plain,
greatest_lower_bound(A,multiply(A,B)) = multiply(A,greatest_lower_bound(B,identity)),
inference(paramod,[status(thm)],[c_4,c_9315]) ).
cnf(c_145,plain,
greatest_lower_bound(A,multiply(greatest_lower_bound(identity,B),A)) = greatest_lower_bound(A,multiply(B,A)),
inference(paramod,[status(thm)],[c_56,c_32]) ).
cnf(c_157,plain,
multiply(inverse(greatest_lower_bound(A,identity)),greatest_lower_bound(B,multiply(A,B))) = B,
inference(paramod,[status(thm)],[c_57,c_24]) ).
cnf(c_9316,plain,
least_upper_bound(inverse(A),identity) = multiply(inverse(A),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_2,c_83]) ).
cnf(c_158,plain,
least_upper_bound(identity,inverse(A)) = multiply(inverse(A),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_5,c_9316]) ).
cnf(c_175,plain,
least_upper_bound(inverse(A),B) = multiply(inverse(A),least_upper_bound(identity,multiply(A,B))),
inference(paramod,[status(thm)],[c_24,c_83]) ).
cnf(c_176,plain,
least_upper_bound(A,multiply(A,least_upper_bound(identity,B))) = least_upper_bound(A,multiply(A,B)),
inference(paramod,[status(thm)],[c_83,c_29]) ).
cnf(c_9317,plain,
multiply(A,least_upper_bound(identity,A)) = multiply(least_upper_bound(identity,A),A),
inference(paramod,[status(thm)],[c_83,c_49]) ).
cnf(c_178,plain,
multiply(least_upper_bound(identity,A),A) = multiply(A,least_upper_bound(identity,A)),
inference(copy,[status(thm)],[c_9317]) ).
cnf(c_9318,plain,
greatest_lower_bound(least_upper_bound(identity,a),multiply(inverse(a),least_upper_bound(identity,a))) != identity,
inference(paramod,[status(thm)],[c_158,c_23]) ).
cnf(c_187,plain,
multiply(greatest_lower_bound(identity,inverse(a)),least_upper_bound(identity,a)) != identity,
inference(paramod,[status(thm)],[c_56,c_9318]) ).
cnf(c_9319,plain,
greatest_lower_bound(inverse(A),identity) = multiply(inverse(A),greatest_lower_bound(identity,A)),
inference(paramod,[status(thm)],[c_2,c_85]) ).
cnf(c_207,plain,
greatest_lower_bound(identity,inverse(A)) = multiply(inverse(A),greatest_lower_bound(identity,A)),
inference(paramod,[status(thm)],[c_4,c_9319]) ).
cnf(c_221,plain,
greatest_lower_bound(inverse(A),B) = multiply(inverse(A),greatest_lower_bound(identity,multiply(A,B))),
inference(paramod,[status(thm)],[c_24,c_85]) ).
cnf(c_9320,plain,
multiply(multiply(inverse(a),greatest_lower_bound(identity,a)),least_upper_bound(identity,a)) != identity,
inference(paramod,[status(thm)],[c_207,c_187]) ).
cnf(c_232,plain,
multiply(inverse(a),multiply(greatest_lower_bound(identity,a),least_upper_bound(identity,a))) != identity,
inference(paramod,[status(thm)],[c_3,c_9320]) ).
cnf(c_9321,plain,
greatest_lower_bound(inverse(greatest_lower_bound(A,identity)),multiply(inverse(greatest_lower_bound(A,identity)),A)) = identity,
inference(paramod,[status(thm)],[c_86,c_2]) ).
cnf(c_236,plain,
multiply(inverse(greatest_lower_bound(A,identity)),greatest_lower_bound(identity,A)) = identity,
inference(paramod,[status(thm)],[c_85,c_9321]) ).
cnf(c_9322,plain,
greatest_lower_bound(least_upper_bound(identity,A),multiply(A,least_upper_bound(identity,A))) = multiply(least_upper_bound(identity,A),greatest_lower_bound(A,identity)),
inference(paramod,[status(thm)],[c_178,c_86]) ).
cnf(c_9323,plain,
multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,A)) = multiply(least_upper_bound(identity,A),greatest_lower_bound(A,identity)),
inference(paramod,[status(thm)],[c_56,c_9322]) ).
cnf(c_263,plain,
multiply(least_upper_bound(identity,A),greatest_lower_bound(A,identity)) = multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,A)),
inference(copy,[status(thm)],[c_9323]) ).
cnf(c_9324,plain,
multiply(identity,A) = multiply(inverse(greatest_lower_bound(B,identity)),multiply(greatest_lower_bound(identity,B),A)),
inference(paramod,[status(thm)],[c_236,c_3]) ).
cnf(c_9325,plain,
A = multiply(inverse(greatest_lower_bound(B,identity)),multiply(greatest_lower_bound(identity,B),A)),
inference(paramod,[status(thm)],[c_1,c_9324]) ).
cnf(c_380,plain,
multiply(inverse(greatest_lower_bound(A,identity)),multiply(greatest_lower_bound(identity,A),B)) = B,
inference(copy,[status(thm)],[c_9325]) ).
cnf(c_458,plain,
multiply(A,inverse(A)) = identity,
inference(paramod,[status(thm)],[c_80,c_2]) ).
cnf(c_463,plain,
multiply(A,multiply(inverse(A),B)) = B,
inference(paramod,[status(thm)],[c_80,c_24]) ).
cnf(c_9326,plain,
multiply(A,identity) = inverse(inverse(A)),
inference(paramod,[status(thm)],[c_80,c_81]) ).
cnf(c_9327,plain,
A = inverse(inverse(A)),
inference(paramod,[status(thm)],[c_81,c_9326]) ).
cnf(c_464,plain,
inverse(inverse(A)) = A,
inference(copy,[status(thm)],[c_9327]) ).
cnf(c_9328,plain,
greatest_lower_bound(inverse(A),identity) = multiply(greatest_lower_bound(identity,A),inverse(A)),
inference(paramod,[status(thm)],[c_458,c_56]) ).
cnf(c_9329,plain,
greatest_lower_bound(identity,inverse(A)) = multiply(greatest_lower_bound(identity,A),inverse(A)),
inference(paramod,[status(thm)],[c_4,c_9328]) ).
cnf(c_9330,plain,
multiply(inverse(A),greatest_lower_bound(identity,A)) = multiply(greatest_lower_bound(identity,A),inverse(A)),
inference(paramod,[status(thm)],[c_207,c_9329]) ).
cnf(c_475,plain,
multiply(greatest_lower_bound(identity,A),inverse(A)) = multiply(inverse(A),greatest_lower_bound(identity,A)),
inference(copy,[status(thm)],[c_9330]) ).
cnf(c_9331,plain,
greatest_lower_bound(inverse(A),identity) = multiply(greatest_lower_bound(A,identity),inverse(A)),
inference(paramod,[status(thm)],[c_458,c_57]) ).
cnf(c_9332,plain,
greatest_lower_bound(identity,inverse(A)) = multiply(greatest_lower_bound(A,identity),inverse(A)),
inference(paramod,[status(thm)],[c_4,c_9331]) ).
cnf(c_9333,plain,
multiply(inverse(A),greatest_lower_bound(identity,A)) = multiply(greatest_lower_bound(A,identity),inverse(A)),
inference(paramod,[status(thm)],[c_207,c_9332]) ).
cnf(c_476,plain,
multiply(greatest_lower_bound(A,identity),inverse(A)) = multiply(inverse(A),greatest_lower_bound(identity,A)),
inference(copy,[status(thm)],[c_9333]) ).
cnf(c_9334,plain,
multiply(multiply(inverse(A),greatest_lower_bound(identity,A)),B) = multiply(greatest_lower_bound(identity,A),multiply(inverse(A),B)),
inference(paramod,[status(thm)],[c_475,c_3]) ).
cnf(c_9335,plain,
multiply(inverse(A),multiply(greatest_lower_bound(identity,A),B)) = multiply(greatest_lower_bound(identity,A),multiply(inverse(A),B)),
inference(paramod,[status(thm)],[c_3,c_9334]) ).
cnf(c_506,plain,
multiply(greatest_lower_bound(identity,A),multiply(inverse(A),B)) = multiply(inverse(A),multiply(greatest_lower_bound(identity,A),B)),
inference(copy,[status(thm)],[c_9335]) ).
cnf(c_519,plain,
multiply(greatest_lower_bound(A,identity),inverse(A)) = multiply(inverse(A),greatest_lower_bound(A,identity)),
inference(paramod,[status(thm)],[c_4,c_476]) ).
cnf(c_9336,plain,
multiply(multiply(inverse(A),greatest_lower_bound(A,identity)),B) = multiply(greatest_lower_bound(A,identity),multiply(inverse(A),B)),
inference(paramod,[status(thm)],[c_519,c_3]) ).
cnf(c_9337,plain,
multiply(inverse(A),multiply(greatest_lower_bound(A,identity),B)) = multiply(greatest_lower_bound(A,identity),multiply(inverse(A),B)),
inference(paramod,[status(thm)],[c_3,c_9336]) ).
cnf(c_545,plain,
multiply(greatest_lower_bound(A,identity),multiply(inverse(A),B)) = multiply(inverse(A),multiply(greatest_lower_bound(A,identity),B)),
inference(copy,[status(thm)],[c_9337]) ).
cnf(c_558,plain,
least_upper_bound(multiply(A,B),C) = multiply(A,least_upper_bound(B,multiply(inverse(A),C))),
inference(paramod,[status(thm)],[c_463,c_15]) ).
cnf(c_559,plain,
greatest_lower_bound(multiply(A,B),C) = multiply(A,greatest_lower_bound(B,multiply(inverse(A),C))),
inference(paramod,[status(thm)],[c_463,c_17]) ).
cnf(c_855,plain,
multiply(inverse(greatest_lower_bound(A,identity)),multiply(A,greatest_lower_bound(identity,A))) = A,
inference(paramod,[status(thm)],[c_85,c_157]) ).
cnf(c_9338,plain,
greatest_lower_bound(least_upper_bound(greatest_lower_bound(A,B),C),least_upper_bound(A,C)) = least_upper_bound(greatest_lower_bound(A,B),C),
inference(paramod,[status(thm)],[c_37,c_39]) ).
cnf(c_1169,plain,
greatest_lower_bound(least_upper_bound(A,B),least_upper_bound(greatest_lower_bound(A,C),B)) = least_upper_bound(greatest_lower_bound(A,C),B),
inference(paramod,[status(thm)],[c_4,c_9338]) ).
cnf(c_1867,plain,
greatest_lower_bound(identity,multiply(inverse(A),least_upper_bound(A,B))) = identity,
inference(paramod,[status(thm)],[c_43,c_13]) ).
cnf(c_1962,plain,
greatest_lower_bound(identity,multiply(inverse(A),least_upper_bound(B,A))) = identity,
inference(paramod,[status(thm)],[c_5,c_1867]) ).
cnf(c_9339,plain,
greatest_lower_bound(multiply(inverse(A),B),multiply(greatest_lower_bound(identity,A),multiply(inverse(A),B))) = greatest_lower_bound(multiply(inverse(A),B),B),
inference(paramod,[status(thm)],[c_463,c_145]) ).
cnf(c_9340,plain,
greatest_lower_bound(multiply(inverse(A),B),multiply(inverse(A),multiply(greatest_lower_bound(identity,A),B))) = greatest_lower_bound(multiply(inverse(A),B),B),
inference(paramod,[status(thm)],[c_506,c_9339]) ).
cnf(c_9341,plain,
multiply(inverse(A),greatest_lower_bound(B,multiply(inverse(inverse(A)),multiply(inverse(A),multiply(greatest_lower_bound(identity,A),B))))) = greatest_lower_bound(multiply(inverse(A),B),B),
inference(paramod,[status(thm)],[c_559,c_9340]) ).
cnf(c_9342,plain,
multiply(inverse(A),greatest_lower_bound(B,multiply(A,multiply(inverse(A),multiply(greatest_lower_bound(identity,A),B))))) = greatest_lower_bound(multiply(inverse(A),B),B),
inference(paramod,[status(thm)],[c_464,c_9341]) ).
cnf(c_9343,plain,
multiply(inverse(A),greatest_lower_bound(B,multiply(greatest_lower_bound(identity,A),B))) = greatest_lower_bound(multiply(inverse(A),B),B),
inference(paramod,[status(thm)],[c_463,c_9342]) ).
cnf(c_9344,plain,
multiply(inverse(A),greatest_lower_bound(B,multiply(A,B))) = greatest_lower_bound(multiply(inverse(A),B),B),
inference(paramod,[status(thm)],[c_145,c_9343]) ).
cnf(c_9345,plain,
multiply(inverse(A),greatest_lower_bound(B,multiply(A,B))) = greatest_lower_bound(B,multiply(inverse(A),B)),
inference(paramod,[status(thm)],[c_4,c_9344]) ).
cnf(c_2359,plain,
greatest_lower_bound(A,multiply(inverse(B),A)) = multiply(inverse(B),greatest_lower_bound(A,multiply(B,A))),
inference(copy,[status(thm)],[c_9345]) ).
cnf(c_9346,plain,
least_upper_bound(greatest_lower_bound(A,identity),multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,inverse(A)))) = least_upper_bound(greatest_lower_bound(A,identity),multiply(inverse(A),greatest_lower_bound(A,identity))),
inference(paramod,[status(thm)],[c_519,c_176]) ).
cnf(c_9347,plain,
least_upper_bound(greatest_lower_bound(A,identity),multiply(greatest_lower_bound(A,identity),multiply(inverse(A),least_upper_bound(identity,A)))) = least_upper_bound(greatest_lower_bound(A,identity),multiply(inverse(A),greatest_lower_bound(A,identity))),
inference(paramod,[status(thm)],[c_158,c_9346]) ).
cnf(c_9348,plain,
least_upper_bound(greatest_lower_bound(A,identity),multiply(inverse(A),multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)))) = least_upper_bound(greatest_lower_bound(A,identity),multiply(inverse(A),greatest_lower_bound(A,identity))),
inference(paramod,[status(thm)],[c_545,c_9347]) ).
cnf(c_9349,plain,
least_upper_bound(greatest_lower_bound(A,identity),multiply(inverse(A),multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)))) = multiply(least_upper_bound(identity,inverse(A)),greatest_lower_bound(A,identity)),
inference(paramod,[status(thm)],[c_49,c_9348]) ).
cnf(c_9350,plain,
least_upper_bound(greatest_lower_bound(A,identity),multiply(inverse(A),multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)))) = multiply(multiply(inverse(A),least_upper_bound(identity,A)),greatest_lower_bound(A,identity)),
inference(paramod,[status(thm)],[c_158,c_9349]) ).
cnf(c_9351,plain,
least_upper_bound(greatest_lower_bound(A,identity),multiply(inverse(A),multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)))) = multiply(inverse(A),multiply(least_upper_bound(identity,A),greatest_lower_bound(A,identity))),
inference(paramod,[status(thm)],[c_3,c_9350]) ).
cnf(c_2585,plain,
least_upper_bound(greatest_lower_bound(A,identity),multiply(inverse(A),multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)))) = multiply(inverse(A),multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,A))),
inference(paramod,[status(thm)],[c_263,c_9351]) ).
cnf(c_9352,plain,
multiply(inverse(greatest_lower_bound(inverse(A),identity)),greatest_lower_bound(identity,multiply(identity,A))) = A,
inference(paramod,[status(thm)],[c_59,c_380]) ).
cnf(c_9353,plain,
multiply(inverse(greatest_lower_bound(identity,inverse(A))),greatest_lower_bound(identity,multiply(identity,A))) = A,
inference(paramod,[status(thm)],[c_4,c_9352]) ).
cnf(c_9354,plain,
multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,A))),greatest_lower_bound(identity,multiply(identity,A))) = A,
inference(paramod,[status(thm)],[c_207,c_9353]) ).
cnf(c_4448,plain,
multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,A))),greatest_lower_bound(identity,A)) = A,
inference(paramod,[status(thm)],[c_1,c_9354]) ).
cnf(c_9355,plain,
least_upper_bound(inverse(inverse(greatest_lower_bound(A,identity))),multiply(A,greatest_lower_bound(identity,A))) = multiply(inverse(inverse(greatest_lower_bound(A,identity))),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_855,c_175]) ).
cnf(c_9356,plain,
least_upper_bound(greatest_lower_bound(A,identity),multiply(A,greatest_lower_bound(identity,A))) = multiply(inverse(inverse(greatest_lower_bound(A,identity))),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_464,c_9355]) ).
cnf(c_4598,plain,
least_upper_bound(greatest_lower_bound(A,identity),multiply(A,greatest_lower_bound(identity,A))) = multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_464,c_9356]) ).
cnf(c_9357,plain,
greatest_lower_bound(multiply(A,least_upper_bound(identity,B)),least_upper_bound(greatest_lower_bound(A,C),multiply(A,B))) = least_upper_bound(greatest_lower_bound(A,C),multiply(A,B)),
inference(paramod,[status(thm)],[c_83,c_1169]) ).
cnf(c_7284,plain,
multiply(A,greatest_lower_bound(least_upper_bound(identity,B),multiply(inverse(A),least_upper_bound(greatest_lower_bound(A,C),multiply(A,B))))) = least_upper_bound(greatest_lower_bound(A,C),multiply(A,B)),
inference(paramod,[status(thm)],[c_559,c_9357]) ).
cnf(c_9358,plain,
greatest_lower_bound(least_upper_bound(identity,A),least_upper_bound(multiply(greatest_lower_bound(B,inverse(C)),C),A)) = least_upper_bound(greatest_lower_bound(identity,multiply(B,C)),A),
inference(paramod,[status(thm)],[c_59,c_1169]) ).
cnf(c_9359,plain,
greatest_lower_bound(least_upper_bound(identity,A),multiply(greatest_lower_bound(B,inverse(C)),least_upper_bound(C,multiply(inverse(greatest_lower_bound(B,inverse(C))),A)))) = least_upper_bound(greatest_lower_bound(identity,multiply(B,C)),A),
inference(paramod,[status(thm)],[c_558,c_9358]) ).
cnf(c_7303,plain,
least_upper_bound(greatest_lower_bound(identity,multiply(A,B)),C) = greatest_lower_bound(least_upper_bound(identity,C),multiply(greatest_lower_bound(A,inverse(B)),least_upper_bound(B,multiply(inverse(greatest_lower_bound(A,inverse(B))),C)))),
inference(copy,[status(thm)],[c_9359]) ).
cnf(c_9360,plain,
greatest_lower_bound(least_upper_bound(identity,A),least_upper_bound(greatest_lower_bound(identity,multiply(inverse(B),C)),A)) = least_upper_bound(multiply(inverse(B),greatest_lower_bound(B,C)),A),
inference(paramod,[status(thm)],[c_46,c_1169]) ).
cnf(c_9361,plain,
greatest_lower_bound(least_upper_bound(identity,A),greatest_lower_bound(least_upper_bound(identity,A),multiply(greatest_lower_bound(inverse(B),inverse(C)),least_upper_bound(C,multiply(inverse(greatest_lower_bound(inverse(B),inverse(C))),A))))) = least_upper_bound(multiply(inverse(B),greatest_lower_bound(B,C)),A),
inference(paramod,[status(thm)],[c_7303,c_9360]) ).
cnf(c_9362,plain,
greatest_lower_bound(least_upper_bound(identity,A),greatest_lower_bound(least_upper_bound(identity,A),multiply(multiply(inverse(B),greatest_lower_bound(identity,multiply(B,inverse(C)))),least_upper_bound(C,multiply(inverse(greatest_lower_bound(inverse(B),inverse(C))),A))))) = least_upper_bound(multiply(inverse(B),greatest_lower_bound(B,C)),A),
inference(paramod,[status(thm)],[c_221,c_9361]) ).
cnf(c_9363,plain,
greatest_lower_bound(least_upper_bound(identity,A),greatest_lower_bound(least_upper_bound(identity,A),multiply(multiply(inverse(B),greatest_lower_bound(identity,multiply(B,inverse(C)))),least_upper_bound(C,multiply(inverse(multiply(inverse(B),greatest_lower_bound(identity,multiply(B,inverse(C))))),A))))) = least_upper_bound(multiply(inverse(B),greatest_lower_bound(B,C)),A),
inference(paramod,[status(thm)],[c_221,c_9362]) ).
cnf(c_9364,plain,
greatest_lower_bound(least_upper_bound(identity,A),greatest_lower_bound(least_upper_bound(identity,A),multiply(inverse(B),multiply(greatest_lower_bound(identity,multiply(B,inverse(C))),least_upper_bound(C,multiply(inverse(multiply(inverse(B),greatest_lower_bound(identity,multiply(B,inverse(C))))),A)))))) = least_upper_bound(multiply(inverse(B),greatest_lower_bound(B,C)),A),
inference(paramod,[status(thm)],[c_3,c_9363]) ).
cnf(c_9365,plain,
greatest_lower_bound(least_upper_bound(identity,A),multiply(inverse(B),multiply(greatest_lower_bound(identity,multiply(B,inverse(C))),least_upper_bound(C,multiply(inverse(multiply(inverse(B),greatest_lower_bound(identity,multiply(B,inverse(C))))),A))))) = least_upper_bound(multiply(inverse(B),greatest_lower_bound(B,C)),A),
inference(paramod,[status(thm)],[c_32,c_9364]) ).
cnf(c_9366,plain,
greatest_lower_bound(least_upper_bound(identity,A),multiply(inverse(B),multiply(greatest_lower_bound(identity,multiply(B,inverse(C))),least_upper_bound(C,multiply(inverse(multiply(inverse(B),greatest_lower_bound(identity,multiply(B,inverse(C))))),A))))) = multiply(inverse(B),least_upper_bound(greatest_lower_bound(B,C),multiply(inverse(inverse(B)),A))),
inference(paramod,[status(thm)],[c_558,c_9365]) ).
cnf(c_9367,plain,
greatest_lower_bound(least_upper_bound(identity,A),multiply(inverse(B),multiply(greatest_lower_bound(identity,multiply(B,inverse(C))),least_upper_bound(C,multiply(inverse(multiply(inverse(B),greatest_lower_bound(identity,multiply(B,inverse(C))))),A))))) = multiply(inverse(B),least_upper_bound(greatest_lower_bound(B,C),multiply(B,A))),
inference(paramod,[status(thm)],[c_464,c_9366]) ).
cnf(c_7339,plain,
multiply(inverse(A),least_upper_bound(greatest_lower_bound(A,B),multiply(A,C))) = greatest_lower_bound(least_upper_bound(identity,C),multiply(inverse(A),multiply(greatest_lower_bound(identity,multiply(A,inverse(B))),least_upper_bound(B,multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,multiply(A,inverse(B))))),C))))),
inference(copy,[status(thm)],[c_9367]) ).
cnf(c_9368,plain,
multiply(A,greatest_lower_bound(least_upper_bound(identity,B),greatest_lower_bound(least_upper_bound(identity,B),multiply(inverse(A),multiply(greatest_lower_bound(identity,multiply(A,inverse(C))),least_upper_bound(C,multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,multiply(A,inverse(C))))),B))))))) = least_upper_bound(greatest_lower_bound(A,C),multiply(A,B)),
inference(paramod,[status(thm)],[c_7339,c_7284]) ).
cnf(c_9369,plain,
multiply(A,greatest_lower_bound(least_upper_bound(identity,B),multiply(inverse(A),multiply(greatest_lower_bound(identity,multiply(A,inverse(C))),least_upper_bound(C,multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,multiply(A,inverse(C))))),B)))))) = least_upper_bound(greatest_lower_bound(A,C),multiply(A,B)),
inference(paramod,[status(thm)],[c_32,c_9368]) ).
cnf(c_7458,plain,
least_upper_bound(greatest_lower_bound(A,B),multiply(A,C)) = multiply(A,greatest_lower_bound(least_upper_bound(identity,C),multiply(inverse(A),multiply(greatest_lower_bound(identity,multiply(A,inverse(B))),least_upper_bound(B,multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,multiply(A,inverse(B))))),C)))))),
inference(copy,[status(thm)],[c_9369]) ).
cnf(c_9370,plain,
multiply(A,greatest_lower_bound(least_upper_bound(identity,greatest_lower_bound(identity,A)),multiply(inverse(A),multiply(greatest_lower_bound(identity,multiply(A,inverse(identity))),least_upper_bound(identity,multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,multiply(A,inverse(identity))))),greatest_lower_bound(identity,A))))))) = multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_7458,c_4598]) ).
cnf(c_9371,plain,
multiply(A,greatest_lower_bound(identity,multiply(inverse(A),multiply(greatest_lower_bound(identity,multiply(A,inverse(identity))),least_upper_bound(identity,multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,multiply(A,inverse(identity))))),greatest_lower_bound(identity,A))))))) = multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_12,c_9370]) ).
cnf(c_9372,plain,
multiply(A,greatest_lower_bound(identity,multiply(inverse(A),multiply(greatest_lower_bound(identity,multiply(A,identity)),least_upper_bound(identity,multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,multiply(A,inverse(identity))))),greatest_lower_bound(identity,A))))))) = multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_82,c_9371]) ).
cnf(c_9373,plain,
multiply(A,greatest_lower_bound(identity,multiply(inverse(A),multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,multiply(A,inverse(identity))))),greatest_lower_bound(identity,A))))))) = multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_81,c_9372]) ).
cnf(c_9374,plain,
multiply(A,greatest_lower_bound(identity,multiply(inverse(A),multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,multiply(A,identity)))),greatest_lower_bound(identity,A))))))) = multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_82,c_9373]) ).
cnf(c_9375,plain,
multiply(A,greatest_lower_bound(identity,multiply(inverse(A),multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,multiply(inverse(multiply(inverse(A),greatest_lower_bound(identity,A))),greatest_lower_bound(identity,A))))))) = multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_81,c_9374]) ).
cnf(c_7499,plain,
multiply(A,greatest_lower_bound(identity,multiply(inverse(A),multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,A))))) = multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_4448,c_9375]) ).
cnf(c_9376,plain,
greatest_lower_bound(A,multiply(inverse(B),greatest_lower_bound(least_upper_bound(A,C),multiply(B,least_upper_bound(A,C))))) = greatest_lower_bound(A,multiply(inverse(B),least_upper_bound(A,C))),
inference(paramod,[status(thm)],[c_2359,c_40]) ).
cnf(c_9241,plain,
greatest_lower_bound(A,multiply(inverse(B),multiply(greatest_lower_bound(identity,B),least_upper_bound(A,C)))) = greatest_lower_bound(A,multiply(inverse(B),least_upper_bound(A,C))),
inference(paramod,[status(thm)],[c_56,c_9376]) ).
cnf(c_9377,plain,
multiply(A,greatest_lower_bound(identity,multiply(inverse(A),least_upper_bound(identity,A)))) = multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_9241,c_7499]) ).
cnf(c_9378,plain,
multiply(A,identity) = multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_1962,c_9377]) ).
cnf(c_9379,plain,
A = multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)),
inference(paramod,[status(thm)],[c_81,c_9378]) ).
cnf(c_9301,plain,
multiply(greatest_lower_bound(A,identity),least_upper_bound(identity,A)) = A,
inference(copy,[status(thm)],[c_9379]) ).
cnf(c_9380,plain,
least_upper_bound(greatest_lower_bound(A,identity),multiply(inverse(A),A)) = multiply(inverse(A),multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,A))),
inference(paramod,[status(thm)],[c_9301,c_2585]) ).
cnf(c_9381,plain,
least_upper_bound(greatest_lower_bound(A,identity),identity) = multiply(inverse(A),multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,A))),
inference(paramod,[status(thm)],[c_2,c_9380]) ).
cnf(c_9382,plain,
least_upper_bound(identity,greatest_lower_bound(A,identity)) = multiply(inverse(A),multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,A))),
inference(paramod,[status(thm)],[c_5,c_9381]) ).
cnf(c_9383,plain,
identity = multiply(inverse(A),multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,A))),
inference(paramod,[status(thm)],[c_35,c_9382]) ).
cnf(c_9304,plain,
multiply(inverse(A),multiply(greatest_lower_bound(identity,A),least_upper_bound(identity,A))) = identity,
inference(copy,[status(thm)],[c_9383]) ).
cnf(c_9305,plain,
$false,
inference(resolve,[status(thm)],[c_9304,c_232]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GRP183-3 : TPTP v9.3.1. Bugfixed v1.2.1.
% 0.00/0.04 % Command : prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.37 % Computer : n008.cluster.edu
% 0.12/0.37 % Model : x86_64 x86_64
% 0.12/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.37 % Memory : 8046.5625MB
% 0.12/0.37 % OS : Linux 6.8.0-71-generic
% 0.12/0.37 % CPULimit : 300
% 0.12/0.37 % WCLimit : 300
% 0.12/0.37 % DateTime : Fri Sep 25 14:36:42 UTC 2026
% 0.12/0.37 % CPUTime :
% 0.12/0.38 % Prover9 (64) version 2026-6A, July 2026, CASC-J13.
% 0.12/0.38 % Process 1276801 was started by sandbox on n008,
% 0.12/0.38 % Fri Sep 25 14:36:42 2026
% 0.12/0.38 % The command was "/export/starexec/sandbox/solver/bin/prover9 -casc 300 -f /export/starexec/sandbox/benchmark/theBenchmark.p".
% 0.12/0.38
% 0.12/0.38 % From the command line: assign(max_seconds, 300).
% 76.42/10.33
% 76.42/10.33 % SZS status Unsatisfiable for theBenchmark
% 76.42/10.33
% 76.42/10.33 % Proof 1 at 1.50 (+ 0.36) seconds.
% 76.42/10.33 % Length of proof is 83.
% 76.42/10.33 % Level of proof is 12.
% 76.42/10.33 % Maximum clause weight is 100.000.
% 76.42/10.33 % Given clauses 327.
% 76.42/10.33
% 76.42/10.33 % SZS output start CNFRefutation for theBenchmark
% See solution above
%------------------------------------------------------------------------------