TSTP Solution File: GRP403-1 by Twee---2.4.2

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Twee---2.4.2
% Problem  : GRP403-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : parallel-twee %s --tstp --conditional-encoding if --smaller --drop-non-horn --give-up-on-saturation --explain-encoding --formal-proof

% Computer : n018.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  : 300s
% DateTime : Thu Aug 31 01:18:17 EDT 2023

% Result   : Unsatisfiable 0.21s 0.44s
% Output   : Proof 0.21s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP403-1 : TPTP v8.1.2. Released v2.6.0.
% 0.07/0.13  % Command  : parallel-twee %s --tstp --conditional-encoding if --smaller --drop-non-horn --give-up-on-saturation --explain-encoding --formal-proof
% 0.13/0.35  % Computer : n018.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Tue Aug 29 02:14:17 EDT 2023
% 0.13/0.36  % CPUTime  : 
% 0.21/0.44  Command-line arguments: --set-join --lhs-weight 1 --no-flatten-goal --complete-subsets --goal-heuristic
% 0.21/0.44  
% 0.21/0.44  % SZS status Unsatisfiable
% 0.21/0.44  
% 0.21/0.45  % SZS output start Proof
% 0.21/0.45  Axiom 1 (single_axiom): multiply(X, inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), Z)), inverse(multiply(Y, multiply(inverse(Y), Y)))))) = Z.
% 0.21/0.45  
% 0.21/0.45  Lemma 2: inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), Z)), W)), inverse(multiply(Z, multiply(inverse(Z), Z))))) = multiply(X, inverse(multiply(inverse(W), inverse(multiply(Y, multiply(inverse(Y), Y)))))).
% 0.21/0.45  Proof:
% 0.21/0.45    inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), Z)), W)), inverse(multiply(Z, multiply(inverse(Z), Z)))))
% 0.21/0.45  = { by axiom 1 (single_axiom) R->L }
% 0.21/0.45    multiply(X, inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), Z)), W)), inverse(multiply(Z, multiply(inverse(Z), Z))))))), inverse(multiply(Y, multiply(inverse(Y), Y))))))
% 0.21/0.45  = { by axiom 1 (single_axiom) }
% 0.21/0.45    multiply(X, inverse(multiply(inverse(W), inverse(multiply(Y, multiply(inverse(Y), Y))))))
% 0.21/0.45  
% 0.21/0.45  Lemma 3: multiply(inverse(multiply(X, Y)), multiply(X, inverse(multiply(inverse(Z), inverse(multiply(Y, multiply(inverse(Y), Y))))))) = Z.
% 0.21/0.45  Proof:
% 0.21/0.45    multiply(inverse(multiply(X, Y)), multiply(X, inverse(multiply(inverse(Z), inverse(multiply(Y, multiply(inverse(Y), Y)))))))
% 0.21/0.45  = { by lemma 2 R->L }
% 0.21/0.45    multiply(inverse(multiply(X, Y)), inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), W)), Z)), inverse(multiply(W, multiply(inverse(W), W))))))
% 0.21/0.45  = { by axiom 1 (single_axiom) }
% 0.21/0.45    Z
% 0.21/0.45  
% 0.21/0.45  Lemma 4: inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), Z)), multiply(inverse(multiply(X, Y)), W))), inverse(multiply(Z, multiply(inverse(Z), Z))))) = W.
% 0.21/0.45  Proof:
% 0.21/0.45    inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), Z)), multiply(inverse(multiply(X, Y)), W))), inverse(multiply(Z, multiply(inverse(Z), Z)))))
% 0.21/0.45  = { by lemma 2 }
% 0.21/0.45    multiply(X, inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), W)), inverse(multiply(Y, multiply(inverse(Y), Y))))))
% 0.21/0.45  = { by axiom 1 (single_axiom) }
% 0.21/0.46    W
% 0.21/0.46  
% 0.21/0.46  Lemma 5: inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), multiply(X, Z))), inverse(multiply(Y, multiply(inverse(Y), Y))))) = Z.
% 0.21/0.46  Proof:
% 0.21/0.46    inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), multiply(X, Z))), inverse(multiply(Y, multiply(inverse(Y), Y)))))
% 0.21/0.46  = { by lemma 4 R->L }
% 0.21/0.46    inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), multiply(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(W, V)), U)), multiply(inverse(multiply(W, V)), X))), inverse(multiply(U, multiply(inverse(U), U))))), Z))), inverse(multiply(Y, multiply(inverse(Y), Y)))))
% 0.21/0.46  = { by lemma 4 R->L }
% 0.21/0.46    inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(W, V)), U)), multiply(inverse(multiply(W, V)), X))), inverse(multiply(U, multiply(inverse(U), U))))), Y)), multiply(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(W, V)), U)), multiply(inverse(multiply(W, V)), X))), inverse(multiply(U, multiply(inverse(U), U))))), Z))), inverse(multiply(Y, multiply(inverse(Y), Y)))))
% 0.21/0.46  = { by lemma 4 }
% 0.21/0.46    Z
% 0.21/0.46  
% 0.21/0.46  Lemma 6: multiply(inverse(multiply(inverse(multiply(X, Y)), multiply(X, inverse(Z)))), inverse(multiply(Y, multiply(inverse(Y), Y)))) = Z.
% 0.21/0.46  Proof:
% 0.21/0.46    multiply(inverse(multiply(inverse(multiply(X, Y)), multiply(X, inverse(Z)))), inverse(multiply(Y, multiply(inverse(Y), Y))))
% 0.21/0.46  = { by axiom 1 (single_axiom) R->L }
% 0.21/0.46    multiply(inverse(multiply(inverse(multiply(X, Y)), multiply(X, inverse(Z)))), multiply(inverse(multiply(X, Y)), inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), multiply(X, inverse(Z)))), inverse(multiply(Y, multiply(inverse(Y), Y))))), inverse(multiply(multiply(X, inverse(Z)), multiply(inverse(multiply(X, inverse(Z))), multiply(X, inverse(Z)))))))))
% 0.21/0.46  = { by lemma 5 }
% 0.21/0.46    multiply(inverse(multiply(inverse(multiply(X, Y)), multiply(X, inverse(Z)))), multiply(inverse(multiply(X, Y)), inverse(multiply(inverse(Z), inverse(multiply(multiply(X, inverse(Z)), multiply(inverse(multiply(X, inverse(Z))), multiply(X, inverse(Z)))))))))
% 0.21/0.46  = { by lemma 3 }
% 0.21/0.46    Z
% 0.21/0.46  
% 0.21/0.46  Goal 1 (prove_these_axioms_1): multiply(inverse(a1), a1) = multiply(inverse(b1), b1).
% 0.21/0.46  Proof:
% 0.21/0.46    multiply(inverse(a1), a1)
% 0.21/0.46  = { by lemma 6 R->L }
% 0.21/0.46    multiply(inverse(a1), multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), Z)), multiply(inverse(multiply(X, Y)), inverse(a1)))), inverse(multiply(Z, multiply(inverse(Z), Z)))))
% 0.21/0.46  = { by lemma 4 R->L }
% 0.21/0.46    multiply(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), Z)), multiply(inverse(multiply(X, Y)), inverse(a1)))), inverse(multiply(Z, multiply(inverse(Z), Z))))), multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), Z)), multiply(inverse(multiply(X, Y)), inverse(a1)))), inverse(multiply(Z, multiply(inverse(Z), Z)))))
% 0.21/0.46  = { by lemma 5 R->L }
% 0.21/0.46    multiply(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), Z)), multiply(inverse(multiply(X, Y)), inverse(a1)))), inverse(multiply(Z, multiply(inverse(Z), Z))))), multiply(inverse(multiply(inverse(multiply(inverse(multiply(X, Y)), Z)), multiply(inverse(multiply(X, Y)), inverse(a1)))), inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(W, V)), Z)), multiply(inverse(multiply(W, V)), inverse(b1)))), inverse(multiply(Z, multiply(inverse(Z), Z))))), multiply(inverse(multiply(inverse(multiply(inverse(multiply(W, V)), Z)), multiply(inverse(multiply(W, V)), inverse(b1)))), inverse(multiply(Z, multiply(inverse(Z), Z)))))), inverse(multiply(inverse(multiply(Z, multiply(inverse(Z), Z))), multiply(inverse(inverse(multiply(Z, multiply(inverse(Z), Z)))), inverse(multiply(Z, multiply(inverse(Z), Z))))))))))
% 0.21/0.46  = { by lemma 3 }
% 0.21/0.46    multiply(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(W, V)), Z)), multiply(inverse(multiply(W, V)), inverse(b1)))), inverse(multiply(Z, multiply(inverse(Z), Z))))), multiply(inverse(multiply(inverse(multiply(inverse(multiply(W, V)), Z)), multiply(inverse(multiply(W, V)), inverse(b1)))), inverse(multiply(Z, multiply(inverse(Z), Z)))))
% 0.21/0.46  = { by lemma 4 }
% 0.21/0.46    multiply(inverse(b1), multiply(inverse(multiply(inverse(multiply(inverse(multiply(W, V)), Z)), multiply(inverse(multiply(W, V)), inverse(b1)))), inverse(multiply(Z, multiply(inverse(Z), Z)))))
% 0.21/0.46  = { by lemma 6 }
% 0.21/0.46    multiply(inverse(b1), b1)
% 0.21/0.46  % SZS output end Proof
% 0.21/0.46  
% 0.21/0.46  RESULT: Unsatisfiable (the axioms are contradictory).
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