TSTP Solution File: COL049-1 by Twee---2.4.2

View Problem - Process Solution

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% File     : Twee---2.4.2
% Problem  : COL049-1 : TPTP v8.1.2. Released v1.0.0.
% 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 : n020.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 : Wed Aug 30 18:31:49 EDT 2023

% Result   : Unsatisfiable 4.08s 0.91s
% Output   : Proof 4.08s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
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%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : COL049-1 : TPTP v8.1.2. Released v1.0.0.
% 0.12/0.13  % Command  : parallel-twee %s --tstp --conditional-encoding if --smaller --drop-non-horn --give-up-on-saturation --explain-encoding --formal-proof
% 0.14/0.35  % Computer : n020.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Sun Aug 27 04:58:29 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 4.08/0.91  Command-line arguments: --lhs-weight 1 --flip-ordering --normalise-queue-percent 10 --cp-renormalise-threshold 10
% 4.08/0.91  
% 4.08/0.91  % SZS status Unsatisfiable
% 4.08/0.91  
% 4.08/0.91  % SZS output start Proof
% 4.08/0.91  Axiom 1 (m_definition): apply(m, X) = apply(X, X).
% 4.08/0.91  Axiom 2 (w_definition): apply(apply(w, X), Y) = apply(apply(X, Y), Y).
% 4.08/0.91  Axiom 3 (b_definition): apply(apply(apply(b, X), Y), Z) = apply(X, apply(Y, Z)).
% 4.08/0.91  
% 4.08/0.91  Goal 1 (prove_strong_fixed_point): apply(X, f(X)) = apply(f(X), apply(X, f(X))).
% 4.08/0.91  The goal is true when:
% 4.08/0.91    X = apply(apply(b, apply(apply(b, m), w)), b)
% 4.08/0.91  
% 4.08/0.91  Proof:
% 4.08/0.91    apply(apply(apply(b, apply(apply(b, m), w)), b), f(apply(apply(b, apply(apply(b, m), w)), b)))
% 4.08/0.91  = { by axiom 3 (b_definition) }
% 4.08/0.91    apply(apply(apply(b, m), w), apply(b, f(apply(apply(b, apply(apply(b, m), w)), b))))
% 4.08/0.91  = { by axiom 3 (b_definition) }
% 4.08/0.91    apply(m, apply(w, apply(b, f(apply(apply(b, apply(apply(b, m), w)), b)))))
% 4.08/0.91  = { by axiom 1 (m_definition) }
% 4.08/0.91    apply(apply(w, apply(b, f(apply(apply(b, apply(apply(b, m), w)), b)))), apply(w, apply(b, f(apply(apply(b, apply(apply(b, m), w)), b)))))
% 4.08/0.91  = { by axiom 2 (w_definition) }
% 4.08/0.91    apply(apply(apply(b, f(apply(apply(b, apply(apply(b, m), w)), b))), apply(w, apply(b, f(apply(apply(b, apply(apply(b, m), w)), b))))), apply(w, apply(b, f(apply(apply(b, apply(apply(b, m), w)), b)))))
% 4.08/0.91  = { by axiom 3 (b_definition) }
% 4.08/0.91    apply(f(apply(apply(b, apply(apply(b, m), w)), b)), apply(apply(w, apply(b, f(apply(apply(b, apply(apply(b, m), w)), b)))), apply(w, apply(b, f(apply(apply(b, apply(apply(b, m), w)), b))))))
% 4.08/0.91  = { by axiom 1 (m_definition) R->L }
% 4.08/0.91    apply(f(apply(apply(b, apply(apply(b, m), w)), b)), apply(m, apply(w, apply(b, f(apply(apply(b, apply(apply(b, m), w)), b))))))
% 4.08/0.91  = { by axiom 3 (b_definition) R->L }
% 4.08/0.91    apply(f(apply(apply(b, apply(apply(b, m), w)), b)), apply(apply(apply(b, m), w), apply(b, f(apply(apply(b, apply(apply(b, m), w)), b)))))
% 4.08/0.91  = { by axiom 3 (b_definition) R->L }
% 4.08/0.91    apply(f(apply(apply(b, apply(apply(b, m), w)), b)), apply(apply(apply(b, apply(apply(b, m), w)), b), f(apply(apply(b, apply(apply(b, m), w)), b))))
% 4.08/0.91  % SZS output end Proof
% 4.08/0.91  
% 4.08/0.91  RESULT: Unsatisfiable (the axioms are contradictory).
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