TSTP Solution File: COL003-18 by Twee---2.4.2

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Twee---2.4.2
% Problem  : COL003-18 : TPTP v8.1.2. Released v2.1.0.
% 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 : n029.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 18:31:32 EDT 2023

% Result   : Unsatisfiable 0.17s 0.60s
% Output   : Proof 0.17s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : COL003-18 : TPTP v8.1.2. Released v2.1.0.
% 0.00/0.12  % Command  : parallel-twee %s --tstp --conditional-encoding if --smaller --drop-non-horn --give-up-on-saturation --explain-encoding --formal-proof
% 0.11/0.32  % Computer : n029.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 300
% 0.11/0.32  % DateTime : Sun Aug 27 04:51:25 EDT 2023
% 0.11/0.32  % CPUTime  : 
% 0.17/0.60  Command-line arguments: --flatten
% 0.17/0.60  
% 0.17/0.60  % SZS status Unsatisfiable
% 0.17/0.60  
% 0.17/0.60  % SZS output start Proof
% 0.17/0.60  Axiom 1 (w_definition): apply(apply(w, X), Y) = apply(apply(X, Y), Y).
% 0.17/0.60  Axiom 2 (b_definition): apply(apply(apply(b, X), Y), Z) = apply(X, apply(Y, Z)).
% 0.17/0.60  Axiom 3 (strong_fixed_point): strong_fixed_point = apply(apply(b, apply(apply(b, apply(w, w)), apply(b, w))), apply(apply(b, b), b)).
% 0.17/0.60  
% 0.17/0.60  Goal 1 (prove_strong_fixed_point): apply(strong_fixed_point, fixed_pt) = apply(fixed_pt, apply(strong_fixed_point, fixed_pt)).
% 0.17/0.60  Proof:
% 0.17/0.60    apply(strong_fixed_point, fixed_pt)
% 0.17/0.60  = { by axiom 3 (strong_fixed_point) }
% 0.17/0.60    apply(apply(apply(b, apply(apply(b, apply(w, w)), apply(b, w))), apply(apply(b, b), b)), fixed_pt)
% 0.17/0.60  = { by axiom 2 (b_definition) }
% 0.17/0.60    apply(apply(apply(b, apply(w, w)), apply(b, w)), apply(apply(apply(b, b), b), fixed_pt))
% 0.17/0.60  = { by axiom 2 (b_definition) }
% 0.17/0.60    apply(apply(w, w), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)))
% 0.17/0.60  = { by axiom 1 (w_definition) }
% 0.17/0.60    apply(apply(w, apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)))
% 0.17/0.60  = { by axiom 1 (w_definition) }
% 0.17/0.60    apply(apply(apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)))
% 0.17/0.60  = { by axiom 2 (b_definition) }
% 0.17/0.60    apply(apply(w, apply(apply(apply(apply(b, b), b), fixed_pt), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)))
% 0.17/0.60  = { by axiom 1 (w_definition) }
% 0.17/0.60    apply(apply(apply(apply(apply(apply(b, b), b), fixed_pt), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)))
% 0.17/0.60  = { by axiom 1 (w_definition) R->L }
% 0.17/0.60    apply(apply(apply(w, apply(apply(apply(b, b), b), fixed_pt)), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)))
% 0.17/0.60  = { by axiom 2 (b_definition) }
% 0.17/0.60    apply(apply(apply(w, apply(b, apply(b, fixed_pt))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)))
% 0.17/0.60  = { by axiom 1 (w_definition) }
% 0.17/0.60    apply(apply(apply(apply(b, apply(b, fixed_pt)), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)))
% 0.17/0.60  = { by axiom 2 (b_definition) }
% 0.17/0.60    apply(apply(apply(b, fixed_pt), apply(apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)))
% 0.17/0.60  = { by axiom 2 (b_definition) }
% 0.17/0.60    apply(fixed_pt, apply(apply(apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt)), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))))
% 0.17/0.60  = { by axiom 1 (w_definition) R->L }
% 0.17/0.60    apply(fixed_pt, apply(apply(w, apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))))
% 0.17/0.60  = { by axiom 1 (w_definition) R->L }
% 0.17/0.60    apply(fixed_pt, apply(apply(w, w), apply(apply(b, w), apply(apply(apply(b, b), b), fixed_pt))))
% 0.17/0.60  = { by axiom 2 (b_definition) R->L }
% 0.17/0.60    apply(fixed_pt, apply(apply(apply(b, apply(w, w)), apply(b, w)), apply(apply(apply(b, b), b), fixed_pt)))
% 0.17/0.60  = { by axiom 2 (b_definition) R->L }
% 0.17/0.60    apply(fixed_pt, apply(apply(apply(b, apply(apply(b, apply(w, w)), apply(b, w))), apply(apply(b, b), b)), fixed_pt))
% 0.17/0.60  = { by axiom 3 (strong_fixed_point) R->L }
% 0.17/0.61    apply(fixed_pt, apply(strong_fixed_point, fixed_pt))
% 0.17/0.61  % SZS output end Proof
% 0.17/0.61  
% 0.17/0.61  RESULT: Unsatisfiable (the axioms are contradictory).
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