TSTP Solution File: LCL294-3 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : LCL294-3 : TPTP v8.1.2. Released v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n001.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 May 31 12:18:57 EDT 2023

% Result   : Unsatisfiable 0.13s 0.33s
% Output   : CNFRefutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   48 (  30 unt;   0 def)
%            Number of atoms       :   69 (   8 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   46 (  25   ~;  21   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   4 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   2 con; 0-2 aty)
%            Number of variables   :   80 (;  80   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A] : axiom(implies(or(A,A),A)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [A,B] : axiom(implies(A,or(B,A))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [A,B] : axiom(implies(or(A,B),or(B,A))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [A,B,C] : axiom(implies(or(A,or(B,C)),or(B,or(A,C)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [X,Y] : implies(X,Y) = or(not(X),Y),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f7,axiom,
    ! [X] :
      ( theorem(X)
      | ~ axiom(X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f8,axiom,
    ! [X,Y] :
      ( theorem(X)
      | ~ theorem(implies(Y,X))
      | ~ theorem(Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f9,axiom,
    ! [P,Q] : and(P,Q) = not(or(not(P),not(Q))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f10,axiom,
    ! [P,Q] : equivalent(P,Q) = and(implies(P,Q),implies(Q,P)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f11,negated_conjecture,
    ~ theorem(equivalent(implies(p,q),or(not(p),q))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f12,plain,
    ! [X0] : axiom(implies(or(X0,X0),X0)),
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f13,plain,
    ! [X0,X1] : axiom(implies(X0,or(X1,X0))),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f14,plain,
    ! [X0,X1] : axiom(implies(or(X0,X1),or(X1,X0))),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f15,plain,
    ! [X0,X1,X2] : axiom(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f17,plain,
    ! [X0,X1] : implies(X0,X1) = or(not(X0),X1),
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f18,plain,
    ! [X0] :
      ( theorem(X0)
      | ~ axiom(X0) ),
    inference(cnf_transformation,[status(esa)],[f7]) ).

fof(f19,plain,
    ! [Y] :
      ( ! [X] :
          ( theorem(X)
          | ~ theorem(implies(Y,X)) )
      | ~ theorem(Y) ),
    inference(miniscoping,[status(esa)],[f8]) ).

fof(f20,plain,
    ! [X0,X1] :
      ( theorem(X0)
      | ~ theorem(implies(X1,X0))
      | ~ theorem(X1) ),
    inference(cnf_transformation,[status(esa)],[f19]) ).

fof(f21,plain,
    ! [X0,X1] : and(X0,X1) = not(or(not(X0),not(X1))),
    inference(cnf_transformation,[status(esa)],[f9]) ).

fof(f22,plain,
    ! [X0,X1] : equivalent(X0,X1) = and(implies(X0,X1),implies(X1,X0)),
    inference(cnf_transformation,[status(esa)],[f10]) ).

fof(f23,plain,
    ~ theorem(equivalent(implies(p,q),or(not(p),q))),
    inference(cnf_transformation,[status(esa)],[f11]) ).

fof(f24,plain,
    ~ theorem(equivalent(implies(p,q),implies(p,q))),
    inference(backward_demodulation,[status(thm)],[f17,f23]) ).

fof(f25,plain,
    ! [X0] : theorem(implies(or(X0,X0),X0)),
    inference(resolution,[status(thm)],[f12,f18]) ).

fof(f27,plain,
    ! [X0] :
      ( theorem(X0)
      | ~ theorem(or(X0,X0)) ),
    inference(resolution,[status(thm)],[f25,f20]) ).

fof(f28,plain,
    ! [X0] : theorem(implies(implies(X0,not(X0)),not(X0))),
    inference(paramodulation,[status(thm)],[f17,f25]) ).

fof(f32,plain,
    ! [X0,X1] : theorem(implies(X0,or(X1,X0))),
    inference(resolution,[status(thm)],[f13,f18]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( theorem(or(X0,X1))
      | ~ theorem(X1) ),
    inference(resolution,[status(thm)],[f32,f20]) ).

fof(f47,plain,
    ! [X0,X1] : theorem(implies(or(X0,X1),or(X1,X0))),
    inference(resolution,[status(thm)],[f14,f18]) ).

fof(f50,plain,
    ! [X0,X1] :
      ( theorem(or(X0,X1))
      | ~ theorem(or(X1,X0)) ),
    inference(resolution,[status(thm)],[f47,f20]) ).

fof(f52,plain,
    ! [X0,X1] : theorem(implies(or(X0,not(X1)),implies(X1,X0))),
    inference(paramodulation,[status(thm)],[f17,f47]) ).

fof(f58,plain,
    ! [X0,X1] : and(X0,X1) = not(implies(X0,not(X1))),
    inference(forward_demodulation,[status(thm)],[f17,f21]) ).

fof(f71,plain,
    ! [X0,X1,X2] : implies(implies(X0,not(X1)),X2) = or(and(X0,X1),X2),
    inference(paramodulation,[status(thm)],[f58,f17]) ).

fof(f81,plain,
    ! [X0,X1] :
      ( theorem(implies(X0,X1))
      | ~ theorem(or(X1,not(X0))) ),
    inference(resolution,[status(thm)],[f52,f20]) ).

fof(f88,plain,
    ! [X0,X1,X2] : theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))),
    inference(resolution,[status(thm)],[f15,f18]) ).

fof(f419,plain,
    ! [X0] : theorem(or(and(X0,X0),not(X0))),
    inference(backward_demodulation,[status(thm)],[f71,f28]) ).

fof(f482,plain,
    ! [X0,X1,X2] :
      ( theorem(or(X0,or(X1,X2)))
      | ~ theorem(or(X1,or(X0,X2))) ),
    inference(resolution,[status(thm)],[f88,f20]) ).

fof(f491,plain,
    ! [X0] : theorem(implies(X0,and(X0,X0))),
    inference(resolution,[status(thm)],[f419,f81]) ).

fof(f503,plain,
    ! [X0] :
      ( theorem(and(X0,X0))
      | ~ theorem(X0) ),
    inference(resolution,[status(thm)],[f491,f20]) ).

fof(f513,plain,
    ! [X0] :
      ( theorem(equivalent(X0,X0))
      | ~ theorem(implies(X0,X0)) ),
    inference(paramodulation,[status(thm)],[f22,f503]) ).

fof(f531,plain,
    ~ theorem(implies(implies(p,q),implies(p,q))),
    inference(resolution,[status(thm)],[f513,f24]) ).

fof(f1064,plain,
    ! [X0,X1,X2] :
      ( ~ theorem(or(X0,or(X1,X2)))
      | theorem(or(or(X0,X2),X1)) ),
    inference(resolution,[status(thm)],[f482,f50]) ).

fof(f1065,plain,
    ! [X0,X1] :
      ( ~ theorem(or(X0,or(or(X0,X1),X1)))
      | theorem(or(X0,X1)) ),
    inference(resolution,[status(thm)],[f482,f27]) ).

fof(f1177,plain,
    ! [X0,X1] :
      ( theorem(or(X0,X1))
      | ~ theorem(or(or(X0,X1),X1)) ),
    inference(resolution,[status(thm)],[f1065,f34]) ).

fof(f1579,plain,
    ! [X0,X1] :
      ( theorem(or(X0,X1))
      | ~ theorem(or(X0,or(X1,X1))) ),
    inference(resolution,[status(thm)],[f1177,f1064]) ).

fof(f1590,plain,
    ! [X0,X1] :
      ( theorem(or(not(X0),X1))
      | ~ theorem(implies(X0,or(X1,X1))) ),
    inference(paramodulation,[status(thm)],[f17,f1579]) ).

fof(f1591,plain,
    ! [X0,X1] :
      ( theorem(implies(X0,X1))
      | ~ theorem(implies(X0,or(X1,X1))) ),
    inference(forward_demodulation,[status(thm)],[f17,f1590]) ).

fof(f1617,plain,
    ! [X0] : theorem(implies(X0,X0)),
    inference(resolution,[status(thm)],[f1591,f32]) ).

fof(f1623,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f531,f1617]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem  : LCL294-3 : TPTP v8.1.2. Released v2.3.0.
% 0.08/0.09  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.08/0.29  % Computer : n001.cluster.edu
% 0.08/0.29  % Model    : x86_64 x86_64
% 0.08/0.29  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.29  % Memory   : 8042.1875MB
% 0.08/0.29  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.08/0.29  % CPULimit : 300
% 0.08/0.29  % WCLimit  : 300
% 0.08/0.29  % DateTime : Tue May 30 10:11:00 EDT 2023
% 0.08/0.29  % CPUTime  : 
% 0.08/0.30  % Drodi V3.5.1
% 0.13/0.33  % Refutation found
% 0.13/0.33  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.13/0.33  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.38  % Elapsed time: 0.080060 seconds
% 0.13/0.38  % CPU time: 0.067948 seconds
% 0.13/0.38  % Memory used: 5.847 MB
%------------------------------------------------------------------------------