TSTP Solution File: NUM405+1 by Drodi---3.5.1

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%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : NUM405+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n021.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 12:29:02 EDT 2023

% Result   : Theorem 0.28s 0.59s
% Output   : CNFRefutation 0.28s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   24 (   5 unt;   0 def)
%            Number of atoms       :   61 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   66 (  29   ~;  23   |;   9   &)
%                                         (   2 <=>;   2  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-1 aty)
%            Number of variables   :   40 (;  34   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f26,axiom,
    ! [A] :
    ? [B] :
    ! [C] :
      ( in(C,B)
    <=> ( in(C,A)
        & ordinal(C) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f29,axiom,
    ! [A] :
      ~ ! [B] :
          ( in(B,A)
        <=> ordinal(B) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f30,conjecture,
    ! [A] :
      ~ ! [B] :
          ( ordinal(B)
         => in(B,A) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f31,negated_conjecture,
    ~ ! [A] :
        ~ ! [B] :
            ( ordinal(B)
           => in(B,A) ),
    inference(negated_conjecture,[status(cth)],[f30]) ).

fof(f119,plain,
    ! [A] :
    ? [B] :
    ! [C] :
      ( ( ~ in(C,B)
        | ( in(C,A)
          & ordinal(C) ) )
      & ( in(C,B)
        | ~ in(C,A)
        | ~ ordinal(C) ) ),
    inference(NNF_transformation,[status(esa)],[f26]) ).

fof(f120,plain,
    ! [A] :
    ? [B] :
      ( ! [C] :
          ( ~ in(C,B)
          | ( in(C,A)
            & ordinal(C) ) )
      & ! [C] :
          ( in(C,B)
          | ~ in(C,A)
          | ~ ordinal(C) ) ),
    inference(miniscoping,[status(esa)],[f119]) ).

fof(f121,plain,
    ! [A] :
      ( ! [C] :
          ( ~ in(C,sk0_14(A))
          | ( in(C,A)
            & ordinal(C) ) )
      & ! [C] :
          ( in(C,sk0_14(A))
          | ~ in(C,A)
          | ~ ordinal(C) ) ),
    inference(skolemization,[status(esa)],[f120]) ).

fof(f123,plain,
    ! [X0,X1] :
      ( ~ in(X0,sk0_14(X1))
      | ordinal(X0) ),
    inference(cnf_transformation,[status(esa)],[f121]) ).

fof(f124,plain,
    ! [X0,X1] :
      ( in(X0,sk0_14(X1))
      | ~ in(X0,X1)
      | ~ ordinal(X0) ),
    inference(cnf_transformation,[status(esa)],[f121]) ).

fof(f129,plain,
    ! [A] :
    ? [B] :
      ( in(B,A)
    <~> ordinal(B) ),
    inference(pre_NNF_transformation,[status(esa)],[f29]) ).

fof(f130,plain,
    ! [A] :
    ? [B] :
      ( ( in(B,A)
        | ordinal(B) )
      & ( ~ in(B,A)
        | ~ ordinal(B) ) ),
    inference(NNF_transformation,[status(esa)],[f129]) ).

fof(f131,plain,
    ! [A] :
      ( ( in(sk0_15(A),A)
        | ordinal(sk0_15(A)) )
      & ( ~ in(sk0_15(A),A)
        | ~ ordinal(sk0_15(A)) ) ),
    inference(skolemization,[status(esa)],[f130]) ).

fof(f132,plain,
    ! [X0] :
      ( in(sk0_15(X0),X0)
      | ordinal(sk0_15(X0)) ),
    inference(cnf_transformation,[status(esa)],[f131]) ).

fof(f133,plain,
    ! [X0] :
      ( ~ in(sk0_15(X0),X0)
      | ~ ordinal(sk0_15(X0)) ),
    inference(cnf_transformation,[status(esa)],[f131]) ).

fof(f134,plain,
    ? [A] :
    ! [B] :
      ( ~ ordinal(B)
      | in(B,A) ),
    inference(pre_NNF_transformation,[status(esa)],[f31]) ).

fof(f135,plain,
    ! [B] :
      ( ~ ordinal(B)
      | in(B,sk0_16) ),
    inference(skolemization,[status(esa)],[f134]) ).

fof(f136,plain,
    ! [X0] :
      ( ~ ordinal(X0)
      | in(X0,sk0_16) ),
    inference(cnf_transformation,[status(esa)],[f135]) ).

fof(f245,plain,
    ! [X0] :
      ( ordinal(sk0_15(sk0_14(X0)))
      | ordinal(sk0_15(sk0_14(X0))) ),
    inference(resolution,[status(thm)],[f132,f123]) ).

fof(f246,plain,
    ! [X0] : ordinal(sk0_15(sk0_14(X0))),
    inference(duplicate_literals_removal,[status(esa)],[f245]) ).

fof(f251,plain,
    ! [X0] : in(sk0_15(sk0_14(X0)),sk0_16),
    inference(resolution,[status(thm)],[f246,f136]) ).

fof(f255,plain,
    ! [X0] : ~ in(sk0_15(sk0_14(X0)),sk0_14(X0)),
    inference(resolution,[status(thm)],[f133,f246]) ).

fof(f259,plain,
    ! [X0] :
      ( ~ in(sk0_15(sk0_14(X0)),X0)
      | ~ ordinal(sk0_15(sk0_14(X0))) ),
    inference(resolution,[status(thm)],[f255,f124]) ).

fof(f260,plain,
    ! [X0] : ~ in(sk0_15(sk0_14(X0)),X0),
    inference(forward_subsumption_resolution,[status(thm)],[f259,f246]) ).

fof(f263,plain,
    $false,
    inference(resolution,[status(thm)],[f260,f251]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : NUM405+1 : TPTP v8.1.2. Released v3.2.0.
% 0.12/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.35  % Computer : n021.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 May 30 09:53:52 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.36  % Drodi V3.5.1
% 0.28/0.59  % Refutation found
% 0.28/0.59  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.28/0.59  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.28/0.59  % Elapsed time: 0.020306 seconds
% 0.28/0.59  % CPU time: 0.039633 seconds
% 0.28/0.59  % Memory used: 11.949 MB
%------------------------------------------------------------------------------