TSTP Solution File: KRS137+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : KRS137+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n032.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  : 600s
% DateTime : Sun Jul 17 03:18:53 EDT 2022

% Result   : Theorem 0.07s 0.28s
% Output   : CNFRefutation 0.07s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    8
% Syntax   : Number of formulae    :  144 (  74 unt;   0 def)
%            Number of atoms       :  294 (   0 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  281 ( 131   ~;  20   |;  81   &)
%                                         (  31 <=>;  18  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :  129 (   0 sgn 119   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(axiom_0,axiom,
    ! [X] :
      ( cowlThing(X)
      & ~ cowlNothing(X) ) ).

fof(axiom_1,axiom,
    ! [X] :
      ( xsd_string(X)
    <=> ~ xsd_integer(X) ) ).

fof(axiom_2,axiom,
    ! [X] :
      ( cCar(X)
    <=> cAutomobile(X) ) ).

fof(axiom_3,axiom,
    cowlThing(iauto) ).

fof(axiom_4,axiom,
    cAutomobile(iauto) ).

fof(axiom_5,axiom,
    cowlThing(icar) ).

fof(axiom_6,axiom,
    cCar(icar) ).

fof(the_axiom,conjecture,
    ( ! [X] :
        ( cowlThing(X)
        & ~ cowlNothing(X) )
    & ! [X] :
        ( xsd_string(X)
      <=> ~ xsd_integer(X) )
    & cCar(iauto)
    & cowlThing(iauto)
    & cowlThing(icar)
    & cAutomobile(icar) ) ).

fof(subgoal_0,plain,
    ! [X] : cowlThing(X),
    inference(strip,[],[the_axiom]) ).

fof(subgoal_1,plain,
    ! [X] :
      ( cowlThing(X)
     => ~ cowlNothing(X) ),
    inference(strip,[],[the_axiom]) ).

fof(subgoal_2,plain,
    ( ! [X] :
        ( cowlThing(X)
        & ~ cowlNothing(X) )
   => ! [X] :
        ( xsd_string(X)
       => ~ xsd_integer(X) ) ),
    inference(strip,[],[the_axiom]) ).

fof(subgoal_3,plain,
    ( ! [X] :
        ( cowlThing(X)
        & ~ cowlNothing(X) )
   => ! [X] :
        ( ~ xsd_integer(X)
       => xsd_string(X) ) ),
    inference(strip,[],[the_axiom]) ).

fof(subgoal_4,plain,
    ( ( ! [X] :
          ( cowlThing(X)
          & ~ cowlNothing(X) )
      & ! [X] :
          ( xsd_string(X)
        <=> ~ xsd_integer(X) ) )
   => cCar(iauto) ),
    inference(strip,[],[the_axiom]) ).

fof(subgoal_5,plain,
    ( ( ! [X] :
          ( cowlThing(X)
          & ~ cowlNothing(X) )
      & ! [X] :
          ( xsd_string(X)
        <=> ~ xsd_integer(X) )
      & cCar(iauto) )
   => cowlThing(iauto) ),
    inference(strip,[],[the_axiom]) ).

fof(subgoal_6,plain,
    ( ( ! [X] :
          ( cowlThing(X)
          & ~ cowlNothing(X) )
      & ! [X] :
          ( xsd_string(X)
        <=> ~ xsd_integer(X) )
      & cCar(iauto)
      & cowlThing(iauto) )
   => cowlThing(icar) ),
    inference(strip,[],[the_axiom]) ).

fof(subgoal_7,plain,
    ( ( ! [X] :
          ( cowlThing(X)
          & ~ cowlNothing(X) )
      & ! [X] :
          ( xsd_string(X)
        <=> ~ xsd_integer(X) )
      & cCar(iauto)
      & cowlThing(iauto)
      & cowlThing(icar) )
   => cAutomobile(icar) ),
    inference(strip,[],[the_axiom]) ).

fof(negate_0_0,plain,
    ~ ! [X] : cowlThing(X),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ? [X] : ~ cowlThing(X),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ( ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X) ),
    inference(canonicalize,[],[axiom_0]) ).

fof(normalize_0_2,plain,
    ! [X] : cowlThing(X),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [X] : cowlThing(X),
    inference(specialize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    $false,
    inference(simplify,[],[normalize_0_0,normalize_0_3]) ).

cnf(refute_0_0,plain,
    $false,
    inference(canonicalize,[],[normalize_0_4]) ).

fof(negate_1_0,plain,
    ~ ! [X] :
        ( cowlThing(X)
       => ~ cowlNothing(X) ),
    inference(negate,[],[subgoal_1]) ).

fof(normalize_1_0,plain,
    ? [X] :
      ( cowlNothing(X)
      & cowlThing(X) ),
    inference(canonicalize,[],[negate_1_0]) ).

fof(normalize_1_1,plain,
    ( ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X) ),
    inference(canonicalize,[],[axiom_0]) ).

fof(normalize_1_2,plain,
    ! [X] : ~ cowlNothing(X),
    inference(conjunct,[],[normalize_1_1]) ).

fof(normalize_1_3,plain,
    ! [X] : ~ cowlNothing(X),
    inference(specialize,[],[normalize_1_2]) ).

fof(normalize_1_4,plain,
    ! [X] : cowlThing(X),
    inference(conjunct,[],[normalize_1_1]) ).

fof(normalize_1_5,plain,
    ! [X] : cowlThing(X),
    inference(specialize,[],[normalize_1_4]) ).

fof(normalize_1_6,plain,
    $false,
    inference(simplify,[],[normalize_1_0,normalize_1_3,normalize_1_5]) ).

cnf(refute_1_0,plain,
    $false,
    inference(canonicalize,[],[normalize_1_6]) ).

fof(negate_2_0,plain,
    ~ ( ! [X] :
          ( cowlThing(X)
          & ~ cowlNothing(X) )
     => ! [X] :
          ( xsd_string(X)
         => ~ xsd_integer(X) ) ),
    inference(negate,[],[subgoal_2]) ).

fof(normalize_2_0,plain,
    ( ? [X] :
        ( xsd_integer(X)
        & xsd_string(X) )
    & ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X) ),
    inference(canonicalize,[],[negate_2_0]) ).

fof(normalize_2_1,plain,
    ( ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X) ),
    inference(canonicalize,[],[axiom_0]) ).

fof(normalize_2_2,plain,
    ! [X] : ~ cowlNothing(X),
    inference(conjunct,[],[normalize_2_1]) ).

fof(normalize_2_3,plain,
    ! [X] : ~ cowlNothing(X),
    inference(specialize,[],[normalize_2_2]) ).

fof(normalize_2_4,plain,
    ! [X] : cowlThing(X),
    inference(conjunct,[],[normalize_2_1]) ).

fof(normalize_2_5,plain,
    ! [X] : cowlThing(X),
    inference(specialize,[],[normalize_2_4]) ).

fof(normalize_2_6,plain,
    ? [X] :
      ( xsd_integer(X)
      & xsd_string(X) ),
    inference(simplify,[],[normalize_2_0,normalize_2_3,normalize_2_5]) ).

fof(normalize_2_7,plain,
    ( xsd_integer(skolemFOFtoCNF_X)
    & xsd_string(skolemFOFtoCNF_X) ),
    inference(skolemize,[],[normalize_2_6]) ).

fof(normalize_2_8,plain,
    xsd_string(skolemFOFtoCNF_X),
    inference(conjunct,[],[normalize_2_7]) ).

fof(normalize_2_9,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(canonicalize,[],[axiom_1]) ).

fof(normalize_2_10,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(specialize,[],[normalize_2_9]) ).

fof(normalize_2_11,plain,
    ! [X] :
      ( ( ~ xsd_integer(X)
        | ~ xsd_string(X) )
      & ( xsd_integer(X)
        | xsd_string(X) ) ),
    inference(clausify,[],[normalize_2_10]) ).

fof(normalize_2_12,plain,
    ! [X] :
      ( ~ xsd_integer(X)
      | ~ xsd_string(X) ),
    inference(conjunct,[],[normalize_2_11]) ).

fof(normalize_2_13,plain,
    xsd_integer(skolemFOFtoCNF_X),
    inference(conjunct,[],[normalize_2_7]) ).

cnf(refute_2_0,plain,
    xsd_string(skolemFOFtoCNF_X),
    inference(canonicalize,[],[normalize_2_8]) ).

cnf(refute_2_1,plain,
    ( ~ xsd_integer(X)
    | ~ xsd_string(X) ),
    inference(canonicalize,[],[normalize_2_12]) ).

cnf(refute_2_2,plain,
    ( ~ xsd_integer(skolemFOFtoCNF_X)
    | ~ xsd_string(skolemFOFtoCNF_X) ),
    inference(subst,[],[refute_2_1:[bind(X,$fot(skolemFOFtoCNF_X))]]) ).

cnf(refute_2_3,plain,
    ~ xsd_integer(skolemFOFtoCNF_X),
    inference(resolve,[$cnf( xsd_string(skolemFOFtoCNF_X) )],[refute_2_0,refute_2_2]) ).

cnf(refute_2_4,plain,
    xsd_integer(skolemFOFtoCNF_X),
    inference(canonicalize,[],[normalize_2_13]) ).

cnf(refute_2_5,plain,
    $false,
    inference(resolve,[$cnf( xsd_integer(skolemFOFtoCNF_X) )],[refute_2_4,refute_2_3]) ).

fof(negate_3_0,plain,
    ~ ( ! [X] :
          ( cowlThing(X)
          & ~ cowlNothing(X) )
     => ! [X] :
          ( ~ xsd_integer(X)
         => xsd_string(X) ) ),
    inference(negate,[],[subgoal_3]) ).

fof(normalize_3_0,plain,
    ( ? [X] :
        ( ~ xsd_integer(X)
        & ~ xsd_string(X) )
    & ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X) ),
    inference(canonicalize,[],[negate_3_0]) ).

fof(normalize_3_1,plain,
    ( ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X) ),
    inference(canonicalize,[],[axiom_0]) ).

fof(normalize_3_2,plain,
    ! [X] : ~ cowlNothing(X),
    inference(conjunct,[],[normalize_3_1]) ).

fof(normalize_3_3,plain,
    ! [X] : ~ cowlNothing(X),
    inference(specialize,[],[normalize_3_2]) ).

fof(normalize_3_4,plain,
    ! [X] : cowlThing(X),
    inference(conjunct,[],[normalize_3_1]) ).

fof(normalize_3_5,plain,
    ! [X] : cowlThing(X),
    inference(specialize,[],[normalize_3_4]) ).

fof(normalize_3_6,plain,
    ? [X] :
      ( ~ xsd_integer(X)
      & ~ xsd_string(X) ),
    inference(simplify,[],[normalize_3_0,normalize_3_3,normalize_3_5]) ).

fof(normalize_3_7,plain,
    ( ~ xsd_integer(skolemFOFtoCNF_X_1)
    & ~ xsd_string(skolemFOFtoCNF_X_1) ),
    inference(skolemize,[],[normalize_3_6]) ).

fof(normalize_3_8,plain,
    ~ xsd_string(skolemFOFtoCNF_X_1),
    inference(conjunct,[],[normalize_3_7]) ).

fof(normalize_3_9,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(canonicalize,[],[axiom_1]) ).

fof(normalize_3_10,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(specialize,[],[normalize_3_9]) ).

fof(normalize_3_11,plain,
    ! [X] :
      ( ( ~ xsd_integer(X)
        | ~ xsd_string(X) )
      & ( xsd_integer(X)
        | xsd_string(X) ) ),
    inference(clausify,[],[normalize_3_10]) ).

fof(normalize_3_12,plain,
    ! [X] :
      ( xsd_integer(X)
      | xsd_string(X) ),
    inference(conjunct,[],[normalize_3_11]) ).

fof(normalize_3_13,plain,
    ~ xsd_integer(skolemFOFtoCNF_X_1),
    inference(conjunct,[],[normalize_3_7]) ).

cnf(refute_3_0,plain,
    ~ xsd_string(skolemFOFtoCNF_X_1),
    inference(canonicalize,[],[normalize_3_8]) ).

cnf(refute_3_1,plain,
    ( xsd_integer(X)
    | xsd_string(X) ),
    inference(canonicalize,[],[normalize_3_12]) ).

cnf(refute_3_2,plain,
    ( xsd_integer(skolemFOFtoCNF_X_1)
    | xsd_string(skolemFOFtoCNF_X_1) ),
    inference(subst,[],[refute_3_1:[bind(X,$fot(skolemFOFtoCNF_X_1))]]) ).

cnf(refute_3_3,plain,
    xsd_integer(skolemFOFtoCNF_X_1),
    inference(resolve,[$cnf( xsd_string(skolemFOFtoCNF_X_1) )],[refute_3_2,refute_3_0]) ).

cnf(refute_3_4,plain,
    ~ xsd_integer(skolemFOFtoCNF_X_1),
    inference(canonicalize,[],[normalize_3_13]) ).

cnf(refute_3_5,plain,
    $false,
    inference(resolve,[$cnf( xsd_integer(skolemFOFtoCNF_X_1) )],[refute_3_3,refute_3_4]) ).

fof(negate_4_0,plain,
    ~ ( ( ! [X] :
            ( cowlThing(X)
            & ~ cowlNothing(X) )
        & ! [X] :
            ( xsd_string(X)
          <=> ~ xsd_integer(X) ) )
     => cCar(iauto) ),
    inference(negate,[],[subgoal_4]) ).

fof(normalize_4_0,plain,
    cAutomobile(iauto),
    inference(canonicalize,[],[axiom_4]) ).

fof(normalize_4_1,plain,
    ! [X] :
      ( ~ cAutomobile(X)
    <=> ~ cCar(X) ),
    inference(canonicalize,[],[axiom_2]) ).

fof(normalize_4_2,plain,
    ! [X] :
      ( ~ cAutomobile(X)
    <=> ~ cCar(X) ),
    inference(specialize,[],[normalize_4_1]) ).

fof(normalize_4_3,plain,
    ! [X] :
      ( ( ~ cAutomobile(X)
        | cCar(X) )
      & ( ~ cCar(X)
        | cAutomobile(X) ) ),
    inference(clausify,[],[normalize_4_2]) ).

fof(normalize_4_4,plain,
    ! [X] :
      ( ~ cAutomobile(X)
      | cCar(X) ),
    inference(conjunct,[],[normalize_4_3]) ).

fof(normalize_4_5,plain,
    ( ~ cCar(iauto)
    & ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X)
    & ! [X] :
        ( ~ xsd_integer(X)
      <=> xsd_string(X) ) ),
    inference(canonicalize,[],[negate_4_0]) ).

fof(normalize_4_6,plain,
    ( ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X) ),
    inference(canonicalize,[],[axiom_0]) ).

fof(normalize_4_7,plain,
    ! [X] : ~ cowlNothing(X),
    inference(conjunct,[],[normalize_4_6]) ).

fof(normalize_4_8,plain,
    ! [X] : ~ cowlNothing(X),
    inference(specialize,[],[normalize_4_7]) ).

fof(normalize_4_9,plain,
    ! [X] : cowlThing(X),
    inference(conjunct,[],[normalize_4_6]) ).

fof(normalize_4_10,plain,
    ! [X] : cowlThing(X),
    inference(specialize,[],[normalize_4_9]) ).

fof(normalize_4_11,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(canonicalize,[],[axiom_1]) ).

fof(normalize_4_12,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(specialize,[],[normalize_4_11]) ).

fof(normalize_4_13,plain,
    ~ cCar(iauto),
    inference(simplify,[],[normalize_4_5,normalize_4_8,normalize_4_10,normalize_4_12]) ).

cnf(refute_4_0,plain,
    cAutomobile(iauto),
    inference(canonicalize,[],[normalize_4_0]) ).

cnf(refute_4_1,plain,
    ( ~ cAutomobile(X)
    | cCar(X) ),
    inference(canonicalize,[],[normalize_4_4]) ).

cnf(refute_4_2,plain,
    ( ~ cAutomobile(iauto)
    | cCar(iauto) ),
    inference(subst,[],[refute_4_1:[bind(X,$fot(iauto))]]) ).

cnf(refute_4_3,plain,
    cCar(iauto),
    inference(resolve,[$cnf( cAutomobile(iauto) )],[refute_4_0,refute_4_2]) ).

cnf(refute_4_4,plain,
    ~ cCar(iauto),
    inference(canonicalize,[],[normalize_4_13]) ).

cnf(refute_4_5,plain,
    $false,
    inference(resolve,[$cnf( cCar(iauto) )],[refute_4_3,refute_4_4]) ).

fof(negate_5_0,plain,
    ~ ( ( ! [X] :
            ( cowlThing(X)
            & ~ cowlNothing(X) )
        & ! [X] :
            ( xsd_string(X)
          <=> ~ xsd_integer(X) )
        & cCar(iauto) )
     => cowlThing(iauto) ),
    inference(negate,[],[subgoal_5]) ).

fof(normalize_5_0,plain,
    ( ~ cowlThing(iauto)
    & cCar(iauto)
    & ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X)
    & ! [X] :
        ( ~ xsd_integer(X)
      <=> xsd_string(X) ) ),
    inference(canonicalize,[],[negate_5_0]) ).

fof(normalize_5_1,plain,
    cowlThing(iauto),
    inference(canonicalize,[],[axiom_3]) ).

fof(normalize_5_2,plain,
    ( ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X) ),
    inference(canonicalize,[],[axiom_0]) ).

fof(normalize_5_3,plain,
    ! [X] : ~ cowlNothing(X),
    inference(conjunct,[],[normalize_5_2]) ).

fof(normalize_5_4,plain,
    ! [X] : ~ cowlNothing(X),
    inference(specialize,[],[normalize_5_3]) ).

fof(normalize_5_5,plain,
    ! [X] : cowlThing(X),
    inference(conjunct,[],[normalize_5_2]) ).

fof(normalize_5_6,plain,
    ! [X] : cowlThing(X),
    inference(specialize,[],[normalize_5_5]) ).

fof(normalize_5_7,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(canonicalize,[],[axiom_1]) ).

fof(normalize_5_8,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(specialize,[],[normalize_5_7]) ).

fof(normalize_5_9,plain,
    $false,
    inference(simplify,[],[normalize_5_0,normalize_5_1,normalize_5_4,normalize_5_6,normalize_5_8]) ).

cnf(refute_5_0,plain,
    $false,
    inference(canonicalize,[],[normalize_5_9]) ).

fof(negate_6_0,plain,
    ~ ( ( ! [X] :
            ( cowlThing(X)
            & ~ cowlNothing(X) )
        & ! [X] :
            ( xsd_string(X)
          <=> ~ xsd_integer(X) )
        & cCar(iauto)
        & cowlThing(iauto) )
     => cowlThing(icar) ),
    inference(negate,[],[subgoal_6]) ).

fof(normalize_6_0,plain,
    ( ~ cowlThing(icar)
    & cCar(iauto)
    & cowlThing(iauto)
    & ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X)
    & ! [X] :
        ( ~ xsd_integer(X)
      <=> xsd_string(X) ) ),
    inference(canonicalize,[],[negate_6_0]) ).

fof(normalize_6_1,plain,
    cowlThing(icar),
    inference(canonicalize,[],[axiom_5]) ).

fof(normalize_6_2,plain,
    cowlThing(iauto),
    inference(canonicalize,[],[axiom_3]) ).

fof(normalize_6_3,plain,
    ( ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X) ),
    inference(canonicalize,[],[axiom_0]) ).

fof(normalize_6_4,plain,
    ! [X] : ~ cowlNothing(X),
    inference(conjunct,[],[normalize_6_3]) ).

fof(normalize_6_5,plain,
    ! [X] : ~ cowlNothing(X),
    inference(specialize,[],[normalize_6_4]) ).

fof(normalize_6_6,plain,
    ! [X] : cowlThing(X),
    inference(conjunct,[],[normalize_6_3]) ).

fof(normalize_6_7,plain,
    ! [X] : cowlThing(X),
    inference(specialize,[],[normalize_6_6]) ).

fof(normalize_6_8,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(canonicalize,[],[axiom_1]) ).

fof(normalize_6_9,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(specialize,[],[normalize_6_8]) ).

fof(normalize_6_10,plain,
    $false,
    inference(simplify,[],[normalize_6_0,normalize_6_1,normalize_6_2,normalize_6_5,normalize_6_7,normalize_6_9]) ).

cnf(refute_6_0,plain,
    $false,
    inference(canonicalize,[],[normalize_6_10]) ).

fof(negate_7_0,plain,
    ~ ( ( ! [X] :
            ( cowlThing(X)
            & ~ cowlNothing(X) )
        & ! [X] :
            ( xsd_string(X)
          <=> ~ xsd_integer(X) )
        & cCar(iauto)
        & cowlThing(iauto)
        & cowlThing(icar) )
     => cAutomobile(icar) ),
    inference(negate,[],[subgoal_7]) ).

fof(normalize_7_0,plain,
    cCar(icar),
    inference(canonicalize,[],[axiom_6]) ).

fof(normalize_7_1,plain,
    ! [X] :
      ( ~ cAutomobile(X)
    <=> ~ cCar(X) ),
    inference(canonicalize,[],[axiom_2]) ).

fof(normalize_7_2,plain,
    ! [X] :
      ( ~ cAutomobile(X)
    <=> ~ cCar(X) ),
    inference(specialize,[],[normalize_7_1]) ).

fof(normalize_7_3,plain,
    ! [X] :
      ( ( ~ cAutomobile(X)
        | cCar(X) )
      & ( ~ cCar(X)
        | cAutomobile(X) ) ),
    inference(clausify,[],[normalize_7_2]) ).

fof(normalize_7_4,plain,
    ! [X] :
      ( ~ cCar(X)
      | cAutomobile(X) ),
    inference(conjunct,[],[normalize_7_3]) ).

fof(normalize_7_5,plain,
    ( ~ cAutomobile(icar)
    & cCar(iauto)
    & cowlThing(iauto)
    & cowlThing(icar)
    & ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X)
    & ! [X] :
        ( ~ xsd_integer(X)
      <=> xsd_string(X) ) ),
    inference(canonicalize,[],[negate_7_0]) ).

fof(normalize_7_6,plain,
    cowlThing(iauto),
    inference(canonicalize,[],[axiom_3]) ).

fof(normalize_7_7,plain,
    cowlThing(icar),
    inference(canonicalize,[],[axiom_5]) ).

fof(normalize_7_8,plain,
    ( ! [X] : ~ cowlNothing(X)
    & ! [X] : cowlThing(X) ),
    inference(canonicalize,[],[axiom_0]) ).

fof(normalize_7_9,plain,
    ! [X] : ~ cowlNothing(X),
    inference(conjunct,[],[normalize_7_8]) ).

fof(normalize_7_10,plain,
    ! [X] : ~ cowlNothing(X),
    inference(specialize,[],[normalize_7_9]) ).

fof(normalize_7_11,plain,
    ! [X] : cowlThing(X),
    inference(conjunct,[],[normalize_7_8]) ).

fof(normalize_7_12,plain,
    ! [X] : cowlThing(X),
    inference(specialize,[],[normalize_7_11]) ).

fof(normalize_7_13,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(canonicalize,[],[axiom_1]) ).

fof(normalize_7_14,plain,
    ! [X] :
      ( ~ xsd_integer(X)
    <=> xsd_string(X) ),
    inference(specialize,[],[normalize_7_13]) ).

fof(normalize_7_15,plain,
    ( ~ cAutomobile(icar)
    & cCar(iauto) ),
    inference(simplify,[],[normalize_7_5,normalize_7_6,normalize_7_7,normalize_7_10,normalize_7_12,normalize_7_14]) ).

fof(normalize_7_16,plain,
    ~ cAutomobile(icar),
    inference(conjunct,[],[normalize_7_15]) ).

cnf(refute_7_0,plain,
    cCar(icar),
    inference(canonicalize,[],[normalize_7_0]) ).

cnf(refute_7_1,plain,
    ( ~ cCar(X)
    | cAutomobile(X) ),
    inference(canonicalize,[],[normalize_7_4]) ).

cnf(refute_7_2,plain,
    ( ~ cCar(icar)
    | cAutomobile(icar) ),
    inference(subst,[],[refute_7_1:[bind(X,$fot(icar))]]) ).

cnf(refute_7_3,plain,
    cAutomobile(icar),
    inference(resolve,[$cnf( cCar(icar) )],[refute_7_0,refute_7_2]) ).

cnf(refute_7_4,plain,
    ~ cAutomobile(icar),
    inference(canonicalize,[],[normalize_7_16]) ).

cnf(refute_7_5,plain,
    $false,
    inference(resolve,[$cnf( cAutomobile(icar) )],[refute_7_3,refute_7_4]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.08  % Problem  : KRS137+1 : TPTP v8.1.0. Released v3.1.0.
% 0.00/0.08  % Command  : metis --show proof --show saturation %s
% 0.07/0.26  % Computer : n032.cluster.edu
% 0.07/0.26  % Model    : x86_64 x86_64
% 0.07/0.26  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.26  % Memory   : 8042.1875MB
% 0.07/0.26  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.07/0.26  % CPULimit : 300
% 0.07/0.26  % WCLimit  : 600
% 0.07/0.26  % DateTime : Tue Jun  7 15:58:35 EDT 2022
% 0.07/0.27  % CPUTime  : 
% 0.07/0.27  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.07/0.28  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.07/0.28  
% 0.07/0.28  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.07/0.29  
%------------------------------------------------------------------------------