TSTP Solution File: SYN267-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SYN267-1 : TPTP v8.1.0. Released v1.1.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n002.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 : Thu Sep 29 23:54:27 EDT 2022

% Result   : Unsatisfiable 0.19s 0.42s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   47
% Syntax   : Number of formulae    :   89 (  23 unt;  11 typ;   0 def)
%            Number of atoms       :  395 (   0 equ)
%            Maximal formula atoms :   15 (   5 avg)
%            Number of connectives :  554 ( 262   ~; 250   |;   0   &)
%                                         (  42 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of FOOLs       :   25 (  25 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   16 (   8   >;   8   *;   0   +;   0  <<)
%            Number of predicates  :   13 (  12 usr;   1 prp; 0-3 aty)
%            Number of functors    :    3 (   3 usr;   3 con; 0-0 aty)
%            Number of variables   :  198 ( 180   !;   0   ?; 198   :)

% Comments : 
%------------------------------------------------------------------------------
tff(p4_type,type,
    p4: ( $i * $i * $i ) > $o ).

tff(c_type,type,
    c: $i ).

tff(b_type,type,
    b: $i ).

tff(k3_type,type,
    k3: ( $i * $i * $i ) > $o ).

tff(p1_type,type,
    p1: ( $i * $i * $i ) > $o ).

tff(p0_type,type,
    p0: ( $i * $i ) > $o ).

tff(r0_type,type,
    r0: $i > $o ).

tff(m2_type,type,
    m2: $i > $o ).

tff(k1_type,type,
    k1: $i > $o ).

tff(n0_type,type,
    n0: ( $i * $i ) > $o ).

tff(d_type,type,
    d: $i ).

tff(1,plain,
    ^ [B: $i,C: $i] :
      refl(
        ( ( ~ r0(B)
          | ~ p0(C,B)
          | p1(B,B,C) )
      <=> ( ~ r0(B)
          | ~ p0(C,B)
          | p1(B,B,C) ) )),
    inference(bind,[status(th)],]) ).

tff(2,plain,
    ( ! [B: $i,C: $i] :
        ( ~ r0(B)
        | ~ p0(C,B)
        | p1(B,B,C) )
  <=> ! [B: $i,C: $i] :
        ( ~ r0(B)
        | ~ p0(C,B)
        | p1(B,B,C) ) ),
    inference(quant_intro,[status(thm)],[1]) ).

tff(3,plain,
    ( ! [B: $i,C: $i] :
        ( ~ r0(B)
        | ~ p0(C,B)
        | p1(B,B,C) )
  <=> ! [B: $i,C: $i] :
        ( ~ r0(B)
        | ~ p0(C,B)
        | p1(B,B,C) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,plain,
    ^ [B: $i,C: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( p1(B,B,C)
              | ~ p0(C,B) )
          <=> ( ~ p0(C,B)
              | p1(B,B,C) ) )),
          ( ( p1(B,B,C)
            | ~ p0(C,B)
            | ~ r0(B) )
        <=> ( ~ p0(C,B)
            | p1(B,B,C)
            | ~ r0(B) ) )),
        rewrite(
          ( ( ~ p0(C,B)
            | p1(B,B,C)
            | ~ r0(B) )
        <=> ( ~ r0(B)
            | ~ p0(C,B)
            | p1(B,B,C) ) )),
        ( ( p1(B,B,C)
          | ~ p0(C,B)
          | ~ r0(B) )
      <=> ( ~ r0(B)
          | ~ p0(C,B)
          | p1(B,B,C) ) )),
    inference(bind,[status(th)],]) ).

tff(5,plain,
    ( ! [B: $i,C: $i] :
        ( p1(B,B,C)
        | ~ p0(C,B)
        | ~ r0(B) )
  <=> ! [B: $i,C: $i] :
        ( ~ r0(B)
        | ~ p0(C,B)
        | p1(B,B,C) ) ),
    inference(quant_intro,[status(thm)],[4]) ).

tff(6,axiom,
    ! [B: $i,C: $i] :
      ( p1(B,B,C)
      | ~ p0(C,B)
      | ~ r0(B) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SYN001-0.ax',rule_074) ).

tff(7,plain,
    ! [B: $i,C: $i] :
      ( ~ r0(B)
      | ~ p0(C,B)
      | p1(B,B,C) ),
    inference(modus_ponens,[status(thm)],[6,5]) ).

tff(8,plain,
    ! [B: $i,C: $i] :
      ( ~ r0(B)
      | ~ p0(C,B)
      | p1(B,B,C) ),
    inference(modus_ponens,[status(thm)],[7,3]) ).

tff(9,plain,
    ! [B: $i,C: $i] :
      ( ~ r0(B)
      | ~ p0(C,B)
      | p1(B,B,C) ),
    inference(skolemize,[status(sab)],[8]) ).

tff(10,plain,
    ! [B: $i,C: $i] :
      ( ~ r0(B)
      | ~ p0(C,B)
      | p1(B,B,C) ),
    inference(modus_ponens,[status(thm)],[9,2]) ).

tff(11,plain,
    ( p0(c,b)
  <=> p0(c,b) ),
    inference(rewrite,[status(thm)],]) ).

tff(12,axiom,
    p0(c,b),
    file('/export/starexec/sandbox/benchmark/Axioms/SYN001-0.ax',axiom_18) ).

tff(13,plain,
    p0(c,b),
    inference(modus_ponens,[status(thm)],[12,11]) ).

tff(14,plain,
    ( r0(b)
  <=> r0(b) ),
    inference(rewrite,[status(thm)],]) ).

tff(15,axiom,
    r0(b),
    file('/export/starexec/sandbox/benchmark/Axioms/SYN001-0.ax',axiom_9) ).

tff(16,plain,
    r0(b),
    inference(modus_ponens,[status(thm)],[15,14]) ).

tff(17,plain,
    ( ( ~ ! [B: $i,C: $i] :
            ( ~ r0(B)
            | ~ p0(C,B)
            | p1(B,B,C) )
      | ~ r0(b)
      | ~ p0(c,b)
      | p1(b,b,c) )
  <=> ( ~ ! [B: $i,C: $i] :
            ( ~ r0(B)
            | ~ p0(C,B)
            | p1(B,B,C) )
      | ~ r0(b)
      | ~ p0(c,b)
      | p1(b,b,c) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(18,plain,
    ( ~ ! [B: $i,C: $i] :
          ( ~ r0(B)
          | ~ p0(C,B)
          | p1(B,B,C) )
    | ~ r0(b)
    | ~ p0(c,b)
    | p1(b,b,c) ),
    inference(quant_inst,[status(thm)],]) ).

tff(19,plain,
    ( ~ ! [B: $i,C: $i] :
          ( ~ r0(B)
          | ~ p0(C,B)
          | p1(B,B,C) )
    | ~ r0(b)
    | ~ p0(c,b)
    | p1(b,b,c) ),
    inference(modus_ponens,[status(thm)],[18,17]) ).

tff(20,plain,
    p1(b,b,c),
    inference(unit_resolution,[status(thm)],[19,16,13,10]) ).

tff(21,plain,
    ^ [B: $i,D: $i,E: $i,C: $i] :
      refl(
        ( ( ~ m2(D)
          | ~ m2(E)
          | ~ p1(C,D,B)
          | k3(B,B,C) )
      <=> ( ~ m2(D)
          | ~ m2(E)
          | ~ p1(C,D,B)
          | k3(B,B,C) ) )),
    inference(bind,[status(th)],]) ).

tff(22,plain,
    ( ! [B: $i,D: $i,E: $i,C: $i] :
        ( ~ m2(D)
        | ~ m2(E)
        | ~ p1(C,D,B)
        | k3(B,B,C) )
  <=> ! [B: $i,D: $i,E: $i,C: $i] :
        ( ~ m2(D)
        | ~ m2(E)
        | ~ p1(C,D,B)
        | k3(B,B,C) ) ),
    inference(quant_intro,[status(thm)],[21]) ).

tff(23,plain,
    ( ! [B: $i,D: $i,E: $i,C: $i] :
        ( ~ m2(D)
        | ~ m2(E)
        | ~ p1(C,D,B)
        | k3(B,B,C) )
  <=> ! [B: $i,D: $i,E: $i,C: $i] :
        ( ~ m2(D)
        | ~ m2(E)
        | ~ p1(C,D,B)
        | k3(B,B,C) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(24,plain,
    ^ [B: $i,D: $i,E: $i,C: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              rewrite(
                ( ( k3(B,B,C)
                  | ~ p1(C,D,B) )
              <=> ( ~ p1(C,D,B)
                  | k3(B,B,C) ) )),
              ( ( k3(B,B,C)
                | ~ p1(C,D,B)
                | ~ m2(E) )
            <=> ( ~ p1(C,D,B)
                | k3(B,B,C)
                | ~ m2(E) ) )),
            rewrite(
              ( ( ~ p1(C,D,B)
                | k3(B,B,C)
                | ~ m2(E) )
            <=> ( ~ m2(E)
                | ~ p1(C,D,B)
                | k3(B,B,C) ) )),
            ( ( k3(B,B,C)
              | ~ p1(C,D,B)
              | ~ m2(E) )
          <=> ( ~ m2(E)
              | ~ p1(C,D,B)
              | k3(B,B,C) ) )),
          ( ( k3(B,B,C)
            | ~ p1(C,D,B)
            | ~ m2(E)
            | ~ m2(D) )
        <=> ( ~ m2(E)
            | ~ p1(C,D,B)
            | k3(B,B,C)
            | ~ m2(D) ) )),
        rewrite(
          ( ( ~ m2(E)
            | ~ p1(C,D,B)
            | k3(B,B,C)
            | ~ m2(D) )
        <=> ( ~ m2(D)
            | ~ m2(E)
            | ~ p1(C,D,B)
            | k3(B,B,C) ) )),
        ( ( k3(B,B,C)
          | ~ p1(C,D,B)
          | ~ m2(E)
          | ~ m2(D) )
      <=> ( ~ m2(D)
          | ~ m2(E)
          | ~ p1(C,D,B)
          | k3(B,B,C) ) )),
    inference(bind,[status(th)],]) ).

tff(25,plain,
    ( ! [B: $i,D: $i,E: $i,C: $i] :
        ( k3(B,B,C)
        | ~ p1(C,D,B)
        | ~ m2(E)
        | ~ m2(D) )
  <=> ! [B: $i,D: $i,E: $i,C: $i] :
        ( ~ m2(D)
        | ~ m2(E)
        | ~ p1(C,D,B)
        | k3(B,B,C) ) ),
    inference(quant_intro,[status(thm)],[24]) ).

tff(26,axiom,
    ! [B: $i,D: $i,E: $i,C: $i] :
      ( k3(B,B,C)
      | ~ p1(C,D,B)
      | ~ m2(E)
      | ~ m2(D) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SYN001-0.ax',rule_201) ).

tff(27,plain,
    ! [B: $i,D: $i,E: $i,C: $i] :
      ( ~ m2(D)
      | ~ m2(E)
      | ~ p1(C,D,B)
      | k3(B,B,C) ),
    inference(modus_ponens,[status(thm)],[26,25]) ).

tff(28,plain,
    ! [B: $i,D: $i,E: $i,C: $i] :
      ( ~ m2(D)
      | ~ m2(E)
      | ~ p1(C,D,B)
      | k3(B,B,C) ),
    inference(modus_ponens,[status(thm)],[27,23]) ).

tff(29,plain,
    ! [B: $i,D: $i,E: $i,C: $i] :
      ( ~ m2(D)
      | ~ m2(E)
      | ~ p1(C,D,B)
      | k3(B,B,C) ),
    inference(skolemize,[status(sab)],[28]) ).

tff(30,plain,
    ! [B: $i,D: $i,E: $i,C: $i] :
      ( ~ m2(D)
      | ~ m2(E)
      | ~ p1(C,D,B)
      | k3(B,B,C) ),
    inference(modus_ponens,[status(thm)],[29,22]) ).

tff(31,plain,
    ^ [I: $i,J: $i] :
      refl(
        ( ( k1(I)
          | ~ n0(J,I) )
      <=> ( k1(I)
          | ~ n0(J,I) ) )),
    inference(bind,[status(th)],]) ).

tff(32,plain,
    ( ! [I: $i,J: $i] :
        ( k1(I)
        | ~ n0(J,I) )
  <=> ! [I: $i,J: $i] :
        ( k1(I)
        | ~ n0(J,I) ) ),
    inference(quant_intro,[status(thm)],[31]) ).

tff(33,plain,
    ( ! [I: $i,J: $i] :
        ( k1(I)
        | ~ n0(J,I) )
  <=> ! [I: $i,J: $i] :
        ( k1(I)
        | ~ n0(J,I) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(34,axiom,
    ! [I: $i,J: $i] :
      ( k1(I)
      | ~ n0(J,I) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SYN001-0.ax',rule_001) ).

tff(35,plain,
    ! [I: $i,J: $i] :
      ( k1(I)
      | ~ n0(J,I) ),
    inference(modus_ponens,[status(thm)],[34,33]) ).

tff(36,plain,
    ! [I: $i,J: $i] :
      ( k1(I)
      | ~ n0(J,I) ),
    inference(skolemize,[status(sab)],[35]) ).

tff(37,plain,
    ! [I: $i,J: $i] :
      ( k1(I)
      | ~ n0(J,I) ),
    inference(modus_ponens,[status(thm)],[36,32]) ).

tff(38,plain,
    ( n0(d,b)
  <=> n0(d,b) ),
    inference(rewrite,[status(thm)],]) ).

tff(39,axiom,
    n0(d,b),
    file('/export/starexec/sandbox/benchmark/Axioms/SYN001-0.ax',axiom_7) ).

tff(40,plain,
    n0(d,b),
    inference(modus_ponens,[status(thm)],[39,38]) ).

tff(41,plain,
    ( ( ~ ! [I: $i,J: $i] :
            ( k1(I)
            | ~ n0(J,I) )
      | k1(b)
      | ~ n0(d,b) )
  <=> ( ~ ! [I: $i,J: $i] :
            ( k1(I)
            | ~ n0(J,I) )
      | k1(b)
      | ~ n0(d,b) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(42,plain,
    ( ~ ! [I: $i,J: $i] :
          ( k1(I)
          | ~ n0(J,I) )
    | k1(b)
    | ~ n0(d,b) ),
    inference(quant_inst,[status(thm)],]) ).

tff(43,plain,
    ( ~ ! [I: $i,J: $i] :
          ( k1(I)
          | ~ n0(J,I) )
    | k1(b)
    | ~ n0(d,b) ),
    inference(modus_ponens,[status(thm)],[42,41]) ).

tff(44,plain,
    k1(b),
    inference(unit_resolution,[status(thm)],[43,40,37]) ).

tff(45,plain,
    ( ( m2(b)
      | ~ k1(b) )
  <=> ( m2(b)
      | ~ k1(b) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(46,axiom,
    ( m2(b)
    | ~ k1(b) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SYN001-0.ax',rule_136) ).

tff(47,plain,
    ( m2(b)
    | ~ k1(b) ),
    inference(modus_ponens,[status(thm)],[46,45]) ).

tff(48,plain,
    m2(b),
    inference(unit_resolution,[status(thm)],[47,44]) ).

tff(49,plain,
    ( ( ~ ! [B: $i,D: $i,E: $i,C: $i] :
            ( ~ m2(D)
            | ~ m2(E)
            | ~ p1(C,D,B)
            | k3(B,B,C) )
      | ~ m2(b)
      | ~ p1(b,b,c)
      | k3(c,c,b) )
  <=> ( ~ ! [B: $i,D: $i,E: $i,C: $i] :
            ( ~ m2(D)
            | ~ m2(E)
            | ~ p1(C,D,B)
            | k3(B,B,C) )
      | ~ m2(b)
      | ~ p1(b,b,c)
      | k3(c,c,b) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(50,plain,
    ( ( ~ m2(b)
      | ~ m2(b)
      | ~ p1(b,b,c)
      | k3(c,c,b) )
  <=> ( ~ m2(b)
      | ~ p1(b,b,c)
      | k3(c,c,b) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(51,plain,
    ( ( ~ ! [B: $i,D: $i,E: $i,C: $i] :
            ( ~ m2(D)
            | ~ m2(E)
            | ~ p1(C,D,B)
            | k3(B,B,C) )
      | ~ m2(b)
      | ~ m2(b)
      | ~ p1(b,b,c)
      | k3(c,c,b) )
  <=> ( ~ ! [B: $i,D: $i,E: $i,C: $i] :
            ( ~ m2(D)
            | ~ m2(E)
            | ~ p1(C,D,B)
            | k3(B,B,C) )
      | ~ m2(b)
      | ~ p1(b,b,c)
      | k3(c,c,b) ) ),
    inference(monotonicity,[status(thm)],[50]) ).

tff(52,plain,
    ( ( ~ ! [B: $i,D: $i,E: $i,C: $i] :
            ( ~ m2(D)
            | ~ m2(E)
            | ~ p1(C,D,B)
            | k3(B,B,C) )
      | ~ m2(b)
      | ~ m2(b)
      | ~ p1(b,b,c)
      | k3(c,c,b) )
  <=> ( ~ ! [B: $i,D: $i,E: $i,C: $i] :
            ( ~ m2(D)
            | ~ m2(E)
            | ~ p1(C,D,B)
            | k3(B,B,C) )
      | ~ m2(b)
      | ~ p1(b,b,c)
      | k3(c,c,b) ) ),
    inference(transitivity,[status(thm)],[51,49]) ).

tff(53,plain,
    ( ~ ! [B: $i,D: $i,E: $i,C: $i] :
          ( ~ m2(D)
          | ~ m2(E)
          | ~ p1(C,D,B)
          | k3(B,B,C) )
    | ~ m2(b)
    | ~ m2(b)
    | ~ p1(b,b,c)
    | k3(c,c,b) ),
    inference(quant_inst,[status(thm)],]) ).

tff(54,plain,
    ( ~ ! [B: $i,D: $i,E: $i,C: $i] :
          ( ~ m2(D)
          | ~ m2(E)
          | ~ p1(C,D,B)
          | k3(B,B,C) )
    | ~ m2(b)
    | ~ p1(b,b,c)
    | k3(c,c,b) ),
    inference(modus_ponens,[status(thm)],[53,52]) ).

tff(55,plain,
    k3(c,c,b),
    inference(unit_resolution,[status(thm)],[54,48,30,20]) ).

tff(56,plain,
    ^ [B: $i,C: $i] :
      refl(
        ( ( p4(B,C,B)
          | ~ k3(B,B,C) )
      <=> ( p4(B,C,B)
          | ~ k3(B,B,C) ) )),
    inference(bind,[status(th)],]) ).

tff(57,plain,
    ( ! [B: $i,C: $i] :
        ( p4(B,C,B)
        | ~ k3(B,B,C) )
  <=> ! [B: $i,C: $i] :
        ( p4(B,C,B)
        | ~ k3(B,B,C) ) ),
    inference(quant_intro,[status(thm)],[56]) ).

tff(58,plain,
    ( ! [B: $i,C: $i] :
        ( p4(B,C,B)
        | ~ k3(B,B,C) )
  <=> ! [B: $i,C: $i] :
        ( p4(B,C,B)
        | ~ k3(B,B,C) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(59,axiom,
    ! [B: $i,C: $i] :
      ( p4(B,C,B)
      | ~ k3(B,B,C) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SYN001-0.ax',rule_287) ).

tff(60,plain,
    ! [B: $i,C: $i] :
      ( p4(B,C,B)
      | ~ k3(B,B,C) ),
    inference(modus_ponens,[status(thm)],[59,58]) ).

tff(61,plain,
    ! [B: $i,C: $i] :
      ( p4(B,C,B)
      | ~ k3(B,B,C) ),
    inference(skolemize,[status(sab)],[60]) ).

tff(62,plain,
    ! [B: $i,C: $i] :
      ( p4(B,C,B)
      | ~ k3(B,B,C) ),
    inference(modus_ponens,[status(thm)],[61,57]) ).

tff(63,plain,
    ( ( ~ ! [B: $i,C: $i] :
            ( p4(B,C,B)
            | ~ k3(B,B,C) )
      | ~ k3(c,c,b)
      | p4(c,b,c) )
  <=> ( ~ ! [B: $i,C: $i] :
            ( p4(B,C,B)
            | ~ k3(B,B,C) )
      | ~ k3(c,c,b)
      | p4(c,b,c) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(64,plain,
    ( ( p4(c,b,c)
      | ~ k3(c,c,b) )
  <=> ( ~ k3(c,c,b)
      | p4(c,b,c) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(65,plain,
    ( ( ~ ! [B: $i,C: $i] :
            ( p4(B,C,B)
            | ~ k3(B,B,C) )
      | p4(c,b,c)
      | ~ k3(c,c,b) )
  <=> ( ~ ! [B: $i,C: $i] :
            ( p4(B,C,B)
            | ~ k3(B,B,C) )
      | ~ k3(c,c,b)
      | p4(c,b,c) ) ),
    inference(monotonicity,[status(thm)],[64]) ).

tff(66,plain,
    ( ( ~ ! [B: $i,C: $i] :
            ( p4(B,C,B)
            | ~ k3(B,B,C) )
      | p4(c,b,c)
      | ~ k3(c,c,b) )
  <=> ( ~ ! [B: $i,C: $i] :
            ( p4(B,C,B)
            | ~ k3(B,B,C) )
      | ~ k3(c,c,b)
      | p4(c,b,c) ) ),
    inference(transitivity,[status(thm)],[65,63]) ).

tff(67,plain,
    ( ~ ! [B: $i,C: $i] :
          ( p4(B,C,B)
          | ~ k3(B,B,C) )
    | p4(c,b,c)
    | ~ k3(c,c,b) ),
    inference(quant_inst,[status(thm)],]) ).

tff(68,plain,
    ( ~ ! [B: $i,C: $i] :
          ( p4(B,C,B)
          | ~ k3(B,B,C) )
    | ~ k3(c,c,b)
    | p4(c,b,c) ),
    inference(modus_ponens,[status(thm)],[67,66]) ).

tff(69,plain,
    p4(c,b,c),
    inference(unit_resolution,[status(thm)],[68,62,55]) ).

tff(70,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( ~ p4(X,Y,c)
      <=> ~ p4(X,Y,c) )),
    inference(bind,[status(th)],]) ).

tff(71,plain,
    ( ! [Y: $i,X: $i] : ~ p4(X,Y,c)
  <=> ! [Y: $i,X: $i] : ~ p4(X,Y,c) ),
    inference(quant_intro,[status(thm)],[70]) ).

tff(72,plain,
    ( ! [Y: $i,X: $i] : ~ p4(X,Y,c)
  <=> ! [Y: $i,X: $i] : ~ p4(X,Y,c) ),
    inference(rewrite,[status(thm)],]) ).

tff(73,axiom,
    ! [Y: $i,X: $i] : ~ p4(X,Y,c),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_this) ).

tff(74,plain,
    ! [Y: $i,X: $i] : ~ p4(X,Y,c),
    inference(modus_ponens,[status(thm)],[73,72]) ).

tff(75,plain,
    ! [Y: $i,X: $i] : ~ p4(X,Y,c),
    inference(skolemize,[status(sab)],[74]) ).

tff(76,plain,
    ! [Y: $i,X: $i] : ~ p4(X,Y,c),
    inference(modus_ponens,[status(thm)],[75,71]) ).

tff(77,plain,
    ( ~ ! [Y: $i,X: $i] : ~ p4(X,Y,c)
    | ~ p4(c,b,c) ),
    inference(quant_inst,[status(thm)],]) ).

tff(78,plain,
    $false,
    inference(unit_resolution,[status(thm)],[77,76,69]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : SYN267-1 : TPTP v8.1.0. Released v1.1.0.
% 0.11/0.11  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.11/0.32  % Computer : n002.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
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 300
% 0.11/0.33  % DateTime : Mon Sep  5 02:31:48 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 0.11/0.33  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.11/0.33  Usage: tptp [options] [-file:]file
% 0.11/0.33    -h, -?       prints this message.
% 0.11/0.33    -smt2        print SMT-LIB2 benchmark.
% 0.11/0.33    -m, -model   generate model.
% 0.11/0.33    -p, -proof   generate proof.
% 0.11/0.33    -c, -core    generate unsat core of named formulas.
% 0.11/0.33    -st, -statistics display statistics.
% 0.11/0.33    -t:timeout   set timeout (in second).
% 0.11/0.33    -smt2status  display status in smt2 format instead of SZS.
% 0.11/0.33    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.11/0.33    -<param>:<value> configuration parameter and value.
% 0.11/0.33    -o:<output-file> file to place output in.
% 0.19/0.42  % SZS status Unsatisfiable
% 0.19/0.42  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------