TSTP Solution File: SWV258-2 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SWV258-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n020.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 15:10:39 EDT 2022

% Result   : Unsatisfiable 0.20s 0.39s
% Output   : Proof 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   32
% Syntax   : Number of formulae    :   59 (  17 unt;   8 typ;   0 def)
%            Number of atoms       :  170 (   0 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :  215 ( 101   ~;  95   |;   0   &)
%                                         (  19 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of FOOLs       :    5 (   5 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   11 (   5   >;   6   *;   0   +;   0  <<)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-3 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-3 aty)
%            Number of variables   :  140 ( 126   !;   0   ?; 140   :)

% Comments : 
%------------------------------------------------------------------------------
tff(c_lessequals_type,type,
    c_lessequals: ( $i * $i * $i ) > $o ).

tff(tc_set_type,type,
    tc_set: $i > $i ).

tff(tc_Message_Omsg_type,type,
    tc_Message_Omsg: $i ).

tff(c_Message_Oparts_type,type,
    c_Message_Oparts: $i > $i ).

tff(v_H_type,type,
    v_H: $i ).

tff(c_insert_type,type,
    c_insert: ( $i * $i * $i ) > $i ).

tff(v_X_type,type,
    v_X: $i ).

tff(c_in_type,type,
    c_in: ( $i * $i * $i ) > $o ).

tff(1,plain,
    ^ [T_a: $i,V_A: $i] :
      refl(
        ( c_lessequals(V_A,V_A,tc_set(T_a))
      <=> c_lessequals(V_A,V_A,tc_set(T_a)) )),
    inference(bind,[status(th)],]) ).

tff(2,plain,
    ( ! [T_a: $i,V_A: $i] : c_lessequals(V_A,V_A,tc_set(T_a))
  <=> ! [T_a: $i,V_A: $i] : c_lessequals(V_A,V_A,tc_set(T_a)) ),
    inference(quant_intro,[status(thm)],[1]) ).

tff(3,plain,
    ( ! [T_a: $i,V_A: $i] : c_lessequals(V_A,V_A,tc_set(T_a))
  <=> ! [T_a: $i,V_A: $i] : c_lessequals(V_A,V_A,tc_set(T_a)) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,axiom,
    ! [T_a: $i,V_A: $i] : c_lessequals(V_A,V_A,tc_set(T_a)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_Set_Osubset__refl_0) ).

tff(5,plain,
    ! [T_a: $i,V_A: $i] : c_lessequals(V_A,V_A,tc_set(T_a)),
    inference(modus_ponens,[status(thm)],[4,3]) ).

tff(6,plain,
    ! [T_a: $i,V_A: $i] : c_lessequals(V_A,V_A,tc_set(T_a)),
    inference(skolemize,[status(sab)],[5]) ).

tff(7,plain,
    ! [T_a: $i,V_A: $i] : c_lessequals(V_A,V_A,tc_set(T_a)),
    inference(modus_ponens,[status(thm)],[6,2]) ).

tff(8,plain,
    ( ~ ! [T_a: $i,V_A: $i] : c_lessequals(V_A,V_A,tc_set(T_a))
    | c_lessequals(c_Message_Oparts(v_H),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(9,plain,
    c_lessequals(c_Message_Oparts(v_H),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)),
    inference(unit_resolution,[status(thm)],[8,7]) ).

tff(10,plain,
    ^ [V_H: $i,V_G: $i] :
      refl(
        ( ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
          | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
      <=> ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
          | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ) )),
    inference(bind,[status(th)],]) ).

tff(11,plain,
    ( ! [V_H: $i,V_G: $i] :
        ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
        | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
  <=> ! [V_H: $i,V_G: $i] :
        ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
        | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ) ),
    inference(quant_intro,[status(thm)],[10]) ).

tff(12,plain,
    ( ! [V_H: $i,V_G: $i] :
        ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
        | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
  <=> ! [V_H: $i,V_G: $i] :
        ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
        | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(13,axiom,
    ! [V_H: $i,V_G: $i] :
      ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
      | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_Message_Oparts__subset__iff_1) ).

tff(14,plain,
    ! [V_H: $i,V_G: $i] :
      ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
      | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ),
    inference(modus_ponens,[status(thm)],[13,12]) ).

tff(15,plain,
    ! [V_H: $i,V_G: $i] :
      ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
      | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ),
    inference(skolemize,[status(sab)],[14]) ).

tff(16,plain,
    ! [V_H: $i,V_G: $i] :
      ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
      | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ),
    inference(modus_ponens,[status(thm)],[15,11]) ).

tff(17,plain,
    ( ~ c_lessequals(c_Message_Oparts(c_insert(v_X,v_H,tc_Message_Omsg)),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
  <=> ~ c_lessequals(c_Message_Oparts(c_insert(v_X,v_H,tc_Message_Omsg)),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)) ),
    inference(rewrite,[status(thm)],]) ).

tff(18,axiom,
    ~ c_lessequals(c_Message_Oparts(c_insert(v_X,v_H,tc_Message_Omsg)),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_1) ).

tff(19,plain,
    ~ c_lessequals(c_Message_Oparts(c_insert(v_X,v_H,tc_Message_Omsg)),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)),
    inference(modus_ponens,[status(thm)],[18,17]) ).

tff(20,plain,
    ( ( ~ ! [V_H: $i,V_G: $i] :
            ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
            | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
      | ~ c_lessequals(c_insert(v_X,v_H,tc_Message_Omsg),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
      | c_lessequals(c_Message_Oparts(c_insert(v_X,v_H,tc_Message_Omsg)),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)) )
  <=> ( ~ ! [V_H: $i,V_G: $i] :
            ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
            | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
      | ~ c_lessequals(c_insert(v_X,v_H,tc_Message_Omsg),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
      | c_lessequals(c_Message_Oparts(c_insert(v_X,v_H,tc_Message_Omsg)),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(21,plain,
    ( ~ ! [V_H: $i,V_G: $i] :
          ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
          | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
    | ~ c_lessequals(c_insert(v_X,v_H,tc_Message_Omsg),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
    | c_lessequals(c_Message_Oparts(c_insert(v_X,v_H,tc_Message_Omsg)),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(22,plain,
    ( ~ ! [V_H: $i,V_G: $i] :
          ( ~ c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
          | c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
    | ~ c_lessequals(c_insert(v_X,v_H,tc_Message_Omsg),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
    | c_lessequals(c_Message_Oparts(c_insert(v_X,v_H,tc_Message_Omsg)),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)) ),
    inference(modus_ponens,[status(thm)],[21,20]) ).

tff(23,plain,
    ~ c_lessequals(c_insert(v_X,v_H,tc_Message_Omsg),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)),
    inference(unit_resolution,[status(thm)],[22,19,16]) ).

tff(24,plain,
    ^ [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
      refl(
        ( ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
          | ~ c_lessequals(V_A,V_B,tc_set(T_a))
          | ~ c_in(V_x,V_B,T_a) )
      <=> ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
          | ~ c_lessequals(V_A,V_B,tc_set(T_a))
          | ~ c_in(V_x,V_B,T_a) ) )),
    inference(bind,[status(th)],]) ).

tff(25,plain,
    ( ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
        ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
        | ~ c_lessequals(V_A,V_B,tc_set(T_a))
        | ~ c_in(V_x,V_B,T_a) )
  <=> ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
        ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
        | ~ c_lessequals(V_A,V_B,tc_set(T_a))
        | ~ c_in(V_x,V_B,T_a) ) ),
    inference(quant_intro,[status(thm)],[24]) ).

tff(26,plain,
    ( ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
        ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
        | ~ c_lessequals(V_A,V_B,tc_set(T_a))
        | ~ c_in(V_x,V_B,T_a) )
  <=> ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
        ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
        | ~ c_lessequals(V_A,V_B,tc_set(T_a))
        | ~ c_in(V_x,V_B,T_a) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(27,plain,
    ^ [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
      rewrite(
        ( ( ~ c_in(V_x,V_B,T_a)
          | ~ c_lessequals(V_A,V_B,tc_set(T_a))
          | c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a)) )
      <=> ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
          | ~ c_lessequals(V_A,V_B,tc_set(T_a))
          | ~ c_in(V_x,V_B,T_a) ) )),
    inference(bind,[status(th)],]) ).

tff(28,plain,
    ( ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
        ( ~ c_in(V_x,V_B,T_a)
        | ~ c_lessequals(V_A,V_B,tc_set(T_a))
        | c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a)) )
  <=> ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
        ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
        | ~ c_lessequals(V_A,V_B,tc_set(T_a))
        | ~ c_in(V_x,V_B,T_a) ) ),
    inference(quant_intro,[status(thm)],[27]) ).

tff(29,axiom,
    ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
      ( ~ c_in(V_x,V_B,T_a)
      | ~ c_lessequals(V_A,V_B,tc_set(T_a))
      | c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_Set_Oinsert__subset_2) ).

tff(30,plain,
    ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
      ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
      | ~ c_lessequals(V_A,V_B,tc_set(T_a))
      | ~ c_in(V_x,V_B,T_a) ),
    inference(modus_ponens,[status(thm)],[29,28]) ).

tff(31,plain,
    ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
      ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
      | ~ c_lessequals(V_A,V_B,tc_set(T_a))
      | ~ c_in(V_x,V_B,T_a) ),
    inference(modus_ponens,[status(thm)],[30,26]) ).

tff(32,plain,
    ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
      ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
      | ~ c_lessequals(V_A,V_B,tc_set(T_a))
      | ~ c_in(V_x,V_B,T_a) ),
    inference(skolemize,[status(sab)],[31]) ).

tff(33,plain,
    ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
      ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
      | ~ c_lessequals(V_A,V_B,tc_set(T_a))
      | ~ c_in(V_x,V_B,T_a) ),
    inference(modus_ponens,[status(thm)],[32,25]) ).

tff(34,plain,
    ( c_in(v_X,c_Message_Oparts(v_H),tc_Message_Omsg)
  <=> c_in(v_X,c_Message_Oparts(v_H),tc_Message_Omsg) ),
    inference(rewrite,[status(thm)],]) ).

tff(35,axiom,
    c_in(v_X,c_Message_Oparts(v_H),tc_Message_Omsg),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_0) ).

tff(36,plain,
    c_in(v_X,c_Message_Oparts(v_H),tc_Message_Omsg),
    inference(modus_ponens,[status(thm)],[35,34]) ).

tff(37,plain,
    ( ( ~ ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
            ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
            | ~ c_lessequals(V_A,V_B,tc_set(T_a))
            | ~ c_in(V_x,V_B,T_a) )
      | c_lessequals(c_insert(v_X,v_H,tc_Message_Omsg),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
      | ~ c_lessequals(v_H,c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
      | ~ c_in(v_X,c_Message_Oparts(v_H),tc_Message_Omsg) )
  <=> ( ~ ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
            ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
            | ~ c_lessequals(V_A,V_B,tc_set(T_a))
            | ~ c_in(V_x,V_B,T_a) )
      | c_lessequals(c_insert(v_X,v_H,tc_Message_Omsg),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
      | ~ c_lessequals(v_H,c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
      | ~ c_in(v_X,c_Message_Oparts(v_H),tc_Message_Omsg) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(38,plain,
    ( ~ ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
          ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
          | ~ c_lessequals(V_A,V_B,tc_set(T_a))
          | ~ c_in(V_x,V_B,T_a) )
    | c_lessequals(c_insert(v_X,v_H,tc_Message_Omsg),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
    | ~ c_lessequals(v_H,c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
    | ~ c_in(v_X,c_Message_Oparts(v_H),tc_Message_Omsg) ),
    inference(quant_inst,[status(thm)],]) ).

tff(39,plain,
    ( ~ ! [V_x: $i,T_a: $i,V_B: $i,V_A: $i] :
          ( c_lessequals(c_insert(V_x,V_A,T_a),V_B,tc_set(T_a))
          | ~ c_lessequals(V_A,V_B,tc_set(T_a))
          | ~ c_in(V_x,V_B,T_a) )
    | c_lessequals(c_insert(v_X,v_H,tc_Message_Omsg),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
    | ~ c_lessequals(v_H,c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
    | ~ c_in(v_X,c_Message_Oparts(v_H),tc_Message_Omsg) ),
    inference(modus_ponens,[status(thm)],[38,37]) ).

tff(40,plain,
    ~ c_lessequals(v_H,c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)),
    inference(unit_resolution,[status(thm)],[39,36,33,23]) ).

tff(41,plain,
    ^ [V_H: $i,V_G: $i] :
      refl(
        ( ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
          | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
      <=> ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
          | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ) )),
    inference(bind,[status(th)],]) ).

tff(42,plain,
    ( ! [V_H: $i,V_G: $i] :
        ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
        | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
  <=> ! [V_H: $i,V_G: $i] :
        ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
        | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ) ),
    inference(quant_intro,[status(thm)],[41]) ).

tff(43,plain,
    ( ! [V_H: $i,V_G: $i] :
        ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
        | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
  <=> ! [V_H: $i,V_G: $i] :
        ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
        | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(44,axiom,
    ! [V_H: $i,V_G: $i] :
      ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
      | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_Message_Oparts__subset__iff_0) ).

tff(45,plain,
    ! [V_H: $i,V_G: $i] :
      ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
      | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ),
    inference(modus_ponens,[status(thm)],[44,43]) ).

tff(46,plain,
    ! [V_H: $i,V_G: $i] :
      ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
      | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ),
    inference(skolemize,[status(sab)],[45]) ).

tff(47,plain,
    ! [V_H: $i,V_G: $i] :
      ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
      | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) ),
    inference(modus_ponens,[status(thm)],[46,42]) ).

tff(48,plain,
    ( ( ~ ! [V_H: $i,V_G: $i] :
            ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
            | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
      | ~ c_lessequals(c_Message_Oparts(v_H),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
      | c_lessequals(v_H,c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)) )
  <=> ( ~ ! [V_H: $i,V_G: $i] :
            ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
            | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
      | ~ c_lessequals(c_Message_Oparts(v_H),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
      | c_lessequals(v_H,c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(49,plain,
    ( ~ ! [V_H: $i,V_G: $i] :
          ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
          | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
    | ~ c_lessequals(c_Message_Oparts(v_H),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
    | c_lessequals(v_H,c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(50,plain,
    ( ~ ! [V_H: $i,V_G: $i] :
          ( ~ c_lessequals(c_Message_Oparts(V_G),c_Message_Oparts(V_H),tc_set(tc_Message_Omsg))
          | c_lessequals(V_G,c_Message_Oparts(V_H),tc_set(tc_Message_Omsg)) )
    | ~ c_lessequals(c_Message_Oparts(v_H),c_Message_Oparts(v_H),tc_set(tc_Message_Omsg))
    | c_lessequals(v_H,c_Message_Oparts(v_H),tc_set(tc_Message_Omsg)) ),
    inference(modus_ponens,[status(thm)],[49,48]) ).

tff(51,plain,
    $false,
    inference(unit_resolution,[status(thm)],[50,47,40,9]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.01/0.11  % Problem  : SWV258-2 : TPTP v8.1.0. Released v3.2.0.
% 0.11/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.33  % Computer : n020.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Sun Sep  4 02:00:59 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.20/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.20/0.34  Usage: tptp [options] [-file:]file
% 0.20/0.34    -h, -?       prints this message.
% 0.20/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.20/0.34    -m, -model   generate model.
% 0.20/0.34    -p, -proof   generate proof.
% 0.20/0.34    -c, -core    generate unsat core of named formulas.
% 0.20/0.34    -st, -statistics display statistics.
% 0.20/0.34    -t:timeout   set timeout (in second).
% 0.20/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.20/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.20/0.34    -<param>:<value> configuration parameter and value.
% 0.20/0.34    -o:<output-file> file to place output in.
% 0.20/0.39  % SZS status Unsatisfiable
% 0.20/0.39  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------