TSTP Solution File: SEU673^2 by Leo-III---1.7.12

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.12
% Problem  : SEU673^2 : TPTP v8.2.0. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n014.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 : Tue May 21 03:39:00 EDT 2024

% Result   : Theorem 3.54s 1.81s
% Output   : Refutation 3.67s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   17
% Syntax   : Number of formulae    :   20 (   5 unt;  12 typ;   4 def)
%            Number of atoms       :   60 (   8 equ;   0 cnn)
%            Maximal formula atoms :   22 (   7 avg)
%            Number of connectives :  182 (   2   ~;   0   |;   7   &; 147   @)
%                                         (   0 <=>;  26  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   19 (  19   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   17 (  15 usr;   8 con; 0-3 aty)
%            Number of variables   :   49 (  14   ^  31   !;   4   ?;  49   :)

% Comments : 
%------------------------------------------------------------------------------
thf(in_type,type,
    in: $i > $i > $o ).

thf(emptyset_type,type,
    emptyset: $i ).

thf(setadjoin_type,type,
    setadjoin: $i > $i > $i ).

thf(setunion_type,type,
    setunion: $i > $i ).

thf(dsetconstr_type,type,
    dsetconstr: $i > ( $i > $o ) > $i ).

thf(dsetconstrEL_type,type,
    dsetconstrEL: $o ).

thf(dsetconstrEL_def,definition,
    ( dsetconstrEL
    = ( ! [A: $i,B: $i > $o,C: $i] :
          ( ( in @ C @ ( dsetconstr @ A @ B ) )
         => ( in @ C @ A ) ) ) ) ).

thf(subset_type,type,
    subset: $i > $i > $o ).

thf(kpair_type,type,
    kpair: $i > $i > $i ).

thf(cartprod_type,type,
    cartprod: $i > $i > $i ).

thf(theprop_type,type,
    theprop: $o ).

thf(theprop_def,definition,
    ( theprop
    = ( ! [A: $i] :
          ( ( singleton @ A )
         => ( in @ ( setunion @ A ) @ A ) ) ) ) ).

thf(func_type,type,
    func: $i > $i > $i > $o ).

thf(func_def,definition,
    ( func
    = ( ^ [A: $i,B: $i,C: $i] :
          ( ( breln @ A @ B @ C )
          & ! [D: $i] :
              ( ( in @ D @ A )
             => ( ex1 @ B
                @ ^ [E: $i] : ( in @ ( kpair @ D @ E ) @ C ) ) ) ) ) ) ).

thf(funcImageSingleton_type,type,
    funcImageSingleton: $o ).

thf(funcImageSingleton_def,definition,
    ( funcImageSingleton
    = ( ! [A: $i,B: $i,C: $i] :
          ( ( func @ A @ B @ C )
         => ! [D: $i] :
              ( ( in @ D @ A )
             => ( singleton
                @ ( dsetconstr @ B
                  @ ^ [E: $i] : ( in @ ( kpair @ D @ E ) @ C ) ) ) ) ) ) ) ).

thf(1,conjecture,
    ( dsetconstrEL
   => ( theprop
     => ( funcImageSingleton
       => ! [A: $i,B: $i,C: $i] :
            ( ( func @ A @ B @ C )
           => ! [D: $i] :
                ( ( in @ D @ A )
               => ( in
                  @ ( setunion
                    @ ( dsetconstr @ B
                      @ ^ [E: $i] : ( in @ ( kpair @ D @ E ) @ C ) ) )
                  @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',apProp) ).

thf(2,negated_conjecture,
    ~ ( dsetconstrEL
     => ( theprop
       => ( funcImageSingleton
         => ! [A: $i,B: $i,C: $i] :
              ( ( func @ A @ B @ C )
             => ! [D: $i] :
                  ( ( in @ D @ A )
                 => ( in
                    @ ( setunion
                      @ ( dsetconstr @ B
                        @ ^ [E: $i] : ( in @ ( kpair @ D @ E ) @ C ) ) )
                    @ B ) ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(3,plain,
    ~ ( ! [A: $i,B: $i > $o,C: $i] :
          ( ( in @ C @ ( dsetconstr @ A @ B ) )
         => ( in @ C @ A ) )
     => ( ! [A: $i] :
            ( ? [B: $i] :
                ( ( in @ B @ A )
                & ( A
                  = ( setadjoin @ B @ emptyset ) ) )
           => ( in @ ( setunion @ A ) @ A ) )
       => ( ! [A: $i,B: $i,C: $i] :
              ( ( ( subset @ C @ ( cartprod @ A @ B ) )
                & ! [D: $i] :
                    ( ( in @ D @ A )
                   => ? [E: $i] :
                        ( ( in @ E
                          @ ( dsetconstr @ B
                            @ ^ [F: $i] : ( in @ ( kpair @ D @ F ) @ C ) ) )
                        & ( ( dsetconstr @ B
                            @ ^ [F: $i] : ( in @ ( kpair @ D @ F ) @ C ) )
                          = ( setadjoin @ E @ emptyset ) ) ) ) )
             => ! [D: $i] :
                  ( ( in @ D @ A )
                 => ? [E: $i] :
                      ( ( in @ E
                        @ ( dsetconstr @ B
                          @ ^ [F: $i] : ( in @ ( kpair @ D @ F ) @ C ) ) )
                      & ( ( dsetconstr @ B
                          @ ^ [F: $i] : ( in @ ( kpair @ D @ F ) @ C ) )
                        = ( setadjoin @ E @ emptyset ) ) ) ) )
         => ! [A: $i,B: $i,C: $i] :
              ( ( ( subset @ C @ ( cartprod @ A @ B ) )
                & ! [D: $i] :
                    ( ( in @ D @ A )
                   => ? [E: $i] :
                        ( ( in @ E
                          @ ( dsetconstr @ B
                            @ ^ [F: $i] : ( in @ ( kpair @ D @ F ) @ C ) ) )
                        & ( ( dsetconstr @ B
                            @ ^ [F: $i] : ( in @ ( kpair @ D @ F ) @ C ) )
                          = ( setadjoin @ E @ emptyset ) ) ) ) )
             => ! [D: $i] :
                  ( ( in @ D @ A )
                 => ( in
                    @ ( setunion
                      @ ( dsetconstr @ B
                        @ ^ [E: $i] : ( in @ ( kpair @ D @ E ) @ C ) ) )
                    @ B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(26,plain,
    $false,
    inference(e,[status(thm)],[3]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU673^2 : TPTP v8.2.0. Released v3.7.0.
% 0.14/0.15  % Command  : run_Leo-III %s %d
% 0.14/0.35  % Computer : n014.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.36  % DateTime : Sun May 19 18:13:39 EDT 2024
% 0.14/0.36  % CPUTime  : 
% 0.94/0.84  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.22/0.96  % [INFO] 	 Parsing done (115ms). 
% 1.31/0.96  % [INFO] 	 Running in sequential loop mode. 
% 1.65/1.18  % [INFO] 	 eprover registered as external prover. 
% 1.65/1.18  % [INFO] 	 cvc4 registered as external prover. 
% 1.65/1.18  % [INFO] 	 Scanning for conjecture ... 
% 1.90/1.26  % [INFO] 	 Found a conjecture (or negated_conjecture) and 0 axioms. Running axiom selection ... 
% 1.90/1.28  % [INFO] 	 Axiom selection finished. Selected 0 axioms (removed 0 axioms). 
% 1.90/1.29  % [INFO] 	 Problem is higher-order (TPTP THF). 
% 1.90/1.29  % [INFO] 	 Type checking passed. 
% 1.90/1.29  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 3.54/1.81  % External prover 'e' found a proof!
% 3.54/1.81  % [INFO] 	 Killing All external provers ... 
% 3.54/1.81  % Time passed: 1302ms (effective reasoning time: 842ms)
% 3.54/1.81  % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 3.54/1.81  % Axioms used in derivation (0): 
% 3.54/1.81  % No. of inferences in proof: 4
% 3.54/1.81  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1302 ms resp. 842 ms w/o parsing
% 3.67/1.85  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 3.67/1.85  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------