TPTP Problem File: SEV456^1.p

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% File     : SEV456^1 : TPTP v7.5.0. Released v7.0.0.
% Domain   : Analysis
% Problem  : INSERT_UNION
% Version  : Especial.
% English  :

% Refs     : [Kal16] Kalisyk (2016), Email to Geoff Sutcliffe
% Source   : [Kal16]
% Names    : INSERT_UNION_.p [Kal16]

% Status   : Theorem
% Rating   : 1.00 v7.1.0
% Syntax   : Number of formulae    :    9 (   0 unit;   4 type;   0 defn)
%            Number of atoms       :   77 (   8 equality;  51 variable)
%            Maximal formula depth :   12 (   8 average)
%            Number of connectives :   55 (   0   ~;   2   |;   0   &;  53   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%                                         (   0  ~|;   0  ~&)
%            Number of type conns  :   24 (  24   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    6 (   4   :;   0   =;   0  @=)
%                                         (   0  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :   23 (   0 sgn;  19   !;   0   ?;   0   ^)
%                                         (  23   :;   4  !>;   0  ?*)
%                                         (   0  @-;   0  @+)
% SPC      : TH1_THM_EQU_NAR

% Comments : Exported from core HOL Light.
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thf('thf_const_const/sets/UNION',type,(
    'const/sets/UNION': 
      !>[A: $tType] :
        ( ( A > $o ) > ( A > $o ) > A > $o ) )).

thf('thf_const_const/sets/INSERT',type,(
    'const/sets/INSERT': 
      !>[A: $tType] :
        ( A > ( A > $o ) > A > $o ) )).

thf('thf_const_const/sets/IN',type,(
    'const/sets/IN': 
      !>[A: $tType] :
        ( A > ( A > $o ) > $o ) )).

thf('thf_const_const/class/COND',type,(
    'const/class/COND': 
      !>[A: $tType] :
        ( $o > A > A > A ) )).

thf('thm/sets/IN_',axiom,(
    ! [A: $tType,P: A > $o,A0: A] :
      ( ( 'const/sets/IN' @ A @ A0 @ P )
      = ( P @ A0 ) ) )).

thf('thm/sets/IN_UNION_',axiom,(
    ! [A: $tType,A0: A > $o,A1: A > $o,A2: A] :
      ( ( 'const/sets/IN' @ A @ A2 @ ( 'const/sets/UNION' @ A @ A0 @ A1 ) )
      = ( ( 'const/sets/IN' @ A @ A2 @ A0 )
        | ( 'const/sets/IN' @ A @ A2 @ A1 ) ) ) )).

thf('thm/sets/IN_INSERT_',axiom,(
    ! [A: $tType,A0: A,A1: A,A2: A > $o] :
      ( ( 'const/sets/IN' @ A @ A0 @ ( 'const/sets/INSERT' @ A @ A1 @ A2 ) )
      = ( ( A0 = A1 )
        | ( 'const/sets/IN' @ A @ A0 @ A2 ) ) ) )).

thf('thm/sets/EXTENSION_',axiom,(
    ! [A: $tType,A0: A > $o,A1: A > $o] :
      ( ( A0 = A1 )
      = ( ! [A2: A] :
            ( ( 'const/sets/IN' @ A @ A2 @ A0 )
            = ( 'const/sets/IN' @ A @ A2 @ A1 ) ) ) ) )).

thf('thm/sets/INSERT_UNION_',conjecture,(
    ! [A: $tType,A0: A,A1: A > $o,A2: A > $o] :
      ( ( 'const/sets/UNION' @ A @ ( 'const/sets/INSERT' @ A @ A0 @ A1 ) @ A2 )
      = ( 'const/class/COND' @ ( A > $o ) @ ( 'const/sets/IN' @ A @ A0 @ A2 ) @ ( 'const/sets/UNION' @ A @ A1 @ A2 ) @ ( 'const/sets/INSERT' @ A @ A0 @ ( 'const/sets/UNION' @ A @ A1 @ A2 ) ) ) ) )).

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