TPTP Problem File: SEV476^1.p

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```%------------------------------------------------------------------------------
% File     : SEV476^1 : TPTP v7.5.0. Released v7.0.0.
% Domain   : Analysis
% Problem  : FINITE_DIFF
% Version  : Especial.
% English  :

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

% Status   : Theorem
% Rating   : 0.00 v7.1.0
% Syntax   : Number of formulae    :    6 (   0 unit;   3 type;   0 defn)
%            Number of atoms       :   26 (   0 equality;  18 variable)
%            Maximal formula depth :    9 (   7 average)
%            Number of connectives :   23 (   0   ~;   0   |;   1   &;  20   @)
%                                         (   0 <=>;   2  =>;   0  <=;   0 <~>)
%                                         (   0  ~|;   0  ~&)
%            Number of type conns  :   17 (  17   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    5 (   3   :;   0   =;   0  @=)
%                                         (   0  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :   12 (   0 sgn;   9   !;   0   ?;   0   ^)
%                                         (  12   :;   3  !>;   0  ?*)
%                                         (   0  @-;   0  @+)
% SPC      : TH1_THM_NEQ_NAR

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

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

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

thf('thm/sets/SUBSET_DIFF_',axiom,(
! [A: \$tType,A0: A > \$o,A1: A > \$o] :
( 'const/sets/SUBSET' @ A @ ( 'const/sets/DIFF' @ A @ A0 @ A1 ) @ A0 ) )).

thf('thm/sets/FINITE_SUBSET_',axiom,(
! [A: \$tType,A0: A > \$o,A1: A > \$o] :
( ( ( 'const/sets/FINITE' @ A @ A1 )
& ( 'const/sets/SUBSET' @ A @ A0 @ A1 ) )
=> ( 'const/sets/FINITE' @ A @ A0 ) ) )).

thf('thm/sets/FINITE_DIFF_',conjecture,(
! [A: \$tType,A0: A > \$o,A1: A > \$o] :
( ( 'const/sets/FINITE' @ A @ A0 )
=> ( 'const/sets/FINITE' @ A @ ( 'const/sets/DIFF' @ A @ A0 @ A1 ) ) ) )).

%------------------------------------------------------------------------------
```