%------------------------------------------------------------------------------
% File : Z3---4.15.1
% Problem : SYO561_1 : TPTP v9.0.0. Released v5.3.0.
% Transfm : none
% Format : tptp
% Command : run_E %s %d THM
% Computer : n013.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 : Sat Jun 21 05:41:53 AM UTC 2025
% Result : Theorem 0.17s 0.34s
% Output : Proof 0.17s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 4
% Syntax : Number of formulae : 7 ( 5 unt; 0 typ; 0 def)
% Number of atoms : 9 ( 6 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 8 ( 6 ~; 0 |; 0 &)
% ( 2 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of types : 0 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 4 ( 1 usr; 2 prp; 0-2 aty)
% Number of functors : 2 ( 2 usr; 2 con; 0-0 aty)
% Number of variables : 0 ( 0 !; 0 ?; 0 :)
% Comments :
%------------------------------------------------------------------------------
tff(microsoft_type,type,
microsoft: company ).
tff(apple_type,type,
apple: company ).
tff(1,plain,
( ~ ( ( apple != microsoft ) )
<=> ( apple = microsoft ) ),
inference(rewrite,[status(thm)],[]) ).
tff(2,axiom,
~ ( ( apple != microsoft ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',apple_not_microsoft) ).
tff(3,plain,
apple = microsoft,
inference(modus_ponens,[status(thm)],[2,1]) ).
tff(4,plain,
( $distinct(apple,microsoft)
<=> ( apple != microsoft ) ),
inference(rewrite,[status(thm)],[]) ).
tff(5,axiom,
$distinct(apple,microsoft),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',distinct_companies) ).
tff(6,plain,
apple != microsoft,
inference(modus_ponens,[status(thm)],[5,4]) ).
tff(7,plain,
$false,
inference(unit_resolution,[status(thm)],[6,3]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.10 % Problem : SYO561_1 : TPTP v9.0.0. Released v5.3.0.
% 0.03/0.10 % Command : run_E %s %d THM
% 0.09/0.31 % Computer : n013.cluster.edu
% 0.09/0.31 % Model : x86_64 x86_64
% 0.09/0.31 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.31 % Memory : 8042.1875MB
% 0.09/0.31 % OS : Linux 3.10.0-693.el7.x86_64
% 0.09/0.31 % CPULimit : 300
% 0.09/0.31 % WCLimit : 300
% 0.09/0.31 % DateTime : Fri Jun 20 13:11:38 EDT 2025
% 0.09/0.31 % CPUTime :
% 0.17/0.34 % SZS status Theorem
% 0.17/0.34 % SZS output start Proof
% See solution above
% 0.17/0.34 % E exiting
%------------------------------------------------------------------------------