TSTP Solution File: SET116-7 by Z3---4.8.9.0
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%------------------------------------------------------------------------------
% File : Z3---4.8.9.0
% Problem : SET116-7 : TPTP v8.1.0. Bugfixed v7.3.0.
% Transfm : none
% Format : tptp
% Command : z3_tptp -proof -model -t:%d -file:%s
% 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 : Tue Sep 20 05:05:45 EDT 2022
% Result : Unsatisfiable 0.19s 0.42s
% Output : Proof 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 14
% Syntax : Number of formulae : 24 ( 7 unt; 4 typ; 0 def)
% Number of atoms : 57 ( 54 equ)
% Maximal formula atoms : 8 ( 2 avg)
% Number of connectives : 47 ( 12 ~; 27 |; 0 &)
% ( 8 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 3 avg)
% Maximal term depth : 3 ( 2 avg)
% Number of FOOLs : 2 ( 2 fml; 0 var)
% Number of types : 1 ( 0 usr)
% Number of type conns : 4 ( 3 >; 1 *; 0 +; 0 <<)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 1 con; 0-2 aty)
% Number of variables : 17 ( 15 !; 0 ?; 17 :)
% Comments :
%------------------------------------------------------------------------------
tff(x_type,type,
x: $i ).
tff(second_type,type,
second: $i > $i ).
tff(ordered_pair_type,type,
ordered_pair: ( $i * $i ) > $i ).
tff(first_type,type,
first: $i > $i ).
tff(1,plain,
( ( second(x) != x )
<=> ( second(x) != x ) ),
inference(rewrite,[status(thm)],]) ).
tff(2,axiom,
second(x) != x,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_unique_2nd_in_pair_of_non_sets) ).
tff(3,plain,
second(x) != x,
inference(modus_ponens,[status(thm)],[2,1]) ).
tff(4,plain,
( ( ordered_pair(first(x),second(x)) != x )
<=> ( ordered_pair(first(x),second(x)) != x ) ),
inference(rewrite,[status(thm)],]) ).
tff(5,axiom,
ordered_pair(first(x),second(x)) != x,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_unique_1st_and_2nd_in_pair_of_non_sets4_1) ).
tff(6,plain,
ordered_pair(first(x),second(x)) != x,
inference(modus_ponens,[status(thm)],[5,4]) ).
tff(7,plain,
^ [X: $i] :
refl(
( ( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) )
<=> ( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) ) )),
inference(bind,[status(th)],]) ).
tff(8,plain,
( ! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) )
<=> ! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) ) ),
inference(quant_intro,[status(thm)],[7]) ).
tff(9,plain,
( ! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) )
<=> ! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) ) ),
inference(rewrite,[status(thm)],]) ).
tff(10,plain,
^ [X: $i] :
rewrite(
( ( ( ordered_pair(first(X),second(X)) = X )
| ( second(X) = X ) )
<=> ( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) ) )),
inference(bind,[status(th)],]) ).
tff(11,plain,
( ! [X: $i] :
( ( ordered_pair(first(X),second(X)) = X )
| ( second(X) = X ) )
<=> ! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) ) ),
inference(quant_intro,[status(thm)],[10]) ).
tff(12,axiom,
! [X: $i] :
( ( ordered_pair(first(X),second(X)) = X )
| ( second(X) = X ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_of_1st_and_2nd_5) ).
tff(13,plain,
! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) ),
inference(modus_ponens,[status(thm)],[12,11]) ).
tff(14,plain,
! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) ),
inference(modus_ponens,[status(thm)],[13,9]) ).
tff(15,plain,
! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) ),
inference(skolemize,[status(sab)],[14]) ).
tff(16,plain,
! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) ),
inference(modus_ponens,[status(thm)],[15,8]) ).
tff(17,plain,
( ( ~ ! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) )
| ( second(x) = x )
| ( ordered_pair(first(x),second(x)) = x ) )
<=> ( ~ ! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) )
| ( second(x) = x )
| ( ordered_pair(first(x),second(x)) = x ) ) ),
inference(rewrite,[status(thm)],]) ).
tff(18,plain,
( ~ ! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) )
| ( second(x) = x )
| ( ordered_pair(first(x),second(x)) = x ) ),
inference(quant_inst,[status(thm)],]) ).
tff(19,plain,
( ~ ! [X: $i] :
( ( second(X) = X )
| ( ordered_pair(first(X),second(X)) = X ) )
| ( second(x) = x )
| ( ordered_pair(first(x),second(x)) = x ) ),
inference(modus_ponens,[status(thm)],[18,17]) ).
tff(20,plain,
$false,
inference(unit_resolution,[status(thm)],[19,16,6,3]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12 % Problem : SET116-7 : TPTP v8.1.0. Bugfixed v7.3.0.
% 0.12/0.13 % Command : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34 % Computer : n013.cluster.edu
% 0.13/0.34 % Model : x86_64 x86_64
% 0.13/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34 % Memory : 8042.1875MB
% 0.13/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34 % CPULimit : 300
% 0.13/0.34 % WCLimit : 300
% 0.13/0.34 % DateTime : Sat Sep 3 02:33:02 EDT 2022
% 0.13/0.34 % CPUTime :
% 0.13/0.35 Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.35 Usage: tptp [options] [-file:]file
% 0.13/0.35 -h, -? prints this message.
% 0.13/0.35 -smt2 print SMT-LIB2 benchmark.
% 0.13/0.35 -m, -model generate model.
% 0.13/0.35 -p, -proof generate proof.
% 0.13/0.35 -c, -core generate unsat core of named formulas.
% 0.13/0.35 -st, -statistics display statistics.
% 0.13/0.35 -t:timeout set timeout (in second).
% 0.13/0.35 -smt2status display status in smt2 format instead of SZS.
% 0.13/0.35 -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.35 -<param>:<value> configuration parameter and value.
% 0.13/0.35 -o:<output-file> file to place output in.
% 0.19/0.42 % SZS status Unsatisfiable
% 0.19/0.42 % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------