TSTP Solution File: NUM016-1 by Faust---1.0
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- Process Solution
%------------------------------------------------------------------------------
% File : Faust---1.0
% Problem : NUM016-1 : TPTP v3.4.2. Released v1.0.0.
% Transfm : none
% Format : tptp
% Command : faust %s
% Computer : art10.cs.miami.edu
% Model : i686 i686
% CPU : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory : 1003MB
% OS : Linux 2.6.17-1.2142_FC4
% CPULimit : 600s
% DateTime : Wed May 6 14:50:32 EDT 2009
% Result : Unsatisfiable 0.1s
% Output : Refutation 0.1s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 8
% Syntax : Number of formulae : 20 ( 6 unt; 0 def)
% Number of atoms : 36 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 30 ( 14 ~; 16 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 1 con; 0-1 aty)
% Number of variables : 22 ( 0 sgn 10 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(divisor_is_smaller,plain,
! [A,B] :
( ~ divides(A,factorial_plus_one(B))
| less(B,A) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),
[] ).
cnf(153970960,plain,
( ~ divides(A,factorial_plus_one(B))
| less(B,A) ),
inference(rewrite,[status(thm)],[divisor_is_smaller]),
[] ).
fof(division_by_prime_divisor,plain,
! [A] :
( prime(A)
| divides(prime_divisor(A),A) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),
[] ).
cnf(153977288,plain,
( prime(A)
| divides(prime_divisor(A),A) ),
inference(rewrite,[status(thm)],[division_by_prime_divisor]),
[] ).
cnf(161977624,plain,
( less(A,prime_divisor(factorial_plus_one(A)))
| prime(factorial_plus_one(A)) ),
inference(resolution,[status(thm)],[153970960,153977288]),
[] ).
fof(prime_divsiors,plain,
! [A] :
( prime(A)
| prime(prime_divisor(A)) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),
[] ).
cnf(153982008,plain,
( prime(A)
| prime(prime_divisor(A)) ),
inference(rewrite,[status(thm)],[prime_divsiors]),
[] ).
fof(a_prime_is_less_than_the_next_one,plain,
! [A] : less(A,factorial_plus_one(A)),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),
[] ).
cnf(153961272,plain,
less(A,factorial_plus_one(A)),
inference(rewrite,[status(thm)],[a_prime_is_less_than_the_next_one]),
[] ).
fof(prove_there_is_another_prime,plain,
! [A] :
( ~ prime(A)
| ~ less(a,A)
| less(factorial_plus_one(a),A) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),
[] ).
cnf(153998768,plain,
( ~ prime(A)
| ~ less(a,A)
| less(factorial_plus_one(a),A) ),
inference(rewrite,[status(thm)],[prove_there_is_another_prime]),
[] ).
fof(nothing_is_less_than_itself,plain,
! [A] : ~ less(A,A),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),
[] ).
cnf(153933208,plain,
~ less(A,A),
inference(rewrite,[status(thm)],[nothing_is_less_than_itself]),
[] ).
cnf(161823152,plain,
~ prime(factorial_plus_one(a)),
inference(forward_subsumption_resolution__resolution,[status(thm)],[153961272,153998768,153933208]),
[] ).
fof(numbers_are_different,plain,
! [A,B] :
( ~ less(A,B)
| ~ less(B,A) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),
[] ).
cnf(153938984,plain,
( ~ less(A,B)
| ~ less(B,A) ),
inference(rewrite,[status(thm)],[numbers_are_different]),
[] ).
fof(smaller_prime_divisors,plain,
! [A] :
( prime(A)
| less(prime_divisor(A),A) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),
[] ).
cnf(153930744,plain,
( prime(A)
| less(prime_divisor(A),A) ),
inference(rewrite,[status(thm)],[smaller_prime_divisors]),
[] ).
cnf(161928776,plain,
( ~ less(A,prime_divisor(A))
| prime(A) ),
inference(resolution,[status(thm)],[153938984,153930744]),
[] ).
cnf(contradiction,plain,
$false,
inference(forward_subsumption_resolution__resolution,[status(thm)],[161977624,153982008,161823152,153998768,161928776]),
[] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(divisor_is_smaller,plain,(~divides(A,factorial_plus_one(B))|less(B,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),[]).
%
% cnf(153970960,plain,(~divides(A,factorial_plus_one(B))|less(B,A)),inference(rewrite,[status(thm)],[divisor_is_smaller]),[]).
%
% fof(division_by_prime_divisor,plain,(prime(A)|divides(prime_divisor(A),A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),[]).
%
% cnf(153977288,plain,(prime(A)|divides(prime_divisor(A),A)),inference(rewrite,[status(thm)],[division_by_prime_divisor]),[]).
%
% cnf(161977624,plain,(less(A,prime_divisor(factorial_plus_one(A)))|prime(factorial_plus_one(A))),inference(resolution,[status(thm)],[153970960,153977288]),[]).
%
% fof(prime_divsiors,plain,(prime(A)|prime(prime_divisor(A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),[]).
%
% cnf(153982008,plain,(prime(A)|prime(prime_divisor(A))),inference(rewrite,[status(thm)],[prime_divsiors]),[]).
%
% fof(a_prime_is_less_than_the_next_one,plain,(less(A,factorial_plus_one(A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),[]).
%
% cnf(153961272,plain,(less(A,factorial_plus_one(A))),inference(rewrite,[status(thm)],[a_prime_is_less_than_the_next_one]),[]).
%
% fof(prove_there_is_another_prime,plain,(~prime(A)|~less(a,A)|less(factorial_plus_one(a),A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),[]).
%
% cnf(153998768,plain,(~prime(A)|~less(a,A)|less(factorial_plus_one(a),A)),inference(rewrite,[status(thm)],[prove_there_is_another_prime]),[]).
%
% fof(nothing_is_less_than_itself,plain,(~less(A,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),[]).
%
% cnf(153933208,plain,(~less(A,A)),inference(rewrite,[status(thm)],[nothing_is_less_than_itself]),[]).
%
% cnf(161823152,plain,(~prime(factorial_plus_one(a))),inference(forward_subsumption_resolution__resolution,[status(thm)],[153961272,153998768,153933208]),[]).
%
% fof(numbers_are_different,plain,(~less(A,B)|~less(B,A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),[]).
%
% cnf(153938984,plain,(~less(A,B)|~less(B,A)),inference(rewrite,[status(thm)],[numbers_are_different]),[]).
%
% fof(smaller_prime_divisors,plain,(prime(A)|less(prime_divisor(A),A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/NUM/NUM016-1.tptp',unknown),[]).
%
% cnf(153930744,plain,(prime(A)|less(prime_divisor(A),A)),inference(rewrite,[status(thm)],[smaller_prime_divisors]),[]).
%
% cnf(161928776,plain,(~less(A,prime_divisor(A))|prime(A)),inference(resolution,[status(thm)],[153938984,153930744]),[]).
%
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[161977624,153982008,161823152,153998768,161928776]),[]).
%
% END OF PROOF SEQUENCE
%
%------------------------------------------------------------------------------