TSTP Solution File: SET097+1 by Zipperpin---2.1.9999
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET097+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% Transfm : NO INFORMATION
% Format : NO INFORMATION
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.EANAPEwsEF true
% Computer : n006.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 : Thu Aug 31 16:12:42 EDT 2023
% Result : Theorem 264.82s 38.42s
% Output : Refutation 264.82s
% Verified :
% SZS Type : Refutation
% Derivation depth : 17
% Number of leaves : 23
% Syntax : Number of formulae : 83 ( 15 unt; 13 typ; 0 def)
% Number of atoms : 159 ( 42 equ; 0 cnn)
% Maximal formula atoms : 4 ( 2 avg)
% Number of connectives : 492 ( 59 ~; 72 |; 9 &; 344 @)
% ( 6 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 12 ( 7 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 17 ( 17 >; 0 *; 0 +; 0 <<)
% Number of symbols : 15 ( 13 usr; 4 con; 0-2 aty)
% Number of variables : 103 ( 0 ^; 96 !; 7 ?; 103 :)
% Comments :
%------------------------------------------------------------------------------
thf(member_type,type,
member: $i > $i > $o ).
thf(disjoint_type,type,
disjoint: $i > $i > $o ).
thf(sk__4_type,type,
sk__4: $i > $i > $i ).
thf(complement_type,type,
complement: $i > $i ).
thf(subclass_type,type,
subclass: $i > $i > $o ).
thf(sk__7_type,type,
sk__7: $i ).
thf(singleton_type,type,
singleton: $i > $i ).
thf(null_class_type,type,
null_class: $i ).
thf(sk__type,type,
sk_: $i > $i > $i ).
thf(intersection_type,type,
intersection: $i > $i > $i ).
thf(universal_class_type,type,
universal_class: $i ).
thf(unordered_pair_type,type,
unordered_pair: $i > $i > $i ).
thf(sk__5_type,type,
sk__5: $i > $i ).
thf(regularity,axiom,
! [X: $i] :
( ( X != null_class )
=> ? [U: $i] :
( ( disjoint @ U @ X )
& ( member @ U @ X )
& ( member @ U @ universal_class ) ) ) ).
thf(zip_derived_cl84,plain,
! [X0: $i] :
( ( member @ ( sk__5 @ X0 ) @ X0 )
| ( X0 = null_class ) ),
inference(cnf,[status(esa)],[regularity]) ).
thf(zip_derived_cl84_001,plain,
! [X0: $i] :
( ( member @ ( sk__5 @ X0 ) @ X0 )
| ( X0 = null_class ) ),
inference(cnf,[status(esa)],[regularity]) ).
thf(complement,axiom,
! [X: $i,Z: $i] :
( ( member @ Z @ ( complement @ X ) )
<=> ( ( member @ Z @ universal_class )
& ~ ( member @ Z @ X ) ) ) ).
thf(zip_derived_cl29,plain,
! [X0: $i,X1: $i] :
( ( member @ X0 @ ( complement @ X1 ) )
| ( member @ X0 @ X1 )
| ~ ( member @ X0 @ universal_class ) ),
inference(cnf,[status(esa)],[complement]) ).
thf(intersection,axiom,
! [X: $i,Y: $i,Z: $i] :
( ( member @ Z @ ( intersection @ X @ Y ) )
<=> ( ( member @ Z @ X )
& ( member @ Z @ Y ) ) ) ).
thf(zip_derived_cl26,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( member @ X0 @ ( intersection @ X1 @ X2 ) )
| ~ ( member @ X0 @ X2 )
| ~ ( member @ X0 @ X1 ) ),
inference(cnf,[status(esa)],[intersection]) ).
thf(number_of_elements_in_class,conjecture,
! [X: $i] :
( ? [V: $i] :
( ? [W: $i] : ( member @ W @ ( intersection @ ( complement @ ( singleton @ V ) ) @ X ) )
& ( member @ V @ X ) )
| ? [Y: $i] :
( ( singleton @ Y )
= X )
| ( X = null_class ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [X: $i] :
( ? [V: $i] :
( ? [W: $i] : ( member @ W @ ( intersection @ ( complement @ ( singleton @ V ) ) @ X ) )
& ( member @ V @ X ) )
| ? [Y: $i] :
( ( singleton @ Y )
= X )
| ( X = null_class ) ),
inference('cnf.neg',[status(esa)],[number_of_elements_in_class]) ).
thf(zip_derived_cl91,plain,
! [X1: $i,X2: $i] :
( ~ ( member @ X1 @ ( intersection @ ( complement @ ( singleton @ X2 ) ) @ sk__7 ) )
| ~ ( member @ X2 @ sk__7 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl853,plain,
! [X0: $i,X1: $i] :
( ~ ( member @ X1 @ ( complement @ ( singleton @ X0 ) ) )
| ~ ( member @ X1 @ sk__7 )
| ~ ( member @ X0 @ sk__7 ) ),
inference('sup-',[status(thm)],[zip_derived_cl26,zip_derived_cl91]) ).
thf(zip_derived_cl880,plain,
! [X0: $i,X1: $i] :
( ~ ( member @ X1 @ universal_class )
| ( member @ X1 @ ( singleton @ X0 ) )
| ~ ( member @ X0 @ sk__7 )
| ~ ( member @ X1 @ sk__7 ) ),
inference('sup-',[status(thm)],[zip_derived_cl29,zip_derived_cl853]) ).
thf(class_elements_are_sets,axiom,
! [X: $i] : ( subclass @ X @ universal_class ) ).
thf(zip_derived_cl3,plain,
! [X0: $i] : ( subclass @ X0 @ universal_class ),
inference(cnf,[status(esa)],[class_elements_are_sets]) ).
thf(subclass_defn,axiom,
! [X: $i,Y: $i] :
( ( subclass @ X @ Y )
<=> ! [U: $i] :
( ( member @ U @ X )
=> ( member @ U @ Y ) ) ) ).
thf(zip_derived_cl0,plain,
! [X0: $i,X1: $i,X2: $i] :
( ~ ( member @ X0 @ X1 )
| ( member @ X0 @ X2 )
| ~ ( subclass @ X1 @ X2 ) ),
inference(cnf,[status(esa)],[subclass_defn]) ).
thf(zip_derived_cl423,plain,
! [X0: $i,X1: $i] :
( ( member @ X1 @ universal_class )
| ~ ( member @ X1 @ X0 ) ),
inference('sup-',[status(thm)],[zip_derived_cl3,zip_derived_cl0]) ).
thf(zip_derived_cl884,plain,
! [X0: $i,X1: $i] :
( ~ ( member @ X1 @ sk__7 )
| ~ ( member @ X0 @ sk__7 )
| ( member @ X1 @ ( singleton @ X0 ) ) ),
inference(clc,[status(thm)],[zip_derived_cl880,zip_derived_cl423]) ).
thf(zip_derived_cl887,plain,
! [X0: $i] :
( ( sk__7 = null_class )
| ( member @ X0 @ ( singleton @ ( sk__5 @ sk__7 ) ) )
| ~ ( member @ X0 @ sk__7 ) ),
inference('sup-',[status(thm)],[zip_derived_cl84,zip_derived_cl884]) ).
thf(zip_derived_cl89,plain,
sk__7 != null_class,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl888,plain,
! [X0: $i] :
( ( member @ X0 @ ( singleton @ ( sk__5 @ sk__7 ) ) )
| ~ ( member @ X0 @ sk__7 ) ),
inference('simplify_reflect-',[status(thm)],[zip_derived_cl887,zip_derived_cl89]) ).
thf(singleton_set_defn,axiom,
! [X: $i] :
( ( singleton @ X )
= ( unordered_pair @ X @ X ) ) ).
thf(zip_derived_cl12,plain,
! [X0: $i] :
( ( singleton @ X0 )
= ( unordered_pair @ X0 @ X0 ) ),
inference(cnf,[status(esa)],[singleton_set_defn]) ).
thf(unordered_pair_defn,axiom,
! [U: $i,X: $i,Y: $i] :
( ( member @ U @ ( unordered_pair @ X @ Y ) )
<=> ( ( member @ U @ universal_class )
& ( ( U = X )
| ( U = Y ) ) ) ) ).
thf(zip_derived_cl8,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( X1 = X0 )
| ( X1 = X2 )
| ~ ( member @ X1 @ ( unordered_pair @ X2 @ X0 ) ) ),
inference(cnf,[status(esa)],[unordered_pair_defn]) ).
thf(zip_derived_cl493,plain,
! [X0: $i,X1: $i] :
( ~ ( member @ X1 @ ( singleton @ X0 ) )
| ( X1 = X0 )
| ( X1 = X0 ) ),
inference('sup-',[status(thm)],[zip_derived_cl12,zip_derived_cl8]) ).
thf(zip_derived_cl494,plain,
! [X0: $i,X1: $i] :
( ( X1 = X0 )
| ~ ( member @ X1 @ ( singleton @ X0 ) ) ),
inference(simplify,[status(thm)],[zip_derived_cl493]) ).
thf(zip_derived_cl893,plain,
! [X0: $i] :
( ~ ( member @ X0 @ sk__7 )
| ( X0
= ( sk__5 @ sk__7 ) ) ),
inference('sup-',[status(thm)],[zip_derived_cl888,zip_derived_cl494]) ).
thf(zip_derived_cl2,plain,
! [X0: $i,X1: $i] :
( ( subclass @ X0 @ X1 )
| ( member @ ( sk_ @ X1 @ X0 ) @ X0 ) ),
inference(cnf,[status(esa)],[subclass_defn]) ).
thf(zip_derived_cl901,plain,
! [X0: $i] :
( ( ( sk_ @ X0 @ sk__7 )
= ( sk__5 @ sk__7 ) )
| ( subclass @ sk__7 @ X0 ) ),
inference('sup+',[status(thm)],[zip_derived_cl893,zip_derived_cl2]) ).
thf(zip_derived_cl1,plain,
! [X0: $i,X1: $i] :
( ( subclass @ X0 @ X1 )
| ~ ( member @ ( sk_ @ X1 @ X0 ) @ X1 ) ),
inference(cnf,[status(esa)],[subclass_defn]) ).
thf(zip_derived_cl1842,plain,
! [X0: $i] :
( ~ ( member @ ( sk__5 @ sk__7 ) @ X0 )
| ( subclass @ sk__7 @ X0 )
| ( subclass @ sk__7 @ X0 ) ),
inference('sup-',[status(thm)],[zip_derived_cl901,zip_derived_cl1]) ).
thf(zip_derived_cl1845,plain,
! [X0: $i] :
( ( subclass @ sk__7 @ X0 )
| ~ ( member @ ( sk__5 @ sk__7 ) @ X0 ) ),
inference(simplify,[status(thm)],[zip_derived_cl1842]) ).
thf(zip_derived_cl888_002,plain,
! [X0: $i] :
( ( member @ X0 @ ( singleton @ ( sk__5 @ sk__7 ) ) )
| ~ ( member @ X0 @ sk__7 ) ),
inference('simplify_reflect-',[status(thm)],[zip_derived_cl887,zip_derived_cl89]) ).
thf(zip_derived_cl1858,plain,
( ( subclass @ sk__7 @ ( singleton @ ( sk__5 @ sk__7 ) ) )
| ~ ( member @ ( sk__5 @ sk__7 ) @ sk__7 ) ),
inference('sup+',[status(thm)],[zip_derived_cl1845,zip_derived_cl888]) ).
thf(zip_derived_cl1974,plain,
( ( sk__7 = null_class )
| ( subclass @ sk__7 @ ( singleton @ ( sk__5 @ sk__7 ) ) ) ),
inference('sup-',[status(thm)],[zip_derived_cl84,zip_derived_cl1858]) ).
thf(zip_derived_cl89_003,plain,
sk__7 != null_class,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl1978,plain,
subclass @ sk__7 @ ( singleton @ ( sk__5 @ sk__7 ) ),
inference('simplify_reflect-',[status(thm)],[zip_derived_cl1974,zip_derived_cl89]) ).
thf(extensionality,axiom,
! [X: $i,Y: $i] :
( ( X = Y )
<=> ( ( subclass @ X @ Y )
& ( subclass @ Y @ X ) ) ) ).
thf(zip_derived_cl6,plain,
! [X0: $i,X1: $i] :
( ( X1 = X0 )
| ~ ( subclass @ X0 @ X1 )
| ~ ( subclass @ X1 @ X0 ) ),
inference(cnf,[status(esa)],[extensionality]) ).
thf(zip_derived_cl1983,plain,
( ~ ( subclass @ ( singleton @ ( sk__5 @ sk__7 ) ) @ sk__7 )
| ( ( singleton @ ( sk__5 @ sk__7 ) )
= sk__7 ) ),
inference('sup-',[status(thm)],[zip_derived_cl1978,zip_derived_cl6]) ).
thf(zip_derived_cl90,plain,
! [X0: $i] :
( ( singleton @ X0 )
!= sk__7 ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl1984,plain,
~ ( subclass @ ( singleton @ ( sk__5 @ sk__7 ) ) @ sk__7 ),
inference('simplify_reflect-',[status(thm)],[zip_derived_cl1983,zip_derived_cl90]) ).
thf(zip_derived_cl494_004,plain,
! [X0: $i,X1: $i] :
( ( X1 = X0 )
| ~ ( member @ X1 @ ( singleton @ X0 ) ) ),
inference(simplify,[status(thm)],[zip_derived_cl493]) ).
thf(zip_derived_cl2_005,plain,
! [X0: $i,X1: $i] :
( ( subclass @ X0 @ X1 )
| ( member @ ( sk_ @ X1 @ X0 ) @ X0 ) ),
inference(cnf,[status(esa)],[subclass_defn]) ).
thf(zip_derived_cl513,plain,
! [X0: $i,X1: $i] :
( ( ( sk_ @ X1 @ ( singleton @ X0 ) )
= X0 )
| ( subclass @ ( singleton @ X0 ) @ X1 ) ),
inference('sup+',[status(thm)],[zip_derived_cl494,zip_derived_cl2]) ).
thf(zip_derived_cl1_006,plain,
! [X0: $i,X1: $i] :
( ( subclass @ X0 @ X1 )
| ~ ( member @ ( sk_ @ X1 @ X0 ) @ X1 ) ),
inference(cnf,[status(esa)],[subclass_defn]) ).
thf(zip_derived_cl4194,plain,
! [X0: $i,X1: $i] :
( ~ ( member @ X0 @ X1 )
| ( subclass @ ( singleton @ X0 ) @ X1 )
| ( subclass @ ( singleton @ X0 ) @ X1 ) ),
inference('sup-',[status(thm)],[zip_derived_cl513,zip_derived_cl1]) ).
thf(zip_derived_cl4209,plain,
! [X0: $i,X1: $i] :
( ( subclass @ ( singleton @ X0 ) @ X1 )
| ~ ( member @ X0 @ X1 ) ),
inference(simplify,[status(thm)],[zip_derived_cl4194]) ).
thf(zip_derived_cl84_007,plain,
! [X0: $i] :
( ( member @ ( sk__5 @ X0 ) @ X0 )
| ( X0 = null_class ) ),
inference(cnf,[status(esa)],[regularity]) ).
thf(zip_derived_cl893_008,plain,
! [X0: $i] :
( ~ ( member @ X0 @ sk__7 )
| ( X0
= ( sk__5 @ sk__7 ) ) ),
inference('sup-',[status(thm)],[zip_derived_cl888,zip_derived_cl494]) ).
thf(zip_derived_cl84_009,plain,
! [X0: $i] :
( ( member @ ( sk__5 @ X0 ) @ X0 )
| ( X0 = null_class ) ),
inference(cnf,[status(esa)],[regularity]) ).
thf(disjoint_defn,axiom,
! [X: $i,Y: $i] :
( ( disjoint @ X @ Y )
<=> ! [U: $i] :
~ ( ( member @ U @ X )
& ( member @ U @ Y ) ) ) ).
thf(zip_derived_cl81,plain,
! [X0: $i,X1: $i] :
( ( disjoint @ X0 @ X1 )
| ( member @ ( sk__4 @ X1 @ X0 ) @ X0 ) ),
inference(cnf,[status(esa)],[disjoint_defn]) ).
thf(zip_derived_cl80,plain,
! [X0: $i,X1: $i,X2: $i] :
( ~ ( member @ X0 @ X1 )
| ~ ( member @ X0 @ X2 )
| ~ ( disjoint @ X2 @ X1 ) ),
inference(cnf,[status(esa)],[disjoint_defn]) ).
thf(zip_derived_cl414,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( member @ ( sk__4 @ X0 @ X1 ) @ X1 )
| ~ ( member @ X2 @ X1 )
| ~ ( member @ X2 @ X0 ) ),
inference('dp-resolution',[status(thm)],[zip_derived_cl81,zip_derived_cl80]) ).
thf(zip_derived_cl587,plain,
! [X0: $i,X1: $i] :
( ( X0 = null_class )
| ~ ( member @ ( sk__5 @ X0 ) @ X1 )
| ( member @ ( sk__4 @ X1 @ X0 ) @ X0 ) ),
inference('sup-',[status(thm)],[zip_derived_cl84,zip_derived_cl414]) ).
thf(zip_derived_cl6067,plain,
! [X0: $i] :
( ( ( sk__4 @ X0 @ sk__7 )
= ( sk__5 @ sk__7 ) )
| ~ ( member @ ( sk__5 @ sk__7 ) @ X0 )
| ( sk__7 = null_class ) ),
inference('sup+',[status(thm)],[zip_derived_cl893,zip_derived_cl587]) ).
thf(zip_derived_cl89_010,plain,
sk__7 != null_class,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl6078,plain,
! [X0: $i] :
( ( ( sk__4 @ X0 @ sk__7 )
= ( sk__5 @ sk__7 ) )
| ~ ( member @ ( sk__5 @ sk__7 ) @ X0 ) ),
inference('simplify_reflect-',[status(thm)],[zip_derived_cl6067,zip_derived_cl89]) ).
thf(zip_derived_cl587_011,plain,
! [X0: $i,X1: $i] :
( ( X0 = null_class )
| ~ ( member @ ( sk__5 @ X0 ) @ X1 )
| ( member @ ( sk__4 @ X1 @ X0 ) @ X0 ) ),
inference('sup-',[status(thm)],[zip_derived_cl84,zip_derived_cl414]) ).
thf(zip_derived_cl30074,plain,
! [X0: $i] :
( ( member @ ( sk__5 @ sk__7 ) @ sk__7 )
| ~ ( member @ ( sk__5 @ sk__7 ) @ X0 )
| ~ ( member @ ( sk__5 @ sk__7 ) @ X0 )
| ( sk__7 = null_class ) ),
inference('sup+',[status(thm)],[zip_derived_cl6078,zip_derived_cl587]) ).
thf(zip_derived_cl30085,plain,
! [X0: $i] :
( ( sk__7 = null_class )
| ~ ( member @ ( sk__5 @ sk__7 ) @ X0 )
| ( member @ ( sk__5 @ sk__7 ) @ sk__7 ) ),
inference(simplify,[status(thm)],[zip_derived_cl30074]) ).
thf(zip_derived_cl89_012,plain,
sk__7 != null_class,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl30086,plain,
! [X0: $i] :
( ~ ( member @ ( sk__5 @ sk__7 ) @ X0 )
| ( member @ ( sk__5 @ sk__7 ) @ sk__7 ) ),
inference('simplify_reflect-',[status(thm)],[zip_derived_cl30085,zip_derived_cl89]) ).
thf(zip_derived_cl30181,plain,
( ( sk__7 = null_class )
| ( member @ ( sk__5 @ sk__7 ) @ sk__7 ) ),
inference('sup-',[status(thm)],[zip_derived_cl84,zip_derived_cl30086]) ).
thf(zip_derived_cl89_013,plain,
sk__7 != null_class,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl30210,plain,
member @ ( sk__5 @ sk__7 ) @ sk__7,
inference('simplify_reflect-',[status(thm)],[zip_derived_cl30181,zip_derived_cl89]) ).
thf(zip_derived_cl201811,plain,
subclass @ ( singleton @ ( sk__5 @ sk__7 ) ) @ sk__7,
inference('sup+',[status(thm)],[zip_derived_cl4209,zip_derived_cl30210]) ).
thf(zip_derived_cl295007,plain,
$false,
inference(demod,[status(thm)],[zip_derived_cl1984,zip_derived_cl201811]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : SET097+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.00/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.EANAPEwsEF true
% 0.12/0.34 % Computer : n006.cluster.edu
% 0.12/0.34 % Model : x86_64 x86_64
% 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34 % Memory : 8042.1875MB
% 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 300
% 0.12/0.34 % DateTime : Sat Aug 26 13:43:37 EDT 2023
% 0.12/0.34 % CPUTime :
% 0.12/0.34 % Running portfolio for 300 s
% 0.12/0.34 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.34 % Number of cores: 8
% 0.12/0.34 % Python version: Python 3.6.8
% 0.12/0.34 % Running in FO mode
% 0.21/0.65 % Total configuration time : 435
% 0.21/0.65 % Estimated wc time : 1092
% 0.21/0.65 % Estimated cpu time (7 cpus) : 156.0
% 0.21/0.69 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.21/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.21/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.21/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.21/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.21/0.74 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.21/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.90/0.79 % /export/starexec/sandbox2/solver/bin/fo/fo1_lcnf.sh running for 50s
% 264.82/38.42 % Solved by fo/fo3_bce.sh.
% 264.82/38.42 % BCE start: 92
% 264.82/38.42 % BCE eliminated: 0
% 264.82/38.42 % PE start: 92
% 264.82/38.42 logic: eq
% 264.82/38.42 % PE eliminated: 5
% 264.82/38.42 % done 20163 iterations in 37.683s
% 264.82/38.42 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 264.82/38.42 % SZS output start Refutation
% See solution above
% 264.82/38.42
% 264.82/38.42
% 264.82/38.42 % Terminating...
% 265.20/38.58 % Runner terminated.
% 265.20/38.58 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------