%------------------------------------------------------------------------------
% File : LEO-II---2.3.1
% Problem : SET670^3 : TPTP v9.3.1. Released v3.6.0.
% Transfm : none
% Format : tptp:raw
% Command : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n006.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Wed Oct 7 10:40:48 AM UTC 2026
% Result : Theorem 0.10s 0.20s
% Output : CNFRefutation 0.10s
% Verified :
% SZS Type : Refutation
% Derivation depth : 19
% Number of leaves : 36
% Syntax : Number of formulae : 79 ( 70 unt; 0 typ; 35 def)
% Number of atoms : 299 ( 93 equ; 0 cnn)
% Maximal formula atoms : 3 ( 3 avg)
% Number of connectives : 452 ( 72 ~; 43 |; 44 &; 263 @)
% ( 1 <=>; 29 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 1 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 89 ( 89 >; 0 *; 0 +; 0 <<)
% Number of symbols : 44 ( 41 usr; 4 con; 0-4 aty)
% Number of variables : 191 ( 80 ^; 103 !; 8 ?; 191 :)
% Comments :
%------------------------------------------------------------------------------
thf(tp_cartesian_product,type,
cartesian_product: ( $i > $o ) > ( $i > $o ) > $i > $i > $o ).
thf(tp_complement,type,
complement: ( $i > $o ) > $i > $o ).
thf(tp_disjoint,type,
disjoint: ( $i > $o ) > ( $i > $o ) > $o ).
thf(tp_emptyset,type,
emptyset: $i > $o ).
thf(tp_equiv_classes,type,
equiv_classes: ( $i > $i > $o ) > ( $i > $o ) > $o ).
thf(tp_equiv_rel,type,
equiv_rel: ( $i > $i > $o ) > $o ).
thf(tp_excl_union,type,
excl_union: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_id_rel,type,
id_rel: ( $i > $o ) > $i > $i > $o ).
thf(tp_in,type,
in: $i > ( $i > $o ) > $o ).
thf(tp_intersection,type,
intersection: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_irreflexive,type,
irreflexive: ( $i > $i > $o ) > $o ).
thf(tp_is_a,type,
is_a: $i > ( $i > $o ) > $o ).
thf(tp_is_rel_on,type,
is_rel_on: ( $i > $i > $o ) > ( $i > $o ) > ( $i > $o ) > $o ).
thf(tp_meets,type,
meets: ( $i > $o ) > ( $i > $o ) > $o ).
thf(tp_misses,type,
misses: ( $i > $o ) > ( $i > $o ) > $o ).
thf(tp_pair_rel,type,
pair_rel: $i > $i > $i > $i > $o ).
thf(tp_reflexive,type,
reflexive: ( $i > $i > $o ) > $o ).
thf(tp_rel_codomain,type,
rel_codomain: ( $i > $i > $o ) > $i > $o ).
thf(tp_rel_composition,type,
rel_composition: ( $i > $i > $o ) > ( $i > $i > $o ) > $i > $i > $o ).
thf(tp_rel_diagonal,type,
rel_diagonal: $i > $i > $o ).
thf(tp_rel_domain,type,
rel_domain: ( $i > $i > $o ) > $i > $o ).
thf(tp_rel_field,type,
rel_field: ( $i > $i > $o ) > $i > $o ).
thf(tp_rel_inverse,type,
rel_inverse: ( $i > $i > $o ) > $i > $i > $o ).
thf(tp_restrict_rel_codomain,type,
restrict_rel_codomain: ( $i > $i > $o ) > ( $i > $o ) > $i > $i > $o ).
thf(tp_restrict_rel_domain,type,
restrict_rel_domain: ( $i > $i > $o ) > ( $i > $o ) > $i > $i > $o ).
thf(tp_sK1_SY0,type,
sK1_SY0: $i > $o ).
thf(tp_sK2_SY36,type,
sK2_SY36: $i > $i > $o ).
thf(tp_sK3_SY43,type,
sK3_SY43: $i > $o ).
thf(tp_sK4_SY49,type,
sK4_SY49: $i > $o ).
thf(tp_sK5_SY56,type,
sK5_SY56: $i ).
thf(tp_sK6_SY58,type,
sK6_SY58: $i ).
thf(tp_setminus,type,
setminus: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_singleton,type,
singleton: $i > $i > $o ).
thf(tp_sub_rel,type,
sub_rel: ( $i > $i > $o ) > ( $i > $i > $o ) > $o ).
thf(tp_subset,type,
subset: ( $i > $o ) > ( $i > $o ) > $o ).
thf(tp_symmetric,type,
symmetric: ( $i > $i > $o ) > $o ).
thf(tp_transitive,type,
transitive: ( $i > $i > $o ) > $o ).
thf(tp_union,type,
union: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_unord_pair,type,
unord_pair: $i > $i > $i > $o ).
thf(tp_upwards_well_founded,type,
upwards_well_founded: ( $i > $i > $o ) > $o ).
thf(tp_well_founded,type,
well_founded: ( $i > $i > $o ) > $o ).
thf(cartesian_product,definition,
( cartesian_product
= ( ^ [X: $i > $o,Y: $i > $o,U: $i,V: $i] :
( ( X @ U )
& ( Y @ V ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cartesian_product) ).
thf(complement,definition,
( complement
= ( ^ [X: $i > $o,U: $i] :
~ ( X @ U ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',complement) ).
thf(disjoint,definition,
( disjoint
= ( ^ [X: $i > $o,Y: $i > $o] :
( ( intersection @ X @ Y )
= emptyset ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',disjoint) ).
thf(emptyset,definition,
( emptyset
= ( ^ [X: $i] : $false ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',emptyset) ).
thf(equiv_classes,definition,
( equiv_classes
= ( ^ [R: $i > $i > $o,S1: $i > $o] :
? [X: $i] :
( ( S1 @ X )
& ! [Y: $i] :
( ( S1 @ Y )
<=> ( R @ X @ Y ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',equiv_classes) ).
thf(equiv_rel,definition,
( equiv_rel
= ( ^ [R: $i > $i > $o] :
( ( reflexive @ R )
& ( symmetric @ R )
& ( transitive @ R ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',equiv_rel) ).
thf(excl_union,definition,
( excl_union
= ( ^ [X: $i > $o,Y: $i > $o,U: $i] :
( ( ( X @ U )
& ~ ( Y @ U ) )
| ( ~ ( X @ U )
& ( Y @ U ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',excl_union) ).
thf(id_rel,definition,
( id_rel
= ( ^ [S: $i > $o,X: $i,Y: $i] :
( ( S @ X )
& ( X = Y ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',id_rel) ).
thf(in,definition,
( in
= ( ^ [X: $i,M: $i > $o] : ( M @ X ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',in) ).
thf(intersection,definition,
( intersection
= ( ^ [X: $i > $o,Y: $i > $o,U: $i] :
( ( X @ U )
& ( Y @ U ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection) ).
thf(irreflexive,definition,
( irreflexive
= ( ^ [R: $i > $i > $o] :
! [X: $i] :
~ ( R @ X @ X ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',irreflexive) ).
thf(is_a,definition,
( is_a
= ( ^ [X: $i,M: $i > $o] : ( M @ X ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',is_a) ).
thf(is_rel_on,definition,
( is_rel_on
= ( ^ [R: $i > $i > $o,A: $i > $o,B: $i > $o] :
! [X: $i,Y: $i] :
( ( R @ X @ Y )
=> ( ( A @ X )
& ( B @ Y ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',is_rel_on) ).
thf(meets,definition,
( meets
= ( ^ [X: $i > $o,Y: $i > $o] :
? [U: $i] :
( ( X @ U )
& ( Y @ U ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',meets) ).
thf(misses,definition,
( misses
= ( ^ [X: $i > $o,Y: $i > $o] :
~ ? [U: $i] :
( ( X @ U )
& ( Y @ U ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',misses) ).
thf(pair_rel,definition,
( pair_rel
= ( ^ [X: $i,Y: $i,U: $i,V: $i] :
( ( U = X )
| ( V = Y ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',pair_rel) ).
thf(reflexive,definition,
( reflexive
= ( ^ [R: $i > $i > $o] :
! [X: $i] : ( R @ X @ X ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',reflexive) ).
thf(rel_codomain,definition,
( rel_codomain
= ( ^ [R: $i > $i > $o,Y: $i] :
? [X: $i] : ( R @ X @ Y ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',rel_codomain) ).
thf(rel_composition,definition,
( rel_composition
= ( ^ [R1: $i > $i > $o,R2: $i > $i > $o,X: $i,Z: $i] :
? [Y: $i] :
( ( R1 @ X @ Y )
& ( R2 @ Y @ Z ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',rel_composition) ).
thf(rel_diagonal,definition,
( rel_diagonal
= ( ^ [X: $i,Y: $i] : ( X = Y ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',rel_diagonal) ).
thf(rel_domain,definition,
( rel_domain
= ( ^ [R: $i > $i > $o,X: $i] :
? [Y: $i] : ( R @ X @ Y ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',rel_domain) ).
thf(rel_field,definition,
( rel_field
= ( ^ [R: $i > $i > $o,X: $i] :
( ( rel_domain @ R @ X )
| ( rel_codomain @ R @ X ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',rel_field) ).
thf(rel_inverse,definition,
( rel_inverse
= ( ^ [R: $i > $i > $o,X: $i,Y: $i] : ( R @ Y @ X ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',rel_inverse) ).
thf(restrict_rel_codomain,definition,
( restrict_rel_codomain
= ( ^ [R: $i > $i > $o,S: $i > $o,X: $i,Y: $i] :
( ( S @ Y )
& ( R @ X @ Y ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',restrict_rel_codomain) ).
thf(restrict_rel_domain,definition,
( restrict_rel_domain
= ( ^ [R: $i > $i > $o,S: $i > $o,X: $i,Y: $i] :
( ( S @ X )
& ( R @ X @ Y ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',restrict_rel_domain) ).
thf(setminus,definition,
( setminus
= ( ^ [X: $i > $o,Y: $i > $o,U: $i] :
( ( X @ U )
& ~ ( Y @ U ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',setminus) ).
thf(singleton,definition,
( singleton
= ( ^ [X: $i,U: $i] : ( U = X ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',singleton) ).
thf(sub_rel,definition,
( sub_rel
= ( ^ [R1: $i > $i > $o,R2: $i > $i > $o] :
! [X: $i,Y: $i] :
( ( R1 @ X @ Y )
=> ( R2 @ X @ Y ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',sub_rel) ).
thf(subset,definition,
( subset
= ( ^ [X: $i > $o,Y: $i > $o] :
! [U: $i] :
( ( X @ U )
=> ( Y @ U ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',subset) ).
thf(symmetric,definition,
( symmetric
= ( ^ [R: $i > $i > $o] :
! [X: $i,Y: $i] :
( ( R @ X @ Y )
=> ( R @ Y @ X ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',symmetric) ).
thf(transitive,definition,
( transitive
= ( ^ [R: $i > $i > $o] :
! [X: $i,Y: $i,Z: $i] :
( ( ( R @ X @ Y )
& ( R @ Y @ Z ) )
=> ( R @ X @ Z ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',transitive) ).
thf(union,definition,
( union
= ( ^ [X: $i > $o,Y: $i > $o,U: $i] :
( ( X @ U )
| ( Y @ U ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',union) ).
thf(unord_pair,definition,
( unord_pair
= ( ^ [X: $i,Y: $i,U: $i] :
( ( U = X )
| ( U = Y ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',unord_pair) ).
thf(upwards_well_founded,definition,
( upwards_well_founded
= ( ^ [R: $i > $i > $o] :
! [X: $i > $o,Z: $i] :
( ( X @ Z )
=> ? [Y: $i] :
( ( X @ Y )
& ! [W: $i] :
( ( R @ Y @ Y )
=> ~ ( X @ W ) ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',upwards_well_founded) ).
thf(well_founded,definition,
( well_founded
= ( ^ [R: $i > $i > $o] :
! [X: $i > $o,Z: $i] :
( ( X @ Z )
=> ? [Y: $i] :
( ( X @ Y )
& ! [W: $i] :
( ( R @ Y @ W )
=> ~ ( X @ W ) ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',well_founded) ).
thf(1,conjecture,
! [Z: $i > $o,R: $i > $i > $o,X: $i > $o,Y: $i > $o] :
( ( is_rel_on @ R @ X @ Y )
=> ( is_rel_on @ ( restrict_rel_domain @ R @ Z ) @ Z @ Y ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm) ).
thf(2,negated_conjecture,
( ( ! [Z: $i > $o,R: $i > $i > $o,X: $i > $o,Y: $i > $o] :
( ( is_rel_on @ R @ X @ Y )
=> ( is_rel_on @ ( restrict_rel_domain @ R @ Z ) @ Z @ Y ) ) )
= $false ),
inference(negate_conjecture,[status(cth)],[1]) ).
thf(3,plain,
( ( ! [SY0: $i > $o,SY1: $i > $i > $o,SY2: $i > $o,SY3: $i > $o] :
( ! [SY11: $i,SY12: $i] :
( ( SY1 @ SY11 @ SY12 )
=> ( ( SY2 @ SY11 )
& ( SY3 @ SY12 ) ) )
=> ! [SY26: $i,SY27: $i] :
( ( ( SY0 @ SY26 )
& ( SY1 @ SY26 @ SY27 ) )
=> ( ( SY0 @ SY26 )
& ( SY3 @ SY27 ) ) ) ) )
= $false ),
inference(unfold_def,[status(thm)],[2,cartesian_product,complement,disjoint,emptyset,equiv_classes,equiv_rel,excl_union,id_rel,in,intersection,irreflexive,is_a,is_rel_on,meets,misses,pair_rel,reflexive,rel_codomain,rel_composition,rel_diagonal,rel_domain,rel_field,rel_inverse,restrict_rel_codomain,restrict_rel_domain,setminus,singleton,sub_rel,subset,symmetric,transitive,union,unord_pair,upwards_well_founded,well_founded]) ).
thf(4,plain,
( ( ! [SY36: $i > $i > $o,SY37: $i > $o,SY38: $i > $o] :
( ! [SY11: $i,SY12: $i] :
( ( SY36 @ SY11 @ SY12 )
=> ( ( SY37 @ SY11 )
& ( SY38 @ SY12 ) ) )
=> ! [SY41: $i,SY42: $i] :
( ( ( sK1_SY0 @ SY41 )
& ( SY36 @ SY41 @ SY42 ) )
=> ( ( sK1_SY0 @ SY41 )
& ( SY38 @ SY42 ) ) ) ) )
= $false ),
inference(extcnf_forall_neg,[status(esa)],[3]) ).
thf(5,plain,
( ( ! [SY43: $i > $o,SY44: $i > $o] :
( ! [SY45: $i,SY46: $i] :
( ( sK2_SY36 @ SY45 @ SY46 )
=> ( ( SY43 @ SY45 )
& ( SY44 @ SY46 ) ) )
=> ! [SY47: $i,SY48: $i] :
( ( ( sK1_SY0 @ SY47 )
& ( sK2_SY36 @ SY47 @ SY48 ) )
=> ( ( sK1_SY0 @ SY47 )
& ( SY44 @ SY48 ) ) ) ) )
= $false ),
inference(extcnf_forall_neg,[status(esa)],[4]) ).
thf(6,plain,
( ( ! [SY49: $i > $o] :
( ! [SY50: $i,SY51: $i] :
( ( sK2_SY36 @ SY50 @ SY51 )
=> ( ( sK3_SY43 @ SY50 )
& ( SY49 @ SY51 ) ) )
=> ! [SY47: $i,SY48: $i] :
( ( ( sK1_SY0 @ SY47 )
& ( sK2_SY36 @ SY47 @ SY48 ) )
=> ( ( sK1_SY0 @ SY47 )
& ( SY49 @ SY48 ) ) ) ) )
= $false ),
inference(extcnf_forall_neg,[status(esa)],[5]) ).
thf(7,plain,
( ( ! [SY54: $i,SY55: $i] :
( ( sK2_SY36 @ SY54 @ SY55 )
=> ( ( sK3_SY43 @ SY54 )
& ( sK4_SY49 @ SY55 ) ) )
=> ! [SY56: $i,SY57: $i] :
( ( ( sK1_SY0 @ SY56 )
& ( sK2_SY36 @ SY56 @ SY57 ) )
=> ( ( sK1_SY0 @ SY56 )
& ( sK4_SY49 @ SY57 ) ) ) )
= $false ),
inference(extcnf_forall_neg,[status(esa)],[6]) ).
thf(8,plain,
( ( ! [SY54: $i,SY55: $i] :
( ( sK2_SY36 @ SY54 @ SY55 )
=> ( ( sK3_SY43 @ SY54 )
& ( sK4_SY49 @ SY55 ) ) ) )
= $true ),
inference(standard_cnf,[status(thm)],[7]) ).
thf(9,plain,
( ( ! [SY56: $i,SY57: $i] :
( ( ( sK1_SY0 @ SY56 )
& ( sK2_SY36 @ SY56 @ SY57 ) )
=> ( ( sK1_SY0 @ SY56 )
& ( sK4_SY49 @ SY57 ) ) ) )
= $false ),
inference(standard_cnf,[status(thm)],[7]) ).
thf(10,plain,
( ( ~ ! [SY56: $i,SY57: $i] :
( ( ( sK1_SY0 @ SY56 )
& ( sK2_SY36 @ SY56 @ SY57 ) )
=> ( ( sK1_SY0 @ SY56 )
& ( sK4_SY49 @ SY57 ) ) ) )
= $true ),
inference(polarity_switch,[status(thm)],[9]) ).
thf(11,plain,
( ( ( sK1_SY0 @ sK5_SY56 )
& ( sK2_SY36 @ sK5_SY56 @ sK6_SY58 )
& ( ~ ( sK1_SY0 @ sK5_SY56 )
| ~ ( sK4_SY49 @ sK6_SY58 ) ) )
= $true ),
inference(extcnf_combined,[status(esa)],[10]) ).
thf(12,plain,
( ( ! [SY54: $i] :
( ! [SY55: $i] :
~ ( sK2_SY36 @ SY54 @ SY55 )
| ( sK3_SY43 @ SY54 ) )
& ! [SY54: $i,SY55: $i] :
( ~ ( sK2_SY36 @ SY54 @ SY55 )
| ( sK4_SY49 @ SY55 ) ) )
= $true ),
inference(extcnf_combined,[status(esa)],[8]) ).
thf(13,plain,
( ( ! [SY54: $i] :
( ! [SY55: $i] :
~ ( sK2_SY36 @ SY54 @ SY55 )
| ( sK3_SY43 @ SY54 ) )
& ! [SY54: $i,SY55: $i] :
( ~ ( sK2_SY36 @ SY54 @ SY55 )
| ( sK4_SY49 @ SY55 ) ) )
= $true ),
inference(copy,[status(thm)],[12]) ).
thf(14,plain,
( ( ( sK1_SY0 @ sK5_SY56 )
& ( sK2_SY36 @ sK5_SY56 @ sK6_SY58 )
& ( ~ ( sK1_SY0 @ sK5_SY56 )
| ~ ( sK4_SY49 @ sK6_SY58 ) ) )
= $true ),
inference(copy,[status(thm)],[11]) ).
thf(15,plain,
( ( ~ ( ~ ~ ( ~ ( sK1_SY0 @ sK5_SY56 )
| ~ ( sK2_SY36 @ sK5_SY56 @ sK6_SY58 ) )
| ~ ( ~ ( sK1_SY0 @ sK5_SY56 )
| ~ ( sK4_SY49 @ sK6_SY58 ) ) ) )
= $true ),
inference(unfold_def,[status(thm)],[14,cartesian_product,complement,disjoint,emptyset,equiv_classes,equiv_rel,excl_union,id_rel,in,intersection,irreflexive,is_a,is_rel_on,meets,misses,pair_rel,reflexive,rel_codomain,rel_composition,rel_diagonal,rel_domain,rel_field,rel_inverse,restrict_rel_codomain,restrict_rel_domain,setminus,singleton,sub_rel,subset,symmetric,transitive,union,unord_pair,upwards_well_founded,well_founded]) ).
thf(16,plain,
( ( ~ ( ~ ! [SX0: $i] :
( ! [SX1: $i] :
~ ( sK2_SY36 @ SX0 @ SX1 )
| ( sK3_SY43 @ SX0 ) )
| ~ ! [SX0: $i,SX1: $i] :
( ~ ( sK2_SY36 @ SX0 @ SX1 )
| ( sK4_SY49 @ SX1 ) ) ) )
= $true ),
inference(unfold_def,[status(thm)],[13,cartesian_product,complement,disjoint,emptyset,equiv_classes,equiv_rel,excl_union,id_rel,in,intersection,irreflexive,is_a,is_rel_on,meets,misses,pair_rel,reflexive,rel_codomain,rel_composition,rel_diagonal,rel_domain,rel_field,rel_inverse,restrict_rel_codomain,restrict_rel_domain,setminus,singleton,sub_rel,subset,symmetric,transitive,union,unord_pair,upwards_well_founded,well_founded]) ).
thf(17,plain,
( ( ~ ~ ( ~ ( sK1_SY0 @ sK5_SY56 )
| ~ ( sK2_SY36 @ sK5_SY56 @ sK6_SY58 ) )
| ~ ( ~ ( sK1_SY0 @ sK5_SY56 )
| ~ ( sK4_SY49 @ sK6_SY58 ) ) )
= $false ),
inference(extcnf_not_pos,[status(thm)],[15]) ).
thf(18,plain,
( ( ~ ! [SX0: $i] :
( ! [SX1: $i] :
~ ( sK2_SY36 @ SX0 @ SX1 )
| ( sK3_SY43 @ SX0 ) )
| ~ ! [SX0: $i,SX1: $i] :
( ~ ( sK2_SY36 @ SX0 @ SX1 )
| ( sK4_SY49 @ SX1 ) ) )
= $false ),
inference(extcnf_not_pos,[status(thm)],[16]) ).
thf(19,plain,
( ( ~ ~ ( ~ ( sK1_SY0 @ sK5_SY56 )
| ~ ( sK2_SY36 @ sK5_SY56 @ sK6_SY58 ) ) )
= $false ),
inference(extcnf_or_neg,[status(thm)],[17]) ).
thf(20,plain,
( ( ~ ( ~ ( sK1_SY0 @ sK5_SY56 )
| ~ ( sK4_SY49 @ sK6_SY58 ) ) )
= $false ),
inference(extcnf_or_neg,[status(thm)],[17]) ).
thf(21,plain,
( ( ~ ! [SX0: $i] :
( ! [SX1: $i] :
~ ( sK2_SY36 @ SX0 @ SX1 )
| ( sK3_SY43 @ SX0 ) ) )
= $false ),
inference(extcnf_or_neg,[status(thm)],[18]) ).
thf(22,plain,
( ( ~ ! [SX0: $i,SX1: $i] :
( ~ ( sK2_SY36 @ SX0 @ SX1 )
| ( sK4_SY49 @ SX1 ) ) )
= $false ),
inference(extcnf_or_neg,[status(thm)],[18]) ).
thf(23,plain,
( ( ~ ( ~ ( sK1_SY0 @ sK5_SY56 )
| ~ ( sK2_SY36 @ sK5_SY56 @ sK6_SY58 ) ) )
= $true ),
inference(extcnf_not_neg,[status(thm)],[19]) ).
thf(24,plain,
( ( ~ ( sK1_SY0 @ sK5_SY56 )
| ~ ( sK4_SY49 @ sK6_SY58 ) )
= $true ),
inference(extcnf_not_neg,[status(thm)],[20]) ).
thf(25,plain,
( ( ! [SX0: $i] :
( ! [SX1: $i] :
~ ( sK2_SY36 @ SX0 @ SX1 )
| ( sK3_SY43 @ SX0 ) ) )
= $true ),
inference(extcnf_not_neg,[status(thm)],[21]) ).
thf(26,plain,
( ( ! [SX0: $i,SX1: $i] :
( ~ ( sK2_SY36 @ SX0 @ SX1 )
| ( sK4_SY49 @ SX1 ) ) )
= $true ),
inference(extcnf_not_neg,[status(thm)],[22]) ).
thf(27,plain,
( ( ~ ( sK1_SY0 @ sK5_SY56 )
| ~ ( sK2_SY36 @ sK5_SY56 @ sK6_SY58 ) )
= $false ),
inference(extcnf_not_pos,[status(thm)],[23]) ).
thf(28,plain,
( ( ( ~ ( sK1_SY0 @ sK5_SY56 ) )
= $true )
| ( ( ~ ( sK4_SY49 @ sK6_SY58 ) )
= $true ) ),
inference(extcnf_or_pos,[status(thm)],[24]) ).
thf(29,plain,
! [SV1: $i] :
( ( ! [SY59: $i] :
~ ( sK2_SY36 @ SV1 @ SY59 )
| ( sK3_SY43 @ SV1 ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[25]) ).
thf(30,plain,
! [SV2: $i] :
( ( ! [SY60: $i] :
( ~ ( sK2_SY36 @ SV2 @ SY60 )
| ( sK4_SY49 @ SY60 ) ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[26]) ).
thf(31,plain,
( ( ~ ( sK1_SY0 @ sK5_SY56 ) )
= $false ),
inference(extcnf_or_neg,[status(thm)],[27]) ).
thf(32,plain,
( ( ~ ( sK2_SY36 @ sK5_SY56 @ sK6_SY58 ) )
= $false ),
inference(extcnf_or_neg,[status(thm)],[27]) ).
thf(33,plain,
( ( ( sK1_SY0 @ sK5_SY56 )
= $false )
| ( ( ~ ( sK4_SY49 @ sK6_SY58 ) )
= $true ) ),
inference(extcnf_not_pos,[status(thm)],[28]) ).
thf(34,plain,
! [SV1: $i] :
( ( ( ! [SY59: $i] :
~ ( sK2_SY36 @ SV1 @ SY59 ) )
= $true )
| ( ( sK3_SY43 @ SV1 )
= $true ) ),
inference(extcnf_or_pos,[status(thm)],[29]) ).
thf(35,plain,
! [SV3: $i,SV2: $i] :
( ( ~ ( sK2_SY36 @ SV2 @ SV3 )
| ( sK4_SY49 @ SV3 ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[30]) ).
thf(36,plain,
( ( sK1_SY0 @ sK5_SY56 )
= $true ),
inference(extcnf_not_neg,[status(thm)],[31]) ).
thf(37,plain,
( ( sK2_SY36 @ sK5_SY56 @ sK6_SY58 )
= $true ),
inference(extcnf_not_neg,[status(thm)],[32]) ).
thf(38,plain,
( ( ( sK4_SY49 @ sK6_SY58 )
= $false )
| ( ( sK1_SY0 @ sK5_SY56 )
= $false ) ),
inference(extcnf_not_pos,[status(thm)],[33]) ).
thf(39,plain,
! [SV4: $i,SV1: $i] :
( ( ( ~ ( sK2_SY36 @ SV1 @ SV4 ) )
= $true )
| ( ( sK3_SY43 @ SV1 )
= $true ) ),
inference(extcnf_forall_pos,[status(thm)],[34]) ).
thf(40,plain,
! [SV3: $i,SV2: $i] :
( ( ( ~ ( sK2_SY36 @ SV2 @ SV3 ) )
= $true )
| ( ( sK4_SY49 @ SV3 )
= $true ) ),
inference(extcnf_or_pos,[status(thm)],[35]) ).
thf(41,plain,
! [SV4: $i,SV1: $i] :
( ( ( sK2_SY36 @ SV1 @ SV4 )
= $false )
| ( ( sK3_SY43 @ SV1 )
= $true ) ),
inference(extcnf_not_pos,[status(thm)],[39]) ).
thf(42,plain,
! [SV3: $i,SV2: $i] :
( ( ( sK2_SY36 @ SV2 @ SV3 )
= $false )
| ( ( sK4_SY49 @ SV3 )
= $true ) ),
inference(extcnf_not_pos,[status(thm)],[40]) ).
thf(43,plain,
$false = $true,
inference(fo_atp_e,[status(thm)],[36,42,41,38,37]) ).
thf(44,plain,
$false,
inference(solved_all_splits,[solved_all_splits(join,[])],[43]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SET670^3 : TPTP v9.3.1. Released v3.6.0.
% 0.00/0.03 % Command : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.16 % Computer : n006.cluster.edu
% 0.10/0.16 % Model : x86_64 x86_64
% 0.10/0.16 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.16 % Memory : 8046.5625MB
% 0.10/0.16 % OS : Linux 6.8.0-71-generic
% 0.10/0.16 % CPULimit : 300
% 0.10/0.16 % WCLimit : 300
% 0.10/0.16 % DateTime : Tue Oct 6 14:48:07 UTC 2026
% 0.10/0.17 % CPUTime :
% 0.10/0.17 Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.20
% 0.10/0.20 No.of.Axioms: 0
% 0.10/0.20
% 0.10/0.20 Length.of.Defs: 5931
% 0.10/0.20
% 0.10/0.20 Contains.Choice.Funs: false
% 0.10/0.20 .
% 0.10/0.20
% 0.10/0.20 ********************************
% 0.10/0.20 * All subproblems solved! *
% 0.10/0.20 ********************************
% 0.10/0.20 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:1,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:15,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:43,loop_count:0,foatp_calls:1,translation:fof_experiment)
% 0.10/0.20
% 0.10/0.20 %**** Beginning of derivation protocol ****
% 0.10/0.20 % SZS output start CNFRefutation
% See solution above
% 0.10/0.20
% 0.10/0.20 %**** End of derivation protocol ****
% 0.10/0.20 %**** no. of clauses in derivation: 44 ****
% 0.10/0.20 %**** clause counter: 43 ****
% 0.10/0.20
% 0.10/0.20 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:1,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:15,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:43,loop_count:0,foatp_calls:1,translation:fof_experiment)
%------------------------------------------------------------------------------