TSTP Solution File: SET641+3 by Metis---2.4
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : SET641+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm : none
% Format : tptp:raw
% Command : metis --show proof --show saturation %s
% Computer : n004.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 : 600s
% DateTime : Tue Jul 19 03:36:17 EDT 2022
% Result : Theorem 0.48s 0.71s
% Output : CNFRefutation 0.48s
% Verified :
% SZS Type : Refutation
% Derivation depth : 19
% Number of leaves : 8
% Syntax : Number of formulae : 87 ( 17 unt; 0 def)
% Number of atoms : 328 ( 0 equ)
% Maximal formula atoms : 18 ( 3 avg)
% Number of connectives : 414 ( 173 ~; 161 |; 41 &)
% ( 12 <=>; 27 =>; 0 <=; 0 <~>)
% Maximal formula depth : 13 ( 5 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 11 ( 11 usr; 4 con; 0-2 aty)
% Number of variables : 150 ( 4 sgn 83 !; 12 ?)
% Comments :
%------------------------------------------------------------------------------
fof(p1,axiom,
! [B] :
( ilf_type(B,set_type)
=> ! [C] :
( ilf_type(C,set_type)
=> ( ! [D] :
( ilf_type(D,subset_type(cross_product(B,C)))
=> ilf_type(D,relation_type(B,C)) )
& ! [E] :
( ilf_type(E,relation_type(B,C))
=> ilf_type(E,subset_type(cross_product(B,C))) ) ) ) ) ).
fof(p5,axiom,
! [B] :
( ilf_type(B,set_type)
=> ! [C] :
( ilf_type(C,set_type)
=> ( subset(B,C)
<=> ! [D] :
( ilf_type(D,set_type)
=> ( member(D,B)
=> member(D,C) ) ) ) ) ) ).
fof(p7,axiom,
! [B] :
( ilf_type(B,set_type)
=> ! [C] :
( ilf_type(C,set_type)
=> ( ilf_type(C,subset_type(B))
<=> ilf_type(C,member_type(power_set(B))) ) ) ) ).
fof(p10,axiom,
! [B] :
( ilf_type(B,set_type)
=> ! [C] :
( ilf_type(C,set_type)
=> ( member(B,power_set(C))
<=> ! [D] :
( ilf_type(D,set_type)
=> ( member(D,B)
=> member(D,C) ) ) ) ) ) ).
fof(p11,axiom,
! [B] :
( ilf_type(B,set_type)
=> ( ~ empty(power_set(B))
& ilf_type(power_set(B),set_type) ) ) ).
fof(p12,axiom,
! [B] :
( ilf_type(B,set_type)
=> ! [C] :
( ( ~ empty(C)
& ilf_type(C,set_type) )
=> ( ilf_type(B,member_type(C))
<=> member(B,C) ) ) ) ).
fof(p18,axiom,
! [B] : ilf_type(B,set_type) ).
fof(prove_relset_1_3,conjecture,
! [B] :
( ilf_type(B,set_type)
=> ! [C] :
( ilf_type(C,set_type)
=> ! [D] :
( ilf_type(D,set_type)
=> ( subset(B,cross_product(C,D))
=> ilf_type(B,relation_type(C,D)) ) ) ) ) ).
fof(subgoal_0,plain,
! [B] :
( ilf_type(B,set_type)
=> ! [C] :
( ilf_type(C,set_type)
=> ! [D] :
( ( ilf_type(D,set_type)
& subset(B,cross_product(C,D)) )
=> ilf_type(B,relation_type(C,D)) ) ) ),
inference(strip,[],[prove_relset_1_3]) ).
fof(negate_0_0,plain,
~ ! [B] :
( ilf_type(B,set_type)
=> ! [C] :
( ilf_type(C,set_type)
=> ! [D] :
( ( ilf_type(D,set_type)
& subset(B,cross_product(C,D)) )
=> ilf_type(B,relation_type(C,D)) ) ) ),
inference(negate,[],[subgoal_0]) ).
fof(normalize_0_0,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ! [C] :
( ~ ilf_type(C,set_type)
| ( ! [D] :
( ~ ilf_type(D,subset_type(cross_product(B,C)))
| ilf_type(D,relation_type(B,C)) )
& ! [E] :
( ~ ilf_type(E,relation_type(B,C))
| ilf_type(E,subset_type(cross_product(B,C))) ) ) ) ),
inference(canonicalize,[],[p1]) ).
fof(normalize_0_1,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ! [C] :
( ~ ilf_type(C,set_type)
| ( ! [D] :
( ~ ilf_type(D,subset_type(cross_product(B,C)))
| ilf_type(D,relation_type(B,C)) )
& ! [E] :
( ~ ilf_type(E,relation_type(B,C))
| ilf_type(E,subset_type(cross_product(B,C))) ) ) ) ),
inference(specialize,[],[normalize_0_0]) ).
fof(normalize_0_2,plain,
! [B,C,D,E] :
( ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ ilf_type(D,subset_type(cross_product(B,C)))
| ilf_type(D,relation_type(B,C)) )
& ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ ilf_type(E,relation_type(B,C))
| ilf_type(E,subset_type(cross_product(B,C))) ) ),
inference(clausify,[],[normalize_0_1]) ).
fof(normalize_0_3,plain,
! [B,C,D] :
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ ilf_type(D,subset_type(cross_product(B,C)))
| ilf_type(D,relation_type(B,C)) ),
inference(conjunct,[],[normalize_0_2]) ).
fof(normalize_0_4,plain,
! [B] : ilf_type(B,set_type),
inference(canonicalize,[],[p18]) ).
fof(normalize_0_5,plain,
! [B] : ilf_type(B,set_type),
inference(specialize,[],[normalize_0_4]) ).
fof(normalize_0_6,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ! [C] :
( ~ ilf_type(C,set_type)
| ( ~ ilf_type(C,member_type(power_set(B)))
<=> ~ ilf_type(C,subset_type(B)) ) ) ),
inference(canonicalize,[],[p7]) ).
fof(normalize_0_7,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ! [C] :
( ~ ilf_type(C,set_type)
| ( ~ ilf_type(C,member_type(power_set(B)))
<=> ~ ilf_type(C,subset_type(B)) ) ) ),
inference(specialize,[],[normalize_0_6]) ).
fof(normalize_0_8,plain,
! [B,C] :
( ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,member_type(power_set(B)))
| ~ ilf_type(C,set_type)
| ilf_type(C,subset_type(B)) )
& ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ ilf_type(C,subset_type(B))
| ilf_type(C,member_type(power_set(B))) ) ),
inference(clausify,[],[normalize_0_7]) ).
fof(normalize_0_9,plain,
! [B,C] :
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,member_type(power_set(B)))
| ~ ilf_type(C,set_type)
| ilf_type(C,subset_type(B)) ),
inference(conjunct,[],[normalize_0_8]) ).
fof(normalize_0_10,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ! [C] :
( ~ ilf_type(C,set_type)
| empty(C)
| ( ~ ilf_type(B,member_type(C))
<=> ~ member(B,C) ) ) ),
inference(canonicalize,[],[p12]) ).
fof(normalize_0_11,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ! [C] :
( ~ ilf_type(C,set_type)
| empty(C)
| ( ~ ilf_type(B,member_type(C))
<=> ~ member(B,C) ) ) ),
inference(specialize,[],[normalize_0_10]) ).
fof(normalize_0_12,plain,
! [B,C] :
( ( ~ ilf_type(B,member_type(C))
| ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| empty(C)
| member(B,C) )
& ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ member(B,C)
| empty(C)
| ilf_type(B,member_type(C)) ) ),
inference(clausify,[],[normalize_0_11]) ).
fof(normalize_0_13,plain,
! [B,C] :
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ member(B,C)
| empty(C)
| ilf_type(B,member_type(C)) ),
inference(conjunct,[],[normalize_0_12]) ).
fof(normalize_0_14,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ! [C] :
( ~ ilf_type(C,set_type)
| ( ~ member(B,power_set(C))
<=> ? [D] :
( ~ member(D,C)
& ilf_type(D,set_type)
& member(D,B) ) ) ) ),
inference(canonicalize,[],[p10]) ).
fof(normalize_0_15,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ! [C] :
( ~ ilf_type(C,set_type)
| ( ~ member(B,power_set(C))
<=> ? [D] :
( ~ member(D,C)
& ilf_type(D,set_type)
& member(D,B) ) ) ) ),
inference(specialize,[],[normalize_0_14]) ).
fof(normalize_0_16,plain,
! [B,C,D] :
( ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ member(skolemFOFtoCNF_D_2(B,C),C)
| member(B,power_set(C)) )
& ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ilf_type(skolemFOFtoCNF_D_2(B,C),set_type)
| member(B,power_set(C)) )
& ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| member(B,power_set(C))
| member(skolemFOFtoCNF_D_2(B,C),B) )
& ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ ilf_type(D,set_type)
| ~ member(B,power_set(C))
| ~ member(D,B)
| member(D,C) ) ),
inference(clausify,[],[normalize_0_15]) ).
fof(normalize_0_17,plain,
! [B,C] :
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ member(skolemFOFtoCNF_D_2(B,C),C)
| member(B,power_set(C)) ),
inference(conjunct,[],[normalize_0_16]) ).
fof(normalize_0_18,plain,
! [B,C] :
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| member(B,power_set(C))
| member(skolemFOFtoCNF_D_2(B,C),B) ),
inference(conjunct,[],[normalize_0_16]) ).
fof(normalize_0_19,plain,
? [B] :
( ilf_type(B,set_type)
& ? [C] :
( ilf_type(C,set_type)
& ? [D] :
( ~ ilf_type(B,relation_type(C,D))
& ilf_type(D,set_type)
& subset(B,cross_product(C,D)) ) ) ),
inference(canonicalize,[],[negate_0_0]) ).
fof(normalize_0_20,plain,
? [B,C] :
( ilf_type(C,set_type)
& ? [D] :
( ~ ilf_type(B,relation_type(C,D))
& ilf_type(D,set_type)
& subset(B,cross_product(C,D)) ) ),
inference(simplify,[],[normalize_0_19,normalize_0_5]) ).
fof(normalize_0_21,plain,
( ilf_type(skolemFOFtoCNF_C_4,set_type)
& ? [D] :
( ~ ilf_type(skolemFOFtoCNF_B,relation_type(skolemFOFtoCNF_C_4,D))
& ilf_type(D,set_type)
& subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,D)) ) ),
inference(skolemize,[],[normalize_0_20]) ).
fof(normalize_0_22,plain,
? [D] :
( ~ ilf_type(skolemFOFtoCNF_B,relation_type(skolemFOFtoCNF_C_4,D))
& ilf_type(D,set_type)
& subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,D)) ),
inference(conjunct,[],[normalize_0_21]) ).
fof(normalize_0_23,plain,
( ~ ilf_type(skolemFOFtoCNF_B,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
& ilf_type(skolemFOFtoCNF_D_4,set_type)
& subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
inference(skolemize,[],[normalize_0_22]) ).
fof(normalize_0_24,plain,
subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),
inference(conjunct,[],[normalize_0_23]) ).
fof(normalize_0_25,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ! [C] :
( ~ ilf_type(C,set_type)
| ( ~ subset(B,C)
<=> ? [D] :
( ~ member(D,C)
& ilf_type(D,set_type)
& member(D,B) ) ) ) ),
inference(canonicalize,[],[p5]) ).
fof(normalize_0_26,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ! [C] :
( ~ ilf_type(C,set_type)
| ( ~ subset(B,C)
<=> ? [D] :
( ~ member(D,C)
& ilf_type(D,set_type)
& member(D,B) ) ) ) ),
inference(specialize,[],[normalize_0_25]) ).
fof(normalize_0_27,plain,
! [B,C,D] :
( ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ member(skolemFOFtoCNF_D_1(B,C),C)
| subset(B,C) )
& ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ilf_type(skolemFOFtoCNF_D_1(B,C),set_type)
| subset(B,C) )
& ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| member(skolemFOFtoCNF_D_1(B,C),B)
| subset(B,C) )
& ( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ ilf_type(D,set_type)
| ~ member(D,B)
| ~ subset(B,C)
| member(D,C) ) ),
inference(clausify,[],[normalize_0_26]) ).
fof(normalize_0_28,plain,
! [B,C,D] :
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ ilf_type(D,set_type)
| ~ member(D,B)
| ~ subset(B,C)
| member(D,C) ),
inference(conjunct,[],[normalize_0_27]) ).
fof(normalize_0_29,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ( ~ empty(power_set(B))
& ilf_type(power_set(B),set_type) ) ),
inference(canonicalize,[],[p11]) ).
fof(normalize_0_30,plain,
! [B] :
( ~ ilf_type(B,set_type)
| ( ~ empty(power_set(B))
& ilf_type(power_set(B),set_type) ) ),
inference(specialize,[],[normalize_0_29]) ).
fof(normalize_0_31,plain,
! [B] :
( ( ~ empty(power_set(B))
| ~ ilf_type(B,set_type) )
& ( ~ ilf_type(B,set_type)
| ilf_type(power_set(B),set_type) ) ),
inference(clausify,[],[normalize_0_30]) ).
fof(normalize_0_32,plain,
! [B] :
( ~ empty(power_set(B))
| ~ ilf_type(B,set_type) ),
inference(conjunct,[],[normalize_0_31]) ).
fof(normalize_0_33,plain,
~ ilf_type(skolemFOFtoCNF_B,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),
inference(conjunct,[],[normalize_0_23]) ).
cnf(refute_0_0,plain,
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ ilf_type(D,subset_type(cross_product(B,C)))
| ilf_type(D,relation_type(B,C)) ),
inference(canonicalize,[],[normalize_0_3]) ).
cnf(refute_0_1,plain,
ilf_type(B,set_type),
inference(canonicalize,[],[normalize_0_5]) ).
cnf(refute_0_2,plain,
( ~ ilf_type(C,set_type)
| ~ ilf_type(D,subset_type(cross_product(B,C)))
| ilf_type(D,relation_type(B,C)) ),
inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_0]) ).
cnf(refute_0_3,plain,
ilf_type(C,set_type),
inference(subst,[],[refute_0_1:[bind(B,$fot(C))]]) ).
cnf(refute_0_4,plain,
( ~ ilf_type(D,subset_type(cross_product(B,C)))
| ilf_type(D,relation_type(B,C)) ),
inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_2]) ).
cnf(refute_0_5,plain,
( ~ ilf_type(skolemFOFtoCNF_B,subset_type(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))
| ilf_type(skolemFOFtoCNF_B,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
inference(subst,[],[refute_0_4:[bind(B,$fot(skolemFOFtoCNF_C_4)),bind(C,$fot(skolemFOFtoCNF_D_4)),bind(D,$fot(skolemFOFtoCNF_B))]]) ).
cnf(refute_0_6,plain,
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,member_type(power_set(B)))
| ~ ilf_type(C,set_type)
| ilf_type(C,subset_type(B)) ),
inference(canonicalize,[],[normalize_0_9]) ).
cnf(refute_0_7,plain,
( ~ ilf_type(C,member_type(power_set(B)))
| ~ ilf_type(C,set_type)
| ilf_type(C,subset_type(B)) ),
inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_6]) ).
cnf(refute_0_8,plain,
( ~ ilf_type(C,member_type(power_set(B)))
| ilf_type(C,subset_type(B)) ),
inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_7]) ).
cnf(refute_0_9,plain,
( ~ ilf_type(skolemFOFtoCNF_B,member_type(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))))
| ilf_type(skolemFOFtoCNF_B,subset_type(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))) ),
inference(subst,[],[refute_0_8:[bind(B,$fot(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))),bind(C,$fot(skolemFOFtoCNF_B))]]) ).
cnf(refute_0_10,plain,
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ member(B,C)
| empty(C)
| ilf_type(B,member_type(C)) ),
inference(canonicalize,[],[normalize_0_13]) ).
cnf(refute_0_11,plain,
( ~ ilf_type(C,set_type)
| ~ member(B,C)
| empty(C)
| ilf_type(B,member_type(C)) ),
inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_10]) ).
cnf(refute_0_12,plain,
( ~ member(B,C)
| empty(C)
| ilf_type(B,member_type(C)) ),
inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_11]) ).
cnf(refute_0_13,plain,
( ~ member(skolemFOFtoCNF_B,power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))
| empty(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))
| ilf_type(skolemFOFtoCNF_B,member_type(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))) ),
inference(subst,[],[refute_0_12:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))))]]) ).
cnf(refute_0_14,plain,
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ member(skolemFOFtoCNF_D_2(B,C),C)
| member(B,power_set(C)) ),
inference(canonicalize,[],[normalize_0_17]) ).
cnf(refute_0_15,plain,
( ~ ilf_type(C,set_type)
| ~ member(skolemFOFtoCNF_D_2(B,C),C)
| member(B,power_set(C)) ),
inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_14]) ).
cnf(refute_0_16,plain,
( ~ member(skolemFOFtoCNF_D_2(B,C),C)
| member(B,power_set(C)) ),
inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_15]) ).
cnf(refute_0_17,plain,
( ~ member(skolemFOFtoCNF_D_2(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
| member(skolemFOFtoCNF_B,power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))) ),
inference(subst,[],[refute_0_16:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))]]) ).
cnf(refute_0_18,plain,
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| member(B,power_set(C))
| member(skolemFOFtoCNF_D_2(B,C),B) ),
inference(canonicalize,[],[normalize_0_18]) ).
cnf(refute_0_19,plain,
( ~ ilf_type(C,set_type)
| member(B,power_set(C))
| member(skolemFOFtoCNF_D_2(B,C),B) ),
inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_18]) ).
cnf(refute_0_20,plain,
( member(B,power_set(C))
| member(skolemFOFtoCNF_D_2(B,C),B) ),
inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_19]) ).
cnf(refute_0_21,plain,
( member(skolemFOFtoCNF_B,power_set(C))
| member(skolemFOFtoCNF_D_2(skolemFOFtoCNF_B,C),skolemFOFtoCNF_B) ),
inference(subst,[],[refute_0_20:[bind(B,$fot(skolemFOFtoCNF_B))]]) ).
cnf(refute_0_22,plain,
subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),
inference(canonicalize,[],[normalize_0_24]) ).
cnf(refute_0_23,plain,
( ~ ilf_type(B,set_type)
| ~ ilf_type(C,set_type)
| ~ ilf_type(D,set_type)
| ~ member(D,B)
| ~ subset(B,C)
| member(D,C) ),
inference(canonicalize,[],[normalize_0_28]) ).
cnf(refute_0_24,plain,
( ~ ilf_type(C,set_type)
| ~ ilf_type(D,set_type)
| ~ member(D,B)
| ~ subset(B,C)
| member(D,C) ),
inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_23]) ).
cnf(refute_0_25,plain,
( ~ ilf_type(D,set_type)
| ~ member(D,B)
| ~ subset(B,C)
| member(D,C) ),
inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_24]) ).
cnf(refute_0_26,plain,
ilf_type(D,set_type),
inference(subst,[],[refute_0_1:[bind(B,$fot(D))]]) ).
cnf(refute_0_27,plain,
( ~ member(D,B)
| ~ subset(B,C)
| member(D,C) ),
inference(resolve,[$cnf( ilf_type(D,set_type) )],[refute_0_26,refute_0_25]) ).
cnf(refute_0_28,plain,
( ~ member(X_247,skolemFOFtoCNF_B)
| ~ subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
| member(X_247,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
inference(subst,[],[refute_0_27:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))),bind(D,$fot(X_247))]]) ).
cnf(refute_0_29,plain,
( ~ member(X_247,skolemFOFtoCNF_B)
| member(X_247,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
inference(resolve,[$cnf( subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) )],[refute_0_22,refute_0_28]) ).
cnf(refute_0_30,plain,
( ~ member(skolemFOFtoCNF_D_2(skolemFOFtoCNF_B,C),skolemFOFtoCNF_B)
| member(skolemFOFtoCNF_D_2(skolemFOFtoCNF_B,C),cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
inference(subst,[],[refute_0_29:[bind(X_247,$fot(skolemFOFtoCNF_D_2(skolemFOFtoCNF_B,C)))]]) ).
cnf(refute_0_31,plain,
( member(skolemFOFtoCNF_B,power_set(C))
| member(skolemFOFtoCNF_D_2(skolemFOFtoCNF_B,C),cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
inference(resolve,[$cnf( member(skolemFOFtoCNF_D_2(skolemFOFtoCNF_B,C),skolemFOFtoCNF_B) )],[refute_0_21,refute_0_30]) ).
cnf(refute_0_32,plain,
( member(skolemFOFtoCNF_B,power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))
| member(skolemFOFtoCNF_D_2(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
inference(subst,[],[refute_0_31:[bind(C,$fot(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))]]) ).
cnf(refute_0_33,plain,
member(skolemFOFtoCNF_B,power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))),
inference(resolve,[$cnf( member(skolemFOFtoCNF_D_2(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) )],[refute_0_32,refute_0_17]) ).
cnf(refute_0_34,plain,
( empty(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))
| ilf_type(skolemFOFtoCNF_B,member_type(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))) ),
inference(resolve,[$cnf( member(skolemFOFtoCNF_B,power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))) )],[refute_0_33,refute_0_13]) ).
cnf(refute_0_35,plain,
( ~ empty(power_set(B))
| ~ ilf_type(B,set_type) ),
inference(canonicalize,[],[normalize_0_32]) ).
cnf(refute_0_36,plain,
~ empty(power_set(B)),
inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_35]) ).
cnf(refute_0_37,plain,
~ empty(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))),
inference(subst,[],[refute_0_36:[bind(B,$fot(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))]]) ).
cnf(refute_0_38,plain,
ilf_type(skolemFOFtoCNF_B,member_type(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))),
inference(resolve,[$cnf( empty(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))) )],[refute_0_34,refute_0_37]) ).
cnf(refute_0_39,plain,
ilf_type(skolemFOFtoCNF_B,subset_type(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))),
inference(resolve,[$cnf( ilf_type(skolemFOFtoCNF_B,member_type(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))) )],[refute_0_38,refute_0_9]) ).
cnf(refute_0_40,plain,
ilf_type(skolemFOFtoCNF_B,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),
inference(resolve,[$cnf( ilf_type(skolemFOFtoCNF_B,subset_type(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))) )],[refute_0_39,refute_0_5]) ).
cnf(refute_0_41,plain,
~ ilf_type(skolemFOFtoCNF_B,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),
inference(canonicalize,[],[normalize_0_33]) ).
cnf(refute_0_42,plain,
$false,
inference(resolve,[$cnf( ilf_type(skolemFOFtoCNF_B,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) )],[refute_0_40,refute_0_41]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11 % Problem : SET641+3 : TPTP v8.1.0. Released v2.2.0.
% 0.10/0.12 % Command : metis --show proof --show saturation %s
% 0.12/0.33 % Computer : n004.cluster.edu
% 0.12/0.33 % Model : x86_64 x86_64
% 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33 % Memory : 8042.1875MB
% 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33 % CPULimit : 300
% 0.12/0.33 % WCLimit : 600
% 0.12/0.33 % DateTime : Sun Jul 10 08:18:22 EDT 2022
% 0.12/0.33 % CPUTime :
% 0.12/0.33 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.48/0.71 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.48/0.71
% 0.48/0.71 % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.48/0.72
%------------------------------------------------------------------------------