%------------------------------------------------------------------------------
% File     : cvc5---1.0.5
% Problem  : SET615+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp
% Command  : do_cvc5 %s %d

% Computer : n007.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 14:39:29 EDT 2023

% Result   : Theorem 1.72s 1.91s
% Output   : Proof 1.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem    : SET615+3 : TPTP v8.1.2. Released v2.2.0.
% 0.12/0.14  % Command    : do_cvc5 %s %d
% 0.14/0.35  % Computer : n007.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit   : 300
% 0.14/0.35  % WCLimit    : 300
% 0.14/0.35  % DateTime   : Sat Aug 26 15:51:11 EDT 2023
% 0.14/0.35  % CPUTime    : 
% 0.22/0.49  %----Proving TF0_NAR, FOF, or CNF
% 1.72/1.91  ------- convert to smt2 : /export/starexec/sandbox/tmp/tmp.Gj2eDmX90P/cvc5---1.0.5_16627.p...
% 1.72/1.91  ------- get file name : TPTP file name is SET615+3
% 1.72/1.91  ------- cvc5-fof : /export/starexec/sandbox/solver/bin/cvc5---1.0.5_16627.smt2...
% 1.72/1.91  --- Run --decision=internal --simplification=none --no-inst-no-entail --no-cbqi --full-saturate-quant at 10...
% 1.72/1.91  % SZS status Theorem for SET615+3
% 1.72/1.91  % SZS output start Proof for SET615+3
% 1.72/1.91  (
% 1.72/1.91  (let ((_let_1 (forall ((B $$unsorted) (C $$unsorted) (D $$unsorted)) (= (tptp.difference (tptp.union B C) D) (tptp.union (tptp.difference B D) (tptp.difference C D)))))) (let ((_let_2 (not _let_1))) (let ((_let_3 (forall ((B $$unsorted) (C $$unsorted)) (= (= B C) (forall ((D $$unsorted)) (= (tptp.member D B) (tptp.member D C))))))) (let ((_let_4 (forall ((B $$unsorted) (C $$unsorted)) (= (tptp.union B C) (tptp.union C B))))) (let ((_let_5 (forall ((B $$unsorted) (C $$unsorted) (D $$unsorted)) (= (tptp.member D (tptp.difference B C)) (and (tptp.member D B) (not (tptp.member D C))))))) (let ((_let_6 (forall ((B $$unsorted) (C $$unsorted) (D $$unsorted)) (= (tptp.member D (tptp.union B C)) (or (tptp.member D B) (tptp.member D C)))))) (let ((_let_7 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3))) (let ((_let_8 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2))) (let ((_let_9 (or _let_8 _let_7))) (let ((_let_10 (tptp.union SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3))) (let ((_let_11 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 _let_10))) (let ((_let_12 (= _let_11 _let_9))) (let ((_let_13 (_let_6))) (let ((_let_14 (ASSUME :args _let_13))) (let ((_let_15 ((tptp.member D (tptp.union B C))))) (let ((_let_16 (MACRO_RESOLUTION_TRUST (IMPLIES_ELIM (SCOPE (INSTANTIATE _let_14 :args (SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 QUANTIFIERS_INST_E_MATCHING _let_15)) :args _let_13)) _let_14 :args (_let_12 false _let_6)))) (let ((_let_17 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4))) (let ((_let_18 (not _let_17))) (let ((_let_19 (and _let_8 _let_18))) (let ((_let_20 (tptp.difference SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4))) (let ((_let_21 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 _let_20))) (let ((_let_22 (= _let_21 _let_19))) (let ((_let_23 (_let_5))) (let ((_let_24 (ASSUME :args _let_23))) (let ((_let_25 ((tptp.member D (tptp.difference B C))))) (let ((_let_26 (MACRO_RESOLUTION_TRUST (IMPLIES_ELIM (SCOPE (INSTANTIATE _let_24 :args (SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 QUANTIFIERS_INST_E_MATCHING _let_25)) :args _let_23)) _let_24 :args (_let_22 false _let_5)))) (let ((_let_27 (tptp.difference SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4))) (let ((_let_28 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 _let_27))) (let ((_let_29 (or _let_21 _let_28))) (let ((_let_30 (tptp.union _let_20 _let_27))) (let ((_let_31 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 _let_30))) (let ((_let_32 (= _let_31 _let_29))) (let ((_let_33 (MACRO_RESOLUTION_TRUST (IMPLIES_ELIM (SCOPE (INSTANTIATE _let_14 :args (_let_20 _let_27 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 QUANTIFIERS_INST_E_MATCHING _let_15)) :args _let_13)) _let_14 :args (_let_32 false _let_6)))) (let ((_let_34 (tptp.difference _let_10 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4))) (let ((_let_35 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 _let_34))) (let ((_let_36 (= _let_31 _let_35))) (let ((_let_37 (and _let_11 _let_18))) (let ((_let_38 (= _let_35 _let_37))) (let ((_let_39 (and _let_7 _let_18))) (let ((_let_40 (= _let_28 _let_39))) (let ((_let_41 (forall ((D $$unsorted)) (= (tptp.member D (tptp.union (tptp.difference SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4) (tptp.difference SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4))) (tptp.member D (tptp.difference (tptp.union SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3) SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4)))))) (let ((_let_42 (not _let_36))) (let ((_let_43 (= _let_34 _let_30))) (let ((_let_44 (= _let_43 _let_41))) (let ((_let_45 (not _let_41))) (let ((_let_46 (_let_3))) (let ((_let_47 (ASSUME :args _let_46))) (let ((_let_48 (not _let_43))) (let ((_let_49 (_let_2))) (let ((_let_50 (ASSUME :args _let_49))) (let ((_let_51 (or))) (let ((_let_52 (_let_45))) (let ((_let_53 (MACRO_RESOLUTION_TRUST (EQ_RESOLVE (IMPLIES_ELIM (SCOPE (SKOLEMIZE (ASSUME :args _let_52)) :args _let_52)) (CONG (MACRO_SR_PRED_INTRO :args ((= (not _let_45) _let_41))) (REFL :args (_let_42)) :args _let_51)) (MACRO_RESOLUTION_TRUST (REORDERING (CNF_EQUIV_POS2 :args (_let_44)) :args ((or _let_43 _let_45 (not _let_44)))) (MACRO_RESOLUTION_TRUST (EQ_RESOLVE (IMPLIES_ELIM (SCOPE (SKOLEMIZE _let_50) :args _let_49)) (CONG (MACRO_SR_PRED_INTRO :args ((= (not _let_2) _let_1))) (REFL :args (_let_48)) :args _let_51)) _let_50 :args (_let_48 true _let_1)) (MACRO_RESOLUTION_TRUST (IMPLIES_ELIM (MACRO_SR_PRED_ELIM (SCOPE (INSTANTIATE _let_47 :args (_let_30 _let_34 QUANTIFIERS_INST_ENUM)) :args _let_46))) _let_47 :args (_let_44 false _let_3)) :args (_let_45 true _let_43 false _let_44)) :args (_let_42 true _let_41)))) (let ((_let_54 (_let_36))) (let ((_let_55 (not _let_32))) (let ((_let_56 (not _let_29))) (let ((_let_57 (_let_32))) (let ((_let_58 (MACRO_RESOLUTION_TRUST (IMPLIES_ELIM (SCOPE (INSTANTIATE _let_24 :args (_let_10 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 QUANTIFIERS_INST_E_MATCHING _let_25)) :args _let_23)) _let_24 :args (_let_38 false _let_5)))) (let ((_let_59 (not _let_38))) (let ((_let_60 (not _let_35))) (let ((_let_61 (_let_38))) (let ((_let_62 (not _let_37))) (let ((_let_63 (not _let_22))) (let ((_let_64 (not _let_19))) (let ((_let_65 (_let_22))) (let ((_let_66 (not _let_12))) (let ((_let_67 (not _let_11))) (let ((_let_68 (_let_12))) (let ((_let_69 (not _let_8))) (let ((_let_70 (MACRO_SR_PRED_INTRO :args ((= (not _let_18) _let_17))))) (let ((_let_71 (_let_19))) (let ((_let_72 (not _let_7))) (let ((_let_73 (_let_39))) (let ((_let_74 (not _let_9))) (let ((_let_75 (MACRO_RESOLUTION_TRUST (REORDERING (CNF_OR_POS :args (_let_9)) :args ((or _let_8 _let_7 _let_74))) (REORDERING (EQ_RESOLVE (CNF_AND_NEG :args _let_73) (CONG (REFL :args _let_73) (REFL :args (_let_72)) _let_70 :args _let_51)) :args ((or _let_17 _let_39 _let_72))) (REORDERING (EQ_RESOLVE (CNF_AND_NEG :args _let_71) (CONG (REFL :args _let_71) (REFL :args (_let_69)) _let_70 :args _let_51)) :args ((or _let_17 _let_19 _let_69))) (REORDERING (CNF_EQUIV_POS1 :args _let_68) :args ((or _let_67 _let_9 _let_66))) _let_16 (REORDERING (CNF_EQUIV_POS2 :args (_let_40)) :args ((or _let_28 (not _let_39) (not _let_40)))) (MACRO_RESOLUTION_TRUST (IMPLIES_ELIM (SCOPE (INSTANTIATE _let_24 :args (SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 QUANTIFIERS_INST_E_MATCHING _let_25)) :args _let_23)) _let_24 :args (_let_40 false _let_5)) (REORDERING (CNF_EQUIV_POS2 :args _let_65) :args ((or _let_21 _let_64 _let_63))) _let_26 (REORDERING (CNF_AND_POS :args (_let_37 1)) :args ((or _let_18 _let_62))) (REORDERING (CNF_AND_POS :args (_let_37 0)) :args ((or _let_11 _let_62))) (CNF_OR_NEG :args (_let_29 1)) (CNF_OR_NEG :args (_let_29 0)) (REORDERING (CNF_EQUIV_POS1 :args _let_61) :args ((or _let_60 _let_37 _let_59))) _let_58 (REORDERING (CNF_EQUIV_POS2 :args _let_57) :args ((or _let_31 _let_56 _let_55))) _let_33 (REORDERING (CNF_EQUIV_NEG1 :args _let_54) :args ((or _let_31 _let_35 _let_36))) _let_53 :args (_let_31 true _let_7 true _let_8 false _let_9 false _let_12 true _let_39 false _let_40 true _let_19 false _let_22 true _let_17 false _let_11 true _let_28 true _let_21 false _let_37 false _let_38 true _let_29 false _let_32 false _let_35 true _let_36)))) (let ((_let_76 (not _let_28))) (let ((_let_77 (or _let_76 _let_35))) (let ((_let_78 (forall ((D $$unsorted)) (or (not (tptp.member D (tptp.difference SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4))) (tptp.member D (tptp.difference (tptp.union SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3) SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4)))))) (let ((_let_79 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_54 _let_34))) (let ((_let_80 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_54 _let_27))) (let ((_let_81 (not _let_80))) (let ((_let_82 (or _let_81 _let_79))) (let ((_let_83 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_54 _let_10))) (let ((_let_84 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_54 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4))) (let ((_let_85 (not _let_84))) (let ((_let_86 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_54 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3))) (let ((_let_87 (and _let_86 _let_85))) (let ((_let_88 (= _let_80 _let_87))) (let ((_let_89 (tptp.union SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2))) (let ((_let_90 (= _let_10 _let_89))) (let ((_let_91 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_54 _let_89))) (let ((_let_92 (or _let_86 (tptp.member SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_54 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2)))) (let ((_let_93 (= _let_91 _let_92))) (let ((_let_94 (REORDERING (EQ_RESOLVE (CNF_OR_NEG :args (_let_82 0)) (CONG (REFL :args (_let_82)) (MACRO_SR_PRED_INTRO :args ((= (not _let_81) _let_80))) :args _let_51)) :args ((or _let_80 _let_82))))) (let ((_let_95 (and _let_83 _let_85))) (let ((_let_96 (= _let_79 _let_95))) (let ((_let_97 (not _let_83))) (let ((_let_98 (MACRO_RESOLUTION_TRUST (IMPLIES_ELIM (SCOPE (INSTANTIATE _let_24 :args (SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_54 QUANTIFIERS_INST_E_MATCHING _let_25)) :args _let_23)) _let_24 :args (_let_88 false _let_5)))) (let ((_let_99 (REORDERING (CNF_EQUIV_POS1 :args (_let_88)) :args ((or _let_81 _let_87 (not _let_88)))))) (let ((_let_100 (not _let_87))) (let ((_let_101 (_let_95))) (let ((_let_102 (_let_4))) (let ((_let_103 (ASSUME :args _let_102))) (let ((_let_104 (and _let_90 _let_91))) (let ((_let_105 (ASSUME :args (_let_91)))) (let ((_let_106 (ASSUME :args (_let_90)))) (let ((_let_107 (not _let_78))) (let ((_let_108 (_let_107))) (let ((_let_109 (_let_78))) (let ((_let_110 (MACRO_RESOLUTION_TRUST (CNF_EQUIV_NEG2 :args _let_54) _let_53 _let_75 :args (_let_60 true _let_36 false _let_31)))) (let ((_let_111 (MACRO_RESOLUTION_TRUST (REORDERING (CNF_EQUIV_POS1 :args _let_65) :args ((or (not _let_21) _let_19 _let_63))) (MACRO_RESOLUTION_TRUST (REORDERING (CNF_OR_POS :args (_let_29)) :args ((or _let_21 _let_28 _let_56))) (MACRO_RESOLUTION_TRUST (REORDERING (CNF_OR_POS :args (_let_77)) :args ((or _let_35 _let_76 (not _let_77)))) _let_110 (MACRO_RESOLUTION_TRUST (IMPLIES_ELIM (SCOPE (INSTANTIATE (ASSUME :args _let_109) :args (SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_100 QUANTIFIERS_INST_E_MATCHING_SIMPLE ((not (= (tptp.member D _let_34) true))))) :args _let_109)) (MACRO_RESOLUTION_TRUST (EQ_RESOLVE (IMPLIES_ELIM (SCOPE (SKOLEMIZE (ASSUME :args _let_108)) :args _let_108)) (CONG (MACRO_SR_PRED_INTRO :args ((= (not _let_107) _let_78))) (REFL :args ((not _let_82))) :args _let_51)) (MACRO_RESOLUTION_TRUST (REORDERING (CNF_OR_NEG :args (_let_92 0)) :args ((or (not _let_86) _let_92))) (REORDERING (CNF_EQUIV_POS2 :args (_let_93)) :args ((or _let_91 (not _let_92) (not _let_93)))) (MACRO_RESOLUTION_TRUST (IMPLIES_ELIM (SCOPE (INSTANTIATE _let_14 :args (SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_54 QUANTIFIERS_INST_E_MATCHING _let_15)) :args _let_13)) _let_14 :args (_let_93 false _let_6)) (REORDERING (CNF_AND_POS :args (_let_87 0)) :args ((or _let_86 _let_100))) (REORDERING (RESOLUTION (CNF_AND_NEG :args (_let_104)) (IMPLIES_ELIM (SCOPE (MODUS_PONENS (AND_INTRO _let_105 _let_106) (SCOPE (TRUE_ELIM (TRANS (CONG (REFL :args (SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_54)) (SYMM (SYMM _let_106)) :args (APPLY_UF tptp.member)) (TRUE_INTRO _let_105))) :args (_let_91 _let_90))) :args (_let_90 _let_91))) :args (true _let_104)) :args ((or (not _let_90) _let_83 (not _let_91)))) (MACRO_RESOLUTION_TRUST (IMPLIES_ELIM (SCOPE (INSTANTIATE _let_103 :args (SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_2 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_3 QUANTIFIERS_INST_E_MATCHING_SIMPLE ((tptp.union B C)))) :args _let_102)) _let_103 :args (_let_90 false _let_4)) _let_99 _let_98 (MACRO_RESOLUTION_TRUST (REORDERING (EQ_RESOLVE (CNF_AND_NEG :args _let_101) (CONG (REFL :args _let_101) (REFL :args (_let_97)) (MACRO_SR_PRED_INTRO :args ((= (not _let_85) _let_84))) :args _let_51)) :args ((or _let_84 _let_95 _let_97))) (REORDERING (CNF_AND_POS :args (_let_87 1)) :args ((or _let_85 _let_100))) (REORDERING (CNF_EQUIV_POS2 :args (_let_96)) :args ((or _let_79 (not _let_95) (not _let_96)))) (MACRO_RESOLUTION_TRUST (IMPLIES_ELIM (SCOPE (INSTANTIATE _let_24 :args (_let_10 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_4 SKOLEM_FUN_QUANTIFIERS_SKOLEMIZE_54 QUANTIFIERS_INST_E_MATCHING _let_25)) :args _let_23)) _let_24 :args (_let_96 false _let_5)) _let_99 _let_98 (CNF_OR_NEG :args (_let_82 1)) _let_94 :args ((or _let_82 _let_97) true _let_84 true _let_95 false _let_96 false _let_87 false _let_88 true _let_79 false _let_80)) _let_94 :args (_let_82 true _let_92 false _let_93 false _let_86 true _let_91 false _let_90 false _let_87 false _let_88 true _let_83 false _let_80)) :args (_let_78 false _let_82)) :args (_let_77 false _let_78)) :args (_let_76 true _let_35 false _let_77)) (MACRO_RESOLUTION_TRUST (REORDERING (CNF_EQUIV_POS1 :args _let_57) :args ((or (not _let_31) _let_29 _let_55))) _let_75 _let_33 :args (_let_29 false _let_31 false _let_32)) :args (_let_21 true _let_28 false _let_29)) _let_26 :args (_let_19 false _let_21 false _let_22)))) (let ((_let_112 (_let_37))) (SCOPE (SCOPE (MACRO_RESOLUTION_TRUST (REORDERING (CNF_EQUIV_POS2 :args _let_68) :args ((or _let_11 _let_74 _let_66))) (MACRO_RESOLUTION_TRUST (REORDERING (EQ_RESOLVE (CNF_AND_NEG :args _let_112) (CONG (REFL :args _let_112) (REFL :args (_let_67)) _let_70 :args _let_51)) :args ((or _let_17 _let_37 _let_67))) (MACRO_RESOLUTION_TRUST (REORDERING (CNF_AND_POS :args (_let_19 1)) :args ((or _let_18 _let_64))) _let_111 :args (_let_18 false _let_19)) (MACRO_RESOLUTION_TRUST (REORDERING (CNF_EQUIV_POS2 :args _let_61) :args ((or _let_35 _let_62 _let_59))) _let_110 _let_58 :args (_let_62 true _let_35 false _let_38)) :args (_let_67 true _let_17 true _let_37)) (MACRO_RESOLUTION_TRUST (CNF_OR_NEG :args (_let_9 0)) (MACRO_RESOLUTION_TRUST (REORDERING (CNF_AND_POS :args (_let_19 0)) :args ((or _let_8 _let_64))) _let_111 :args (_let_8 false _let_19)) :args (_let_9 false _let_8)) _let_16 :args (false true _let_11 false _let_9 false _let_12)) :args (_let_6 _let_5 (forall ((B $$unsorted) (C $$unsorted)) (= (= B C) (and (tptp.subset B C) (tptp.subset C B)))) _let_4 (forall ((B $$unsorted) (C $$unsorted)) (= (tptp.subset B C) (forall ((D $$unsorted)) (=> (tptp.member D B) (tptp.member D C))))) (forall ((B $$unsorted)) (tptp.subset B B)) _let_3 _let_2 true)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
% 1.72/1.92  )
% 1.72/1.92  % SZS output end Proof for SET615+3
% 1.72/1.92  % cvc5---1.0.5 exiting
% 1.72/1.92  % cvc5---1.0.5 exiting
%------------------------------------------------------------------------------