TSTP Solution File: SWV426^4 by Satallax---3.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Satallax---3.5
% Problem  : SWV426^4 : TPTP v8.1.0. Released v3.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s

% Computer : n016.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 : Wed Jul 20 21:25:04 EDT 2022

% Result   : Theorem 0.12s 0.39s
% Output   : Proof 0.12s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SWV426^4 : TPTP v8.1.0. Released v3.6.0.
% 0.11/0.12  % Command  : satallax -E eprover-ho -P picomus -M modes -p tstp -t %d %s
% 0.12/0.33  % Computer : n016.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 : Wed Jun 15 21:20:03 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.39  % SZS status Theorem
% 0.12/0.39  % Mode: mode213
% 0.12/0.39  % Inferences: 605
% 0.12/0.39  % SZS output start Proof
% 0.12/0.39  thf(ty_a, type, a : ($i>$o)).
% 0.12/0.39  thf(ty_eigen__2, type, eigen__2 : $i).
% 0.12/0.39  thf(ty_s, type, s : ($i>$o)).
% 0.12/0.39  thf(ty_eigen__1, type, eigen__1 : $i).
% 0.12/0.39  thf(ty_b, type, b : ($i>$o)).
% 0.12/0.39  thf(ty_eigen__0, type, eigen__0 : $i).
% 0.12/0.39  thf(ty_eigen__4, type, eigen__4 : $i).
% 0.12/0.39  thf(ty_eigen__3, type, eigen__3 : $i).
% 0.12/0.39  thf(ty_rel, type, rel : ($i>$i>$o)).
% 0.12/0.39  thf(sP1,plain,sP1 <=> ((rel @ eigen__3) @ eigen__4),introduced(definition,[new_symbols(definition,[sP1])])).
% 0.12/0.39  thf(sP2,plain,sP2 <=> (![X1:$i]:(((rel @ eigen__1) @ X1) => ((~((![X2:$i]:(((rel @ X1) @ X2) => ((a @ X2) => (b @ X2)))))) => (![X2:$i]:(((rel @ X1) @ X2) => (s @ X2)))))),introduced(definition,[new_symbols(definition,[sP2])])).
% 0.12/0.39  thf(sP3,plain,sP3 <=> ((a @ eigen__3) => (b @ eigen__3)),introduced(definition,[new_symbols(definition,[sP3])])).
% 0.12/0.39  thf(sP4,plain,sP4 <=> (![X1:$i]:(((rel @ eigen__2) @ X1) => ((~((a @ X1))) => (![X2:$i]:(((rel @ X1) @ X2) => (s @ X2)))))),introduced(definition,[new_symbols(definition,[sP4])])).
% 0.12/0.39  thf(sP5,plain,sP5 <=> (((rel @ eigen__2) @ eigen__3) => sP3),introduced(definition,[new_symbols(definition,[sP5])])).
% 0.12/0.39  thf(sP6,plain,sP6 <=> (sP1 => (s @ eigen__4)),introduced(definition,[new_symbols(definition,[sP6])])).
% 0.12/0.39  thf(sP7,plain,sP7 <=> ((![X1:$i]:(((rel @ eigen__2) @ X1) => (s @ X1))) => (![X1:$i]:(((rel @ eigen__2) @ X1) => (![X2:$i]:(((rel @ X1) @ X2) => (s @ X2)))))),introduced(definition,[new_symbols(definition,[sP7])])).
% 0.12/0.39  thf(sP8,plain,sP8 <=> (![X1:$i]:(((rel @ eigen__2) @ X1) => (![X2:$i]:(((rel @ X1) @ X2) => (s @ X2))))),introduced(definition,[new_symbols(definition,[sP8])])).
% 0.12/0.39  thf(sP9,plain,sP9 <=> ((rel @ eigen__1) @ eigen__2),introduced(definition,[new_symbols(definition,[sP9])])).
% 0.12/0.39  thf(sP10,plain,sP10 <=> (((rel @ eigen__2) @ eigen__3) => (![X1:$i]:(((rel @ eigen__3) @ X1) => (s @ X1)))),introduced(definition,[new_symbols(definition,[sP10])])).
% 0.12/0.39  thf(sP11,plain,sP11 <=> (sP9 => ((~((![X1:$i]:(((rel @ eigen__2) @ X1) => ((a @ X1) => (b @ X1)))))) => (![X1:$i]:(((rel @ eigen__2) @ X1) => (s @ X1))))),introduced(definition,[new_symbols(definition,[sP11])])).
% 0.12/0.39  thf(sP12,plain,sP12 <=> (![X1:$i]:(((rel @ eigen__2) @ X1) => (s @ X1))),introduced(definition,[new_symbols(definition,[sP12])])).
% 0.12/0.39  thf(sP13,plain,sP13 <=> ((~((a @ eigen__3))) => (![X1:$i]:(((rel @ eigen__3) @ X1) => (s @ X1)))),introduced(definition,[new_symbols(definition,[sP13])])).
% 0.12/0.39  thf(sP14,plain,sP14 <=> (![X1:$i>$o]:(![X2:$i]:((![X3:$i]:(((rel @ X2) @ X3) => (X1 @ X3))) => (![X3:$i]:(((rel @ X2) @ X3) => (![X4:$i]:(((rel @ X3) @ X4) => (X1 @ X4)))))))),introduced(definition,[new_symbols(definition,[sP14])])).
% 0.12/0.39  thf(sP15,plain,sP15 <=> (![X1:$i]:(((rel @ eigen__3) @ X1) => (s @ X1))),introduced(definition,[new_symbols(definition,[sP15])])).
% 0.12/0.39  thf(sP16,plain,sP16 <=> (b @ eigen__3),introduced(definition,[new_symbols(definition,[sP16])])).
% 0.12/0.39  thf(sP17,plain,sP17 <=> (s @ eigen__4),introduced(definition,[new_symbols(definition,[sP17])])).
% 0.12/0.39  thf(sP18,plain,sP18 <=> (![X1:$i]:((![X2:$i]:(((rel @ X1) @ X2) => (s @ X2))) => (![X2:$i]:(((rel @ X1) @ X2) => (![X3:$i]:(((rel @ X2) @ X3) => (s @ X3))))))),introduced(definition,[new_symbols(definition,[sP18])])).
% 0.12/0.39  thf(sP19,plain,sP19 <=> (a @ eigen__3),introduced(definition,[new_symbols(definition,[sP19])])).
% 0.12/0.39  thf(sP20,plain,sP20 <=> ((~((![X1:$i]:(((rel @ eigen__2) @ X1) => ((a @ X1) => (b @ X1)))))) => sP12),introduced(definition,[new_symbols(definition,[sP20])])).
% 0.12/0.39  thf(sP21,plain,sP21 <=> (((rel @ eigen__2) @ eigen__3) => sP13),introduced(definition,[new_symbols(definition,[sP21])])).
% 0.12/0.39  thf(sP22,plain,sP22 <=> (![X1:$i]:(((rel @ eigen__2) @ X1) => ((a @ X1) => (b @ X1)))),introduced(definition,[new_symbols(definition,[sP22])])).
% 0.12/0.39  thf(sP23,plain,sP23 <=> ((rel @ eigen__2) @ eigen__3),introduced(definition,[new_symbols(definition,[sP23])])).
% 0.12/0.39  thf(def_mfalse,definition,(mfalse = (^[X1:$i]:$false))).
% 0.12/0.39  thf(def_mtrue,definition,(mtrue = (^[X1:$i]:(~($false))))).
% 0.12/0.39  thf(def_mnot,definition,(mnot = (^[X1:$i>$o]:(^[X2:$i]:(~((X1 @ X2))))))).
% 0.12/0.39  thf(def_mor,definition,(mor = (^[X1:$i>$o]:(^[X2:$i>$o]:(^[X3:$i]:((~((X1 @ X3))) => (X2 @ X3))))))).
% 0.12/0.39  thf(def_mand,definition,(mand = (^[X1:$i>$o]:(^[X2:$i>$o]:(^[X3:$i]:(~(((X1 @ X3) => (~((X2 @ X3))))))))))).
% 0.12/0.39  thf(def_mimpl,definition,(mimpl = (^[X1:$i>$o]:(mor @ (mnot @ X1))))).
% 0.12/0.39  thf(def_miff,definition,(miff = (^[X1:$i>$o]:(^[X2:$i>$o]:((mand @ ((mimpl @ X1) @ X2)) @ ((mimpl @ X2) @ X1)))))).
% 0.12/0.39  thf(def_mbox,definition,(mbox = (^[X1:$i>$i>$o]:(^[X2:$i>$o]:(^[X3:$i]:(![X4:$i]:(((X1 @ X3) @ X4) => (X2 @ X4)))))))).
% 0.12/0.39  thf(def_mdia,definition,(mdia = (^[X1:$i>$i>$o]:(^[X2:$i>$o]:(^[X3:$i]:(~((![X4:$i]:(((X1 @ X3) @ X4) => (~((X2 @ X4)))))))))))).
% 0.12/0.39  thf(def_mall,definition,(mall = (^[X1:individuals>$i>$o]:(^[X2:$i]:(![X3:individuals]:((X1 @ X3) @ X2)))))).
% 0.12/0.39  thf(def_mexists,definition,(mexists = (^[X1:individuals>$i>$o]:(^[X2:$i]:(~((![X3:individuals]:(~(((X1 @ X3) @ X2)))))))))).
% 0.12/0.39  thf(def_mvalid,definition,(mvalid = (!!))).
% 0.12/0.39  thf(def_msatisfiable,definition,(msatisfiable = (^[X1:$i>$o]:(~((![X2:$i]:(~((X1 @ X2))))))))).
% 0.12/0.39  thf(def_mcountersatisfiable,definition,(mcountersatisfiable = (^[X1:$i>$o]:(~(((!!) @ X1)))))).
% 0.12/0.39  thf(def_minvalid,definition,(minvalid = (^[X1:$i>$o]:(![X2:$i]:(~((X1 @ X2))))))).
% 0.12/0.39  thf(def_icl_atom,definition,(icl_atom = (mbox @ rel))).
% 0.12/0.39  thf(def_icl_princ,definition,(icl_princ = (^[X1:$i>$o]:X1))).
% 0.12/0.39  thf(def_icl_and,definition,(icl_and = mand)).
% 0.12/0.39  thf(def_icl_or,definition,(icl_or = mor)).
% 0.12/0.39  thf(def_icl_impl,definition,(icl_impl = (^[X1:$i>$o]:(^[X2:$i>$o]:((mbox @ rel) @ ((mimpl @ X1) @ X2)))))).
% 0.12/0.39  thf(def_icl_true,definition,(icl_true = mtrue)).
% 0.12/0.39  thf(def_icl_false,definition,(icl_false = mfalse)).
% 0.12/0.39  thf(def_icl_says,definition,(icl_says = (^[X1:$i>$o]:(^[X2:$i>$o]:((mbox @ rel) @ ((mor @ X1) @ X2)))))).
% 0.12/0.39  thf(def_iclval,definition,(iclval = mvalid)).
% 0.12/0.39  thf(cuc,conjecture,(![X1:$i]:(![X2:$i]:(((rel @ X1) @ X2) => ((~((~((![X3:$i]:(((rel @ X2) @ X3) => ((~((![X4:$i]:(((rel @ X3) @ X4) => ((~((~((a @ X4))))) => (b @ X4)))))) => (![X4:$i]:(((rel @ X3) @ X4) => (s @ X4)))))))))) => (![X3:$i]:(((rel @ X2) @ X3) => ((~((~((![X4:$i]:(((rel @ X3) @ X4) => ((~((a @ X4))) => (![X5:$i]:(((rel @ X4) @ X5) => (s @ X5)))))))))) => (![X4:$i]:(((rel @ X3) @ X4) => ((~((b @ X4))) => (![X5:$i]:(((rel @ X4) @ X5) => (s @ X5)))))))))))))).
% 0.12/0.39  thf(h0,negated_conjecture,(~((![X1:$i]:(![X2:$i]:(((rel @ X1) @ X2) => ((![X3:$i]:(((rel @ X2) @ X3) => ((~((![X4:$i]:(((rel @ X3) @ X4) => ((a @ X4) => (b @ X4)))))) => (![X4:$i]:(((rel @ X3) @ X4) => (s @ X4)))))) => (![X3:$i]:(((rel @ X2) @ X3) => ((![X4:$i]:(((rel @ X3) @ X4) => ((~((a @ X4))) => (![X5:$i]:(((rel @ X4) @ X5) => (s @ X5)))))) => (![X4:$i]:(((rel @ X3) @ X4) => ((~((b @ X4))) => (![X5:$i]:(((rel @ X4) @ X5) => (s @ X5))))))))))))))),inference(assume_negation,[status(cth)],[cuc])).
% 0.12/0.39  thf(h1,assumption,(~((![X1:$i]:(((rel @ eigen__0) @ X1) => ((![X2:$i]:(((rel @ X1) @ X2) => ((~((![X3:$i]:(((rel @ X2) @ X3) => ((a @ X3) => (b @ X3)))))) => (![X3:$i]:(((rel @ X2) @ X3) => (s @ X3)))))) => (![X2:$i]:(((rel @ X1) @ X2) => ((![X3:$i]:(((rel @ X2) @ X3) => ((~((a @ X3))) => (![X4:$i]:(((rel @ X3) @ X4) => (s @ X4)))))) => (![X3:$i]:(((rel @ X2) @ X3) => ((~((b @ X3))) => (![X4:$i]:(((rel @ X3) @ X4) => (s @ X4)))))))))))))),introduced(assumption,[])).
% 0.12/0.39  thf(h2,assumption,(~((((rel @ eigen__0) @ eigen__1) => (sP2 => (![X1:$i]:(((rel @ eigen__1) @ X1) => ((![X2:$i]:(((rel @ X1) @ X2) => ((~((a @ X2))) => (![X3:$i]:(((rel @ X2) @ X3) => (s @ X3)))))) => (![X2:$i]:(((rel @ X1) @ X2) => ((~((b @ X2))) => (![X3:$i]:(((rel @ X2) @ X3) => (s @ X3))))))))))))),introduced(assumption,[])).
% 0.12/0.39  thf(h3,assumption,((rel @ eigen__0) @ eigen__1),introduced(assumption,[])).
% 0.12/0.39  thf(h4,assumption,(~((sP2 => (![X1:$i]:(((rel @ eigen__1) @ X1) => ((![X2:$i]:(((rel @ X1) @ X2) => ((~((a @ X2))) => (![X3:$i]:(((rel @ X2) @ X3) => (s @ X3)))))) => (![X2:$i]:(((rel @ X1) @ X2) => ((~((b @ X2))) => (![X3:$i]:(((rel @ X2) @ X3) => (s @ X3)))))))))))),introduced(assumption,[])).
% 0.12/0.39  thf(h5,assumption,sP2,introduced(assumption,[])).
% 0.12/0.39  thf(h6,assumption,(~((![X1:$i]:(((rel @ eigen__1) @ X1) => ((![X2:$i]:(((rel @ X1) @ X2) => ((~((a @ X2))) => (![X3:$i]:(((rel @ X2) @ X3) => (s @ X3)))))) => (![X2:$i]:(((rel @ X1) @ X2) => ((~((b @ X2))) => (![X3:$i]:(((rel @ X2) @ X3) => (s @ X3))))))))))),introduced(assumption,[])).
% 0.12/0.39  thf(h7,assumption,(~((sP9 => (sP4 => (![X1:$i]:(((rel @ eigen__2) @ X1) => ((~((b @ X1))) => (![X2:$i]:(((rel @ X1) @ X2) => (s @ X2)))))))))),introduced(assumption,[])).
% 0.12/0.39  thf(h8,assumption,sP9,introduced(assumption,[])).
% 0.12/0.39  thf(h9,assumption,(~((sP4 => (![X1:$i]:(((rel @ eigen__2) @ X1) => ((~((b @ X1))) => (![X2:$i]:(((rel @ X1) @ X2) => (s @ X2))))))))),introduced(assumption,[])).
% 0.12/0.39  thf(h10,assumption,sP4,introduced(assumption,[])).
% 0.12/0.39  thf(h11,assumption,(~((![X1:$i]:(((rel @ eigen__2) @ X1) => ((~((b @ X1))) => (![X2:$i]:(((rel @ X1) @ X2) => (s @ X2)))))))),introduced(assumption,[])).
% 0.12/0.39  thf(h12,assumption,(~((sP23 => ((~(sP16)) => sP15)))),introduced(assumption,[])).
% 0.12/0.39  thf(h13,assumption,sP23,introduced(assumption,[])).
% 0.12/0.39  thf(h14,assumption,(~(((~(sP16)) => sP15))),introduced(assumption,[])).
% 0.12/0.39  thf(h15,assumption,(~(sP16)),introduced(assumption,[])).
% 0.12/0.39  thf(h16,assumption,(~(sP15)),introduced(assumption,[])).
% 0.12/0.39  thf(h17,assumption,(~(sP6)),introduced(assumption,[])).
% 0.12/0.39  thf(h18,assumption,sP1,introduced(assumption,[])).
% 0.12/0.39  thf(h19,assumption,(~(sP17)),introduced(assumption,[])).
% 0.12/0.39  thf(1,plain,(~(sP8) | sP10),inference(all_rule,[status(thm)],[])).
% 0.12/0.39  thf(2,plain,((~(sP10) | ~(sP23)) | sP15),inference(prop_rule,[status(thm)],[])).
% 0.12/0.39  thf(3,plain,(~(sP18) | sP7),inference(all_rule,[status(thm)],[])).
% 0.12/0.39  thf(4,plain,((~(sP7) | ~(sP12)) | sP8),inference(prop_rule,[status(thm)],[])).
% 0.12/0.39  thf(5,plain,(~(sP14) | sP18),inference(all_rule,[status(thm)],[])).
% 0.12/0.39  thf(6,plain,(~(sP22) | sP5),inference(all_rule,[status(thm)],[])).
% 0.12/0.39  thf(7,plain,((~(sP5) | ~(sP23)) | sP3),inference(prop_rule,[status(thm)],[])).
% 0.12/0.39  thf(8,plain,((~(sP3) | ~(sP19)) | sP16),inference(prop_rule,[status(thm)],[])).
% 0.12/0.39  thf(9,plain,(~(sP2) | sP11),inference(all_rule,[status(thm)],[])).
% 0.12/0.39  thf(10,plain,((~(sP11) | ~(sP9)) | sP20),inference(prop_rule,[status(thm)],[])).
% 0.12/0.39  thf(11,plain,((~(sP20) | sP22) | sP12),inference(prop_rule,[status(thm)],[])).
% 0.12/0.39  thf(12,plain,(~(sP15) | sP6),inference(all_rule,[status(thm)],[])).
% 0.12/0.39  thf(13,plain,((~(sP6) | ~(sP1)) | sP17),inference(prop_rule,[status(thm)],[])).
% 0.12/0.39  thf(14,plain,(~(sP4) | sP21),inference(all_rule,[status(thm)],[])).
% 0.12/0.39  thf(15,plain,((~(sP21) | ~(sP23)) | sP13),inference(prop_rule,[status(thm)],[])).
% 0.12/0.39  thf(16,plain,((~(sP13) | sP19) | sP15),inference(prop_rule,[status(thm)],[])).
% 0.12/0.39  thf(trans_axiom,axiom,(![X1:$i>$o]:(mvalid @ ((mimpl @ ((mbox @ rel) @ X1)) @ ((mbox @ rel) @ ((mbox @ rel) @ X1)))))).
% 0.12/0.39  thf(17,plain,sP14,inference(preprocess,[status(thm)],[trans_axiom]).
% 0.12/0.39  thf(18,plain,$false,inference(prop_unsat,[status(thm),assumptions([h18,h19,h17,h15,h16,h13,h14,h12,h10,h11,h8,h9,h7,h5,h6,h3,h4,h2,h1,h0])],[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,h5,h8,h10,h13,h15,h18,h19])).
% 0.12/0.39  thf(19,plain,$false,inference(tab_negimp,[status(thm),assumptions([h17,h15,h16,h13,h14,h12,h10,h11,h8,h9,h7,h5,h6,h3,h4,h2,h1,h0]),tab_negimp(discharge,[h18,h19])],[h17,18,h18,h19])).
% 0.12/0.39  thf(20,plain,$false,inference(tab_negall,[status(thm),assumptions([h15,h16,h13,h14,h12,h10,h11,h8,h9,h7,h5,h6,h3,h4,h2,h1,h0]),tab_negall(discharge,[h17]),tab_negall(eigenvar,eigen__4)],[h16,19,h17])).
% 0.12/0.39  thf(21,plain,$false,inference(tab_negimp,[status(thm),assumptions([h13,h14,h12,h10,h11,h8,h9,h7,h5,h6,h3,h4,h2,h1,h0]),tab_negimp(discharge,[h15,h16])],[h14,20,h15,h16])).
% 0.12/0.39  thf(22,plain,$false,inference(tab_negimp,[status(thm),assumptions([h12,h10,h11,h8,h9,h7,h5,h6,h3,h4,h2,h1,h0]),tab_negimp(discharge,[h13,h14])],[h12,21,h13,h14])).
% 0.12/0.39  thf(23,plain,$false,inference(tab_negall,[status(thm),assumptions([h10,h11,h8,h9,h7,h5,h6,h3,h4,h2,h1,h0]),tab_negall(discharge,[h12]),tab_negall(eigenvar,eigen__3)],[h11,22,h12])).
% 0.12/0.39  thf(24,plain,$false,inference(tab_negimp,[status(thm),assumptions([h8,h9,h7,h5,h6,h3,h4,h2,h1,h0]),tab_negimp(discharge,[h10,h11])],[h9,23,h10,h11])).
% 0.12/0.39  thf(25,plain,$false,inference(tab_negimp,[status(thm),assumptions([h7,h5,h6,h3,h4,h2,h1,h0]),tab_negimp(discharge,[h8,h9])],[h7,24,h8,h9])).
% 0.12/0.39  thf(26,plain,$false,inference(tab_negall,[status(thm),assumptions([h5,h6,h3,h4,h2,h1,h0]),tab_negall(discharge,[h7]),tab_negall(eigenvar,eigen__2)],[h6,25,h7])).
% 0.12/0.39  thf(27,plain,$false,inference(tab_negimp,[status(thm),assumptions([h3,h4,h2,h1,h0]),tab_negimp(discharge,[h5,h6])],[h4,26,h5,h6])).
% 0.12/0.39  thf(28,plain,$false,inference(tab_negimp,[status(thm),assumptions([h2,h1,h0]),tab_negimp(discharge,[h3,h4])],[h2,27,h3,h4])).
% 0.12/0.39  thf(29,plain,$false,inference(tab_negall,[status(thm),assumptions([h1,h0]),tab_negall(discharge,[h2]),tab_negall(eigenvar,eigen__1)],[h1,28,h2])).
% 0.12/0.39  thf(30,plain,$false,inference(tab_negall,[status(thm),assumptions([h0]),tab_negall(discharge,[h1]),tab_negall(eigenvar,eigen__0)],[h0,29,h1])).
% 0.12/0.39  thf(0,theorem,(![X1:$i]:(![X2:$i]:(((rel @ X1) @ X2) => ((~((~((![X3:$i]:(((rel @ X2) @ X3) => ((~((![X4:$i]:(((rel @ X3) @ X4) => ((~((~((a @ X4))))) => (b @ X4)))))) => (![X4:$i]:(((rel @ X3) @ X4) => (s @ X4)))))))))) => (![X3:$i]:(((rel @ X2) @ X3) => ((~((~((![X4:$i]:(((rel @ X3) @ X4) => ((~((a @ X4))) => (![X5:$i]:(((rel @ X4) @ X5) => (s @ X5)))))))))) => (![X4:$i]:(((rel @ X3) @ X4) => ((~((b @ X4))) => (![X5:$i]:(((rel @ X4) @ X5) => (s @ X5))))))))))))),inference(contra,[status(thm),contra(discharge,[h0])],[30,h0])).
% 0.12/0.39  % SZS output end Proof
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