TSTP Solution File: GRA004+1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : GRA004+1 : TPTP v8.1.0. Bugfixed v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n021.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 : Fri Sep 16 20:47:26 EDT 2022

% Result   : Theorem 0.13s 0.40s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRA004+1 : TPTP v8.1.0. Bugfixed v3.2.0.
% 0.11/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.33  % Computer : n021.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Wed Aug 31 13:16:57 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.13/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.34  Usage: tptp [options] [-file:]file
% 0.13/0.34    -h, -?       prints this message.
% 0.13/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.34    -m, -model   generate model.
% 0.13/0.34    -p, -proof   generate proof.
% 0.13/0.34    -c, -core    generate unsat core of named formulas.
% 0.13/0.34    -st, -statistics display statistics.
% 0.13/0.34    -t:timeout   set timeout (in second).
% 0.13/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.34    -<param>:<value> configuration parameter and value.
% 0.13/0.34    -o:<output-file> file to place output in.
% 0.13/0.40  % SZS status Theorem
% 0.13/0.40  % SZS output start Proof
% 0.13/0.40  tff(tail_of_type, type, (
% 0.13/0.40     tail_of: $i > $i)).
% 0.13/0.40  tff(tptp_fun_E1_11_type, type, (
% 0.13/0.40     tptp_fun_E1_11: $i)).
% 0.13/0.40  tff(head_of_type, type, (
% 0.13/0.40     head_of: $i > $i)).
% 0.13/0.40  tff(tptp_fun_E2_10_type, type, (
% 0.13/0.40     tptp_fun_E2_10: $i)).
% 0.13/0.40  tff(tptp_fun_E3_14_type, type, (
% 0.13/0.40     tptp_fun_E3_14: $i)).
% 0.13/0.40  tff(precedes_type, type, (
% 0.13/0.40     precedes: ( $i * $i * $i ) > $o)).
% 0.13/0.40  tff(tptp_fun_P_9_type, type, (
% 0.13/0.40     tptp_fun_P_9: $i)).
% 0.13/0.40  tff(shortest_path_type, type, (
% 0.13/0.40     shortest_path: ( $i * $i * $i ) > $o)).
% 0.13/0.40  tff(tptp_fun_V2_12_type, type, (
% 0.13/0.40     tptp_fun_V2_12: $i)).
% 0.13/0.40  tff(tptp_fun_V1_13_type, type, (
% 0.13/0.40     tptp_fun_V1_13: $i)).
% 0.13/0.40  tff(edge_type, type, (
% 0.13/0.40     edge: $i > $o)).
% 0.13/0.40  tff(sequential_type, type, (
% 0.13/0.40     sequential: ( $i * $i ) > $o)).
% 0.13/0.40  tff(on_path_type, type, (
% 0.13/0.40     on_path: ( $i * $i ) > $o)).
% 0.13/0.40  tff(tptp_fun_E3_5_type, type, (
% 0.13/0.40     tptp_fun_E3_5: ( $i * $i * $i ) > $i)).
% 0.13/0.40  tff(path_type, type, (
% 0.13/0.40     path: ( $i * $i * $i ) > $o)).
% 0.13/0.40  tff(less_or_equal_type, type, (
% 0.13/0.40     less_or_equal: ( $i * $i ) > $o)).
% 0.13/0.40  tff(length_of_type, type, (
% 0.13/0.40     length_of: $i > $i)).
% 0.13/0.40  tff(tptp_fun_P_6_type, type, (
% 0.13/0.40     tptp_fun_P_6: ( $i * $i * $i ) > $i)).
% 0.13/0.40  tff(in_path_type, type, (
% 0.13/0.40     in_path: ( $i * $i ) > $o)).
% 0.13/0.40  tff(tptp_fun_E_2_type, type, (
% 0.13/0.40     tptp_fun_E_2: ( $i * $i * $i ) > $i)).
% 0.13/0.40  tff(path_cons_type, type, (
% 0.13/0.40     path_cons: ( $i * $i ) > $i)).
% 0.13/0.40  tff(empty_type, type, (
% 0.13/0.40     empty: $i)).
% 0.13/0.40  tff(tptp_fun_TP_3_type, type, (
% 0.13/0.40     tptp_fun_TP_3: ( $i * $i * $i ) > $i)).
% 0.13/0.40  tff(vertex_type, type, (
% 0.13/0.40     vertex: $i > $o)).
% 0.13/0.40  tff(1,plain,
% 0.13/0.40      (((shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9)) & ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))))) <=> (shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9) & ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))))),
% 0.13/0.40      inference(rewrite,[status(thm)],[])).
% 0.13/0.40  tff(2,plain,
% 0.13/0.40      ((((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))) | (head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11))) <=> ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))))),
% 0.13/0.40      inference(rewrite,[status(thm)],[])).
% 0.13/0.40  tff(3,plain,
% 0.13/0.40      ((~(~(head_of(E2!10) = head_of(E1!11)))) <=> (head_of(E2!10) = head_of(E1!11))),
% 0.13/0.40      inference(rewrite,[status(thm)],[])).
% 0.13/0.40  tff(4,plain,
% 0.13/0.40      ((~(~(head_of(E2!10) = tail_of(E1!11)))) <=> (head_of(E2!10) = tail_of(E1!11))),
% 0.13/0.40      inference(rewrite,[status(thm)],[])).
% 0.13/0.40  tff(5,plain,
% 0.13/0.40      ((((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))) | (~(~(head_of(E2!10) = tail_of(E1!11)))) | (~(~(head_of(E2!10) = head_of(E1!11))))) <=> (((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))) | (head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)))),
% 0.13/0.40      inference(monotonicity,[status(thm)],[4, 3])).
% 0.13/0.40  tff(6,plain,
% 0.13/0.40      ((((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))) | (~(~(head_of(E2!10) = tail_of(E1!11)))) | (~(~(head_of(E2!10) = head_of(E1!11))))) <=> ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))))),
% 0.13/0.40      inference(transitivity,[status(thm)],[5, 2])).
% 0.13/0.40  tff(7,plain,
% 0.13/0.40      ((~(~(shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9)))) <=> (shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9))),
% 0.13/0.40      inference(rewrite,[status(thm)],[])).
% 0.13/0.40  tff(8,plain,
% 0.13/0.40      (((~(~(shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9)))) & (((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))) | (~(~(head_of(E2!10) = tail_of(E1!11)))) | (~(~(head_of(E2!10) = head_of(E1!11)))))) <=> ((shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9)) & ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))))),
% 0.13/0.40      inference(monotonicity,[status(thm)],[7, 6])).
% 0.13/0.40  tff(9,plain,
% 0.13/0.41      (((~(~(shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9)))) & (((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))) | (~(~(head_of(E2!10) = tail_of(E1!11)))) | (~(~(head_of(E2!10) = head_of(E1!11)))))) <=> (shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9) & ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))))),
% 0.13/0.41      inference(transitivity,[status(thm)],[8, 1])).
% 0.13/0.41  tff(10,plain,
% 0.13/0.41      ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))) <=> (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1))))))),
% 0.13/0.41      inference(rewrite,[status(thm)],[])).
% 0.13/0.41  tff(11,plain,
% 0.13/0.41      ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => (((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1)))) & (~(head_of(E2) = head_of(E1)))))) <=> (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1))))))),
% 0.13/0.41      inference(rewrite,[status(thm)],[])).
% 0.13/0.41  tff(12,axiom,(~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => (((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1)))) & (~(head_of(E2) = head_of(E1)))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','shortest_path_properties_lemma')).
% 0.13/0.41  tff(13,plain,
% 0.13/0.41      (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))),
% 0.13/0.41      inference(modus_ponens,[status(thm)],[12, 11])).
% 0.13/0.41  tff(14,plain,
% 0.13/0.41      (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))),
% 0.13/0.41      inference(modus_ponens,[status(thm)],[13, 10])).
% 0.13/0.41  tff(15,plain,
% 0.13/0.41      (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))),
% 0.13/0.41      inference(modus_ponens,[status(thm)],[14, 10])).
% 0.13/0.41  tff(16,plain,
% 0.13/0.41      (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))),
% 0.13/0.41      inference(modus_ponens,[status(thm)],[15, 10])).
% 0.13/0.41  tff(17,plain,
% 0.13/0.41      (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))),
% 0.13/0.41      inference(modus_ponens,[status(thm)],[16, 10])).
% 0.13/0.41  tff(18,plain,
% 0.13/0.41      (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))),
% 0.13/0.41      inference(modus_ponens,[status(thm)],[17, 10])).
% 0.13/0.41  tff(19,plain,
% 0.13/0.41      (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))),
% 0.13/0.41      inference(modus_ponens,[status(thm)],[18, 10])).
% 0.13/0.41  tff(20,plain,
% 0.13/0.41      (shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9) & ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))))),
% 0.13/0.41      inference(modus_ponens,[status(thm)],[19, 9])).
% 0.13/0.41  tff(21,plain,
% 0.13/0.41      (precedes(E1!11, E2!10, P!9)),
% 0.13/0.41      inference(and_elim,[status(thm)],[20])).
% 0.13/0.41  tff(22,plain,
% 0.13/0.41      (shortest_path(V1!13, V2!12, P!9)),
% 0.13/0.41      inference(and_elim,[status(thm)],[20])).
% 0.13/0.41  tff(23,plain,
% 0.13/0.41      (^[V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : refl(((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))))),
% 0.13/0.41      inference(bind,[status(th)],[])).
% 0.13/0.41  tff(24,plain,
% 0.13/0.41      (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.13/0.41      inference(quant_intro,[status(thm)],[23])).
% 0.13/0.41  tff(25,plain,
% 0.13/0.41      (^[V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : rewrite(((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))))),
% 0.13/0.41      inference(bind,[status(th)],[])).
% 0.13/0.41  tff(26,plain,
% 0.13/0.41      (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.13/0.41      inference(quant_intro,[status(thm)],[25])).
% 0.13/0.41  tff(27,plain,
% 0.13/0.41      (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.13/0.41      inference(transitivity,[status(thm)],[26, 24])).
% 0.13/0.41  tff(28,plain,
% 0.13/0.41      (^[V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : trans(monotonicity(trans(monotonicity(rewrite((shortest_path(V1, V2, P) & precedes(E1, E2, P)) <=> (~((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))))), ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) <=> (~(~((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))))))), rewrite((~(~((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)))), ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))))), trans(monotonicity(quant_intro(proof_bind(^[E3: $i] : trans(monotonicity(rewrite(((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2))) <=> (~((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))))), ((~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) <=> (~(~((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))))))), rewrite((~(~((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))))) <=> ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))), ((~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) <=> ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))))), (![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) <=> ![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))))), ((![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))) <=> (![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))), rewrite((![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))) <=> (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))), ((![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))) <=> (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))), (((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | (![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> (((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))))), rewrite((((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))), (((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | (![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))))),
% 0.19/0.41      inference(bind,[status(th)],[])).
% 0.19/0.41  tff(29,plain,
% 0.19/0.41      (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | (![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.19/0.41      inference(quant_intro,[status(thm)],[28])).
% 0.19/0.41  tff(30,plain,
% 0.19/0.41      (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(31,plain,
% 0.19/0.41      (^[V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : trans(monotonicity(monotonicity(rewrite((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) <=> (~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2))))), (((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))) <=> ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))), (((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))))), rewrite(((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))), (((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))))),
% 0.19/0.41      inference(bind,[status(th)],[])).
% 0.19/0.41  tff(32,plain,
% 0.19/0.41      (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))),
% 0.19/0.41      inference(quant_intro,[status(thm)],[31])).
% 0.19/0.41  tff(33,axiom,(![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','shortest_path_properties')).
% 0.19/0.41  tff(34,plain,
% 0.19/0.41      (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[33, 32])).
% 0.19/0.41  tff(35,plain,
% 0.19/0.41      (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[34, 30])).
% 0.19/0.41  tff(36,plain,(
% 0.19/0.41      ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | (![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))),
% 0.19/0.41      inference(skolemize,[status(sab)],[35])).
% 0.19/0.41  tff(37,plain,
% 0.19/0.41      (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[36, 29])).
% 0.19/0.41  tff(38,plain,
% 0.19/0.41      (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[37, 27])).
% 0.19/0.41  tff(39,plain,
% 0.19/0.41      (((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | ((~shortest_path(V1!13, V2!12, P!9)) | (~precedes(E1!11, E2!10, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))))) <=> ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | (~shortest_path(V1!13, V2!12, P!9)) | (~precedes(E1!11, E2!10, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(40,plain,
% 0.19/0.41      ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | ((~shortest_path(V1!13, V2!12, P!9)) | (~precedes(E1!11, E2!10, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))))),
% 0.19/0.41      inference(quant_inst,[status(thm)],[])).
% 0.19/0.41  tff(41,plain,
% 0.19/0.41      ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | (~shortest_path(V1!13, V2!12, P!9)) | (~precedes(E1!11, E2!10, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[40, 39])).
% 0.19/0.42  tff(42,plain,
% 0.19/0.42      (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[41, 38, 22, 21])).
% 0.19/0.42  tff(43,plain,
% 0.19/0.42      (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9)) | ![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))),
% 0.19/0.42      inference(tautology,[status(thm)],[])).
% 0.19/0.42  tff(44,plain,
% 0.19/0.42      (![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[43, 42])).
% 0.19/0.42  tff(45,assumption,(~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))), introduced(assumption)).
% 0.19/0.42  tff(46,plain,
% 0.19/0.42      (((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))) | (head_of(E3!14) = head_of(E2!10))),
% 0.19/0.42      inference(tautology,[status(thm)],[])).
% 0.19/0.42  tff(47,plain,
% 0.19/0.42      (head_of(E3!14) = head_of(E2!10)),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[46, 45])).
% 0.19/0.42  tff(48,plain,
% 0.19/0.42      (((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))) | (tail_of(E3!14) = tail_of(E1!11))),
% 0.19/0.42      inference(tautology,[status(thm)],[])).
% 0.19/0.42  tff(49,plain,
% 0.19/0.42      (tail_of(E3!14) = tail_of(E1!11)),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[48, 45])).
% 0.19/0.42  tff(50,plain,
% 0.19/0.42      (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | ((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))) <=> ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(51,plain,
% 0.19/0.42      ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | ((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))),
% 0.19/0.42      inference(quant_inst,[status(thm)],[])).
% 0.19/0.42  tff(52,plain,
% 0.19/0.42      ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[51, 50])).
% 0.19/0.42  tff(53,plain,
% 0.19/0.42      ($false),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[52, 49, 47, 44])).
% 0.19/0.42  tff(54,plain,((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.42  tff(55,plain,
% 0.19/0.42      ((head_of(E1!11) = head_of(E2!10)) <=> (head_of(E2!10) = head_of(E1!11))),
% 0.19/0.42      inference(commutativity,[status(thm)],[])).
% 0.19/0.42  tff(56,plain,
% 0.19/0.42      ((~(head_of(E1!11) = head_of(E2!10))) <=> (~(head_of(E2!10) = head_of(E1!11)))),
% 0.19/0.42      inference(monotonicity,[status(thm)],[55])).
% 0.19/0.42  tff(57,plain,
% 0.19/0.42      (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(head_of(E1!11) = head_of(E2!10)))) <=> ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(head_of(E1!11) = head_of(E2!10))))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(58,plain,
% 0.19/0.42      (($false | (~(head_of(E1!11) = head_of(E2!10)))) <=> (~(head_of(E1!11) = head_of(E2!10)))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(59,plain,
% 0.19/0.42      ((~$true) <=> $false),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(60,plain,
% 0.19/0.42      ((tail_of(E1!11) = tail_of(E1!11)) <=> $true),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(61,plain,
% 0.19/0.42      ((~(tail_of(E1!11) = tail_of(E1!11))) <=> (~$true)),
% 0.19/0.42      inference(monotonicity,[status(thm)],[60])).
% 0.19/0.42  tff(62,plain,
% 0.19/0.42      ((~(tail_of(E1!11) = tail_of(E1!11))) <=> $false),
% 0.19/0.42      inference(transitivity,[status(thm)],[61, 59])).
% 0.19/0.42  tff(63,plain,
% 0.19/0.42      (((~(tail_of(E1!11) = tail_of(E1!11))) | (~(head_of(E1!11) = head_of(E2!10)))) <=> ($false | (~(head_of(E1!11) = head_of(E2!10))))),
% 0.19/0.42      inference(monotonicity,[status(thm)],[62])).
% 0.19/0.42  tff(64,plain,
% 0.19/0.42      (((~(tail_of(E1!11) = tail_of(E1!11))) | (~(head_of(E1!11) = head_of(E2!10)))) <=> (~(head_of(E1!11) = head_of(E2!10)))),
% 0.19/0.42      inference(transitivity,[status(thm)],[63, 58])).
% 0.19/0.42  tff(65,plain,
% 0.19/0.42      (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | ((~(tail_of(E1!11) = tail_of(E1!11))) | (~(head_of(E1!11) = head_of(E2!10))))) <=> ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(head_of(E1!11) = head_of(E2!10))))),
% 0.19/0.42      inference(monotonicity,[status(thm)],[64])).
% 0.19/0.42  tff(66,plain,
% 0.19/0.42      (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | ((~(tail_of(E1!11) = tail_of(E1!11))) | (~(head_of(E1!11) = head_of(E2!10))))) <=> ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(head_of(E1!11) = head_of(E2!10))))),
% 0.19/0.42      inference(transitivity,[status(thm)],[65, 57])).
% 0.19/0.42  tff(67,plain,
% 0.19/0.42      ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | ((~(tail_of(E1!11) = tail_of(E1!11))) | (~(head_of(E1!11) = head_of(E2!10))))),
% 0.19/0.42      inference(quant_inst,[status(thm)],[])).
% 0.19/0.42  tff(68,plain,
% 0.19/0.42      ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(head_of(E1!11) = head_of(E2!10)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[67, 66])).
% 0.19/0.42  tff(69,plain,
% 0.19/0.42      (~(head_of(E1!11) = head_of(E2!10))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[68, 44])).
% 0.19/0.42  tff(70,plain,
% 0.19/0.42      (~(head_of(E2!10) = head_of(E1!11))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[69, 56])).
% 0.19/0.42  tff(71,plain,
% 0.19/0.42      (((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))))) <=> ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(72,plain,
% 0.19/0.42      (((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))) <=> (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(73,plain,
% 0.19/0.42      (((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))) <=> ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))))),
% 0.19/0.42      inference(monotonicity,[status(thm)],[72])).
% 0.19/0.42  tff(74,plain,
% 0.19/0.42      (((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))) <=> ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))))),
% 0.19/0.42      inference(transitivity,[status(thm)],[73, 71])).
% 0.19/0.42  tff(75,plain,
% 0.19/0.42      ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))),
% 0.19/0.42      inference(and_elim,[status(thm)],[20])).
% 0.19/0.42  tff(76,plain,
% 0.19/0.42      ((head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[75, 74])).
% 0.19/0.42  tff(77,plain,
% 0.19/0.42      ((head_of(E2!10) = tail_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[76, 70])).
% 0.19/0.42  tff(78,plain,
% 0.19/0.42      (head_of(E2!10) = tail_of(E1!11)),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[77, 54])).
% 0.19/0.42  tff(79,plain,
% 0.19/0.42      (^[E1: $i, E2: $i] : refl((sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))))) <=> (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(80,plain,
% 0.19/0.42      (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))))) <=> ![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[79])).
% 0.19/0.42  tff(81,plain,
% 0.19/0.42      (^[E1: $i, E2: $i] : rewrite((sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2)))) <=> (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(82,plain,
% 0.19/0.42      (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2)))) <=> ![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[81])).
% 0.19/0.42  tff(83,plain,
% 0.19/0.42      (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2)))) <=> ![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2))))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(84,plain,
% 0.19/0.42      (^[E1: $i, E2: $i] : rewrite((sequential(E1, E2) <=> (((edge(E1) & edge(E2)) & (~(E1 = E2))) & (head_of(E1) = tail_of(E2)))) <=> (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2)))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(85,plain,
% 0.19/0.42      (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (((edge(E1) & edge(E2)) & (~(E1 = E2))) & (head_of(E1) = tail_of(E2)))) <=> ![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2))))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[84])).
% 0.19/0.42  tff(86,axiom,(![E1: $i, E2: $i] : (sequential(E1, E2) <=> (((edge(E1) & edge(E2)) & (~(E1 = E2))) & (head_of(E1) = tail_of(E2))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','sequential_defn')).
% 0.19/0.42  tff(87,plain,
% 0.19/0.42      (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[86, 85])).
% 0.19/0.42  tff(88,plain,
% 0.19/0.42      (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[87, 83])).
% 0.19/0.42  tff(89,plain,(
% 0.19/0.42      ![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2))))),
% 0.19/0.42      inference(skolemize,[status(sab)],[88])).
% 0.19/0.42  tff(90,plain,
% 0.19/0.42      (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[89, 82])).
% 0.19/0.42  tff(91,plain,
% 0.19/0.42      (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[90, 80])).
% 0.19/0.42  tff(92,plain,
% 0.19/0.42      (((~![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))) | (sequential(E2!10, E1!11) <=> (~((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11))))) <=> ((~![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))) | (sequential(E2!10, E1!11) <=> (~((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)))))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(93,plain,
% 0.19/0.42      ((sequential(E2!10, E1!11) <=> (~((E2!10 = E1!11) | (~edge(E1!11)) | (~edge(E2!10)) | (~(head_of(E2!10) = tail_of(E1!11)))))) <=> (sequential(E2!10, E1!11) <=> (~((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11))))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(94,plain,
% 0.19/0.42      (((~![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))) | (sequential(E2!10, E1!11) <=> (~((E2!10 = E1!11) | (~edge(E1!11)) | (~edge(E2!10)) | (~(head_of(E2!10) = tail_of(E1!11))))))) <=> ((~![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))) | (sequential(E2!10, E1!11) <=> (~((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)))))),
% 0.19/0.42      inference(monotonicity,[status(thm)],[93])).
% 0.19/0.42  tff(95,plain,
% 0.19/0.42      (((~![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))) | (sequential(E2!10, E1!11) <=> (~((E2!10 = E1!11) | (~edge(E1!11)) | (~edge(E2!10)) | (~(head_of(E2!10) = tail_of(E1!11))))))) <=> ((~![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))) | (sequential(E2!10, E1!11) <=> (~((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)))))),
% 0.19/0.42      inference(transitivity,[status(thm)],[94, 92])).
% 0.19/0.42  tff(96,plain,
% 0.19/0.42      ((~![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))) | (sequential(E2!10, E1!11) <=> (~((E2!10 = E1!11) | (~edge(E1!11)) | (~edge(E2!10)) | (~(head_of(E2!10) = tail_of(E1!11))))))),
% 0.19/0.42      inference(quant_inst,[status(thm)],[])).
% 0.19/0.42  tff(97,plain,
% 0.19/0.42      ((~![E1: $i, E2: $i] : (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2))))))) | (sequential(E2!10, E1!11) <=> (~((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[96, 95])).
% 0.19/0.42  tff(98,plain,
% 0.19/0.42      (sequential(E2!10, E1!11) <=> (~((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[97, 91])).
% 0.19/0.42  tff(99,plain,
% 0.19/0.42      (^[V1: $i, V2: $i, SP: $i] : rewrite((~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(100,plain,
% 0.19/0.42      (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> ![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[99])).
% 0.19/0.42  tff(101,plain,
% 0.19/0.42      (^[V1: $i, V2: $i, SP: $i] : refl((~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(102,plain,
% 0.19/0.42      (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> ![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.19/0.43      inference(quant_intro,[status(thm)],[101])).
% 0.19/0.43  tff(103,plain,
% 0.19/0.43      (^[V1: $i, V2: $i, SP: $i] : rewrite((~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))))),
% 0.19/0.43      inference(bind,[status(th)],[])).
% 0.19/0.43  tff(104,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> ![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.19/0.43      inference(quant_intro,[status(thm)],[103])).
% 0.19/0.43  tff(105,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> ![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.19/0.43      inference(transitivity,[status(thm)],[104, 102])).
% 0.19/0.43  tff(106,plain,
% 0.19/0.43      (^[V1: $i, V2: $i, SP: $i] : trans(monotonicity(rewrite(((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) <=> ((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))), rewrite(((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))) <=> ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))), ((((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) <=> (((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))), rewrite((((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) <=> (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))), ((((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) <=> (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))))),
% 0.19/0.43      inference(bind,[status(th)],[])).
% 0.19/0.43  tff(107,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) <=> ![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.19/0.43      inference(quant_intro,[status(thm)],[106])).
% 0.19/0.43  tff(108,plain,
% 0.19/0.43      (^[V1: $i, V2: $i, SP: $i] : rewrite((((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & (shortest_path(V1, V2, SP) | ((~path(V1, V2, SP)) | (~(~(V1 = V2))) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))) <=> (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))),
% 0.19/0.43      inference(bind,[status(th)],[])).
% 0.19/0.43  tff(109,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & (shortest_path(V1, V2, SP) | ((~path(V1, V2, SP)) | (~(~(V1 = V2))) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))) <=> ![V1: $i, V2: $i, SP: $i] : (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))),
% 0.19/0.43      inference(quant_intro,[status(thm)],[108])).
% 0.19/0.43  tff(110,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) <=> ![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))),
% 0.19/0.43      inference(rewrite,[status(thm)],[])).
% 0.19/0.43  tff(111,plain,
% 0.19/0.43      (^[V1: $i, V2: $i, SP: $i] : rewrite((shortest_path(V1, V2, SP) <=> ((path(V1, V2, SP) & (~(V1 = V2))) & ![P: $i] : (path(V1, V2, P) => less_or_equal(length_of(SP), length_of(P))))) <=> (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))),
% 0.19/0.43      inference(bind,[status(th)],[])).
% 0.19/0.43  tff(112,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> ((path(V1, V2, SP) & (~(V1 = V2))) & ![P: $i] : (path(V1, V2, P) => less_or_equal(length_of(SP), length_of(P))))) <=> ![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))),
% 0.19/0.43      inference(quant_intro,[status(thm)],[111])).
% 0.19/0.43  tff(113,axiom,(![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> ((path(V1, V2, SP) & (~(V1 = V2))) & ![P: $i] : (path(V1, V2, P) => less_or_equal(length_of(SP), length_of(P)))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','shortest_path_defn')).
% 0.19/0.43  tff(114,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[113, 112])).
% 0.19/0.43  tff(115,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[114, 110])).
% 0.19/0.43  tff(116,plain,(
% 0.19/0.43      ![V1: $i, V2: $i, SP: $i] : (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & (shortest_path(V1, V2, SP) | ((~path(V1, V2, SP)) | (~(~(V1 = V2))) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))),
% 0.19/0.43      inference(skolemize,[status(sab)],[115])).
% 0.19/0.43  tff(117,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[116, 109])).
% 0.19/0.43  tff(118,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[117, 107])).
% 0.19/0.43  tff(119,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[118, 105])).
% 0.19/0.43  tff(120,plain,
% 0.19/0.43      (![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[119, 100])).
% 0.19/0.43  tff(121,plain,
% 0.19/0.43      (((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))))))) <=> ((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))))))))))),
% 0.19/0.43      inference(rewrite,[status(thm)],[])).
% 0.19/0.43  tff(122,plain,
% 0.19/0.43      ((~((~((V1!13 = V2!12) | shortest_path(V1!13, V2!12, P!9) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))))))))) <=> (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))))))),
% 0.19/0.43      inference(rewrite,[status(thm)],[])).
% 0.19/0.43  tff(123,plain,
% 0.19/0.43      (((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~((V1!13 = V2!12) | shortest_path(V1!13, V2!12, P!9) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))))))) <=> ((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))))))))))),
% 0.19/0.44      inference(monotonicity,[status(thm)],[122])).
% 0.19/0.44  tff(124,plain,
% 0.19/0.44      (((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~((V1!13 = V2!12) | shortest_path(V1!13, V2!12, P!9) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))))))) <=> ((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))))))))))),
% 0.19/0.44      inference(transitivity,[status(thm)],[123, 121])).
% 0.19/0.44  tff(125,plain,
% 0.19/0.44      ((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~((V1!13 = V2!12) | shortest_path(V1!13, V2!12, P!9) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))))))),
% 0.19/0.44      inference(quant_inst,[status(thm)],[])).
% 0.19/0.44  tff(126,plain,
% 0.19/0.44      ((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))))))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[125, 124])).
% 0.19/0.44  tff(127,plain,
% 0.19/0.44      (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))))))))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[126, 120])).
% 0.19/0.44  tff(128,plain,
% 0.19/0.44      (((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))))) | ((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))))))),
% 0.19/0.44      inference(tautology,[status(thm)],[])).
% 0.19/0.44  tff(129,plain,
% 0.19/0.44      ((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[128, 127])).
% 0.19/0.44  tff(130,plain,
% 0.19/0.44      ((~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))))))) | (~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))),
% 0.19/0.44      inference(tautology,[status(thm)],[])).
% 0.19/0.44  tff(131,plain,
% 0.19/0.44      ((~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))))))) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[130, 22])).
% 0.19/0.44  tff(132,plain,
% 0.19/0.44      (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[131, 129])).
% 0.19/0.44  tff(133,plain,
% 0.19/0.44      (((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))) | path(V1!13, V2!12, P!9)),
% 0.19/0.44      inference(tautology,[status(thm)],[])).
% 0.19/0.44  tff(134,plain,
% 0.19/0.44      (path(V1!13, V2!12, P!9)),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[133, 132])).
% 0.19/0.44  tff(135,plain,
% 0.19/0.44      (^[P: $i, V1: $i, V2: $i] : refl(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))))),
% 0.19/0.44      inference(bind,[status(th)],[])).
% 0.19/0.44  tff(136,plain,
% 0.19/0.44      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.19/0.44      inference(quant_intro,[status(thm)],[135])).
% 0.19/0.44  tff(137,plain,
% 0.19/0.44      (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))))),
% 0.19/0.44      inference(bind,[status(th)],[])).
% 0.19/0.44  tff(138,plain,
% 0.19/0.44      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.19/0.44      inference(quant_intro,[status(thm)],[137])).
% 0.19/0.44  tff(139,plain,
% 0.19/0.44      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.19/0.44      inference(transitivity,[status(thm)],[138, 136])).
% 0.19/0.44  tff(140,plain,
% 0.19/0.44      (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))))),
% 0.19/0.44      inference(bind,[status(th)],[])).
% 0.19/0.44  tff(141,plain,
% 0.19/0.44      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.19/0.44      inference(quant_intro,[status(thm)],[140])).
% 0.19/0.44  tff(142,plain,
% 0.19/0.44      (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (((~(~sequential(E1, E2))) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))))),
% 0.19/0.44      inference(bind,[status(th)],[])).
% 0.19/0.44  tff(143,plain,
% 0.19/0.44      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (((~(~sequential(E1, E2))) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))))),
% 0.19/0.44      inference(quant_intro,[status(thm)],[142])).
% 0.19/0.44  tff(144,plain,
% 0.19/0.44      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))),
% 0.19/0.44      inference(rewrite,[status(thm)],[])).
% 0.19/0.44  tff(145,plain,
% 0.19/0.44      (^[P: $i, V1: $i, V2: $i] : trans(monotonicity(quant_intro(proof_bind(^[E1: $i, E2: $i] : trans(monotonicity(trans(monotonicity(trans(monotonicity(rewrite((sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))) <=> (sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))), ((~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))), rewrite((~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))), ((~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))), (((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) <=> ((on_path(E1, P) & on_path(E2, P)) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))), rewrite(((on_path(E1, P) & on_path(E2, P)) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))), (((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) <=> (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))), ((precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))) <=> (precedes(E1, E2, P) => (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))), rewrite((precedes(E1, E2, P) => (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) <=> ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))), ((precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))) <=> ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))), (![E1: $i, E2: $i] : (precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))) <=> ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))), ((path(V1, V2, P) => ![E1: $i, E2: $i] : (precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))) <=> (path(V1, V2, P) => ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))), rewrite((path(V1, V2, P) => ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))), ((path(V1, V2, P) => ![E1: $i, E2: $i] : (precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))))),
% 0.19/0.44      inference(bind,[status(th)],[])).
% 0.19/0.44  tff(146,plain,
% 0.19/0.44      (![P: $i, V1: $i, V2: $i] : (path(V1, V2, P) => ![E1: $i, E2: $i] : (precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))),
% 0.19/0.44      inference(quant_intro,[status(thm)],[145])).
% 0.19/0.44  tff(147,axiom,(![P: $i, V1: $i, V2: $i] : (path(V1, V2, P) => ![E1: $i, E2: $i] : (precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','precedes_properties')).
% 0.19/0.44  tff(148,plain,
% 0.19/0.44      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[147, 146])).
% 0.19/0.44  tff(149,plain,
% 0.19/0.44      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((~sequential(E1, E2)) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[148, 144])).
% 0.19/0.44  tff(150,plain,(
% 0.19/0.44      ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (((~(~sequential(E1, E2))) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))))),
% 0.19/0.45      inference(skolemize,[status(sab)],[149])).
% 0.19/0.45  tff(151,plain,
% 0.19/0.45      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))))),
% 0.19/0.45      inference(modus_ponens,[status(thm)],[150, 143])).
% 0.19/0.45  tff(152,plain,
% 0.19/0.45      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.19/0.45      inference(modus_ponens,[status(thm)],[151, 141])).
% 0.19/0.45  tff(153,plain,
% 0.19/0.45      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.19/0.45      inference(modus_ponens,[status(thm)],[152, 139])).
% 0.19/0.45  tff(154,plain,
% 0.19/0.45      (((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))))) <=> ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | (~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))))),
% 0.19/0.45      inference(rewrite,[status(thm)],[])).
% 0.19/0.45  tff(155,plain,
% 0.19/0.45      ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))))),
% 0.19/0.45      inference(quant_inst,[status(thm)],[])).
% 0.19/0.45  tff(156,plain,
% 0.19/0.45      ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | (~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))),
% 0.19/0.45      inference(modus_ponens,[status(thm)],[155, 154])).
% 0.19/0.45  tff(157,plain,
% 0.19/0.45      (![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[156, 153, 134])).
% 0.19/0.45  tff(158,plain,
% 0.19/0.45      (((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))) | ((~precedes(E1!11, E2!10, P!9)) | (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E1!11, E2!10) | (~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))))) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))))))) <=> ((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))) | (~precedes(E1!11, E2!10, P!9)) | (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E1!11, E2!10) | (~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))))) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))))))),
% 0.19/0.45      inference(rewrite,[status(thm)],[])).
% 0.19/0.45  tff(159,plain,
% 0.19/0.45      ((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))) | ((~precedes(E1!11, E2!10, P!9)) | (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E1!11, E2!10) | (~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))))) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))))))),
% 0.19/0.45      inference(quant_inst,[status(thm)],[])).
% 0.19/0.45  tff(160,plain,
% 0.19/0.45      ((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))) | (~precedes(E1!11, E2!10, P!9)) | (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E1!11, E2!10) | (~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))))) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9)))))))),
% 0.19/0.45      inference(modus_ponens,[status(thm)],[159, 158])).
% 0.19/0.45  tff(161,plain,
% 0.19/0.45      (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E1!11, E2!10) | (~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))))) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))))),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[160, 21, 157])).
% 0.19/0.45  tff(162,plain,
% 0.19/0.45      (((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E1!11, E2!10) | (~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))))) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9)))))) | on_path(E1!11, P!9)),
% 0.19/0.45      inference(tautology,[status(thm)],[])).
% 0.19/0.45  tff(163,plain,
% 0.19/0.45      (on_path(E1!11, P!9)),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[162, 161])).
% 0.19/0.45  tff(164,plain,
% 0.19/0.45      (((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E1!11, E2!10) | (~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))))) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9)))))) | on_path(E2!10, P!9)),
% 0.19/0.45      inference(tautology,[status(thm)],[])).
% 0.19/0.45  tff(165,plain,
% 0.19/0.45      (on_path(E2!10, P!9)),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[164, 161])).
% 0.19/0.45  tff(166,plain,
% 0.19/0.45      (^[P: $i, V1: $i, V2: $i] : refl(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.19/0.45      inference(bind,[status(th)],[])).
% 0.19/0.45  tff(167,plain,
% 0.19/0.45      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.19/0.45      inference(quant_intro,[status(thm)],[166])).
% 0.19/0.45  tff(168,plain,
% 0.19/0.45      (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.19/0.45      inference(bind,[status(th)],[])).
% 0.19/0.45  tff(169,plain,
% 0.19/0.45      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.19/0.45      inference(quant_intro,[status(thm)],[168])).
% 0.19/0.45  tff(170,plain,
% 0.19/0.45      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.19/0.45      inference(transitivity,[status(thm)],[169, 167])).
% 0.19/0.45  tff(171,plain,
% 0.19/0.45      (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.19/0.45      inference(bind,[status(th)],[])).
% 0.19/0.45  tff(172,plain,
% 0.19/0.45      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.19/0.45      inference(quant_intro,[status(thm)],[171])).
% 0.19/0.45  tff(173,plain,
% 0.19/0.45      (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (((~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))))),
% 0.19/0.45      inference(bind,[status(th)],[])).
% 0.19/0.45  tff(174,plain,
% 0.19/0.46      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (((~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))),
% 0.19/0.46      inference(quant_intro,[status(thm)],[173])).
% 0.19/0.46  tff(175,plain,
% 0.19/0.46      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))),
% 0.19/0.46      inference(rewrite,[status(thm)],[])).
% 0.19/0.46  tff(176,plain,
% 0.19/0.46      (^[P: $i, V1: $i, V2: $i] : trans(monotonicity(quant_intro(proof_bind(^[E1: $i, E2: $i] : trans(monotonicity(trans(monotonicity(rewrite((sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))) <=> (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))), (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> ((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))), rewrite(((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))), (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))), ((((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)) <=> ((on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)))), rewrite(((on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)) <=> ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))), ((((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)) <=> ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))))), (![E1: $i, E2: $i] : (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)) <=> ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))), ((path(V1, V2, P) => ![E1: $i, E2: $i] : (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P))) <=> (path(V1, V2, P) => ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))))), rewrite((path(V1, V2, P) => ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))), ((path(V1, V2, P) => ![E1: $i, E2: $i] : (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))))),
% 0.19/0.46      inference(bind,[status(th)],[])).
% 0.19/0.46  tff(177,plain,
% 0.19/0.46      (![P: $i, V1: $i, V2: $i] : (path(V1, V2, P) => ![E1: $i, E2: $i] : (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))),
% 0.19/0.46      inference(quant_intro,[status(thm)],[176])).
% 0.19/0.46  tff(178,axiom,(![P: $i, V1: $i, V2: $i] : (path(V1, V2, P) => ![E1: $i, E2: $i] : (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','precedes_defn')).
% 0.19/0.46  tff(179,plain,
% 0.19/0.46      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))),
% 0.19/0.46      inference(modus_ponens,[status(thm)],[178, 177])).
% 0.19/0.46  tff(180,plain,
% 0.19/0.46      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))),
% 0.19/0.46      inference(modus_ponens,[status(thm)],[179, 175])).
% 0.19/0.46  tff(181,plain,(
% 0.19/0.46      ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (((~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))),
% 0.19/0.46      inference(skolemize,[status(sab)],[180])).
% 0.19/0.46  tff(182,plain,
% 0.19/0.46      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))),
% 0.19/0.46      inference(modus_ponens,[status(thm)],[181, 174])).
% 0.19/0.46  tff(183,plain,
% 0.19/0.46      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.19/0.46      inference(modus_ponens,[status(thm)],[182, 172])).
% 0.19/0.46  tff(184,plain,
% 0.19/0.46      (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.19/0.46      inference(modus_ponens,[status(thm)],[183, 170])).
% 0.19/0.46  tff(185,plain,
% 0.19/0.46      (((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))) <=> ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | (~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))),
% 0.19/0.46      inference(rewrite,[status(thm)],[])).
% 0.19/0.46  tff(186,plain,
% 0.19/0.46      ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))),
% 0.19/0.46      inference(quant_inst,[status(thm)],[])).
% 0.19/0.46  tff(187,plain,
% 0.19/0.46      ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | (~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))),
% 0.19/0.46      inference(modus_ponens,[status(thm)],[186, 185])).
% 0.19/0.46  tff(188,plain,
% 0.19/0.46      (![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))),
% 0.19/0.46      inference(unit_resolution,[status(thm)],[187, 184, 134])).
% 0.19/0.46  tff(189,plain,
% 0.19/0.46      (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9)) | (~precedes(E2!10, E1!11, P!9))),
% 0.19/0.46      inference(tautology,[status(thm)],[])).
% 0.19/0.46  tff(190,plain,
% 0.19/0.46      (~precedes(E2!10, E1!11, P!9)),
% 0.19/0.46      inference(unit_resolution,[status(thm)],[189, 42])).
% 0.19/0.46  tff(191,plain,
% 0.19/0.46      (((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))) <=> ((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))),
% 0.19/0.46      inference(rewrite,[status(thm)],[])).
% 0.19/0.46  tff(192,plain,
% 0.19/0.46      ((precedes(E2!10, E1!11, P!9) | (~on_path(E2!10, P!9)) | (~on_path(E1!11, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9))))))) <=> (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))),
% 0.19/0.46      inference(rewrite,[status(thm)],[])).
% 0.19/0.46  tff(193,plain,
% 0.19/0.46      ((~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))) <=> (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9))))))),
% 0.19/0.46      inference(rewrite,[status(thm)],[])).
% 0.19/0.46  tff(194,plain,
% 0.19/0.46      ((precedes(E2!10, E1!11, P!9) | (~on_path(E2!10, P!9)) | (~on_path(E1!11, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9))))))) <=> (precedes(E2!10, E1!11, P!9) | (~on_path(E2!10, P!9)) | (~on_path(E1!11, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))),
% 0.19/0.46      inference(monotonicity,[status(thm)],[193])).
% 0.19/0.46  tff(195,plain,
% 0.19/0.46      ((precedes(E2!10, E1!11, P!9) | (~on_path(E2!10, P!9)) | (~on_path(E1!11, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9))))))) <=> (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))),
% 0.19/0.46      inference(transitivity,[status(thm)],[194, 192])).
% 0.19/0.46  tff(196,plain,
% 0.19/0.46      (((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | (precedes(E2!10, E1!11, P!9) | (~on_path(E2!10, P!9)) | (~on_path(E1!11, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))) <=> ((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9))))))))),
% 0.19/0.47      inference(monotonicity,[status(thm)],[195])).
% 0.19/0.47  tff(197,plain,
% 0.19/0.47      (((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | (precedes(E2!10, E1!11, P!9) | (~on_path(E2!10, P!9)) | (~on_path(E1!11, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))) <=> ((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))),
% 0.19/0.47      inference(transitivity,[status(thm)],[196, 191])).
% 0.19/0.47  tff(198,plain,
% 0.19/0.47      ((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | (precedes(E2!10, E1!11, P!9) | (~on_path(E2!10, P!9)) | (~on_path(E1!11, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))),
% 0.19/0.47      inference(quant_inst,[status(thm)],[])).
% 0.19/0.47  tff(199,plain,
% 0.19/0.47      ((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9))))))),
% 0.19/0.47      inference(modus_ponens,[status(thm)],[198, 197])).
% 0.19/0.47  tff(200,plain,
% 0.19/0.47      ((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9))))))),
% 0.19/0.47      inference(unit_resolution,[status(thm)],[199, 190, 188])).
% 0.19/0.47  tff(201,plain,
% 0.19/0.47      (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))),
% 0.19/0.47      inference(unit_resolution,[status(thm)],[200, 165, 163])).
% 0.19/0.47  tff(202,plain,
% 0.19/0.47      ((sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9))))) | (~sequential(E2!10, E1!11))),
% 0.19/0.47      inference(tautology,[status(thm)],[])).
% 0.19/0.47  tff(203,plain,
% 0.19/0.47      (~sequential(E2!10, E1!11)),
% 0.19/0.47      inference(unit_resolution,[status(thm)],[202, 201])).
% 0.19/0.47  tff(204,plain,
% 0.19/0.47      ((~(sequential(E2!10, E1!11) <=> (~((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11))))) | sequential(E2!10, E1!11) | ((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11))),
% 0.19/0.47      inference(tautology,[status(thm)],[])).
% 0.19/0.47  tff(205,plain,
% 0.19/0.47      ((~(sequential(E2!10, E1!11) <=> (~((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11))))) | ((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11))),
% 0.19/0.47      inference(unit_resolution,[status(thm)],[204, 203])).
% 0.19/0.47  tff(206,plain,
% 0.19/0.47      ((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)),
% 0.19/0.47      inference(unit_resolution,[status(thm)],[205, 98])).
% 0.19/0.47  tff(207,plain,
% 0.19/0.47      (^[V1: $i, V2: $i, P: $i] : refl(((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))) <=> ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))))),
% 0.19/0.47      inference(bind,[status(th)],[])).
% 0.19/0.47  tff(208,plain,
% 0.19/0.47      (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))) <=> ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))),
% 0.19/0.47      inference(quant_intro,[status(thm)],[207])).
% 0.19/0.47  tff(209,plain,
% 0.19/0.47      (^[V1: $i, V2: $i, P: $i] : rewrite(((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))) <=> ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))))),
% 0.19/0.47      inference(bind,[status(th)],[])).
% 0.19/0.47  tff(210,plain,
% 0.19/0.47      (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))) <=> ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))),
% 0.19/0.47      inference(quant_intro,[status(thm)],[209])).
% 0.19/0.47  tff(211,plain,
% 0.19/0.47      (^[V1: $i, V2: $i, P: $i] : rewrite(((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & (edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((~(~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))) <=> ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))),
% 0.19/0.47      inference(bind,[status(th)],[])).
% 0.19/0.47  tff(212,plain,
% 0.19/0.47      (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & (edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((~(~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))) <=> ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))),
% 0.19/0.47      inference(quant_intro,[status(thm)],[211])).
% 0.19/0.47  tff(213,plain,
% 0.19/0.47      (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))) <=> ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))),
% 0.19/0.47      inference(rewrite,[status(thm)],[])).
% 0.19/0.47  tff(214,plain,
% 0.19/0.47      (^[V1: $i, V2: $i, P: $i] : trans(monotonicity(trans(monotonicity(quant_intro(proof_bind(^[E: $i] : trans(monotonicity(trans(monotonicity(rewrite((((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))) <=> (((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))), ((~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))) <=> (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))), rewrite((~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))) <=> ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))), ((~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))) <=> ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))), (((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))) <=> ((edge(E) & (V1 = tail_of(E))) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))), rewrite(((edge(E) & (V1 = tail_of(E))) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))) <=> (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))), (((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))) <=> (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))), (?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))) <=> ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))), (((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))) <=> ((vertex(V1) & vertex(V2)) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))), rewrite(((vertex(V1) & vertex(V2)) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))) <=> (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))), (((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))) <=> (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))), ((path(V1, V2, P) => ((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))) <=> (path(V1, V2, P) => (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))), rewrite((path(V1, V2, P) => (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))) <=> ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))), ((path(V1, V2, P) => ((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))) <=> ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))))),
% 0.19/0.47      inference(bind,[status(th)],[])).
% 0.19/0.47  tff(215,plain,
% 0.19/0.47      (![V1: $i, V2: $i, P: $i] : (path(V1, V2, P) => ((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))) <=> ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))),
% 0.19/0.47      inference(quant_intro,[status(thm)],[214])).
% 0.19/0.47  tff(216,axiom,(![V1: $i, V2: $i, P: $i] : (path(V1, V2, P) => ((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','path_properties')).
% 0.19/0.47  tff(217,plain,
% 0.19/0.47      (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))),
% 0.19/0.47      inference(modus_ponens,[status(thm)],[216, 215])).
% 0.19/0.47  tff(218,plain,
% 0.19/0.47      (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & ((~((V2 = head_of(E)) & (P = path_cons(E, empty)))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))),
% 0.19/0.47      inference(modus_ponens,[status(thm)],[217, 213])).
% 0.19/0.47  tff(219,plain,(
% 0.19/0.47      ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & (edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((~(~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))),
% 0.19/0.47      inference(skolemize,[status(sab)],[218])).
% 0.19/0.47  tff(220,plain,
% 0.19/0.47      (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))),
% 0.19/0.47      inference(modus_ponens,[status(thm)],[219, 212])).
% 0.19/0.47  tff(221,plain,
% 0.19/0.47      (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))),
% 0.19/0.47      inference(modus_ponens,[status(thm)],[220, 210])).
% 0.19/0.47  tff(222,plain,
% 0.19/0.47      (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))),
% 0.19/0.47      inference(modus_ponens,[status(thm)],[221, 208])).
% 0.19/0.47  tff(223,plain,
% 0.19/0.47      (((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | ((~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))))) | (~((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))))))) | (~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))))))))) <=> ((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | (~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))))) | (~((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))))))) | (~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))))))))),
% 0.19/0.47      inference(rewrite,[status(thm)],[])).
% 0.19/0.47  tff(224,plain,
% 0.19/0.47      ((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | ((~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))))) | (~((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))))))) | (~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))))))))),
% 0.19/0.47      inference(quant_inst,[status(thm)],[])).
% 0.19/0.47  tff(225,plain,
% 0.19/0.47      ((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | (~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))))) | (~((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))))))) | (~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP))))))))),
% 0.19/0.47      inference(modus_ponens,[status(thm)],[224, 223])).
% 0.19/0.47  tff(226,plain,
% 0.19/0.47      (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))))) | (~((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))))))) | (~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))))))),
% 0.19/0.47      inference(unit_resolution,[status(thm)],[225, 222, 134])).
% 0.19/0.47  tff(227,plain,
% 0.19/0.47      (((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))))) | (~((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))))))) | (~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP))))))) | (V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))),
% 0.19/0.48      inference(tautology,[status(thm)],[])).
% 0.19/0.48  tff(228,plain,
% 0.19/0.48      (V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13))),
% 0.19/0.48      inference(unit_resolution,[status(thm)],[227, 226])).
% 0.19/0.48  tff(229,plain,
% 0.19/0.48      (tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)) = V1!13),
% 0.19/0.48      inference(symmetry,[status(thm)],[228])).
% 0.19/0.48  tff(230,plain,
% 0.19/0.48      (path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9) <=> path(V1!13, V2!12, P!9)),
% 0.19/0.48      inference(monotonicity,[status(thm)],[229])).
% 0.19/0.48  tff(231,plain,
% 0.19/0.48      (path(V1!13, V2!12, P!9) <=> path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)),
% 0.19/0.48      inference(symmetry,[status(thm)],[230])).
% 0.19/0.48  tff(232,plain,
% 0.19/0.48      (path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)),
% 0.19/0.48      inference(modus_ponens,[status(thm)],[134, 231])).
% 0.19/0.48  tff(233,plain,
% 0.19/0.48      (^[V1: $i, V2: $i, P: $i, E: $i] : refl(((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P))) <=> ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P))))),
% 0.19/0.48      inference(bind,[status(th)],[])).
% 0.19/0.48  tff(234,plain,
% 0.19/0.48      (![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P))) <=> ![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))),
% 0.19/0.48      inference(quant_intro,[status(thm)],[233])).
% 0.19/0.48  tff(235,plain,
% 0.19/0.48      (^[V1: $i, V2: $i, P: $i, E: $i] : trans(monotonicity(trans(monotonicity(rewrite((path(V1, V2, P) & on_path(E, P)) <=> (~((~path(V1, V2, P)) | (~on_path(E, P))))), ((~(path(V1, V2, P) & on_path(E, P))) <=> (~(~((~path(V1, V2, P)) | (~on_path(E, P))))))), rewrite((~(~((~path(V1, V2, P)) | (~on_path(E, P))))) <=> ((~path(V1, V2, P)) | (~on_path(E, P)))), ((~(path(V1, V2, P) & on_path(E, P))) <=> ((~path(V1, V2, P)) | (~on_path(E, P))))), rewrite((edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)) <=> (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P))))), (((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))) <=> (((~path(V1, V2, P)) | (~on_path(E, P))) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P))))))), rewrite((((~path(V1, V2, P)) | (~on_path(E, P))) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P))))) <=> ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))), (((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))) <=> ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))))),
% 0.19/0.48      inference(bind,[status(th)],[])).
% 0.19/0.48  tff(236,plain,
% 0.19/0.48      (![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))) <=> ![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))),
% 0.19/0.48      inference(quant_intro,[status(thm)],[235])).
% 0.19/0.48  tff(237,plain,
% 0.19/0.48      (![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))) <=> ![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))),
% 0.19/0.48      inference(rewrite,[status(thm)],[])).
% 0.19/0.48  tff(238,plain,
% 0.19/0.48      (^[V1: $i, V2: $i, P: $i, E: $i] : trans(monotonicity(rewrite(((edge(E) & in_path(head_of(E), P)) & in_path(tail_of(E), P)) <=> (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))), (((path(V1, V2, P) & on_path(E, P)) => ((edge(E) & in_path(head_of(E), P)) & in_path(tail_of(E), P))) <=> ((path(V1, V2, P) & on_path(E, P)) => (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))))), rewrite(((path(V1, V2, P) & on_path(E, P)) => (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))) <=> ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))), (((path(V1, V2, P) & on_path(E, P)) => ((edge(E) & in_path(head_of(E), P)) & in_path(tail_of(E), P))) <=> ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))))),
% 0.19/0.48      inference(bind,[status(th)],[])).
% 0.19/0.48  tff(239,plain,
% 0.19/0.48      (![V1: $i, V2: $i, P: $i, E: $i] : ((path(V1, V2, P) & on_path(E, P)) => ((edge(E) & in_path(head_of(E), P)) & in_path(tail_of(E), P))) <=> ![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))),
% 0.19/0.48      inference(quant_intro,[status(thm)],[238])).
% 0.19/0.48  tff(240,axiom,(![V1: $i, V2: $i, P: $i, E: $i] : ((path(V1, V2, P) & on_path(E, P)) => ((edge(E) & in_path(head_of(E), P)) & in_path(tail_of(E), P)))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','on_path_properties')).
% 0.19/0.48  tff(241,plain,
% 0.19/0.48      (![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))),
% 0.19/0.48      inference(modus_ponens,[status(thm)],[240, 239])).
% 0.19/0.48  tff(242,plain,
% 0.19/0.48      (![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))),
% 0.19/0.48      inference(modus_ponens,[status(thm)],[241, 237])).
% 0.19/0.48  tff(243,plain,(
% 0.19/0.48      ![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))),
% 0.19/0.48      inference(skolemize,[status(sab)],[242])).
% 0.19/0.48  tff(244,plain,
% 0.19/0.48      (![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))),
% 0.19/0.48      inference(modus_ponens,[status(thm)],[243, 236])).
% 0.19/0.48  tff(245,plain,
% 0.19/0.48      (![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))),
% 0.19/0.48      inference(modus_ponens,[status(thm)],[244, 234])).
% 0.19/0.48  tff(246,plain,
% 0.19/0.48      (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | ((~on_path(E2!10, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | (~on_path(E2!10, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))))),
% 0.19/0.48      inference(rewrite,[status(thm)],[])).
% 0.19/0.48  tff(247,plain,
% 0.19/0.48      (((~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~on_path(E2!10, P!9))) <=> ((~on_path(E2!10, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))))),
% 0.19/0.48      inference(rewrite,[status(thm)],[])).
% 0.19/0.48  tff(248,plain,
% 0.19/0.48      (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | ((~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~on_path(E2!10, P!9)))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | ((~on_path(E2!10, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9))))))),
% 0.19/0.48      inference(monotonicity,[status(thm)],[247])).
% 0.19/0.48  tff(249,plain,
% 0.19/0.48      (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | ((~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~on_path(E2!10, P!9)))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | (~on_path(E2!10, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))))),
% 0.19/0.48      inference(transitivity,[status(thm)],[248, 246])).
% 0.19/0.48  tff(250,plain,
% 0.19/0.48      ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | ((~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~on_path(E2!10, P!9)))),
% 0.19/0.48      inference(quant_inst,[status(thm)],[])).
% 0.19/0.48  tff(251,plain,
% 0.19/0.48      ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | (~on_path(E2!10, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9))))),
% 0.19/0.48      inference(modus_ponens,[status(thm)],[250, 249])).
% 0.19/0.48  tff(252,plain,
% 0.19/0.48      ((~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9))))),
% 0.19/0.48      inference(unit_resolution,[status(thm)],[251, 245, 165])).
% 0.19/0.48  tff(253,plain,
% 0.19/0.48      (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))),
% 0.19/0.48      inference(unit_resolution,[status(thm)],[252, 232])).
% 0.19/0.48  tff(254,plain,
% 0.19/0.48      (((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9))) | edge(E2!10)),
% 0.19/0.48      inference(tautology,[status(thm)],[])).
% 0.19/0.48  tff(255,plain,
% 0.19/0.48      (edge(E2!10)),
% 0.19/0.48      inference(unit_resolution,[status(thm)],[254, 253])).
% 0.19/0.48  tff(256,plain,
% 0.19/0.48      (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | ((~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | (~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))))),
% 0.19/0.48      inference(rewrite,[status(thm)],[])).
% 0.19/0.48  tff(257,plain,
% 0.19/0.48      (((~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))) | (~on_path(E1!11, P!9))) <=> ((~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))))),
% 0.19/0.48      inference(rewrite,[status(thm)],[])).
% 0.19/0.48  tff(258,plain,
% 0.19/0.48      (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | ((~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))) | (~on_path(E1!11, P!9)))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | ((~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9))))))),
% 0.19/0.48      inference(monotonicity,[status(thm)],[257])).
% 0.19/0.48  tff(259,plain,
% 0.19/0.48      (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | ((~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))) | (~on_path(E1!11, P!9)))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | (~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))))),
% 0.19/0.48      inference(transitivity,[status(thm)],[258, 256])).
% 0.19/0.48  tff(260,plain,
% 0.19/0.48      ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | ((~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))) | (~on_path(E1!11, P!9)))),
% 0.19/0.48      inference(quant_inst,[status(thm)],[])).
% 0.19/0.48  tff(261,plain,
% 0.19/0.48      ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~path(V1, V2, P)) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~on_path(E, P)))) | (~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9))))),
% 0.19/0.48      inference(modus_ponens,[status(thm)],[260, 259])).
% 0.19/0.48  tff(262,plain,
% 0.19/0.48      ((~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9))))),
% 0.19/0.48      inference(unit_resolution,[status(thm)],[261, 245, 163])).
% 0.19/0.48  tff(263,plain,
% 0.19/0.48      (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))),
% 0.19/0.48      inference(unit_resolution,[status(thm)],[262, 232])).
% 0.19/0.48  tff(264,plain,
% 0.19/0.48      (((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9))) | edge(E1!11)),
% 0.19/0.48      inference(tautology,[status(thm)],[])).
% 0.19/0.48  tff(265,plain,
% 0.19/0.48      (edge(E1!11)),
% 0.19/0.48      inference(unit_resolution,[status(thm)],[264, 263])).
% 0.19/0.48  tff(266,plain,
% 0.19/0.48      ((~((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11))) | (~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)),
% 0.19/0.48      inference(tautology,[status(thm)],[])).
% 0.19/0.48  tff(267,plain,
% 0.19/0.48      ((~(head_of(E2!10) = tail_of(E1!11))) | (E2!10 = E1!11)),
% 0.19/0.48      inference(unit_resolution,[status(thm)],[266, 265, 255, 206])).
% 0.19/0.48  tff(268,plain,
% 0.19/0.48      (E2!10 = E1!11),
% 0.19/0.48      inference(unit_resolution,[status(thm)],[267, 78])).
% 0.19/0.48  tff(269,plain,
% 0.19/0.48      (E1!11 = E2!10),
% 0.19/0.48      inference(symmetry,[status(thm)],[268])).
% 0.19/0.48  tff(270,plain,
% 0.19/0.48      (head_of(E1!11) = head_of(E2!10)),
% 0.19/0.48      inference(monotonicity,[status(thm)],[269])).
% 0.19/0.48  tff(271,plain,
% 0.19/0.48      (head_of(E1!11) = tail_of(E1!11)),
% 0.19/0.48      inference(transitivity,[status(thm)],[270, 78])).
% 0.19/0.48  tff(272,plain,
% 0.19/0.48      (^[E: $i] : refl(((~edge(E)) | (~(head_of(E) = tail_of(E)))) <=> ((~edge(E)) | (~(head_of(E) = tail_of(E)))))),
% 0.19/0.48      inference(bind,[status(th)],[])).
% 0.19/0.48  tff(273,plain,
% 0.19/0.48      (![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E)))) <=> ![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.19/0.48      inference(quant_intro,[status(thm)],[272])).
% 0.19/0.48  tff(274,plain,
% 0.19/0.48      (![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E)))) <=> ![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.19/0.48      inference(rewrite,[status(thm)],[])).
% 0.19/0.48  tff(275,plain,
% 0.19/0.48      (^[E: $i] : rewrite((edge(E) => (~(head_of(E) = tail_of(E)))) <=> ((~edge(E)) | (~(head_of(E) = tail_of(E)))))),
% 0.19/0.48      inference(bind,[status(th)],[])).
% 0.19/0.48  tff(276,plain,
% 0.19/0.48      (![E: $i] : (edge(E) => (~(head_of(E) = tail_of(E)))) <=> ![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.19/0.48      inference(quant_intro,[status(thm)],[275])).
% 0.19/0.48  tff(277,axiom,(![E: $i] : (edge(E) => (~(head_of(E) = tail_of(E))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','no_loops')).
% 0.19/0.48  tff(278,plain,
% 0.19/0.48      (![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.19/0.48      inference(modus_ponens,[status(thm)],[277, 276])).
% 0.19/0.48  tff(279,plain,
% 0.19/0.48      (![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.19/0.48      inference(modus_ponens,[status(thm)],[278, 274])).
% 0.19/0.48  tff(280,plain,(
% 0.19/0.48      ![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.19/0.48      inference(skolemize,[status(sab)],[279])).
% 0.19/0.48  tff(281,plain,
% 0.19/0.48      (![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.19/0.48      inference(modus_ponens,[status(thm)],[280, 273])).
% 0.19/0.48  tff(282,plain,
% 0.19/0.48      (((~![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))) | ((~edge(E1!11)) | (~(head_of(E1!11) = tail_of(E1!11))))) <=> ((~![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))) | (~edge(E1!11)) | (~(head_of(E1!11) = tail_of(E1!11))))),
% 0.19/0.48      inference(rewrite,[status(thm)],[])).
% 0.19/0.48  tff(283,plain,
% 0.19/0.48      ((~![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))) | ((~edge(E1!11)) | (~(head_of(E1!11) = tail_of(E1!11))))),
% 0.19/0.48      inference(quant_inst,[status(thm)],[])).
% 0.19/0.48  tff(284,plain,
% 0.19/0.48      ((~![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))) | (~edge(E1!11)) | (~(head_of(E1!11) = tail_of(E1!11)))),
% 0.19/0.48      inference(modus_ponens,[status(thm)],[283, 282])).
% 0.19/0.48  tff(285,plain,
% 0.19/0.48      (~(head_of(E1!11) = tail_of(E1!11))),
% 0.19/0.48      inference(unit_resolution,[status(thm)],[284, 281, 265])).
% 0.19/0.48  tff(286,plain,
% 0.19/0.48      ($false),
% 0.19/0.48      inference(unit_resolution,[status(thm)],[285, 271])).
% 0.19/0.48  % SZS output end Proof
%------------------------------------------------------------------------------