TSTP Solution File: GEO263+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GEO263+1 : TPTP v8.1.0. Bugfixed v6.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n032.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Sat Jul 16 05:55:39 EDT 2022

% Result   : Theorem 0.46s 0.78s
% Output   : Refutation 0.46s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.08  % Problem  : GEO263+1 : TPTP v8.1.0. Bugfixed v6.4.0.
% 0.00/0.09  % Command  : tptp2X_and_run_prover9 %d %s
% 0.09/0.27  % Computer : n032.cluster.edu
% 0.09/0.27  % Model    : x86_64 x86_64
% 0.09/0.27  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.27  % Memory   : 8042.1875MB
% 0.09/0.27  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.27  % CPULimit : 300
% 0.09/0.27  % WCLimit  : 600
% 0.09/0.27  % DateTime : Sat Jun 18 06:02:01 EDT 2022
% 0.09/0.27  % CPUTime  : 
% 0.46/0.77  ============================== Prover9 ===============================
% 0.46/0.77  Prover9 (32) version 2009-11A, November 2009.
% 0.46/0.77  Process 7713 was started by sandbox on n032.cluster.edu,
% 0.46/0.77  Sat Jun 18 06:02:02 2022
% 0.46/0.77  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_7351_n032.cluster.edu".
% 0.46/0.77  ============================== end of head ===========================
% 0.46/0.77  
% 0.46/0.77  ============================== INPUT =================================
% 0.46/0.77  
% 0.46/0.77  % Reading from file /tmp/Prover9_7351_n032.cluster.edu
% 0.46/0.77  
% 0.46/0.77  set(prolog_style_variables).
% 0.46/0.77  set(auto2).
% 0.46/0.77      % set(auto2) -> set(auto).
% 0.46/0.77      % set(auto) -> set(auto_inference).
% 0.46/0.77      % set(auto) -> set(auto_setup).
% 0.46/0.77      % set(auto_setup) -> set(predicate_elim).
% 0.46/0.77      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.46/0.77      % set(auto) -> set(auto_limits).
% 0.46/0.77      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.46/0.77      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.46/0.77      % set(auto) -> set(auto_denials).
% 0.46/0.77      % set(auto) -> set(auto_process).
% 0.46/0.77      % set(auto2) -> assign(new_constants, 1).
% 0.46/0.77      % set(auto2) -> assign(fold_denial_max, 3).
% 0.46/0.77      % set(auto2) -> assign(max_weight, "200.000").
% 0.46/0.77      % set(auto2) -> assign(max_hours, 1).
% 0.46/0.77      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.46/0.77      % set(auto2) -> assign(max_seconds, 0).
% 0.46/0.77      % set(auto2) -> assign(max_minutes, 5).
% 0.46/0.77      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.46/0.77      % set(auto2) -> set(sort_initial_sos).
% 0.46/0.77      % set(auto2) -> assign(sos_limit, -1).
% 0.46/0.77      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.46/0.77      % set(auto2) -> assign(max_megs, 400).
% 0.46/0.77      % set(auto2) -> assign(stats, some).
% 0.46/0.77      % set(auto2) -> clear(echo_input).
% 0.46/0.77      % set(auto2) -> set(quiet).
% 0.46/0.77      % set(auto2) -> clear(print_initial_clauses).
% 0.46/0.77      % set(auto2) -> clear(print_given).
% 0.46/0.77  assign(lrs_ticks,-1).
% 0.46/0.77  assign(sos_limit,10000).
% 0.46/0.77  assign(order,kbo).
% 0.46/0.77  set(lex_order_vars).
% 0.46/0.77  clear(print_given).
% 0.46/0.77  
% 0.46/0.77  % formulas(sos).  % not echoed (32 formulas)
% 0.46/0.77  
% 0.46/0.77  ============================== end of input ==========================
% 0.46/0.77  
% 0.46/0.77  % From the command line: assign(max_seconds, 300).
% 0.46/0.77  
% 0.46/0.77  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.46/0.77  
% 0.46/0.77  % Formulas that are not ordinary clauses:
% 0.46/0.77  1 (all A all L (apart_point_and_line(A,L) <-> left_apart_point(A,L) | left_apart_point(A,reverse_line(L)))) # label(apt_def) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  2 (all L all M (convergent_lines(L,M) <-> unequally_directed_lines(L,M) & unequally_directed_lines(L,reverse_line(M)))) # label(con_def) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  3 (all A all B all L (divides_points(L,A,B) <-> left_apart_point(A,L) & left_apart_point(B,reverse_line(L)) | left_apart_point(A,reverse_line(L)) & left_apart_point(B,L))) # label(div_def) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  4 (all L all A all B (before_on_line(L,A,B) <-> distinct_points(A,B) & -(left_apart_point(A,L) | left_apart_point(A,reverse_line(L))) & -(left_apart_point(B,L) | left_apart_point(B,reverse_line(L))) & -unequally_directed_lines(L,line_connecting(A,B)))) # label(bf_def) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  5 (all L all A all B all C (between_on_line(L,A,B,C) <-> before_on_line(L,A,B) & before_on_line(L,B,C) | before_on_line(L,C,B) & before_on_line(L,B,A))) # label(bet_def) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  6 (all A -distinct_points(A,A)) # label(oag1) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  7 (all A all B all C (distinct_points(A,B) -> distinct_points(A,C) | distinct_points(B,C))) # label(oag2) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  8 (all L -distinct_lines(L,L)) # label(oag3) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  9 (all L all M all N (distinct_lines(L,M) -> distinct_lines(L,N) | distinct_lines(M,N))) # label(oag4) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  10 (all L -unequally_directed_lines(L,L)) # label(oag5) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  11 (all L all M all N (unequally_directed_lines(L,M) -> unequally_directed_lines(L,N) | unequally_directed_lines(M,N))) # label(oag6) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  12 (all L all M all N (unequally_directed_lines(L,M) & unequally_directed_lines(L,reverse_line(M)) -> unequally_directed_lines(L,N) & unequally_directed_lines(L,reverse_line(N)) | unequally_directed_lines(M,N) & unequally_directed_lines(M,reverse_line(N)))) # label(oag7) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  13 (all L all M (line(L) & line(M) -> unequally_directed_lines(L,M) | unequally_directed_lines(L,reverse_line(M)))) # label(oag8) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  14 (all L all M (unequally_directed_lines(L,M) & unequally_directed_lines(L,reverse_line(M)) -> left_convergent_lines(L,M) | left_convergent_lines(L,reverse_line(M)))) # label(oag9) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  15 (all A all L -(left_apart_point(A,L) | left_apart_point(A,reverse_line(L)))) # label(oag10) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  16 (all L all M -(left_convergent_lines(L,M) | left_convergent_lines(L,reverse_line(M)))) # label(oag11) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  17 (all A all B (point(A) & point(B) & distinct_points(A,B) -> line(line_connecting(A,B)))) # label(oagco1) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  18 (all L all M (line(L) & line(M) & unequally_directed_lines(L,M) & unequally_directed_lines(L,reverse_line(M)) -> point(intersection_point(L,M)))) # label(oagco2) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  19 (all L all A (point(A) & line(L) -> line(parallel_through_point(L,A)))) # label(oagco3) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  20 (all L (line(L) -> line(reverse_line(L)))) # label(oagco4) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  21 (all A all B (distinct_points(A,B) -> -apart_point_and_line(A,line_connecting(A,B)) & -apart_point_and_line(B,line_connecting(A,B)))) # label(oagco5) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  22 (all L all M (unequally_directed_lines(L,M) & unequally_directed_lines(L,reverse_line(M)) -> -apart_point_and_line(intersection_point(L,M),L) & -apart_point_and_line(intersection_point(L,M),M))) # label(oagco6) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  23 (all A all L -apart_point_and_line(A,parallel_through_point(L,A))) # label(oagco7) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  24 (all L -distinct_lines(L,reverse_line(L))) # label(oagco8) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  25 (all A all B -unequally_directed_lines(line_connecting(A,B),reverse_line(line_connecting(B,A)))) # label(oagco9) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  26 (all A all L -unequally_directed_lines(parallel_through_point(L,A),L)) # label(oagco10) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  27 (all A all B all L all M (distinct_points(A,B) & distinct_lines(L,M) -> left_apart_point(A,L) | left_apart_point(B,L) | left_apart_point(A,M) | left_apart_point(B,M) | left_apart_point(A,reverse_line(L)) | left_apart_point(B,reverse_line(L)) | left_apart_point(A,reverse_line(M)) | left_apart_point(B,reverse_line(M)))) # label(oaguc1) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  28 (all A all B all L (distinct_points(A,B) & left_apart_point(A,L) -> left_apart_point(B,L) | left_convergent_lines(line_connecting(A,B),L))) # label(oaguc2) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  29 (all A all B all L (left_apart_point(A,L) -> distinct_points(A,B) | left_apart_point(B,L))) # label(oagsub1) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  30 (all A all L all M (left_apart_point(A,L) & unequally_directed_lines(L,M) -> distinct_lines(L,M) | left_apart_point(A,reverse_line(M)))) # label(oagsub2) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  31 (all L all M all N (left_convergent_lines(L,M) -> unequally_directed_lines(M,N) | left_convergent_lines(L,N))) # label(oagsub3) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.77  32 -(all L all M all N all A all B all C (between_on_line(L,A,B,C) & convergent_lines(L,M) & convergent_lines(L,N) & convergent_lines(M,N) -> between_on_line(M,intersection_point(M,parallel_through_point(N,A)),intersection_point(M,parallel_through_point(N,B)),intersection_point(M,parallel_through_point(N,C))))) # label(con) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.46/0.77  
% 0.46/0.77  ============================== end of process non-clausal formulas ===
% 0.46/0.77  
% 0.46/0.77  ============================== PROCESS INITIAL CLAUSES ===============
% 0.46/0.77  
% 0.46/0.77  ============================== PREDICATE ELIMINATION =================
% 0.46/0.77  33 -convergent_lines(A,B) | unequally_directed_lines(A,B) # label(con_def) # label(axiom).  [clausify(2)].
% 0.46/0.77  34 convergent_lines(c1,c2) # label(con) # label(negated_conjecture).  [clausify(32)].
% 0.46/0.77  35 convergent_lines(c1,c3) # label(con) # label(negated_conjecture).  [clausify(32)].
% 0.46/0.77  36 convergent_lines(c2,c3) # label(con) # label(negated_conjecture).  [clausify(32)].
% 0.46/0.77  Derived: unequally_directed_lines(c1,c2).  [resolve(33,a,34,a)].
% 0.46/0.77  Derived: unequally_directed_lines(c1,c3).  [resolve(33,a,35,a)].
% 0.46/0.77  Derived: unequally_directed_lines(c2,c3).  [resolve(33,a,36,a)].
% 0.46/0.77  37 -convergent_lines(A,B) | unequally_directed_lines(A,reverse_line(B)) # label(con_def) # label(axiom).  [clausify(2)].
% 0.46/0.77  Derived: unequally_directed_lines(c1,reverse_line(c2)).  [resolve(37,a,34,a)].
% 0.46/0.77  Derived: unequally_directed_lines(c1,reverse_line(c3)).  [resolve(37,a,35,a)].
% 0.46/0.77  Derived: unequally_directed_lines(c2,reverse_line(c3)).  [resolve(37,a,36,a)].
% 0.46/0.77  38 convergent_lines(A,B) | -unequally_directed_lines(A,B) | -unequally_directed_lines(A,reverse_line(B)) # label(con_def) # label(axiom).  [clausify(2)].
% 0.46/0.77  39 -between_on_line(c2,intersection_point(c2,parallel_through_point(c3,c4)),intersection_point(c2,parallel_through_point(c3,c5)),intersection_point(c2,parallel_through_point(c3,c6))) # label(con) # label(negated_conjecture).  [clausify(32)].
% 0.46/0.77  40 between_on_line(c1,c4,c5,c6) # label(con) # label(negated_conjecture).  [clausify(32)].
% 0.46/0.77  41 -between_on_line(A,B,C,D) | before_on_line(A,B,C) | before_on_line(A,D,C) # label(bet_def) # label(axiom).  [clausify(5)].
% 0.46/0.77  Derived: before_on_line(c1,c4,c5) | before_on_line(c1,c6,c5).  [resolve(41,a,40,a)].
% 0.46/0.77  42 -between_on_line(A,B,C,D) | before_on_line(A,B,C) | before_on_line(A,C,B) # label(bet_def) # label(axiom).  [clausify(5)].
% 0.46/0.77  Derived: before_on_line(c1,c4,c5) | before_on_line(c1,c5,c4).  [resolve(42,a,40,a)].
% 0.46/0.77  43 -between_on_line(A,B,C,D) | before_on_line(A,C,D) | before_on_line(A,D,C) # label(bet_def) # label(axiom).  [clausify(5)].
% 0.46/0.77  Derived: before_on_line(c1,c5,c6) | before_on_line(c1,c6,c5).  [resolve(43,a,40,a)].
% 0.46/0.77  44 -between_on_line(A,B,C,D) | before_on_line(A,C,D) | before_on_line(A,C,B) # label(bet_def) # label(axiom).  [clausify(5)].
% 0.46/0.77  Derived: before_on_line(c1,c5,c6) | before_on_line(c1,c5,c4).  [resolve(44,a,40,a)].
% 0.46/0.77  45 between_on_line(A,B,C,D) | -before_on_line(A,B,C) | -before_on_line(A,C,D) # label(bet_def) # label(axiom).  [clausify(5)].
% 0.46/0.77  Derived: -before_on_line(c2,intersection_point(c2,parallel_through_point(c3,c4)),intersection_point(c2,parallel_through_point(c3,c5))) | -before_on_line(c2,intersection_point(c2,parallel_through_point(c3,c5)),intersection_point(c2,parallel_through_point(c3,c6))).  [resolve(45,a,39,a)].
% 0.46/0.77  46 between_on_line(A,B,C,D) | -before_on_line(A,D,C) | -before_on_line(A,C,B) # label(bet_def) # label(axiom).  [clausify(5)].
% 0.46/0.77  Derived: -before_on_line(c2,intersection_point(c2,parallel_through_point(c3,c6)),intersection_point(c2,parallel_through_point(c3,c5))) | -before_on_line(c2,intersection_point(c2,parallel_through_point(c3,c5)),intersection_point(c2,parallel_through_point(c3,c4))).  [resolve(46,a,39,a)].
% 0.46/0.77  47 apart_point_and_line(A,B) | -left_apart_point(A,B) # label(apt_def) # label(axiom).  [clausify(1)].
% 0.46/0.77  48 -apart_point_and_line(A,parallel_through_point(B,A)) # label(oagco7) # label(axiom).  [clausify(23)].
% 0.46/0.77  49 -distinct_points(A,B) | -apart_point_and_line(A,line_connecting(A,B)) # label(oagco5) # label(axiom).  [clausify(21)].
% 0.46/0.77  50 -distinct_points(A,B) | -apart_point_and_line(B,line_connecting(A,B)) # label(oagco5) # label(axiom).  [clausify(21)].
% 0.46/0.77  51 -unequally_directed_lines(A,B) | -unequally_directed_lines(A,reverse_line(B)) | -apart_point_and_line(intersection_point(A,B),A) # label(oagco6) # label(axiom).  [clausify(22)].
% 0.46/0.77  52 -unequally_directed_lines(A,B) | -unequally_directed_lines(A,reverse_line(B)) | -apart_point_and_line(intersection_point(A,B),B) # label(oagco6) # label(axiom).  [clausify(22)].
% 0.46/0.78  Derived: -left_apart_point(A,parallel_through_point(B,A)).  [resolve(47,a,48,a)].
% 0.46/0.78  Derived: -left_apart_point(A,line_connecting(A,B)) | -distinct_points(A,B).  [resolve(47,a,49,b)].
% 0.46/0.78  Derived: -left_apart_point(A,line_connecting(B,A)) | -distinct_points(B,A).  [resolve(47,a,50,b)].
% 0.46/0.78  Derived: -left_apart_point(intersection_point(A,B),A) | -unequally_directed_lines(A,B) | -unequally_directed_lines(A,reverse_line(B)).  [resolve(47,a,51,c)].
% 0.46/0.78  Derived: -left_apart_point(intersection_point(A,B),B) | -unequally_directed_lines(A,B) | -unequally_directed_lines(A,reverse_line(B)).  [resolve(47,a,52,c)].
% 0.46/0.78  53 apart_point_and_line(A,B) | -left_apart_point(A,reverse_line(B)) # label(apt_def) # label(axiom).  [clausify(1)].
% 0.46/0.78  Derived: -left_apart_point(A,reverse_line(parallel_through_point(B,A))).  [resolve(53,a,48,a)].
% 0.46/0.78  Derived: -left_apart_point(A,reverse_line(line_connecting(A,B))) | -distinct_points(A,B).  [resolve(53,a,49,b)].
% 0.46/0.78  Derived: -left_apart_point(A,reverse_line(line_connecting(B,A))) | -distinct_points(B,A).  [resolve(53,a,50,b)].
% 0.46/0.78  Derived: -left_apart_point(intersection_point(A,B),reverse_line(A)) | -unequally_directed_lines(A,B) | -unequally_directed_lines(A,reverse_line(B)).  [resolve(53,a,51,c)].
% 0.46/0.78  Derived: -left_apart_point(intersection_point(A,B),reverse_line(B)) | -unequally_directed_lines(A,B) | -unequally_directed_lines(A,reverse_line(B)).  [resolve(53,a,52,c)].
% 0.46/0.78  54 -apart_point_and_line(A,B) | left_apart_point(A,B) | left_apart_point(A,reverse_line(B)) # label(apt_def) # label(axiom).  [clausify(1)].
% 0.46/0.78  55 divides_points(A,B,C) | -left_apart_point(B,A) | -left_apart_point(C,reverse_line(A)) # label(div_def) # label(axiom).  [clausify(3)].
% 0.46/0.78  56 -divides_points(A,B,C) | left_apart_point(B,A) | left_apart_point(C,A) # label(div_def) # label(axiom).  [clausify(3)].
% 0.46/0.78  57 -divides_points(A,B,C) | left_apart_point(B,A) | left_apart_point(B,reverse_line(A)) # label(div_def) # label(axiom).  [clausify(3)].
% 0.46/0.78  58 -divides_points(A,B,C) | left_apart_point(C,reverse_line(A)) | left_apart_point(C,A) # label(div_def) # label(axiom).  [clausify(3)].
% 0.46/0.78  59 divides_points(A,B,C) | -left_apart_point(B,reverse_line(A)) | -left_apart_point(C,A) # label(div_def) # label(axiom).  [clausify(3)].
% 0.46/0.78  60 -divides_points(A,B,C) | left_apart_point(C,reverse_line(A)) | left_apart_point(B,reverse_line(A)) # label(div_def) # label(axiom).  [clausify(3)].
% 0.46/0.78  
% 0.46/0.78  ============================== end predicate elimination =============
% 0.46/0.78  
% 0.46/0.78  Auto_denials:  (non-Horn, no changes).
% 0.46/0.78  
% 0.46/0.78  Term ordering decisions:
% 0.46/0.78  
% 0.46/0.78  % Assigning unary symbol reverse_line kb_weight 0 and highest precedence (18).
% 0.46/0.78  Function symbol KB weights:  c1=1. c2=1. c3=1. c4=1. c5=1. c6=1. line_connecting=1. intersection_point=1. parallel_through_point=1. reverse_line=0.
% 0.46/0.78  
% 0.46/0.78  ============================== end of process initial clauses ========
% 0.46/0.78  
% 0.46/0.78  ============================== CLAUSES FOR SEARCH ====================
% 0.46/0.78  
% 0.46/0.78  ============================== end of clauses for search =============
% 0.46/0.78  
% 0.46/0.78  ============================== SEARCH ================================
% 0.46/0.78  
% 0.46/0.78  % Starting search at 0.02 seconds.
% 0.46/0.78  
% 0.46/0.78  ============================== PROOF =================================
% 0.46/0.78  % SZS status Theorem
% 0.46/0.78  % SZS output start Refutation
% 0.46/0.78  
% 0.46/0.78  % Proof 1 at 0.02 (+ 0.00) seconds.
% 0.46/0.78  % Length of proof is 13.
% 0.46/0.78  % Level of proof is 3.
% 0.46/0.78  % Maximum clause weight is 7.000.
% 0.46/0.78  % Given clauses 21.
% 0.46/0.78  
% 0.46/0.78  2 (all L all M (convergent_lines(L,M) <-> unequally_directed_lines(L,M) & unequally_directed_lines(L,reverse_line(M)))) # label(con_def) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.78  14 (all L all M (unequally_directed_lines(L,M) & unequally_directed_lines(L,reverse_line(M)) -> left_convergent_lines(L,M) | left_convergent_lines(L,reverse_line(M)))) # label(oag9) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.78  16 (all L all M -(left_convergent_lines(L,M) | left_convergent_lines(L,reverse_line(M)))) # label(oag11) # label(axiom) # label(non_clause).  [assumption].
% 0.46/0.78  32 -(all L all M all N all A all B all C (between_on_line(L,A,B,C) & convergent_lines(L,M) & convergent_lines(L,N) & convergent_lines(M,N) -> between_on_line(M,intersection_point(M,parallel_through_point(N,A)),intersection_point(M,parallel_through_point(N,B)),intersection_point(M,parallel_through_point(N,C))))) # label(con) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.46/0.78  33 -convergent_lines(A,B) | unequally_directed_lines(A,B) # label(con_def) # label(axiom).  [clausify(2)].
% 0.46/0.78  34 convergent_lines(c1,c2) # label(con) # label(negated_conjecture).  [clausify(32)].
% 0.46/0.78  37 -convergent_lines(A,B) | unequally_directed_lines(A,reverse_line(B)) # label(con_def) # label(axiom).  [clausify(2)].
% 0.46/0.78  65 -left_convergent_lines(A,B) # label(oag11) # label(axiom).  [clausify(16)].
% 0.46/0.78  83 -unequally_directed_lines(A,B) | -unequally_directed_lines(A,reverse_line(B)) | left_convergent_lines(A,B) | left_convergent_lines(A,reverse_line(B)) # label(oag9) # label(axiom).  [clausify(14)].
% 0.46/0.78  84 -unequally_directed_lines(A,B) | -unequally_directed_lines(A,reverse_line(B)).  [copy(83),unit_del(c,65),unit_del(d,65)].
% 0.46/0.78  90 unequally_directed_lines(c1,c2).  [resolve(33,a,34,a)].
% 0.46/0.78  93 unequally_directed_lines(c1,reverse_line(c2)).  [resolve(37,a,34,a)].
% 0.46/0.78  111 $F.  [ur(84,a,90,a),unit_del(a,93)].
% 0.46/0.78  
% 0.46/0.78  % SZS output end Refutation
% 0.46/0.78  ============================== end of proof ==========================
% 0.46/0.78  
% 0.46/0.78  ============================== STATISTICS ============================
% 0.46/0.78  
% 0.46/0.78  Given=21. Generated=79. Kept=43. proofs=1.
% 0.46/0.78  Usable=21. Sos=19. Demods=0. Limbo=1, Disabled=87. Hints=0.
% 0.46/0.78  Megabytes=0.13.
% 0.46/0.78  User_CPU=0.02, System_CPU=0.00, Wall_clock=0.
% 0.46/0.78  
% 0.46/0.78  ============================== end of statistics =====================
% 0.46/0.78  
% 0.46/0.78  ============================== end of search =========================
% 0.46/0.78  
% 0.46/0.78  THEOREM PROVED
% 0.46/0.78  % SZS status Theorem
% 0.46/0.78  
% 0.46/0.78  Exiting with 1 proof.
% 0.46/0.78  
% 0.46/0.78  Process 7713 exit (max_proofs) Sat Jun 18 06:02:02 2022
% 0.46/0.78  Prover9 interrupted
%------------------------------------------------------------------------------