TSTP Solution File: GEO124+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GEO124+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n006.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 05:54:11 EDT 2022

% Result   : Theorem 1.68s 1.94s
% Output   : Refutation 1.68s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.14  % Problem  : GEO124+1 : TPTP v8.1.0. Released v2.4.0.
% 0.08/0.15  % Command  : tptp2X_and_run_prover9 %d %s
% 0.16/0.36  % Computer : n006.cluster.edu
% 0.16/0.36  % Model    : x86_64 x86_64
% 0.16/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.36  % Memory   : 8042.1875MB
% 0.16/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.36  % CPULimit : 300
% 0.16/0.36  % WCLimit  : 600
% 0.16/0.36  % DateTime : Sat Jun 18 12:39:55 EDT 2022
% 0.16/0.37  % CPUTime  : 
% 0.94/1.19  ============================== Prover9 ===============================
% 0.94/1.19  Prover9 (32) version 2009-11A, November 2009.
% 0.94/1.19  Process 13904 was started by sandbox on n006.cluster.edu,
% 0.94/1.19  Sat Jun 18 12:39:56 2022
% 0.94/1.19  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_13751_n006.cluster.edu".
% 0.94/1.19  ============================== end of head ===========================
% 0.94/1.19  
% 0.94/1.19  ============================== INPUT =================================
% 0.94/1.19  
% 0.94/1.19  % Reading from file /tmp/Prover9_13751_n006.cluster.edu
% 0.94/1.19  
% 0.94/1.19  set(prolog_style_variables).
% 0.94/1.19  set(auto2).
% 0.94/1.19      % set(auto2) -> set(auto).
% 0.94/1.19      % set(auto) -> set(auto_inference).
% 0.94/1.19      % set(auto) -> set(auto_setup).
% 0.94/1.19      % set(auto_setup) -> set(predicate_elim).
% 0.94/1.19      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.94/1.19      % set(auto) -> set(auto_limits).
% 0.94/1.19      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.94/1.19      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.94/1.19      % set(auto) -> set(auto_denials).
% 0.94/1.19      % set(auto) -> set(auto_process).
% 0.94/1.19      % set(auto2) -> assign(new_constants, 1).
% 0.94/1.19      % set(auto2) -> assign(fold_denial_max, 3).
% 0.94/1.19      % set(auto2) -> assign(max_weight, "200.000").
% 0.94/1.19      % set(auto2) -> assign(max_hours, 1).
% 0.94/1.19      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.94/1.19      % set(auto2) -> assign(max_seconds, 0).
% 0.94/1.19      % set(auto2) -> assign(max_minutes, 5).
% 0.94/1.19      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.94/1.19      % set(auto2) -> set(sort_initial_sos).
% 0.94/1.19      % set(auto2) -> assign(sos_limit, -1).
% 0.94/1.19      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.94/1.19      % set(auto2) -> assign(max_megs, 400).
% 0.94/1.19      % set(auto2) -> assign(stats, some).
% 0.94/1.19      % set(auto2) -> clear(echo_input).
% 0.94/1.19      % set(auto2) -> set(quiet).
% 0.94/1.19      % set(auto2) -> clear(print_initial_clauses).
% 0.94/1.19      % set(auto2) -> clear(print_given).
% 0.94/1.19  assign(lrs_ticks,-1).
% 0.94/1.19  assign(sos_limit,10000).
% 0.94/1.19  assign(order,kbo).
% 0.94/1.19  set(lex_order_vars).
% 0.94/1.19  clear(print_given).
% 0.94/1.19  
% 0.94/1.19  % formulas(sos).  % not echoed (28 formulas)
% 0.94/1.19  
% 0.94/1.19  ============================== end of input ==========================
% 0.94/1.19  
% 0.94/1.19  % From the command line: assign(max_seconds, 300).
% 0.94/1.19  
% 0.94/1.19  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.94/1.19  
% 0.94/1.19  % Formulas that are not ordinary clauses:
% 0.94/1.19  1 (all C all C1 (part_of(C1,C) <-> (all P (incident_c(P,C1) -> incident_c(P,C))))) # label(part_of_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  2 (all C all C1 all C2 (C = sum(C1,C2) <-> (all Q (incident_c(Q,C) <-> incident_c(Q,C1) | incident_c(Q,C2))))) # label(sum_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  3 (all P all C (end_point(P,C) <-> incident_c(P,C) & (all C1 all C2 (part_of(C1,C) & part_of(C2,C) & incident_c(P,C1) & incident_c(P,C2) -> part_of(C1,C2) | part_of(C2,C1))))) # label(end_point_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  4 (all P all C (inner_point(P,C) <-> incident_c(P,C) & -end_point(P,C))) # label(inner_point_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  5 (all P all C all C1 (meet(P,C,C1) <-> incident_c(P,C) & incident_c(P,C1) & (all Q (incident_c(Q,C) & incident_c(Q,C1) -> end_point(Q,C) & end_point(Q,C1))))) # label(meet_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  6 (all C (closed(C) <-> -(exists P end_point(P,C)))) # label(closed_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  7 (all C (open(C) <-> (exists P end_point(P,C)))) # label(open_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  8 (all C all C1 (part_of(C1,C) & C1 != C -> open(C1))) # label(c1) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  9 (all C all C1 all C2 all C3 (part_of(C1,C) & part_of(C2,C) & part_of(C3,C) & (exists P (end_point(P,C1) & end_point(P,C2) & end_point(P,C3))) -> part_of(C2,C3) | part_of(C3,C2) | part_of(C1,C2) | part_of(C2,C1) | part_of(C1,C3) | part_of(C3,C1))) # label(c2) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  10 (all C exists P inner_point(P,C)) # label(c3) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  11 (all C all P (inner_point(P,C) -> (exists C1 exists C2 (meet(P,C1,C2) & C = sum(C1,C2))))) # label(c4) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  12 (all C all P all Q all R (end_point(P,C) & end_point(Q,C) & end_point(R,C) -> P = Q | P = R | Q = R)) # label(c5) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  13 (all C all P (end_point(P,C) -> (exists Q (end_point(Q,C) & P != Q)))) # label(c6) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  14 (all C all C1 all C2 all P (closed(C) & meet(P,C1,C2) & C = sum(C1,C2) -> (all Q (end_point(Q,C1) -> meet(Q,C1,C2))))) # label(c7) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  15 (all C1 all C2 ((exists P meet(P,C1,C2)) -> (exists C C = sum(C1,C2)))) # label(c8) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  16 (all C all C1 ((all P (incident_c(P,C) <-> incident_c(P,C1))) -> C = C1)) # label(c9) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  17 (all C all P all Q all R (between_c(C,P,Q,R) <-> P != R & (exists Cpp (part_of(Cpp,C) & end_point(P,Cpp) & end_point(R,Cpp) & inner_point(Q,Cpp))))) # label(between_c_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  18 (all O all P all Q all R (between_o(O,P,Q,R) <-> ordered_by(O,P,Q) & ordered_by(O,Q,R) | ordered_by(O,R,Q) & ordered_by(O,Q,P))) # label(between_o_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  19 (all P all O (start_point(P,O) <-> incident_o(P,O) & (all Q (P != Q & incident_o(Q,O) -> ordered_by(O,P,Q))))) # label(start_point_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  20 (all P all O (finish_point(P,O) <-> incident_o(P,O) & (all Q (P != Q & incident_o(Q,O) -> ordered_by(O,Q,P))))) # label(finish_point_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  21 (all O all P all Q (ordered_by(O,P,Q) -> incident_o(P,O) & incident_o(Q,O))) # label(o1) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  22 (all O exists C (open(C) & (all P (incident_o(P,O) <-> incident_c(P,C))))) # label(o2) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  23 (all P all Q all R all O (between_o(O,P,Q,R) <-> (exists C ((all P (incident_o(P,O) <-> incident_c(P,C))) & between_c(C,P,Q,R))))) # label(o3) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  24 (all O exists P start_point(P,O)) # label(o4) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  25 (all P all Q all C (open(C) & P != Q & incident_c(P,C) & incident_c(Q,C) -> (exists O ((all R (incident_o(R,O) <-> incident_c(R,C))) & ordered_by(O,P,Q))))) # label(o5) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  26 (all O1 all O2 ((all P all Q (ordered_by(O1,P,Q) <-> ordered_by(O2,P,Q))) -> O1 = O2)) # label(o6) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  27 (all C all O (C = underlying_curve(O) <-> (all P (incident_o(P,O) <-> incident_c(P,C))))) # label(underlying_curve_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.94/1.19  28 -(all O all P all Q (start_point(P,O) & start_point(Q,O) -> P = Q)) # label(corollary_4_10_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.94/1.19  
% 0.94/1.19  ============================== end of process non-clausal formulas ===
% 0.94/1.19  
% 0.94/1.19  ============================== PROCESS INITIAL CLAUSES ===============
% 0.94/1.19  
% 0.94/1.19  ============================== PREDICATE ELIMINATION =================
% 0.94/1.19  29 -open(A) | end_point(f7(A),A) # label(open_defn) # label(axiom).  [clausify(7)].
% 0.94/1.19  30 open(f17(A)) # label(o2) # label(axiom).  [clausify(22)].
% 0.94/1.19  31 open(A) | -end_point(B,A) # label(open_defn) # label(axiom).  [clausify(7)].
% 0.94/1.19  Derived: end_point(f7(f17(A)),f17(A)).  [resolve(29,a,30,a)].
% 0.94/1.19  Derived: end_point(f7(A),A) | -end_point(B,A).  [resolve(29,a,31,a)].
% 0.94/1.19  32 -part_of(A,B) | A = B | open(A) # label(c1) # label(axiom).  [clausify(8)].
% 0.94/1.19  Derived: -part_of(A,B) | A = B | end_point(f7(A),A).  [resolve(32,c,29,a)].
% 0.94/1.19  33 -open(A) | B = C | -incident_c(C,A) | -incident_c(B,A) | ordered_by(f21(C,B,A),C,B) # label(o5) # label(axiom).  [clausify(25)].
% 0.94/1.19  Derived: A = B | -incident_c(B,f17(C)) | -incident_c(A,f17(C)) | ordered_by(f21(B,A,f17(C)),B,A).  [resolve(33,a,30,a)].
% 0.94/1.19  Derived: A = B | -incident_c(B,C) | -incident_c(A,C) | ordered_by(f21(B,A,C),B,A) | -end_point(D,C).  [resolve(33,a,31,a)].
% 0.94/1.19  Derived: A = B | -incident_c(B,C) | -incident_c(A,C) | ordered_by(f21(B,A,C),B,A) | -part_of(C,D) | C = D.  [resolve(33,a,32,c)].
% 0.94/1.19  34 -open(A) | B = C | -incident_c(C,A) | -incident_c(B,A) | -incident_o(D,f21(C,B,A)) | incident_c(D,A) # label(o5) # label(axiom).  [clausify(25)].
% 0.94/1.19  Derived: A = B | -incident_c(B,f17(C)) | -incident_c(A,f17(C)) | -incident_o(D,f21(B,A,f17(C))) | incident_c(D,f17(C)).  [resolve(34,a,30,a)].
% 0.94/1.19  Derived: A = B | -incident_c(B,C) | -incident_c(A,C) | -incident_o(D,f21(B,A,C)) | incident_c(D,C) | -end_point(E,C).  [resolve(34,a,31,a)].
% 0.94/1.19  Derived: A = B | -incident_c(B,C) | -incident_c(A,C) | -incident_o(D,f21(B,A,C)) | incident_c(D,C) | -part_of(C,E) | C = E.  [resolve(34,a,32,c)].
% 0.94/1.19  35 -open(A) | B = C | -incident_c(C,A) | -incident_c(B,A) | incident_o(D,f21(C,B,A)) | -incident_c(D,A) # label(o5) # label(axiom).  [clausify(25)].
% 0.94/1.19  Derived: A = B | -incident_c(B,f17(C)) | -incident_c(A,f17(C)) | incident_o(D,f21(B,A,f17(C))) | -incident_c(D,f17(C)).  [resolve(35,a,30,a)].
% 0.94/1.19  Derived: A = B | -incident_c(B,C) | -incident_c(A,C) | incident_o(D,f21(B,A,C)) | -incident_c(D,C) | -end_point(E,C).  [resolve(35,a,31,a)].
% 0.94/1.19  Derived: A = B | -incident_c(B,C) | -incident_c(A,C) | incident_o(D,f21(B,A,C)) | -incident_c(D,C) | -part_of(C,E) | C = E.  [resolve(35,a,32,c)].
% 0.94/1.19  36 -start_point(A,B) | incident_o(A,B) # label(start_point_defn) # label(axiom).  [clausify(19)].
% 0.94/1.19  37 start_point(c11,c10) # label(corollary_4_10_1) # label(negated_conjecture).  [clausify(28)].
% 0.94/1.19  38 start_point(c12,c10) # label(corollary_4_10_1) # label(negated_conjecture).  [clausify(28)].
% 0.94/1.19  39 start_point(f20(A),A) # label(o4) # label(axiom).  [clausify(24)].
% 0.94/1.19  Derived: incident_o(c11,c10).  [resolve(36,a,37,a)].
% 0.94/1.19  Derived: incident_o(c12,c10).  [resolve(36,a,38,a)].
% 0.94/1.19  Derived: incident_o(f20(A),A).  [resolve(36,a,39,a)].
% 0.94/1.19  40 start_point(A,B) | -incident_o(A,B) | f15(A,B) != A # label(start_point_defn) # label(axiom).  [clausify(19)].
% 0.94/1.19  41 start_point(A,B) | -incident_o(A,B) | incident_o(f15(A,B),B) # label(start_point_defn) # label(axiom).  [clausify(19)].
% 0.94/1.19  42 start_point(A,B) | -incident_o(A,B) | -ordered_by(B,A,f15(A,B)) # label(start_point_defn) # label(axiom).  [clausify(19)].
% 0.94/1.19  43 -start_point(A,B) | C = A | -incident_o(C,B) | ordered_by(B,A,C) # label(start_point_defn) # label(axiom).  [clausify(19)].
% 0.94/1.19  Derived: A = c11 | -incident_o(A,c10) | ordered_by(c10,c11,A).  [resolve(43,a,37,a)].
% 0.94/1.19  Derived: A = c12 | -incident_o(A,c10) | ordered_by(c10,c12,A).  [resolve(43,a,38,a)].
% 0.94/1.19  Derived: A = f20(B) | -incident_o(A,B) | ordered_by(B,f20(B),A).  [resolve(43,a,39,a)].
% 0.94/1.19  Derived: A = B | -incident_o(A,C) | ordered_by(C,B,A) | -incident_o(B,C) | f15(B,C) != B.  [resolve(43,a,40,a)].
% 0.94/1.19  Derived: A = B | -incident_o(A,C) | ordered_by(C,B,A) | -incident_o(B,C) | incident_o(f15(B,C),C).  [resolve(43,a,41,a)].
% 0.94/1.19  Derived: A = B | -incident_o(A,C) | ordered_by(C,B,A) | -incident_o(B,C) | -ordered_by(C,B,f15(B,C)).  [resolve(43,a,42,a)].
% 0.94/1.19  44 -inner_point(A,B) | -end_point(A,B) # label(inner_point_defn) # label(axiom).  [clausify(4)].
% 0.94/1.19  45 inner_point(f8(A),A) # label(c3) # label(axiom).  [clausify(10)].
% 0.94/1.19  Derived: -end_point(f8(A),A).  [resolve(44,a,45,a)].
% 0.94/1.19  46 -inner_point(A,B) | incident_c(A,B) # label(inner_point_defn) # label(axiom).  [clausify(4)].
% 0.94/1.19  Derived: incident_c(f8(A),A).  [resolve(46,a,45,a)].
% 0.94/1.19  47 inner_point(A,B) | -incident_c(A,B) | end_point(A,B) # label(inner_point_defn) # label(axiom).  [clausify(4)].
% 0.94/1.19  48 -inner_point(A,B) | meet(A,f9(B,A),f10(B,A)) # label(c4) # label(axiom).  [clausify(11)].
% 0.94/1.19  Derived: meet(f8(A),f9(A,f8(A)),f10(A,f8(A))).  [resolve(48,a,45,a)].
% 0.94/1.19  Derived: meet(A,f9(B,A),f10(B,A)) | -incident_c(A,B) | end_point(A,B).  [resolve(48,a,47,a)].
% 0.94/1.19  49 -inner_point(A,B) | sum(f9(B,A),f10(B,A)) = B # label(c4) # label(axiom).  [clausify(11)].
% 0.94/1.19  Derived: sum(f9(A,f8(A)),f10(A,f8(A))) = A.  [resolve(49,a,45,a)].
% 0.94/1.19  Derived: sum(f9(A,B),f10(A,B)) = A | -incident_c(B,A) | end_point(B,A).  [resolve(49,a,47,a)].
% 0.94/1.19  50 -between_c(A,B,C,D) | inner_point(C,f14(A,B,C,D)) # label(between_c_defn) # label(axiom).  [clausify(17)].
% 0.94/1.19  Derived: -between_c(A,B,C,D) | -end_point(C,f14(A,B,C,D)).  [resolve(50,b,44,a)].
% 0.94/1.19  Derived: -between_c(A,B,C,D) | incident_c(C,f14(A,B,C,D)).  [resolve(50,b,46,a)].
% 0.94/1.19  Derived: -between_c(A,B,C,D) | meet(C,f9(f14(A,B,C,D),C),f10(f14(A,B,C,D),C)).  [resolve(50,b,48,a)].
% 0.94/1.20  Derived: -between_c(A,B,C,D) | sum(f9(f14(A,B,C,D),C),f10(f14(A,B,C,D),C)) = f14(A,B,C,D).  [resolve(50,b,49,a)].
% 0.94/1.20  51 between_c(A,B,C,D) | D = B | -part_of(E,A) | -end_point(B,E) | -end_point(D,E) | -inner_point(C,E) # label(between_c_defn) # label(axiom).  [clausify(17)].
% 0.94/1.20  Derived: between_c(A,B,f8(C),D) | D = B | -part_of(C,A) | -end_point(B,C) | -end_point(D,C).  [resolve(51,f,45,a)].
% 0.94/1.20  Derived: between_c(A,B,C,D) | D = B | -part_of(E,A) | -end_point(B,E) | -end_point(D,E) | -incident_c(C,E) | end_point(C,E).  [resolve(51,f,47,a)].
% 0.94/1.20  Derived: between_c(A,B,C,D) | D = B | -part_of(f14(E,F,C,V6),A) | -end_point(B,f14(E,F,C,V6)) | -end_point(D,f14(E,F,C,V6)) | -between_c(E,F,C,V6).  [resolve(51,f,50,b)].
% 0.94/1.20  52 -closed(A) | -end_point(B,A) # label(closed_defn) # label(axiom).  [clausify(6)].
% 0.94/1.20  53 closed(A) | end_point(f6(A),A) # label(closed_defn) # label(axiom).  [clausify(6)].
% 0.94/1.20  Derived: -end_point(A,B) | end_point(f6(B),B).  [resolve(52,a,53,a)].
% 0.94/1.20  54 -closed(A) | -meet(B,C,D) | sum(C,D) != A | -end_point(E,C) | meet(E,C,D) # label(c7) # label(axiom).  [clausify(14)].
% 0.94/1.20  Derived: -meet(A,B,C) | sum(B,C) != D | -end_point(E,B) | meet(E,B,C) | end_point(f6(D),D).  [resolve(54,a,53,a)].
% 0.94/1.20  55 finish_point(A,B) | -incident_o(A,B) | f16(A,B) != A # label(finish_point_defn) # label(axiom).  [clausify(20)].
% 0.94/1.20  56 -finish_point(A,B) | incident_o(A,B) # label(finish_point_defn) # label(axiom).  [clausify(20)].
% 0.94/1.20  57 finish_point(A,B) | -incident_o(A,B) | incident_o(f16(A,B),B) # label(finish_point_defn) # label(axiom).  [clausify(20)].
% 0.94/1.20  58 finish_point(A,B) | -incident_o(A,B) | -ordered_by(B,f16(A,B),A) # label(finish_point_defn) # label(axiom).  [clausify(20)].
% 0.94/1.20  59 -finish_point(A,B) | C = A | -incident_o(C,B) | ordered_by(B,C,A) # label(finish_point_defn) # label(axiom).  [clausify(20)].
% 0.94/1.20  Derived: A = B | -incident_o(A,C) | ordered_by(C,A,B) | -incident_o(B,C) | f16(B,C) != B.  [resolve(59,a,55,a)].
% 0.94/1.20  Derived: A = B | -incident_o(A,C) | ordered_by(C,A,B) | -incident_o(B,C) | incident_o(f16(B,C),C).  [resolve(59,a,57,a)].
% 0.94/1.20  Derived: A = B | -incident_o(A,C) | ordered_by(C,A,B) | -incident_o(B,C) | -ordered_by(C,f16(B,C),B).  [resolve(59,a,58,a)].
% 0.94/1.20  60 between_o(A,B,C,D) | -ordered_by(A,B,C) | -ordered_by(A,C,D) # label(between_o_defn) # label(axiom).  [clausify(18)].
% 0.94/1.20  61 -between_o(A,B,C,D) | ordered_by(A,B,C) | ordered_by(A,D,C) # label(between_o_defn) # label(axiom).  [clausify(18)].
% 0.94/1.20  62 -between_o(A,B,C,D) | ordered_by(A,B,C) | ordered_by(A,C,B) # label(between_o_defn) # label(axiom).  [clausify(18)].
% 0.94/1.20  63 -between_o(A,B,C,D) | ordered_by(A,C,D) | ordered_by(A,D,C) # label(between_o_defn) # label(axiom).  [clausify(18)].
% 0.94/1.20  64 -between_o(A,B,C,D) | ordered_by(A,C,D) | ordered_by(A,C,B) # label(between_o_defn) # label(axiom).  [clausify(18)].
% 0.94/1.20  65 between_o(A,B,C,D) | -ordered_by(A,D,C) | -ordered_by(A,C,B) # label(between_o_defn) # label(axiom).  [clausify(18)].
% 0.94/1.20  66 -between_o(A,B,C,D) | between_c(f18(B,C,D,A),B,C,D) # label(o3) # label(axiom).  [clausify(23)].
% 0.94/1.20  Derived: between_c(f18(A,B,C,D),A,B,C) | -ordered_by(D,A,B) | -ordered_by(D,B,C).  [resolve(66,a,60,a)].
% 0.94/1.20  Derived: between_c(f18(A,B,C,D),A,B,C) | -ordered_by(D,C,B) | -ordered_by(D,B,A).  [resolve(66,a,65,a)].
% 0.94/1.20  67 -between_o(A,B,C,D) | -incident_o(E,A) | incident_c(E,f18(B,C,D,A)) # label(o3) # label(axiom).  [clausify(23)].
% 0.94/1.20  Derived: -incident_o(A,B) | incident_c(A,f18(C,D,E,B)) | -ordered_by(B,C,D) | -ordered_by(B,D,E).  [resolve(67,a,60,a)].
% 0.94/1.20  Derived: -incident_o(A,B) | incident_c(A,f18(C,D,E,B)) | -ordered_by(B,E,D) | -ordered_by(B,D,C).  [resolve(67,a,65,a)].
% 0.94/1.20  68 -between_o(A,B,C,D) | incident_o(E,A) | -incident_c(E,f18(B,C,D,A)) # label(o3) # label(axiom).  [clausify(23)].
% 0.94/1.20  Derived: incident_o(A,B) | -incident_c(A,f18(C,D,E,B)) | -ordered_by(B,C,D) | -ordered_by(B,D,E).  [resolve(68,a,60,a)].
% 0.94/1.20  Derived: incident_o(A,B) | -incident_c(A,f18(C,D,E,B)) | -ordered_by(B,E,D) | -ordered_by(B,D,C).  [resolve(68,a,65,a)].
% 0.94/1.20  69 between_o(A,B,C,D) | incident_o(f19(B,C,D,A,E),A) | incident_c(f19(B,C,D,A,E),E) | -between_c(E,B,C,D) # label(o3) # label(axiom).  [clausify(23)].
% 0.94/1.20  Derived: incident_o(f19(A,B,C,D,E),D) | incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | ordered_by(D,A,B) | ordered_by(D,C,B).  [resolve(69,a,61,a)].
% 1.68/1.93  Derived: incident_o(f19(A,B,C,D,E),D) | incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | ordered_by(D,A,B) | ordered_by(D,B,A).  [resolve(69,a,62,a)].
% 1.68/1.93  Derived: incident_o(f19(A,B,C,D,E),D) | incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | ordered_by(D,B,C) | ordered_by(D,C,B).  [resolve(69,a,63,a)].
% 1.68/1.93  Derived: incident_o(f19(A,B,C,D,E),D) | incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | ordered_by(D,B,C) | ordered_by(D,B,A).  [resolve(69,a,64,a)].
% 1.68/1.93  Derived: incident_o(f19(A,B,C,D,E),D) | incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | between_c(f18(A,B,C,D),A,B,C).  [resolve(69,a,66,a)].
% 1.68/1.93  Derived: incident_o(f19(A,B,C,D,E),D) | incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | -incident_o(F,D) | incident_c(F,f18(A,B,C,D)).  [resolve(69,a,67,a)].
% 1.68/1.93  Derived: incident_o(f19(A,B,C,D,E),D) | incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | incident_o(F,D) | -incident_c(F,f18(A,B,C,D)).  [resolve(69,a,68,a)].
% 1.68/1.94  70 between_o(A,B,C,D) | -incident_o(f19(B,C,D,A,E),A) | -incident_c(f19(B,C,D,A,E),E) | -between_c(E,B,C,D) # label(o3) # label(axiom).  [clausify(23)].
% 1.68/1.94  Derived: -incident_o(f19(A,B,C,D,E),D) | -incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | ordered_by(D,A,B) | ordered_by(D,C,B).  [resolve(70,a,61,a)].
% 1.68/1.94  Derived: -incident_o(f19(A,B,C,D,E),D) | -incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | ordered_by(D,A,B) | ordered_by(D,B,A).  [resolve(70,a,62,a)].
% 1.68/1.94  Derived: -incident_o(f19(A,B,C,D,E),D) | -incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | ordered_by(D,B,C) | ordered_by(D,C,B).  [resolve(70,a,63,a)].
% 1.68/1.94  Derived: -incident_o(f19(A,B,C,D,E),D) | -incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | ordered_by(D,B,C) | ordered_by(D,B,A).  [resolve(70,a,64,a)].
% 1.68/1.94  Derived: -incident_o(f19(A,B,C,D,E),D) | -incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | between_c(f18(A,B,C,D),A,B,C).  [resolve(70,a,66,a)].
% 1.68/1.94  Derived: -incident_o(f19(A,B,C,D,E),D) | -incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | -incident_o(F,D) | incident_c(F,f18(A,B,C,D)).  [resolve(70,a,67,a)].
% 1.68/1.94  Derived: -incident_o(f19(A,B,C,D,E),D) | -incident_c(f19(A,B,C,D,E),E) | -between_c(E,A,B,C) | incident_o(F,D) | -incident_c(F,f18(A,B,C,D)).  [resolve(70,a,68,a)].
% 1.68/1.94  
% 1.68/1.94  ============================== end predicate elimination =============
% 1.68/1.94  
% 1.68/1.94  Auto_denials:  (non-Horn, no changes).
% 1.68/1.94  
% 1.68/1.94  Term ordering decisions:
% 1.68/1.94  Function symbol KB weights:  c10=1. c11=1. c12=1. sum=1. f1=1. f3=1. f4=1. f9=1. f10=1. f11=1. f12=1. f13=1. f15=1. f16=1. f22=1. f23=1. f24=1. underlying_curve=1. f6=1. f7=1. f8=1. f17=1. f20=1. f2=1. f5=1. f21=1. f14=1. f18=1. f19=1.
% 1.68/1.94  
% 1.68/1.94  ============================== end of process initial clauses ========
% 1.68/1.94  
% 1.68/1.94  ============================== CLAUSES FOR SEARCH ====================
% 1.68/1.94  
% 1.68/1.94  ============================== end of clauses for search =============
% 1.68/1.94  
% 1.68/1.94  ============================== SEARCH ================================
% 1.68/1.94  
% 1.68/1.94  % Starting search at 0.04 seconds.
% 1.68/1.94  
% 1.68/1.94  NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 31 (0.00 of 0.50 sec).
% 1.68/1.94  
% 1.68/1.94  Low Water (keep): wt=38.000, iters=3382
% 1.68/1.94  
% 1.68/1.94  ============================== PROOF =================================
% 1.68/1.94  % SZS status Theorem
% 1.68/1.94  % SZS output start Refutation
% 1.68/1.94  
% 1.68/1.94  % Proof 1 at 0.75 (+ 0.01) seconds.
% 1.68/1.94  % Length of proof is 25.
% 1.68/1.94  % Level of proof is 7.
% 1.68/1.94  % Maximum clause weight is 17.000.
% 1.68/1.94  % Given clauses 767.
% 1.68/1.94  
% 1.68/1.94  17 (all C all P all Q all R (between_c(C,P,Q,R) <-> P != R & (exists Cpp (part_of(Cpp,C) & end_point(P,Cpp) & end_point(R,Cpp) & inner_point(Q,Cpp))))) # label(between_c_defn) # label(axiom) # label(non_clause).  [assumption].
% 1.68/1.94  18 (all O all P all Q all R (between_o(O,P,Q,R) <-> ordered_by(O,P,Q) & ordered_by(O,Q,R) | ordered_by(O,R,Q) & ordered_by(O,Q,P))) # label(between_o_defn) # label(axiom) # label(non_clause).  [assumption].
% 1.68/1.94  19 (all P all O (start_point(P,O) <-> incident_o(P,O) & (all Q (P != Q & incident_o(Q,O) -> ordered_by(O,P,Q))))) # label(start_point_defn) # label(axiom) # label(non_clause).  [assumption].
% 1.68/1.94  23 (all P all Q all R all O (between_o(O,P,Q,R) <-> (exists C ((all P (incident_o(P,O) <-> incident_c(P,C))) & between_c(C,P,Q,R))))) # label(o3) # label(axiom) # label(non_clause).  [assumption].
% 1.68/1.94  28 -(all O all P all Q (start_point(P,O) & start_point(Q,O) -> P = Q)) # label(corollary_4_10_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 1.68/1.94  36 -start_point(A,B) | incident_o(A,B) # label(start_point_defn) # label(axiom).  [clausify(19)].
% 1.68/1.94  37 start_point(c11,c10) # label(corollary_4_10_1) # label(negated_conjecture).  [clausify(28)].
% 1.68/1.94  38 start_point(c12,c10) # label(corollary_4_10_1) # label(negated_conjecture).  [clausify(28)].
% 1.68/1.94  43 -start_point(A,B) | C = A | -incident_o(C,B) | ordered_by(B,A,C) # label(start_point_defn) # label(axiom).  [clausify(19)].
% 1.68/1.94  65 between_o(A,B,C,D) | -ordered_by(A,D,C) | -ordered_by(A,C,B) # label(between_o_defn) # label(axiom).  [clausify(18)].
% 1.68/1.94  66 -between_o(A,B,C,D) | between_c(f18(B,C,D,A),B,C,D) # label(o3) # label(axiom).  [clausify(23)].
% 1.68/1.94  76 c12 != c11 # label(corollary_4_10_1) # label(negated_conjecture).  [clausify(28)].
% 1.68/1.94  78 -between_c(A,B,C,D) | D != B # label(between_c_defn) # label(axiom).  [clausify(17)].
% 1.68/1.94  130 incident_o(c11,c10).  [resolve(36,a,37,a)].
% 1.68/1.94  131 incident_o(c12,c10).  [resolve(36,a,38,a)].
% 1.68/1.94  133 A = c11 | -incident_o(A,c10) | ordered_by(c10,c11,A).  [resolve(43,a,37,a)].
% 1.68/1.94  134 c11 = A | -incident_o(A,c10) | ordered_by(c10,c11,A).  [copy(133),flip(a)].
% 1.68/1.94  135 A = c12 | -incident_o(A,c10) | ordered_by(c10,c12,A).  [resolve(43,a,38,a)].
% 1.68/1.94  136 c12 = A | -incident_o(A,c10) | ordered_by(c10,c12,A).  [copy(135),flip(a)].
% 1.68/1.94  161 between_c(f18(A,B,C,D),A,B,C) | -ordered_by(D,C,B) | -ordered_by(D,B,A).  [resolve(66,a,65,a)].
% 1.68/1.94  491 ordered_by(c10,c11,c12).  [resolve(134,b,131,a),flip(a),unit_del(a,76)].
% 1.68/1.94  494 ordered_by(c10,c12,c11).  [resolve(136,b,130,a),unit_del(a,76)].
% 1.68/1.94  784 between_c(f18(c12,c11,A,c10),c12,c11,A) | -ordered_by(c10,A,c11).  [resolve(491,a,161,c)].
% 1.68/1.94  7170 between_c(f18(c12,c11,c12,c10),c12,c11,c12).  [resolve(784,b,494,a)].
% 1.68/1.94  7190 $F.  [resolve(7170,a,78,a),xx(a)].
% 1.68/1.94  
% 1.68/1.94  % SZS output end Refutation
% 1.68/1.94  ============================== end of proof ==========================
% 1.68/1.94  
% 1.68/1.94  ============================== STATISTICS ============================
% 1.68/1.94  
% 1.68/1.94  Given=767. Generated=14738. Kept=7115. proofs=1.
% 1.68/1.94  Usable=558. Sos=4081. Demods=5. Limbo=19, Disabled=2604. Hints=0.
% 1.68/1.94  Megabytes=8.40.
% 1.68/1.94  User_CPU=0.75, System_CPU=0.01, Wall_clock=1.
% 1.68/1.94  
% 1.68/1.94  ============================== end of statistics =====================
% 1.68/1.94  
% 1.68/1.94  ============================== end of search =========================
% 1.68/1.94  
% 1.68/1.94  THEOREM PROVED
% 1.68/1.94  % SZS status Theorem
% 1.68/1.94  
% 1.68/1.94  Exiting with 1 proof.
% 1.68/1.94  
% 1.68/1.94  Process 13904 exit (max_proofs) Sat Jun 18 12:39:57 2022
% 1.68/1.94  Prover9 interrupted
%------------------------------------------------------------------------------