TSTP Solution File: SWC060+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SWC060+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n019.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 : Tue Jul 19 21:45:06 EDT 2022

% Result   : Theorem 4.52s 4.83s
% Output   : Refutation 4.52s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SWC060+1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n019.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun Jun 12 21:35:10 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.82/1.08  ============================== Prover9 ===============================
% 0.82/1.08  Prover9 (32) version 2009-11A, November 2009.
% 0.82/1.08  Process 3960 was started by sandbox2 on n019.cluster.edu,
% 0.82/1.08  Sun Jun 12 21:35:10 2022
% 0.82/1.08  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_3668_n019.cluster.edu".
% 0.82/1.08  ============================== end of head ===========================
% 0.82/1.08  
% 0.82/1.08  ============================== INPUT =================================
% 0.82/1.08  
% 0.82/1.08  % Reading from file /tmp/Prover9_3668_n019.cluster.edu
% 0.82/1.08  
% 0.82/1.08  set(prolog_style_variables).
% 0.82/1.08  set(auto2).
% 0.82/1.08      % set(auto2) -> set(auto).
% 0.82/1.08      % set(auto) -> set(auto_inference).
% 0.82/1.08      % set(auto) -> set(auto_setup).
% 0.82/1.08      % set(auto_setup) -> set(predicate_elim).
% 0.82/1.08      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.82/1.08      % set(auto) -> set(auto_limits).
% 0.82/1.08      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.82/1.08      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.82/1.08      % set(auto) -> set(auto_denials).
% 0.82/1.08      % set(auto) -> set(auto_process).
% 0.82/1.08      % set(auto2) -> assign(new_constants, 1).
% 0.82/1.08      % set(auto2) -> assign(fold_denial_max, 3).
% 0.82/1.08      % set(auto2) -> assign(max_weight, "200.000").
% 0.82/1.08      % set(auto2) -> assign(max_hours, 1).
% 0.82/1.08      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.82/1.08      % set(auto2) -> assign(max_seconds, 0).
% 0.82/1.08      % set(auto2) -> assign(max_minutes, 5).
% 0.82/1.08      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.82/1.08      % set(auto2) -> set(sort_initial_sos).
% 0.82/1.08      % set(auto2) -> assign(sos_limit, -1).
% 0.82/1.08      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.82/1.08      % set(auto2) -> assign(max_megs, 400).
% 0.82/1.08      % set(auto2) -> assign(stats, some).
% 0.82/1.08      % set(auto2) -> clear(echo_input).
% 0.82/1.08      % set(auto2) -> set(quiet).
% 0.82/1.08      % set(auto2) -> clear(print_initial_clauses).
% 0.82/1.08      % set(auto2) -> clear(print_given).
% 0.82/1.08  assign(lrs_ticks,-1).
% 0.82/1.08  assign(sos_limit,10000).
% 0.82/1.08  assign(order,kbo).
% 0.82/1.08  set(lex_order_vars).
% 0.82/1.08  clear(print_given).
% 0.82/1.08  
% 0.82/1.08  % formulas(sos).  % not echoed (96 formulas)
% 0.82/1.08  
% 0.82/1.08  ============================== end of input ==========================
% 0.82/1.08  
% 0.82/1.08  % From the command line: assign(max_seconds, 300).
% 0.82/1.08  
% 0.82/1.08  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.82/1.08  
% 0.82/1.08  % Formulas that are not ordinary clauses:
% 0.82/1.08  1 (all U (ssItem(U) -> (all V (ssItem(V) -> (neq(U,V) <-> U != V))))) # label(ax1) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  2 (exists U (ssItem(U) & (exists V (ssItem(V) & U != V)))) # label(ax2) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  3 (all U (ssList(U) -> (all V (ssItem(V) -> (memberP(U,V) <-> (exists W (ssList(W) & (exists X (ssList(X) & app(W,cons(V,X)) = U))))))))) # label(ax3) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  4 (all U (ssList(U) -> (singletonP(U) <-> (exists V (ssItem(V) & cons(V,nil) = U))))) # label(ax4) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  5 (all U (ssList(U) -> (all V (ssList(V) -> (frontsegP(U,V) <-> (exists W (ssList(W) & app(V,W) = U))))))) # label(ax5) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  6 (all U (ssList(U) -> (all V (ssList(V) -> (rearsegP(U,V) <-> (exists W (ssList(W) & app(W,V) = U))))))) # label(ax6) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  7 (all U (ssList(U) -> (all V (ssList(V) -> (segmentP(U,V) <-> (exists W (ssList(W) & (exists X (ssList(X) & app(app(W,V),X) = U))))))))) # label(ax7) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  8 (all U (ssList(U) -> (cyclefreeP(U) <-> (all V (ssItem(V) -> (all W (ssItem(W) -> (all X (ssList(X) -> (all Y (ssList(Y) -> (all Z (ssList(Z) -> (app(app(X,cons(V,Y)),cons(W,Z)) = U -> -(leq(V,W) & leq(W,V)))))))))))))))) # label(ax8) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  9 (all U (ssList(U) -> (totalorderP(U) <-> (all V (ssItem(V) -> (all W (ssItem(W) -> (all X (ssList(X) -> (all Y (ssList(Y) -> (all Z (ssList(Z) -> (app(app(X,cons(V,Y)),cons(W,Z)) = U -> leq(V,W) | leq(W,V))))))))))))))) # label(ax9) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  10 (all U (ssList(U) -> (strictorderP(U) <-> (all V (ssItem(V) -> (all W (ssItem(W) -> (all X (ssList(X) -> (all Y (ssList(Y) -> (all Z (ssList(Z) -> (app(app(X,cons(V,Y)),cons(W,Z)) = U -> lt(V,W) | lt(W,V))))))))))))))) # label(ax10) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  11 (all U (ssList(U) -> (totalorderedP(U) <-> (all V (ssItem(V) -> (all W (ssItem(W) -> (all X (ssList(X) -> (all Y (ssList(Y) -> (all Z (ssList(Z) -> (app(app(X,cons(V,Y)),cons(W,Z)) = U -> leq(V,W))))))))))))))) # label(ax11) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  12 (all U (ssList(U) -> (strictorderedP(U) <-> (all V (ssItem(V) -> (all W (ssItem(W) -> (all X (ssList(X) -> (all Y (ssList(Y) -> (all Z (ssList(Z) -> (app(app(X,cons(V,Y)),cons(W,Z)) = U -> lt(V,W))))))))))))))) # label(ax12) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  13 (all U (ssList(U) -> (duplicatefreeP(U) <-> (all V (ssItem(V) -> (all W (ssItem(W) -> (all X (ssList(X) -> (all Y (ssList(Y) -> (all Z (ssList(Z) -> (app(app(X,cons(V,Y)),cons(W,Z)) = U -> V != W)))))))))))))) # label(ax13) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  14 (all U (ssList(U) -> (equalelemsP(U) <-> (all V (ssItem(V) -> (all W (ssItem(W) -> (all X (ssList(X) -> (all Y (ssList(Y) -> (app(X,cons(V,cons(W,Y))) = U -> V = W)))))))))))) # label(ax14) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  15 (all U (ssList(U) -> (all V (ssList(V) -> (neq(U,V) <-> U != V))))) # label(ax15) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  16 (all U (ssList(U) -> (all V (ssItem(V) -> ssList(cons(V,U)))))) # label(ax16) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  17 (all U (ssList(U) -> (all V (ssItem(V) -> cons(V,U) != U)))) # label(ax18) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  18 (all U (ssList(U) -> (all V (ssList(V) -> (all W (ssItem(W) -> (all X (ssItem(X) -> (cons(W,U) = cons(X,V) -> W = X & V = U))))))))) # label(ax19) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  19 (all U (ssList(U) -> nil = U | (exists V (ssList(V) & (exists W (ssItem(W) & cons(W,V) = U)))))) # label(ax20) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  20 (all U (ssList(U) -> (all V (ssItem(V) -> nil != cons(V,U))))) # label(ax21) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  21 (all U (ssList(U) -> (nil != U -> ssItem(hd(U))))) # label(ax22) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  22 (all U (ssList(U) -> (all V (ssItem(V) -> hd(cons(V,U)) = V)))) # label(ax23) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  23 (all U (ssList(U) -> (nil != U -> ssList(tl(U))))) # label(ax24) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  24 (all U (ssList(U) -> (all V (ssItem(V) -> tl(cons(V,U)) = U)))) # label(ax25) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  25 (all U (ssList(U) -> (all V (ssList(V) -> ssList(app(U,V)))))) # label(ax26) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  26 (all U (ssList(U) -> (all V (ssList(V) -> (all W (ssItem(W) -> cons(W,app(V,U)) = app(cons(W,V),U))))))) # label(ax27) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  27 (all U (ssList(U) -> app(nil,U) = U)) # label(ax28) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  28 (all U (ssItem(U) -> (all V (ssItem(V) -> (leq(U,V) & leq(V,U) -> U = V))))) # label(ax29) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  29 (all U (ssItem(U) -> (all V (ssItem(V) -> (all W (ssItem(W) -> (leq(U,V) & leq(V,W) -> leq(U,W)))))))) # label(ax30) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  30 (all U (ssItem(U) -> leq(U,U))) # label(ax31) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  31 (all U (ssItem(U) -> (all V (ssItem(V) -> (geq(U,V) <-> leq(V,U)))))) # label(ax32) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  32 (all U (ssItem(U) -> (all V (ssItem(V) -> (lt(U,V) -> -lt(V,U)))))) # label(ax33) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  33 (all U (ssItem(U) -> (all V (ssItem(V) -> (all W (ssItem(W) -> (lt(U,V) & lt(V,W) -> lt(U,W)))))))) # label(ax34) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  34 (all U (ssItem(U) -> (all V (ssItem(V) -> (gt(U,V) <-> lt(V,U)))))) # label(ax35) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  35 (all U (ssItem(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (memberP(app(V,W),U) <-> memberP(V,U) | memberP(W,U)))))))) # label(ax36) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  36 (all U (ssItem(U) -> (all V (ssItem(V) -> (all W (ssList(W) -> (memberP(cons(V,W),U) <-> U = V | memberP(W,U)))))))) # label(ax37) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  37 (all U (ssItem(U) -> -memberP(nil,U))) # label(ax38) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  38 (all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (frontsegP(U,V) & frontsegP(V,W) -> frontsegP(U,W)))))))) # label(ax40) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  39 (all U (ssList(U) -> (all V (ssList(V) -> (frontsegP(U,V) & frontsegP(V,U) -> U = V))))) # label(ax41) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  40 (all U (ssList(U) -> frontsegP(U,U))) # label(ax42) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  41 (all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (frontsegP(U,V) -> frontsegP(app(U,W),V)))))))) # label(ax43) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  42 (all U (ssItem(U) -> (all V (ssItem(V) -> (all W (ssList(W) -> (all X (ssList(X) -> (frontsegP(cons(U,W),cons(V,X)) <-> U = V & frontsegP(W,X)))))))))) # label(ax44) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  43 (all U (ssList(U) -> frontsegP(U,nil))) # label(ax45) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  44 (all U (ssList(U) -> (frontsegP(nil,U) <-> nil = U))) # label(ax46) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  45 (all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (rearsegP(U,V) & rearsegP(V,W) -> rearsegP(U,W)))))))) # label(ax47) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  46 (all U (ssList(U) -> (all V (ssList(V) -> (rearsegP(U,V) & rearsegP(V,U) -> U = V))))) # label(ax48) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  47 (all U (ssList(U) -> rearsegP(U,U))) # label(ax49) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  48 (all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (rearsegP(U,V) -> rearsegP(app(W,U),V)))))))) # label(ax50) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  49 (all U (ssList(U) -> rearsegP(U,nil))) # label(ax51) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  50 (all U (ssList(U) -> (rearsegP(nil,U) <-> nil = U))) # label(ax52) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  51 (all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (segmentP(U,V) & segmentP(V,W) -> segmentP(U,W)))))))) # label(ax53) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  52 (all U (ssList(U) -> (all V (ssList(V) -> (segmentP(U,V) & segmentP(V,U) -> U = V))))) # label(ax54) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  53 (all U (ssList(U) -> segmentP(U,U))) # label(ax55) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  54 (all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (all X (ssList(X) -> (segmentP(U,V) -> segmentP(app(app(W,U),X),V)))))))))) # label(ax56) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  55 (all U (ssList(U) -> segmentP(U,nil))) # label(ax57) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  56 (all U (ssList(U) -> (segmentP(nil,U) <-> nil = U))) # label(ax58) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  57 (all U (ssItem(U) -> cyclefreeP(cons(U,nil)))) # label(ax59) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  58 (all U (ssItem(U) -> totalorderP(cons(U,nil)))) # label(ax61) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  59 (all U (ssItem(U) -> strictorderP(cons(U,nil)))) # label(ax63) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  60 (all U (ssItem(U) -> totalorderedP(cons(U,nil)))) # label(ax65) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  61 (all U (ssItem(U) -> (all V (ssList(V) -> (totalorderedP(cons(U,V)) <-> nil = V | nil != V & totalorderedP(V) & leq(U,hd(V))))))) # label(ax67) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  62 (all U (ssItem(U) -> strictorderedP(cons(U,nil)))) # label(ax68) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  63 (all U (ssItem(U) -> (all V (ssList(V) -> (strictorderedP(cons(U,V)) <-> nil = V | nil != V & strictorderedP(V) & lt(U,hd(V))))))) # label(ax70) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  64 (all U (ssItem(U) -> duplicatefreeP(cons(U,nil)))) # label(ax71) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  65 (all U (ssItem(U) -> equalelemsP(cons(U,nil)))) # label(ax73) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  66 (all U (ssList(U) -> (nil != U -> (exists V (ssItem(V) & hd(U) = V))))) # label(ax75) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  67 (all U (ssList(U) -> (nil != U -> (exists V (ssList(V) & tl(U) = V))))) # label(ax76) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  68 (all U (ssList(U) -> (all V (ssList(V) -> (nil != V & nil != U & hd(V) = hd(U) & tl(V) = tl(U) -> V = U))))) # label(ax77) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  69 (all U (ssList(U) -> (nil != U -> cons(hd(U),tl(U)) = U))) # label(ax78) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  70 (all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (app(W,V) = app(U,V) -> W = U))))))) # label(ax79) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  71 (all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (app(V,W) = app(V,U) -> W = U))))))) # label(ax80) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  72 (all U (ssList(U) -> (all V (ssItem(V) -> cons(V,U) = app(cons(V,nil),U))))) # label(ax81) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  73 (all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> app(app(U,V),W) = app(U,app(V,W)))))))) # label(ax82) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  74 (all U (ssList(U) -> (all V (ssList(V) -> (nil = app(U,V) <-> nil = V & nil = U))))) # label(ax83) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  75 (all U (ssList(U) -> app(U,nil) = U)) # label(ax84) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  76 (all U (ssList(U) -> (all V (ssList(V) -> (nil != U -> hd(app(U,V)) = hd(U)))))) # label(ax85) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  77 (all U (ssList(U) -> (all V (ssList(V) -> (nil != U -> tl(app(U,V)) = app(tl(U),V)))))) # label(ax86) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  78 (all U (ssItem(U) -> (all V (ssItem(V) -> (geq(U,V) & geq(V,U) -> U = V))))) # label(ax87) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  79 (all U (ssItem(U) -> (all V (ssItem(V) -> (all W (ssItem(W) -> (geq(U,V) & geq(V,W) -> geq(U,W)))))))) # label(ax88) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  80 (all U (ssItem(U) -> geq(U,U))) # label(ax89) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  81 (all U (ssItem(U) -> -lt(U,U))) # label(ax90) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  82 (all U (ssItem(U) -> (all V (ssItem(V) -> (all W (ssItem(W) -> (leq(U,V) & lt(V,W) -> lt(U,W)))))))) # label(ax91) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  83 (all U (ssItem(U) -> (all V (ssItem(V) -> (leq(U,V) -> U = V | lt(U,V)))))) # label(ax92) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  84 (all U (ssItem(U) -> (all V (ssItem(V) -> (lt(U,V) <-> U != V & leq(U,V)))))) # label(ax93) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  85 (all U (ssItem(U) -> (all V (ssItem(V) -> (gt(U,V) -> -gt(V,U)))))) # label(ax94) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  86 (all U (ssItem(U) -> (all V (ssItem(V) -> (all W (ssItem(W) -> (gt(U,V) & gt(V,W) -> gt(U,W)))))))) # label(ax95) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.09  87 -(all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (all X (-ssList(X) | V != X | U != W | (nil != V | nil = U) & (-neq(V,nil) | (exists Y (ssList(Y) & neq(Y,nil) & segmentP(V,Y) & segmentP(U,Y)))) | (nil != X | nil != W) & (-neq(W,nil) | -segmentP(X,W)))))))))) # label(co1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.82/1.09  
% 0.82/1.09  ============================== end of process non-clausal formulas ===
% 0.82/1.09  
% 0.82/1.09  ============================== PROCESS INITIAL CLAUSES ===============
% 0.82/1.09  
% 0.82/1.09  ============================== PREDICATE ELIMINATION =================
% 0.82/1.09  88 -ssList(A) | cyclefreeP(A) | ssItem(f8(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.09  89 -ssList(A) | -cyclefreeP(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | -leq(B,C) | -leq(C,B) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.10  Derived: -ssList(A) | ssItem(f8(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | -leq(B,C) | -leq(C,B).  [resolve(88,b,89,b)].
% 0.82/1.10  90 -ssList(A) | cyclefreeP(A) | ssItem(f9(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.10  Derived: -ssList(A) | ssItem(f9(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | -leq(B,C) | -leq(C,B).  [resolve(90,b,89,b)].
% 0.82/1.10  91 -ssList(A) | cyclefreeP(A) | ssList(f10(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.10  Derived: -ssList(A) | ssList(f10(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | -leq(B,C) | -leq(C,B).  [resolve(91,b,89,b)].
% 0.82/1.10  92 -ssList(A) | cyclefreeP(A) | ssList(f11(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.10  Derived: -ssList(A) | ssList(f11(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | -leq(B,C) | -leq(C,B).  [resolve(92,b,89,b)].
% 0.82/1.10  93 -ssList(A) | cyclefreeP(A) | ssList(f12(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.10  Derived: -ssList(A) | ssList(f12(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | -leq(B,C) | -leq(C,B).  [resolve(93,b,89,b)].
% 0.82/1.10  94 -ssList(A) | cyclefreeP(A) | app(app(f10(A),cons(f8(A),f11(A))),cons(f9(A),f12(A))) = A # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.10  Derived: -ssList(A) | app(app(f10(A),cons(f8(A),f11(A))),cons(f9(A),f12(A))) = A | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | -leq(B,C) | -leq(C,B).  [resolve(94,b,89,b)].
% 0.82/1.10  95 -ssList(A) | cyclefreeP(A) | leq(f8(A),f9(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.10  Derived: -ssList(A) | leq(f8(A),f9(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | -leq(B,C) | -leq(C,B).  [resolve(95,b,89,b)].
% 0.82/1.10  96 -ssList(A) | cyclefreeP(A) | leq(f9(A),f8(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.10  Derived: -ssList(A) | leq(f9(A),f8(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | -leq(B,C) | -leq(C,B).  [resolve(96,b,89,b)].
% 0.82/1.10  97 -ssItem(A) | cyclefreeP(cons(A,nil)) # label(ax59) # label(axiom).  [clausify(57)].
% 0.82/1.10  Derived: -ssItem(A) | -ssList(cons(A,nil)) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != cons(A,nil) | -leq(B,C) | -leq(C,B).  [resolve(97,b,89,b)].
% 0.82/1.10  98 cyclefreeP(nil) # label(ax60) # label(axiom).  [assumption].
% 0.82/1.10  Derived: -ssList(nil) | -ssItem(A) | -ssItem(B) | -ssList(C) | -ssList(D) | -ssList(E) | app(app(C,cons(A,D)),cons(B,E)) != nil | -leq(A,B) | -leq(B,A).  [resolve(98,a,89,b)].
% 0.82/1.10  99 -ssList(A) | totalorderP(A) | ssItem(f13(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.10  100 -ssList(A) | -totalorderP(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | leq(B,C) | leq(C,B) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.10  Derived: -ssList(A) | ssItem(f13(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | leq(B,C) | leq(C,B).  [resolve(99,b,100,b)].
% 0.82/1.10  101 -ssList(A) | totalorderP(A) | ssItem(f14(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.10  Derived: -ssList(A) | ssItem(f14(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | leq(B,C) | leq(C,B).  [resolve(101,b,100,b)].
% 0.82/1.10  102 -ssList(A) | totalorderP(A) | ssList(f15(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.10  Derived: -ssList(A) | ssList(f15(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | leq(B,C) | leq(C,B).  [resolve(102,b,100,b)].
% 0.82/1.10  103 -ssList(A) | totalorderP(A) | ssList(f16(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.12  Derived: -ssList(A) | ssList(f16(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | leq(B,C) | leq(C,B).  [resolve(103,b,100,b)].
% 0.82/1.12  104 -ssList(A) | totalorderP(A) | ssList(f17(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.12  Derived: -ssList(A) | ssList(f17(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | leq(B,C) | leq(C,B).  [resolve(104,b,100,b)].
% 0.82/1.12  105 -ssList(A) | totalorderP(A) | app(app(f15(A),cons(f13(A),f16(A))),cons(f14(A),f17(A))) = A # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.12  Derived: -ssList(A) | app(app(f15(A),cons(f13(A),f16(A))),cons(f14(A),f17(A))) = A | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | leq(B,C) | leq(C,B).  [resolve(105,b,100,b)].
% 0.82/1.12  106 -ssList(A) | totalorderP(A) | -leq(f13(A),f14(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.12  Derived: -ssList(A) | -leq(f13(A),f14(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | leq(B,C) | leq(C,B).  [resolve(106,b,100,b)].
% 0.82/1.12  107 -ssList(A) | totalorderP(A) | -leq(f14(A),f13(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.12  Derived: -ssList(A) | -leq(f14(A),f13(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | leq(B,C) | leq(C,B).  [resolve(107,b,100,b)].
% 0.82/1.12  108 -ssItem(A) | totalorderP(cons(A,nil)) # label(ax61) # label(axiom).  [clausify(58)].
% 0.82/1.12  Derived: -ssItem(A) | -ssList(cons(A,nil)) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != cons(A,nil) | leq(B,C) | leq(C,B).  [resolve(108,b,100,b)].
% 0.82/1.12  109 totalorderP(nil) # label(ax62) # label(axiom).  [assumption].
% 0.82/1.12  Derived: -ssList(nil) | -ssItem(A) | -ssItem(B) | -ssList(C) | -ssList(D) | -ssList(E) | app(app(C,cons(A,D)),cons(B,E)) != nil | leq(A,B) | leq(B,A).  [resolve(109,a,100,b)].
% 0.82/1.12  110 -ssList(A) | strictorderP(A) | ssItem(f18(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.12  111 -ssList(A) | -strictorderP(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | lt(B,C) | lt(C,B) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.12  Derived: -ssList(A) | ssItem(f18(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | lt(B,C) | lt(C,B).  [resolve(110,b,111,b)].
% 0.82/1.12  112 -ssList(A) | strictorderP(A) | ssItem(f19(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.12  Derived: -ssList(A) | ssItem(f19(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | lt(B,C) | lt(C,B).  [resolve(112,b,111,b)].
% 0.82/1.12  113 -ssList(A) | strictorderP(A) | ssList(f20(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.12  Derived: -ssList(A) | ssList(f20(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | lt(B,C) | lt(C,B).  [resolve(113,b,111,b)].
% 0.82/1.12  114 -ssList(A) | strictorderP(A) | ssList(f21(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.12  Derived: -ssList(A) | ssList(f21(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | lt(B,C) | lt(C,B).  [resolve(114,b,111,b)].
% 0.82/1.12  115 -ssList(A) | strictorderP(A) | ssList(f22(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.12  Derived: -ssList(A) | ssList(f22(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | lt(B,C) | lt(C,B).  [resolve(115,b,111,b)].
% 0.82/1.12  116 -ssList(A) | strictorderP(A) | app(app(f20(A),cons(f18(A),f21(A))),cons(f19(A),f22(A))) = A # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.12  Derived: -ssList(A) | app(app(f20(A),cons(f18(A),f21(A))),cons(f19(A),f22(A))) = A | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | lt(B,C) | lt(C,B).  [resolve(116,b,111,b)].
% 0.82/1.14  117 -ssList(A) | strictorderP(A) | -lt(f18(A),f19(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.14  Derived: -ssList(A) | -lt(f18(A),f19(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | lt(B,C) | lt(C,B).  [resolve(117,b,111,b)].
% 0.82/1.14  118 -ssList(A) | strictorderP(A) | -lt(f19(A),f18(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.14  Derived: -ssList(A) | -lt(f19(A),f18(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | lt(B,C) | lt(C,B).  [resolve(118,b,111,b)].
% 0.82/1.14  119 -ssItem(A) | strictorderP(cons(A,nil)) # label(ax63) # label(axiom).  [clausify(59)].
% 0.82/1.14  Derived: -ssItem(A) | -ssList(cons(A,nil)) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != cons(A,nil) | lt(B,C) | lt(C,B).  [resolve(119,b,111,b)].
% 0.82/1.14  120 strictorderP(nil) # label(ax64) # label(axiom).  [assumption].
% 0.82/1.14  Derived: -ssList(nil) | -ssItem(A) | -ssItem(B) | -ssList(C) | -ssList(D) | -ssList(E) | app(app(C,cons(A,D)),cons(B,E)) != nil | lt(A,B) | lt(B,A).  [resolve(120,a,111,b)].
% 0.82/1.14  121 -ssList(A) | duplicatefreeP(A) | ssItem(f33(A)) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.14  122 -ssList(A) | -duplicatefreeP(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | C != B # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.14  Derived: -ssList(A) | ssItem(f33(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | C != B.  [resolve(121,b,122,b)].
% 0.82/1.14  123 -ssList(A) | duplicatefreeP(A) | ssItem(f34(A)) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.14  Derived: -ssList(A) | ssItem(f34(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | C != B.  [resolve(123,b,122,b)].
% 0.82/1.14  124 -ssList(A) | duplicatefreeP(A) | ssList(f35(A)) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.14  Derived: -ssList(A) | ssList(f35(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | C != B.  [resolve(124,b,122,b)].
% 0.82/1.14  125 -ssList(A) | duplicatefreeP(A) | ssList(f36(A)) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.14  Derived: -ssList(A) | ssList(f36(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | C != B.  [resolve(125,b,122,b)].
% 0.82/1.14  126 -ssList(A) | duplicatefreeP(A) | ssList(f37(A)) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.14  Derived: -ssList(A) | ssList(f37(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | C != B.  [resolve(126,b,122,b)].
% 0.82/1.14  127 -ssList(A) | duplicatefreeP(A) | app(app(f35(A),cons(f33(A),f36(A))),cons(f34(A),f37(A))) = A # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.14  Derived: -ssList(A) | app(app(f35(A),cons(f33(A),f36(A))),cons(f34(A),f37(A))) = A | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | C != B.  [resolve(127,b,122,b)].
% 0.82/1.14  128 -ssList(A) | duplicatefreeP(A) | f34(A) = f33(A) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.14  Derived: -ssList(A) | f34(A) = f33(A) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != A | C != B.  [resolve(128,b,122,b)].
% 0.82/1.14  129 -ssItem(A) | duplicatefreeP(cons(A,nil)) # label(ax71) # label(axiom).  [clausify(64)].
% 0.82/1.14  Derived: -ssItem(A) | -ssList(cons(A,nil)) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | -ssList(F) | app(app(D,cons(B,E)),cons(C,F)) != cons(A,nil) | C != B.  [resolve(129,b,122,b)].
% 0.82/1.14  130 duplicatefreeP(nil) # label(ax72) # label(axiom).  [assumption].
% 0.82/1.14  Derived: -ssList(nil) | -ssItem(A) | -ssItem(B) | -ssList(C) | -ssList(D) | -ssList(E) | app(app(C,cons(A,D)),cons(B,E)) != nil | B != A.  [resolve(130,a,122,b)].
% 0.82/1.14  131 -ssList(A) | equalelemsP(A) | ssItem(f38(A)) # label(ax14) # label(axiom).  [clausify(14)].
% 4.52/4.83  132 -ssList(A) | -equalelemsP(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | app(D,cons(B,cons(C,E))) != A | C = B # label(ax14) # label(axiom).  [clausify(14)].
% 4.52/4.83  Derived: -ssList(A) | ssItem(f38(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | app(D,cons(B,cons(C,E))) != A | C = B.  [resolve(131,b,132,b)].
% 4.52/4.83  133 -ssList(A) | equalelemsP(A) | ssItem(f39(A)) # label(ax14) # label(axiom).  [clausify(14)].
% 4.52/4.83  Derived: -ssList(A) | ssItem(f39(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | app(D,cons(B,cons(C,E))) != A | C = B.  [resolve(133,b,132,b)].
% 4.52/4.83  134 -ssList(A) | equalelemsP(A) | ssList(f40(A)) # label(ax14) # label(axiom).  [clausify(14)].
% 4.52/4.83  Derived: -ssList(A) | ssList(f40(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | app(D,cons(B,cons(C,E))) != A | C = B.  [resolve(134,b,132,b)].
% 4.52/4.83  135 -ssList(A) | equalelemsP(A) | ssList(f41(A)) # label(ax14) # label(axiom).  [clausify(14)].
% 4.52/4.83  Derived: -ssList(A) | ssList(f41(A)) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | app(D,cons(B,cons(C,E))) != A | C = B.  [resolve(135,b,132,b)].
% 4.52/4.83  136 -ssList(A) | equalelemsP(A) | app(f40(A),cons(f38(A),cons(f39(A),f41(A)))) = A # label(ax14) # label(axiom).  [clausify(14)].
% 4.52/4.83  Derived: -ssList(A) | app(f40(A),cons(f38(A),cons(f39(A),f41(A)))) = A | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | app(D,cons(B,cons(C,E))) != A | C = B.  [resolve(136,b,132,b)].
% 4.52/4.83  137 -ssList(A) | equalelemsP(A) | f39(A) != f38(A) # label(ax14) # label(axiom).  [clausify(14)].
% 4.52/4.83  Derived: -ssList(A) | f39(A) != f38(A) | -ssList(A) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | app(D,cons(B,cons(C,E))) != A | C = B.  [resolve(137,b,132,b)].
% 4.52/4.83  138 -ssItem(A) | equalelemsP(cons(A,nil)) # label(ax73) # label(axiom).  [clausify(65)].
% 4.52/4.83  Derived: -ssItem(A) | -ssList(cons(A,nil)) | -ssItem(B) | -ssItem(C) | -ssList(D) | -ssList(E) | app(D,cons(B,cons(C,E))) != cons(A,nil) | C = B.  [resolve(138,b,132,b)].
% 4.52/4.83  139 equalelemsP(nil) # label(ax74) # label(axiom).  [assumption].
% 4.52/4.83  Derived: -ssList(nil) | -ssItem(A) | -ssItem(B) | -ssList(C) | -ssList(D) | app(C,cons(A,cons(B,D))) != nil | B = A.  [resolve(139,a,132,b)].
% 4.52/4.83  
% 4.52/4.83  ============================== end predicate elimination =============
% 4.52/4.83  
% 4.52/4.83  Auto_denials:  (non-Horn, no changes).
% 4.52/4.83  
% 4.52/4.83  Term ordering decisions:
% 4.52/4.83  Function symbol KB weights:  nil=1. c1=1. c2=1. c3=1. c4=1. c5=1. c6=1. cons=1. app=1. f1=1. f2=1. f4=1. f5=1. f6=1. f7=1. hd=1. tl=1. f3=1. f8=1. f9=1. f10=1. f11=1. f12=1. f13=1. f14=1. f15=1. f16=1. f17=1. f18=1. f19=1. f20=1. f21=1. f22=1. f23=1. f24=1. f25=1. f26=1. f27=1. f28=1. f29=1. f30=1. f31=1. f32=1. f33=1. f34=1. f35=1. f36=1. f37=1. f38=1. f39=1. f40=1. f41=1. f42=1. f43=1. f44=1. f45=1.
% 4.52/4.83  
% 4.52/4.83  ============================== end of process initial clauses ========
% 4.52/4.83  
% 4.52/4.83  ============================== CLAUSES FOR SEARCH ====================
% 4.52/4.83  
% 4.52/4.83  ============================== end of clauses for search =============
% 4.52/4.83  
% 4.52/4.83  ============================== SEARCH ================================
% 4.52/4.83  
% 4.52/4.83  % Starting search at 0.41 seconds.
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=41.000, iters=3529
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=38.000, iters=3366
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=35.000, iters=3440
% 4.52/4.83  
% 4.52/4.83  NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 37 (0.00 of 0.89 sec).
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=32.000, iters=3445
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=29.000, iters=3370
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=23.000, iters=3453
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=22.000, iters=3334
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=21.000, iters=3385
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=20.000, iters=3381
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=18.000, iters=3342
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=17.000, iters=3333
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=16.000, iters=3357
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=15.000, iters=3418
% 4.52/4.83  
% 4.52/4.83  Low Water (keep): wt=14.000, iters=3354
% 4.52/4.83  
% 4.52/4.83  Low Water (displace): id=2889, wt=43.000
% 4.52/4.83  
% 4.52/4.83  Low Water (displace): id=13179, wt=42.000
% 4.52/4.83  
% 4.52/4.83  ============================== PROOF =================================
% 4.52/4.83  % SZS status Theorem
% 4.52/4.83  % SZS output start Refutation
% 4.52/4.83  
% 4.52/4.83  % Proof 1 at 3.71 (+ 0.05) seconds.
% 4.52/4.83  % Length of proof is 34.
% 4.52/4.83  % Level of proof is 7.
% 4.52/4.83  % Maximum clause weight is 14.000.
% 4.52/4.83  % Given clauses 1872.
% 4.52/4.83  
% 4.52/4.83  52 (all U (ssList(U) -> (all V (ssList(V) -> (segmentP(U,V) & segmentP(V,U) -> U = V))))) # label(ax54) # label(axiom) # label(non_clause).  [assumption].
% 4.52/4.83  53 (all U (ssList(U) -> segmentP(U,U))) # label(ax55) # label(axiom) # label(non_clause).  [assumption].
% 4.52/4.83  55 (all U (ssList(U) -> segmentP(U,nil))) # label(ax57) # label(axiom) # label(non_clause).  [assumption].
% 4.52/4.83  87 -(all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (all X (-ssList(X) | V != X | U != W | (nil != V | nil = U) & (-neq(V,nil) | (exists Y (ssList(Y) & neq(Y,nil) & segmentP(V,Y) & segmentP(U,Y)))) | (nil != X | nil != W) & (-neq(W,nil) | -segmentP(X,W)))))))))) # label(co1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 4.52/4.83  181 ssList(nil) # label(ax17) # label(axiom).  [assumption].
% 4.52/4.83  231 -ssList(A) | -ssList(B) | -segmentP(A,B) | -segmentP(B,A) | B = A # label(ax54) # label(axiom).  [clausify(52)].
% 4.52/4.83  232 -ssList(A) | segmentP(A,A) # label(ax55) # label(axiom).  [clausify(53)].
% 4.52/4.83  234 -ssList(A) | segmentP(A,nil) # label(ax57) # label(axiom).  [clausify(55)].
% 4.52/4.83  277 ssList(c3) # label(co1) # label(negated_conjecture).  [clausify(87)].
% 4.52/4.83  278 ssList(c4) # label(co1) # label(negated_conjecture).  [clausify(87)].
% 4.52/4.83  281 c6 = c4 # label(co1) # label(negated_conjecture).  [clausify(87)].
% 4.52/4.83  282 c5 = c3 # label(co1) # label(negated_conjecture).  [clausify(87)].
% 4.52/4.83  285 nil = c4 | -ssList(A) | -neq(A,nil) | -segmentP(c4,A) | -segmentP(c3,A) # label(co1) # label(negated_conjecture).  [clausify(87)].
% 4.52/4.83  286 c4 = nil | -ssList(A) | -neq(A,nil) | -segmentP(c4,A) | -segmentP(c3,A).  [copy(285),flip(a)].
% 4.52/4.83  287 nil != c3 | neq(c4,nil) # label(co1) # label(negated_conjecture).  [clausify(87)].
% 4.52/4.83  288 c3 != nil | neq(c4,nil).  [copy(287),flip(a)].
% 4.52/4.83  289 nil != c3 | -ssList(A) | -neq(A,nil) | -segmentP(c4,A) | -segmentP(c3,A) # label(co1) # label(negated_conjecture).  [clausify(87)].
% 4.52/4.83  290 c3 != nil | -ssList(A) | -neq(A,nil) | -segmentP(c4,A) | -segmentP(c3,A).  [copy(289),flip(a)].
% 4.52/4.83  291 nil = c6 | neq(c5,nil) # label(co1) # label(negated_conjecture).  [clausify(87)].
% 4.52/4.83  292 c4 = nil | neq(c3,nil).  [copy(291),rewrite([281(2),282(4)]),flip(a)].
% 4.52/4.83  293 nil = c6 | segmentP(c6,c5) # label(co1) # label(negated_conjecture).  [clausify(87)].
% 4.52/4.83  294 c4 = nil | segmentP(c4,c3).  [copy(293),rewrite([281(2),281(4),282(5)]),flip(a)].
% 4.52/4.83  297 nil = c5 | segmentP(c6,c5) # label(co1) # label(negated_conjecture).  [clausify(87)].
% 4.52/4.83  298 c3 = nil | segmentP(c4,c3).  [copy(297),rewrite([282(2),281(4),282(5)]),flip(a)].
% 4.52/4.83  1694 segmentP(nil,nil).  [resolve(232,a,181,a)].
% 4.52/4.83  1760 segmentP(c3,nil).  [resolve(277,a,234,a)].
% 4.52/4.83  1761 segmentP(c3,c3).  [resolve(277,a,232,a)].
% 4.52/4.83  1909 c4 = nil | -segmentP(c4,c3).  [resolve(292,b,286,c),merge(b),unit_del(b,277),unit_del(d,1761)].
% 4.52/4.83  1919 c3 = nil | -segmentP(c3,c4) | c4 = c3.  [resolve(298,b,231,d),unit_del(b,277),unit_del(c,278)].
% 4.52/4.83  14635 c4 = nil.  [resolve(1909,b,294,b),merge(b)].
% 4.52/4.83  14669 c3 = nil.  [back_rewrite(1919),rewrite([14635(5),14635(7)]),flip(c),merge(c),unit_del(b,1760)].
% 4.52/4.83  14670 -ssList(A) | -neq(A,nil) | -segmentP(nil,A).  [back_rewrite(290),rewrite([14669(1),14635(7),14669(9)]),xx(a),merge(d)].
% 4.52/4.83  14671 neq(nil,nil).  [back_rewrite(288),rewrite([14669(1),14635(4)]),xx(a)].
% 4.52/4.83  14769 $F.  [resolve(14671,a,14670,b),unit_del(a,181),unit_del(b,1694)].
% 4.52/4.83  
% 4.52/4.83  % SZS output end Refutation
% 4.52/4.83  ============================== end of proof ==========================
% 4.52/4.83  
% 4.52/4.83  ============================== STATISTICS ============================
% 4.52/4.83  
% 4.52/4.83  Given=1872. Generated=68372. Kept=14577. proofs=1.
% 4.52/4.83  Usable=1491. Sos=4146. Demods=72. Limbo=0, Disabled=9189. Hints=0.
% 4.52/4.83  Megabytes=23.45.
% 4.52/4.83  User_CPU=3.71, System_CPU=0.05, Wall_clock=4.
% 4.52/4.83  
% 4.52/4.83  ============================== end of statistics =====================
% 4.52/4.83  
% 4.52/4.83  ============================== end of search =========================
% 4.52/4.83  
% 4.52/4.83  THEOREM PROVED
% 4.52/4.83  % SZS status Theorem
% 4.52/4.83  
% 4.52/4.83  Exiting with 1 proof.
% 4.52/4.83  
% 4.52/4.83  Process 3960 exit (max_proofs) Sun Jun 12 21:35:14 2022
% 4.52/4.83  Prover9 interrupted
%------------------------------------------------------------------------------