TSTP Solution File: SWC068+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SWC068+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n017.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 21:45:08 EDT 2022

% Result   : Theorem 5.84s 6.13s
% Output   : Refutation 5.84s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : SWC068+1 : TPTP v8.1.0. Released v2.4.0.
% 0.12/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.35  % Computer : n017.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Sun Jun 12 12:17:22 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.47/1.08  ============================== Prover9 ===============================
% 0.47/1.08  Prover9 (32) version 2009-11A, November 2009.
% 0.47/1.08  Process 5865 was started by sandbox on n017.cluster.edu,
% 0.47/1.08  Sun Jun 12 12:17:22 2022
% 0.47/1.08  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_5712_n017.cluster.edu".
% 0.47/1.08  ============================== end of head ===========================
% 0.47/1.08  
% 0.47/1.08  ============================== INPUT =================================
% 0.47/1.08  
% 0.47/1.08  % Reading from file /tmp/Prover9_5712_n017.cluster.edu
% 0.47/1.08  
% 0.47/1.08  set(prolog_style_variables).
% 0.47/1.08  set(auto2).
% 0.47/1.08      % set(auto2) -> set(auto).
% 0.47/1.08      % set(auto) -> set(auto_inference).
% 0.47/1.08      % set(auto) -> set(auto_setup).
% 0.47/1.08      % set(auto_setup) -> set(predicate_elim).
% 0.47/1.08      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.47/1.08      % set(auto) -> set(auto_limits).
% 0.47/1.08      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.47/1.08      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.47/1.08      % set(auto) -> set(auto_denials).
% 0.47/1.08      % set(auto) -> set(auto_process).
% 0.47/1.08      % set(auto2) -> assign(new_constants, 1).
% 0.47/1.08      % set(auto2) -> assign(fold_denial_max, 3).
% 0.47/1.08      % set(auto2) -> assign(max_weight, "200.000").
% 0.47/1.08      % set(auto2) -> assign(max_hours, 1).
% 0.47/1.08      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.47/1.08      % set(auto2) -> assign(max_seconds, 0).
% 0.47/1.08      % set(auto2) -> assign(max_minutes, 5).
% 0.47/1.08      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.47/1.08      % set(auto2) -> set(sort_initial_sos).
% 0.47/1.08      % set(auto2) -> assign(sos_limit, -1).
% 0.47/1.08      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.47/1.08      % set(auto2) -> assign(max_megs, 400).
% 0.47/1.08      % set(auto2) -> assign(stats, some).
% 0.47/1.08      % set(auto2) -> clear(echo_input).
% 0.47/1.08      % set(auto2) -> set(quiet).
% 0.47/1.08      % set(auto2) -> clear(print_initial_clauses).
% 0.47/1.08      % set(auto2) -> clear(print_given).
% 0.47/1.08  assign(lrs_ticks,-1).
% 0.47/1.08  assign(sos_limit,10000).
% 0.47/1.08  assign(order,kbo).
% 0.47/1.08  set(lex_order_vars).
% 0.47/1.08  clear(print_given).
% 0.47/1.08  
% 0.47/1.08  % formulas(sos).  % not echoed (96 formulas)
% 0.47/1.08  
% 0.47/1.08  ============================== end of input ==========================
% 0.47/1.08  
% 0.47/1.08  % From the command line: assign(max_seconds, 300).
% 0.47/1.08  
% 0.47/1.08  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.47/1.08  
% 0.47/1.08  % Formulas that are not ordinary clauses:
% 0.47/1.08  1 (all U (ssItem(U) -> (all V (ssItem(V) -> (neq(U,V) <-> U != V))))) # label(ax1) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  2 (exists U (ssItem(U) & (exists V (ssItem(V) & U != V)))) # label(ax2) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  4 (all U (ssList(U) -> (singletonP(U) <-> (exists V (ssItem(V) & cons(V,nil) = U))))) # label(ax4) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  15 (all U (ssList(U) -> (all V (ssList(V) -> (neq(U,V) <-> U != V))))) # label(ax15) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  16 (all U (ssList(U) -> (all V (ssItem(V) -> ssList(cons(V,U)))))) # label(ax16) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  17 (all U (ssList(U) -> (all V (ssItem(V) -> cons(V,U) != U)))) # label(ax18) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  20 (all U (ssList(U) -> (all V (ssItem(V) -> nil != cons(V,U))))) # label(ax21) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  21 (all U (ssList(U) -> (nil != U -> ssItem(hd(U))))) # label(ax22) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  22 (all U (ssList(U) -> (all V (ssItem(V) -> hd(cons(V,U)) = V)))) # label(ax23) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  23 (all U (ssList(U) -> (nil != U -> ssList(tl(U))))) # label(ax24) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  24 (all U (ssList(U) -> (all V (ssItem(V) -> tl(cons(V,U)) = U)))) # label(ax25) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  25 (all U (ssList(U) -> (all V (ssList(V) -> ssList(app(U,V)))))) # label(ax26) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  27 (all U (ssList(U) -> app(nil,U) = U)) # label(ax28) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  30 (all U (ssItem(U) -> leq(U,U))) # label(ax31) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  31 (all U (ssItem(U) -> (all V (ssItem(V) -> (geq(U,V) <-> leq(V,U)))))) # label(ax32) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  32 (all U (ssItem(U) -> (all V (ssItem(V) -> (lt(U,V) -> -lt(V,U)))))) # label(ax33) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  34 (all U (ssItem(U) -> (all V (ssItem(V) -> (gt(U,V) <-> lt(V,U)))))) # label(ax35) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  37 (all U (ssItem(U) -> -memberP(nil,U))) # label(ax38) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  40 (all U (ssList(U) -> frontsegP(U,U))) # label(ax42) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  43 (all U (ssList(U) -> frontsegP(U,nil))) # label(ax45) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  44 (all U (ssList(U) -> (frontsegP(nil,U) <-> nil = U))) # label(ax46) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  47 (all U (ssList(U) -> rearsegP(U,U))) # label(ax49) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  49 (all U (ssList(U) -> rearsegP(U,nil))) # label(ax51) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  50 (all U (ssList(U) -> (rearsegP(nil,U) <-> nil = U))) # label(ax52) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  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].
% 0.47/1.08  53 (all U (ssList(U) -> segmentP(U,U))) # label(ax55) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  55 (all U (ssList(U) -> segmentP(U,nil))) # label(ax57) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  56 (all U (ssList(U) -> (segmentP(nil,U) <-> nil = U))) # label(ax58) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  57 (all U (ssItem(U) -> cyclefreeP(cons(U,nil)))) # label(ax59) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  58 (all U (ssItem(U) -> totalorderP(cons(U,nil)))) # label(ax61) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  59 (all U (ssItem(U) -> strictorderP(cons(U,nil)))) # label(ax63) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  60 (all U (ssItem(U) -> totalorderedP(cons(U,nil)))) # label(ax65) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.47/1.08  62 (all U (ssItem(U) -> strictorderedP(cons(U,nil)))) # label(ax68) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.08  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].
% 0.82/1.08  64 (all U (ssItem(U) -> duplicatefreeP(cons(U,nil)))) # label(ax71) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  65 (all U (ssItem(U) -> equalelemsP(cons(U,nil)))) # label(ax73) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  66 (all U (ssList(U) -> (nil != U -> (exists V (ssItem(V) & hd(U) = V))))) # label(ax75) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  67 (all U (ssList(U) -> (nil != U -> (exists V (ssList(V) & tl(U) = V))))) # label(ax76) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  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].
% 0.82/1.08  69 (all U (ssList(U) -> (nil != U -> cons(hd(U),tl(U)) = U))) # label(ax78) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  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].
% 0.82/1.08  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].
% 0.82/1.08  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].
% 0.82/1.08  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].
% 0.82/1.08  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].
% 0.82/1.08  75 (all U (ssList(U) -> app(U,nil) = U)) # label(ax84) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  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].
% 0.82/1.08  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].
% 0.82/1.08  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].
% 0.82/1.08  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].
% 0.82/1.08  80 (all U (ssItem(U) -> geq(U,U))) # label(ax89) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  81 (all U (ssItem(U) -> -lt(U,U))) # label(ax90) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  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].
% 0.82/1.08  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].
% 0.82/1.08  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].
% 0.82/1.08  85 (all U (ssItem(U) -> (all V (ssItem(V) -> (gt(U,V) -> -gt(V,U)))))) # label(ax94) # label(axiom) # label(non_clause).  [assumption].
% 0.82/1.08  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].
% 0.82/1.08  87 -(all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (all X (ssList(X) -> app(X,X) != W | V != X | U != W | (exists Y (ssList(Y) & neq(Y,nil) & segmentP(V,Y) & segmentP(U,Y))) | nil = V & nil = U)))))))) # label(co1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.82/1.08  
% 0.82/1.08  ============================== end of process non-clausal formulas ===
% 0.82/1.08  
% 0.82/1.08  ============================== PROCESS INITIAL CLAUSES ===============
% 0.82/1.08  
% 0.82/1.08  ============================== PREDICATE ELIMINATION =================
% 0.82/1.08  88 -ssList(A) | cyclefreeP(A) | ssItem(f8(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.08  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)].
% 0.82/1.09  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)].
% 0.82/1.09  90 -ssList(A) | cyclefreeP(A) | ssItem(f9(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.09  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)].
% 0.82/1.09  91 -ssList(A) | cyclefreeP(A) | ssList(f10(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.09  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)].
% 0.82/1.09  92 -ssList(A) | cyclefreeP(A) | ssList(f11(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.09  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)].
% 0.82/1.09  93 -ssList(A) | cyclefreeP(A) | ssList(f12(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.09  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)].
% 0.82/1.09  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)].
% 0.82/1.09  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)].
% 0.82/1.09  95 -ssList(A) | cyclefreeP(A) | leq(f8(A),f9(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.09  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)].
% 0.82/1.09  96 -ssList(A) | cyclefreeP(A) | leq(f9(A),f8(A)) # label(ax8) # label(axiom).  [clausify(8)].
% 0.82/1.09  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)].
% 0.82/1.09  97 -ssItem(A) | cyclefreeP(cons(A,nil)) # label(ax59) # label(axiom).  [clausify(57)].
% 0.82/1.09  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)].
% 0.82/1.09  98 cyclefreeP(nil) # label(ax60) # label(axiom).  [assumption].
% 0.82/1.09  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)].
% 0.82/1.09  99 -ssList(A) | totalorderP(A) | ssItem(f13(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.09  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)].
% 0.82/1.09  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)].
% 0.82/1.09  101 -ssList(A) | totalorderP(A) | ssItem(f14(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.09  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)].
% 0.82/1.09  102 -ssList(A) | totalorderP(A) | ssList(f15(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.09  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)].
% 0.82/1.09  103 -ssList(A) | totalorderP(A) | ssList(f16(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.10  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)].
% 0.82/1.10  104 -ssList(A) | totalorderP(A) | ssList(f17(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.10  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)].
% 0.82/1.10  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)].
% 0.82/1.10  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)].
% 0.82/1.10  106 -ssList(A) | totalorderP(A) | -leq(f13(A),f14(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.10  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)].
% 0.82/1.10  107 -ssList(A) | totalorderP(A) | -leq(f14(A),f13(A)) # label(ax9) # label(axiom).  [clausify(9)].
% 0.82/1.10  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)].
% 0.82/1.10  108 -ssItem(A) | totalorderP(cons(A,nil)) # label(ax61) # label(axiom).  [clausify(58)].
% 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(108,b,100,b)].
% 0.82/1.10  109 totalorderP(nil) # label(ax62) # 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(109,a,100,b)].
% 0.82/1.10  110 -ssList(A) | strictorderP(A) | ssItem(f18(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.10  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)].
% 0.82/1.10  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)].
% 0.82/1.10  112 -ssList(A) | strictorderP(A) | ssItem(f19(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.10  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)].
% 0.82/1.10  113 -ssList(A) | strictorderP(A) | ssList(f20(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.10  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)].
% 0.82/1.10  114 -ssList(A) | strictorderP(A) | ssList(f21(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.10  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)].
% 0.82/1.10  115 -ssList(A) | strictorderP(A) | ssList(f22(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.10  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)].
% 0.82/1.10  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)].
% 0.82/1.10  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)].
% 0.82/1.10  117 -ssList(A) | strictorderP(A) | -lt(f18(A),f19(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.10  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)].
% 0.82/1.10  118 -ssList(A) | strictorderP(A) | -lt(f19(A),f18(A)) # label(ax10) # label(axiom).  [clausify(10)].
% 0.82/1.10  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)].
% 0.82/1.10  119 -ssItem(A) | strictorderP(cons(A,nil)) # label(ax63) # label(axiom).  [clausify(59)].
% 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) | lt(B,C) | lt(C,B).  [resolve(119,b,111,b)].
% 0.82/1.10  120 strictorderP(nil) # label(ax64) # 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 | lt(A,B) | lt(B,A).  [resolve(120,a,111,b)].
% 0.82/1.11  121 -ssList(A) | duplicatefreeP(A) | ssItem(f33(A)) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.11  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)].
% 0.82/1.11  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)].
% 0.82/1.11  123 -ssList(A) | duplicatefreeP(A) | ssItem(f34(A)) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.11  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)].
% 0.82/1.11  124 -ssList(A) | duplicatefreeP(A) | ssList(f35(A)) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.11  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)].
% 0.82/1.11  125 -ssList(A) | duplicatefreeP(A) | ssList(f36(A)) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.11  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)].
% 0.82/1.11  126 -ssList(A) | duplicatefreeP(A) | ssList(f37(A)) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.11  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)].
% 0.82/1.11  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)].
% 0.82/1.11  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)].
% 0.82/1.11  128 -ssList(A) | duplicatefreeP(A) | f34(A) = f33(A) # label(ax13) # label(axiom).  [clausify(13)].
% 0.82/1.11  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)].
% 0.82/1.11  129 -ssItem(A) | duplicatefreeP(cons(A,nil)) # label(ax71) # label(axiom).  [clausify(64)].
% 0.82/1.11  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)].
% 0.82/1.11  130 duplicatefreeP(nil) # label(ax72) # label(axiom).  [assumption].
% 0.82/1.11  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)].
% 0.82/1.11  131 -ssList(A) | equalelemsP(A) | ssItem(f38(A)) # label(ax14) # label(axiom).  [clausify(14)].
% 0.82/1.11  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)].
% 4.73/5.06  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)].
% 4.73/5.06  133 -ssList(A) | equalelemsP(A) | ssItem(f39(A)) # label(ax14) # label(axiom).  [clausify(14)].
% 4.73/5.06  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)].
% 4.73/5.06  134 -ssList(A) | equalelemsP(A) | ssList(f40(A)) # label(ax14) # label(axiom).  [clausify(14)].
% 4.73/5.06  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)].
% 4.73/5.06  135 -ssList(A) | equalelemsP(A) | ssList(f41(A)) # label(ax14) # label(axiom).  [clausify(14)].
% 4.73/5.06  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)].
% 4.73/5.06  136 -ssList(A) | equalelemsP(A) | app(f40(A),cons(f38(A),cons(f39(A),f41(A)))) = A # label(ax14) # label(axiom).  [clausify(14)].
% 4.73/5.06  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)].
% 4.73/5.06  137 -ssList(A) | equalelemsP(A) | f39(A) != f38(A) # label(ax14) # label(axiom).  [clausify(14)].
% 4.73/5.06  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)].
% 4.73/5.06  138 -ssItem(A) | equalelemsP(cons(A,nil)) # label(ax73) # label(axiom).  [clausify(65)].
% 4.73/5.06  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)].
% 4.73/5.06  139 equalelemsP(nil) # label(ax74) # label(axiom).  [assumption].
% 4.73/5.06  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)].
% 4.73/5.06  
% 4.73/5.06  ============================== end predicate elimination =============
% 4.73/5.06  
% 4.73/5.06  Auto_denials:  (non-Horn, no changes).
% 4.73/5.06  
% 4.73/5.06  Term ordering decisions:
% 4.73/5.06  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.
% 4.73/5.06  
% 4.73/5.06  ============================== end of process initial clauses ========
% 4.73/5.06  
% 4.73/5.06  ============================== CLAUSES FOR SEARCH ====================
% 4.73/5.06  
% 4.73/5.06  ============================== end of clauses for search =============
% 4.73/5.06  
% 4.73/5.06  ============================== SEARCH ================================
% 4.73/5.06  
% 4.73/5.06  % Starting search at 0.29 seconds.
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=41.000, iters=3499
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=38.000, iters=3336
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=35.000, iters=3409
% 4.73/5.06  
% 4.73/5.06  NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 30 (0.00 of 0.82 sec).
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=32.000, iters=3396
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=29.000, iters=3454
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=23.000, iters=3449
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=22.000, iters=3472
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=21.000, iters=3367
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=20.000, iters=3361
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=18.000, iters=3335
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=17.000, iters=3341
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=16.000, iters=3380
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=15.000, iters=3371
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=14.000, iters=3359
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=13.000, iters=3349
% 4.73/5.06  
% 4.73/5.06  Low Water (displace): id=2859, wt=43.000
% 4.73/5.06  
% 4.73/5.06  Low Water (displace): id=14669, wt=12.000
% 4.73/5.06  
% 4.73/5.06  Low Water (displace): id=14676, wt=11.000
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=12.000, iters=3334
% 4.73/5.06  
% 4.73/5.06  Low Water (displace): id=15036, wt=10.000
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=11.000, iters=3334
% 4.73/5.06  
% 4.73/5.06  Low Water (displace): id=18784, wt=8.000
% 4.73/5.06  
% 4.73/5.06  Low Water (keep): wt=10.000, iters=3333
% 5.84/6.13  
% 5.84/6.13  Low Water (displace): id=26998, wt=7.000
% 5.84/6.13  
% 5.84/6.13  ============================== PROOF =================================
% 5.84/6.13  % SZS status Theorem
% 5.84/6.13  % SZS output start Refutation
% 5.84/6.13  
% 5.84/6.13  % Proof 1 at 4.96 (+ 0.11) seconds.
% 5.84/6.13  % Length of proof is 51.
% 5.84/6.13  % Level of proof is 8.
% 5.84/6.13  % Maximum clause weight is 18.000.
% 5.84/6.13  % Given clauses 2632.
% 5.84/6.13  
% 5.84/6.13  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].
% 5.84/6.13  15 (all U (ssList(U) -> (all V (ssList(V) -> (neq(U,V) <-> U != V))))) # label(ax15) # label(axiom) # label(non_clause).  [assumption].
% 5.84/6.13  40 (all U (ssList(U) -> frontsegP(U,U))) # label(ax42) # label(axiom) # label(non_clause).  [assumption].
% 5.84/6.13  53 (all U (ssList(U) -> segmentP(U,U))) # label(ax55) # label(axiom) # label(non_clause).  [assumption].
% 5.84/6.13  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].
% 5.84/6.13  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].
% 5.84/6.13  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].
% 5.84/6.13  75 (all U (ssList(U) -> app(U,nil) = U)) # label(ax84) # label(axiom) # label(non_clause).  [assumption].
% 5.84/6.13  87 -(all U (ssList(U) -> (all V (ssList(V) -> (all W (ssList(W) -> (all X (ssList(X) -> app(X,X) != W | V != X | U != W | (exists Y (ssList(Y) & neq(Y,nil) & segmentP(V,Y) & segmentP(U,Y))) | nil = V & nil = U)))))))) # label(co1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 5.84/6.13  152 -ssList(A) | -ssList(B) | -frontsegP(A,B) | ssList(f4(A,B)) # label(ax5) # label(axiom).  [clausify(5)].
% 5.84/6.13  153 -ssList(A) | -ssList(B) | -frontsegP(A,B) | app(B,f4(A,B)) = A # label(ax5) # label(axiom).  [clausify(5)].
% 5.84/6.13  179 -ssList(A) | -ssList(B) | neq(A,B) | B = A # label(ax15) # label(axiom).  [clausify(15)].
% 5.84/6.13  181 ssList(nil) # label(ax17) # label(axiom).  [assumption].
% 5.84/6.13  215 -ssList(A) | frontsegP(A,A) # label(ax42) # label(axiom).  [clausify(40)].
% 5.84/6.13  232 -ssList(A) | segmentP(A,A) # label(ax55) # label(axiom).  [clausify(53)].
% 5.84/6.13  233 -ssList(A) | -ssList(B) | -ssList(C) | -ssList(D) | -segmentP(A,B) | segmentP(app(app(C,A),D),B) # label(ax56) # label(axiom).  [clausify(54)].
% 5.84/6.13  258 -ssList(A) | -ssList(B) | -ssList(C) | app(B,C) != app(B,A) | C = A # label(ax80) # label(axiom).  [clausify(71)].
% 5.84/6.13  260 -ssList(A) | -ssList(B) | -ssList(C) | app(app(A,B),C) = app(A,app(B,C)) # label(ax82) # label(axiom).  [clausify(73)].
% 5.84/6.13  264 -ssList(A) | app(A,nil) = A # label(ax84) # label(axiom).  [clausify(75)].
% 5.84/6.13  277 ssList(c3) # label(co1) # label(negated_conjecture).  [clausify(87)].
% 5.84/6.13  278 ssList(c4) # label(co1) # label(negated_conjecture).  [clausify(87)].
% 5.84/6.13  281 app(c6,c6) = c5 # label(co1) # label(negated_conjecture).  [clausify(87)].
% 5.84/6.13  282 c6 = c4 # label(co1) # label(negated_conjecture).  [clausify(87)].
% 5.84/6.13  283 c5 = c3 # label(co1) # label(negated_conjecture).  [clausify(87)].
% 5.84/6.13  284 -ssList(A) | -neq(A,nil) | -segmentP(c4,A) | -segmentP(c3,A) # label(co1) # label(negated_conjecture).  [clausify(87)].
% 5.84/6.13  285 nil != c4 | nil != c3 # label(co1) # label(negated_conjecture).  [clausify(87)].
% 5.84/6.13  286 c4 != nil | c3 != nil.  [copy(285),flip(a),flip(b)].
% 5.84/6.13  380 -ssList(A) | -frontsegP(A,A) | ssList(f4(A,A)).  [factor(152,a,b)].
% 5.84/6.13  381 -ssList(A) | -frontsegP(A,A) | app(A,f4(A,A)) = A.  [factor(153,a,b)].
% 5.84/6.13  428 -ssList(A) | -ssList(B) | -ssList(C) | -segmentP(A,A) | segmentP(app(app(B,A),C),A).  [factor(233,a,b)].
% 5.84/6.13  438 -ssList(A) | -ssList(B) | app(app(A,A),B) = app(A,app(A,B)).  [factor(260,a,b)].
% 5.84/6.13  447 app(c4,c4) = c3.  [back_rewrite(281),rewrite([282(1),282(2),283(4)])].
% 5.84/6.13  760 -ssList(A) | -ssList(B) | -segmentP(A,A) | segmentP(app(app(A,A),B),A).  [factor(428,a,b)].
% 5.84/6.13  767 -ssList(A) | app(app(A,A),A) = app(A,app(A,A)).  [factor(438,a,b)].
% 5.84/6.13  1633 -ssList(A) | neq(A,nil) | nil = A.  [resolve(181,a,179,b)].
% 5.84/6.13  1728 app(c3,nil) = c3.  [resolve(277,a,264,a)].
% 5.84/6.13  1738 -ssList(A) | -ssList(B) | app(B,c3) != app(B,A) | c3 = A.  [resolve(277,a,258,c)].
% 5.84/6.13  1756 frontsegP(c3,c3).  [resolve(277,a,215,a)].
% 5.84/6.13  1792 -ssList(A) | app(A,c3) != app(A,A) | c3 = A.  [factor(1738,a,b)].
% 5.84/6.13  1836 segmentP(c4,c4).  [resolve(278,a,232,a)].
% 5.84/6.13  4496 app(c4,c3) = app(c3,c4).  [resolve(767,a,278,a),rewrite([447(3),447(7)]),flip(a)].
% 5.84/6.13  4874 app(c3,f4(c3,c3)) = c3.  [resolve(1756,a,381,b),unit_del(a,277)].
% 5.84/6.13  4875 ssList(f4(c3,c3)).  [resolve(1756,a,380,b),unit_del(a,277)].
% 5.84/6.13  4890 -ssList(A) | segmentP(app(c3,A),c4).  [resolve(1836,a,760,c),rewrite([447(6)]),unit_del(a,278)].
% 5.84/6.13  8884 neq(c4,nil) | c4 = nil.  [resolve(1633,a,278,a),flip(b)].
% 5.84/6.13  16773 c4 = nil | -segmentP(c3,c4).  [resolve(8884,a,284,b),unit_del(b,278),unit_del(c,1836)].
% 5.84/6.13  24208 app(c3,c4) != c3 | c4 = c3.  [resolve(1792,a,278,a),rewrite([4496(3),447(6)]),flip(b)].
% 5.84/6.13  27430 segmentP(c3,c4).  [resolve(4890,a,4875,a),rewrite([4874(5)])].
% 5.84/6.13  27445 c4 = nil.  [back_unit_del(16773),unit_del(b,27430)].
% 5.84/6.13  27450 c3 = nil.  [back_rewrite(24208),rewrite([27445(2),1728(3),27445(4)]),flip(b),xx(a)].
% 5.84/6.13  27476 $F.  [back_rewrite(286),rewrite([27445(1),27450(4)]),xx(a),xx(b)].
% 5.84/6.13  
% 5.84/6.13  % SZS output end Refutation
% 5.84/6.13  ============================== end of proof ==========================
% 5.84/6.13  
% 5.84/6.13  ============================== STATISTICS ============================
% 5.84/6.13  
% 5.84/6.13  Given=2632. Generated=150504. Kept=27291. proofs=1.
% 5.84/6.13  Usable=2010. Sos=5843. Demods=260. Limbo=31, Disabled=19651. Hints=0.
% 5.84/6.13  Megabytes=28.29.
% 5.84/6.13  User_CPU=4.96, System_CPU=0.11, Wall_clock=5.
% 5.84/6.13  
% 5.84/6.13  ============================== end of statistics =====================
% 5.84/6.13  
% 5.84/6.13  ============================== end of search =========================
% 5.84/6.13  
% 5.84/6.13  THEOREM PROVED
% 5.84/6.13  % SZS status Theorem
% 5.84/6.13  
% 5.84/6.13  Exiting with 1 proof.
% 5.84/6.13  
% 5.84/6.13  Process 5865 exit (max_proofs) Sun Jun 12 12:17:27 2022
% 5.84/6.13  Prover9 interrupted
%------------------------------------------------------------------------------