TSTP Solution File: RNG087+2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : RNG087+2 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n003.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Jul 27 13:12:15 EDT 2022

% Result   : Theorem 2.18s 2.37s
% Output   : Refutation 2.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    4
% Syntax   : Number of clauses     :    6 (   4 unt;   0 nHn;   6 RR)
%            Number of literals    :   10 (   3 equ;   6 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   5 con; 0-2 aty)
%            Number of variables   :    4 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(61,axiom,
    ( ~ aElementOf0(A,xI)
    | ~ aElementOf0(B,xJ)
    | xy != sdtpldt0(A,B) ),
    file('RNG087+2.p',unknown),
    [] ).

cnf(62,plain,
    ( ~ aElementOf0(A,xI)
    | ~ aElementOf0(B,xJ)
    | sdtpldt0(A,B) != xy ),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[61])]),
    [iquote('copy,61,flip.3')] ).

cnf(147,axiom,
    aElementOf0(dollar_c4,xI),
    file('RNG087+2.p',unknown),
    [] ).

cnf(148,axiom,
    aElementOf0(dollar_c3,xJ),
    file('RNG087+2.p',unknown),
    [] ).

cnf(149,axiom,
    sdtpldt0(dollar_c4,dollar_c3) = xy,
    file('RNG087+2.p',unknown),
    [] ).

cnf(3188,plain,
    $false,
    inference(hyper,[status(thm)],[149,62,147,148]),
    [iquote('hyper,149,62,147,148')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : RNG087+2 : TPTP v8.1.0. Released v4.0.0.
% 0.12/0.13  % Command  : otter-tptp-script %s
% 0.13/0.34  % Computer : n003.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  : 300
% 0.13/0.34  % DateTime : Wed Jul 27 02:11:56 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.96/2.15  ----- Otter 3.3f, August 2004 -----
% 1.96/2.15  The process was started by sandbox2 on n003.cluster.edu,
% 1.96/2.15  Wed Jul 27 02:11:56 2022
% 1.96/2.15  The command was "./otter".  The process ID is 4582.
% 1.96/2.15  
% 1.96/2.15  set(prolog_style_variables).
% 1.96/2.15  set(auto).
% 1.96/2.15     dependent: set(auto1).
% 1.96/2.15     dependent: set(process_input).
% 1.96/2.15     dependent: clear(print_kept).
% 1.96/2.15     dependent: clear(print_new_demod).
% 1.96/2.15     dependent: clear(print_back_demod).
% 1.96/2.15     dependent: clear(print_back_sub).
% 1.96/2.15     dependent: set(control_memory).
% 1.96/2.15     dependent: assign(max_mem, 12000).
% 1.96/2.15     dependent: assign(pick_given_ratio, 4).
% 1.96/2.15     dependent: assign(stats_level, 1).
% 1.96/2.15     dependent: assign(max_seconds, 10800).
% 1.96/2.15  clear(print_given).
% 1.96/2.15  
% 1.96/2.15  formula_list(usable).
% 1.96/2.15  all A (A=A).
% 1.96/2.15  all W0 (aElement0(W0)->$T).
% 1.96/2.15  aElement0(sz00).
% 1.96/2.15  aElement0(sz10).
% 1.96/2.15  all W0 (aElement0(W0)->aElement0(smndt0(W0))).
% 1.96/2.15  all W0 W1 (aElement0(W0)&aElement0(W1)->aElement0(sdtpldt0(W0,W1))).
% 1.96/2.15  all W0 W1 (aElement0(W0)&aElement0(W1)->aElement0(sdtasdt0(W0,W1))).
% 1.96/2.15  all W0 W1 (aElement0(W0)&aElement0(W1)->sdtpldt0(W0,W1)=sdtpldt0(W1,W0)).
% 1.96/2.15  all W0 W1 W2 (aElement0(W0)&aElement0(W1)&aElement0(W2)->sdtpldt0(sdtpldt0(W0,W1),W2)=sdtpldt0(W0,sdtpldt0(W1,W2))).
% 1.96/2.15  all W0 (aElement0(W0)->sdtpldt0(W0,sz00)=W0&W0=sdtpldt0(sz00,W0)).
% 1.96/2.15  all W0 (aElement0(W0)->sdtpldt0(W0,smndt0(W0))=sz00&sz00=sdtpldt0(smndt0(W0),W0)).
% 1.96/2.15  all W0 W1 (aElement0(W0)&aElement0(W1)->sdtasdt0(W0,W1)=sdtasdt0(W1,W0)).
% 1.96/2.15  all W0 W1 W2 (aElement0(W0)&aElement0(W1)&aElement0(W2)->sdtasdt0(sdtasdt0(W0,W1),W2)=sdtasdt0(W0,sdtasdt0(W1,W2))).
% 1.96/2.15  all W0 (aElement0(W0)->sdtasdt0(W0,sz10)=W0&W0=sdtasdt0(sz10,W0)).
% 1.96/2.15  all W0 W1 W2 (aElement0(W0)&aElement0(W1)&aElement0(W2)->sdtasdt0(W0,sdtpldt0(W1,W2))=sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2))&sdtasdt0(sdtpldt0(W1,W2),W0)=sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0))).
% 1.96/2.15  all W0 (aElement0(W0)->sdtasdt0(smndt0(sz10),W0)=smndt0(W0)&smndt0(W0)=sdtasdt0(W0,smndt0(sz10))).
% 1.96/2.15  all W0 (aElement0(W0)->sdtasdt0(W0,sz00)=sz00&sz00=sdtasdt0(sz00,W0)).
% 1.96/2.15  all W0 W1 (aElement0(W0)&aElement0(W1)-> (sdtasdt0(W0,W1)=sz00->W0=sz00|W1=sz00)).
% 1.96/2.15  sz10!=sz00.
% 1.96/2.15  all W0 (aSet0(W0)->$T).
% 1.96/2.15  all W0 (aSet0(W0)-> (all W1 (aElementOf0(W1,W0)->aElement0(W1)))).
% 1.96/2.15  all W0 W1 (aSet0(W0)&aSet0(W1)-> ((all W2 (aElementOf0(W2,W0)->aElementOf0(W2,W1)))& (all W2 (aElementOf0(W2,W1)->aElementOf0(W2,W0)))->W0=W1)).
% 1.96/2.15  all W0 W1 (aSet0(W0)&aSet0(W1)-> (all W2 (W2=sdtpldt1(W0,W1)<->aSet0(W2)& (all W3 (aElementOf0(W3,W2)<-> (exists W4 W5 (aElementOf0(W4,W0)&aElementOf0(W5,W1)&sdtpldt0(W4,W5)=W3))))))).
% 1.96/2.15  all W0 W1 (aSet0(W0)&aSet0(W1)-> (all W2 (W2=sdtasasdt0(W0,W1)<->aSet0(W2)& (all W3 (aElementOf0(W3,W2)<->aElementOf0(W3,W0)&aElementOf0(W3,W1)))))).
% 1.96/2.15  all W0 (aIdeal0(W0)<->aSet0(W0)& (all W1 (aElementOf0(W1,W0)-> (all W2 (aElementOf0(W2,W0)->aElementOf0(sdtpldt0(W1,W2),W0)))& (all W2 (aElement0(W2)->aElementOf0(sdtasdt0(W2,W1),W0)))))).
% 1.96/2.15  aSet0(xI).
% 1.96/2.15  all W0 (aElementOf0(W0,xI)-> (all W1 (aElementOf0(W1,xI)->aElementOf0(sdtpldt0(W0,W1),xI)))& (all W1 (aElement0(W1)->aElementOf0(sdtasdt0(W1,W0),xI)))).
% 1.96/2.15  aIdeal0(xI).
% 1.96/2.15  aSet0(xJ).
% 1.96/2.15  all W0 (aElementOf0(W0,xJ)-> (all W1 (aElementOf0(W1,xJ)->aElementOf0(sdtpldt0(W0,W1),xJ)))& (all W1 (aElement0(W1)->aElementOf0(sdtasdt0(W1,W0),xJ)))).
% 1.96/2.15  aIdeal0(xJ).
% 1.96/2.15  exists W0 W1 (aElementOf0(W0,xI)&aElementOf0(W1,xJ)&sdtpldt0(W0,W1)=xx).
% 1.96/2.15  aElementOf0(xx,sdtpldt1(xI,xJ)).
% 1.96/2.15  exists W0 W1 (aElementOf0(W0,xI)&aElementOf0(W1,xJ)&sdtpldt0(W0,W1)=xy).
% 1.96/2.15  aElementOf0(xy,sdtpldt1(xI,xJ)).
% 1.96/2.15  aElement0(xz).
% 1.96/2.15  aElementOf0(xk,xI).
% 1.96/2.15  aElementOf0(xl,xJ).
% 1.96/2.15  xx=sdtpldt0(xk,xl).
% 1.96/2.15  -(exists W0 W1 (aElementOf0(W0,xI)&aElementOf0(W1,xJ)&xy=sdtpldt0(W0,W1))).
% 1.96/2.15  end_of_list.
% 1.96/2.15  
% 1.96/2.15  -------> usable clausifies to:
% 1.96/2.15  
% 1.96/2.15  list(usable).
% 1.96/2.15  0 [] A=A.
% 1.96/2.15  0 [] -aElement0(W0)|$T.
% 1.96/2.15  0 [] aElement0(sz00).
% 1.96/2.15  0 [] aElement0(sz10).
% 1.96/2.15  0 [] -aElement0(W0)|aElement0(smndt0(W0)).
% 1.96/2.15  0 [] -aElement0(W0)| -aElement0(W1)|aElement0(sdtpldt0(W0,W1)).
% 1.96/2.15  0 [] -aElement0(W0)| -aElement0(W1)|aElement0(sdtasdt0(W0,W1)).
% 1.96/2.15  0 [] -aElement0(W0)| -aElement0(W1)|sdtpldt0(W0,W1)=sdtpldt0(W1,W0).
% 1.96/2.15  0 [] -aElement0(W0)| -aElement0(W1)| -aElement0(W2)|sdtpldt0(sdtpldt0(W0,W1),W2)=sdtpldt0(W0,sdtpldt0(W1,W2)).
% 1.96/2.15  0 [] -aElement0(W0)|sdtpldt0(W0,sz00)=W0.
% 1.96/2.15  0 [] -aElement0(W0)|W0=sdtpldt0(sz00,W0).
% 1.96/2.15  0 [] -aElement0(W0)|sdtpldt0(W0,smndt0(W0))=sz00.
% 1.96/2.15  0 [] -aElement0(W0)|sz00=sdtpldt0(smndt0(W0),W0).
% 1.96/2.15  0 [] -aElement0(W0)| -aElement0(W1)|sdtasdt0(W0,W1)=sdtasdt0(W1,W0).
% 1.96/2.15  0 [] -aElement0(W0)| -aElement0(W1)| -aElement0(W2)|sdtasdt0(sdtasdt0(W0,W1),W2)=sdtasdt0(W0,sdtasdt0(W1,W2)).
% 1.96/2.15  0 [] -aElement0(W0)|sdtasdt0(W0,sz10)=W0.
% 1.96/2.15  0 [] -aElement0(W0)|W0=sdtasdt0(sz10,W0).
% 1.96/2.15  0 [] -aElement0(W0)| -aElement0(W1)| -aElement0(W2)|sdtasdt0(W0,sdtpldt0(W1,W2))=sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)).
% 1.96/2.15  0 [] -aElement0(W0)| -aElement0(W1)| -aElement0(W2)|sdtasdt0(sdtpldt0(W1,W2),W0)=sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)).
% 1.96/2.15  0 [] -aElement0(W0)|sdtasdt0(smndt0(sz10),W0)=smndt0(W0).
% 1.96/2.15  0 [] -aElement0(W0)|smndt0(W0)=sdtasdt0(W0,smndt0(sz10)).
% 1.96/2.15  0 [] -aElement0(W0)|sdtasdt0(W0,sz00)=sz00.
% 1.96/2.15  0 [] -aElement0(W0)|sz00=sdtasdt0(sz00,W0).
% 1.96/2.15  0 [] -aElement0(W0)| -aElement0(W1)|sdtasdt0(W0,W1)!=sz00|W0=sz00|W1=sz00.
% 1.96/2.15  0 [] sz10!=sz00.
% 1.96/2.15  0 [] -aSet0(W0)|$T.
% 1.96/2.15  0 [] -aSet0(W0)| -aElementOf0(W1,W0)|aElement0(W1).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|aElementOf0($f1(W0,W1),W0)|aElementOf0($f2(W0,W1),W1)|W0=W1.
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|aElementOf0($f1(W0,W1),W0)| -aElementOf0($f2(W0,W1),W0)|W0=W1.
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)| -aElementOf0($f1(W0,W1),W1)|aElementOf0($f2(W0,W1),W1)|W0=W1.
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)| -aElementOf0($f1(W0,W1),W1)| -aElementOf0($f2(W0,W1),W0)|W0=W1.
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2!=sdtpldt1(W0,W1)|aSet0(W2).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2!=sdtpldt1(W0,W1)| -aElementOf0(W3,W2)|aElementOf0($f4(W0,W1,W2,W3),W0).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2!=sdtpldt1(W0,W1)| -aElementOf0(W3,W2)|aElementOf0($f3(W0,W1,W2,W3),W1).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2!=sdtpldt1(W0,W1)| -aElementOf0(W3,W2)|sdtpldt0($f4(W0,W1,W2,W3),$f3(W0,W1,W2,W3))=W3.
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2!=sdtpldt1(W0,W1)|aElementOf0(W3,W2)| -aElementOf0(W4,W0)| -aElementOf0(W5,W1)|sdtpldt0(W4,W5)!=W3.
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2=sdtpldt1(W0,W1)| -aSet0(W2)|aElementOf0($f7(W0,W1,W2),W2)|aElementOf0($f6(W0,W1,W2),W0).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2=sdtpldt1(W0,W1)| -aSet0(W2)|aElementOf0($f7(W0,W1,W2),W2)|aElementOf0($f5(W0,W1,W2),W1).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2=sdtpldt1(W0,W1)| -aSet0(W2)|aElementOf0($f7(W0,W1,W2),W2)|sdtpldt0($f6(W0,W1,W2),$f5(W0,W1,W2))=$f7(W0,W1,W2).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2=sdtpldt1(W0,W1)| -aSet0(W2)| -aElementOf0($f7(W0,W1,W2),W2)| -aElementOf0(X1,W0)| -aElementOf0(X2,W1)|sdtpldt0(X1,X2)!=$f7(W0,W1,W2).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2!=sdtasasdt0(W0,W1)|aSet0(W2).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2!=sdtasasdt0(W0,W1)| -aElementOf0(W3,W2)|aElementOf0(W3,W0).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2!=sdtasasdt0(W0,W1)| -aElementOf0(W3,W2)|aElementOf0(W3,W1).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2!=sdtasasdt0(W0,W1)|aElementOf0(W3,W2)| -aElementOf0(W3,W0)| -aElementOf0(W3,W1).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2=sdtasasdt0(W0,W1)| -aSet0(W2)|aElementOf0($f8(W0,W1,W2),W2)|aElementOf0($f8(W0,W1,W2),W0).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2=sdtasasdt0(W0,W1)| -aSet0(W2)|aElementOf0($f8(W0,W1,W2),W2)|aElementOf0($f8(W0,W1,W2),W1).
% 1.96/2.15  0 [] -aSet0(W0)| -aSet0(W1)|W2=sdtasasdt0(W0,W1)| -aSet0(W2)| -aElementOf0($f8(W0,W1,W2),W2)| -aElementOf0($f8(W0,W1,W2),W0)| -aElementOf0($f8(W0,W1,W2),W1).
% 1.96/2.15  0 [] -aIdeal0(W0)|aSet0(W0).
% 1.96/2.15  0 [] -aIdeal0(W0)| -aElementOf0(W1,W0)| -aElementOf0(W2,W0)|aElementOf0(sdtpldt0(W1,W2),W0).
% 1.96/2.15  0 [] -aIdeal0(W0)| -aElementOf0(W1,W0)| -aElement0(X3)|aElementOf0(sdtasdt0(X3,W1),W0).
% 1.96/2.15  0 [] aIdeal0(W0)| -aSet0(W0)|aElementOf0($f11(W0),W0).
% 1.96/2.15  0 [] aIdeal0(W0)| -aSet0(W0)|aElementOf0($f9(W0),W0)|aElement0($f10(W0)).
% 1.96/2.15  0 [] aIdeal0(W0)| -aSet0(W0)|aElementOf0($f9(W0),W0)| -aElementOf0(sdtasdt0($f10(W0),$f11(W0)),W0).
% 1.96/2.15  0 [] aIdeal0(W0)| -aSet0(W0)| -aElementOf0(sdtpldt0($f11(W0),$f9(W0)),W0)|aElement0($f10(W0)).
% 1.96/2.15  0 [] aIdeal0(W0)| -aSet0(W0)| -aElementOf0(sdtpldt0($f11(W0),$f9(W0)),W0)| -aElementOf0(sdtasdt0($f10(W0),$f11(W0)),W0).
% 1.96/2.15  0 [] aSet0(xI).
% 1.96/2.15  0 [] -aElementOf0(W0,xI)| -aElementOf0(W1,xI)|aElementOf0(sdtpldt0(W0,W1),xI).
% 1.96/2.15  0 [] -aElementOf0(W0,xI)| -aElement0(X4)|aElementOf0(sdtasdt0(X4,W0),xI).
% 1.96/2.15  0 [] aIdeal0(xI).
% 1.96/2.15  0 [] aSet0(xJ).
% 1.96/2.15  0 [] -aElementOf0(W0,xJ)| -aElementOf0(W1,xJ)|aElementOf0(sdtpldt0(W0,W1),xJ).
% 1.96/2.15  0 [] -aElementOf0(W0,xJ)| -aElement0(X5)|aElementOf0(sdtasdt0(X5,W0),xJ).
% 1.96/2.16  0 [] aIdeal0(xJ).
% 1.96/2.16  0 [] aElementOf0($c2,xI).
% 1.96/2.16  0 [] aElementOf0($c1,xJ).
% 1.96/2.16  0 [] sdtpldt0($c2,$c1)=xx.
% 1.96/2.16  0 [] aElementOf0(xx,sdtpldt1(xI,xJ)).
% 1.96/2.16  0 [] aElementOf0($c4,xI).
% 1.96/2.16  0 [] aElementOf0($c3,xJ).
% 1.96/2.16  0 [] sdtpldt0($c4,$c3)=xy.
% 1.96/2.16  0 [] aElementOf0(xy,sdtpldt1(xI,xJ)).
% 1.96/2.16  0 [] aElement0(xz).
% 1.96/2.16  0 [] aElementOf0(xk,xI).
% 1.96/2.16  0 [] aElementOf0(xl,xJ).
% 1.96/2.16  0 [] xx=sdtpldt0(xk,xl).
% 1.96/2.16  0 [] -aElementOf0(W0,xI)| -aElementOf0(W1,xJ)|xy!=sdtpldt0(W0,W1).
% 1.96/2.16  end_of_list.
% 1.96/2.16  
% 1.96/2.16  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=8.
% 1.96/2.16  
% 1.96/2.16  This ia a non-Horn set with equality.  The strategy will be
% 1.96/2.16  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.96/2.16  deletion, with positive clauses in sos and nonpositive
% 1.96/2.16  clauses in usable.
% 1.96/2.16  
% 1.96/2.16     dependent: set(knuth_bendix).
% 1.96/2.16     dependent: set(anl_eq).
% 1.96/2.16     dependent: set(para_from).
% 1.96/2.16     dependent: set(para_into).
% 1.96/2.16     dependent: clear(para_from_right).
% 1.96/2.16     dependent: clear(para_into_right).
% 1.96/2.16     dependent: set(para_from_vars).
% 1.96/2.16     dependent: set(eq_units_both_ways).
% 1.96/2.16     dependent: set(dynamic_demod_all).
% 1.96/2.16     dependent: set(dynamic_demod).
% 1.96/2.16     dependent: set(order_eq).
% 1.96/2.16     dependent: set(back_demod).
% 1.96/2.16     dependent: set(lrpo).
% 1.96/2.16     dependent: set(hyper_res).
% 1.96/2.16     dependent: set(unit_deletion).
% 1.96/2.16     dependent: set(factor).
% 1.96/2.16  
% 1.96/2.16  ------------> process usable:
% 1.96/2.16  ** KEPT (pick-wt=5): 1 [] -aElement0(A)|aElement0(smndt0(A)).
% 1.96/2.16  ** KEPT (pick-wt=8): 2 [] -aElement0(A)| -aElement0(B)|aElement0(sdtpldt0(A,B)).
% 1.96/2.16  ** KEPT (pick-wt=8): 3 [] -aElement0(A)| -aElement0(B)|aElement0(sdtasdt0(A,B)).
% 1.96/2.16  ** KEPT (pick-wt=11): 4 [] -aElement0(A)| -aElement0(B)|sdtpldt0(A,B)=sdtpldt0(B,A).
% 1.96/2.16  ** KEPT (pick-wt=17): 5 [] -aElement0(A)| -aElement0(B)| -aElement0(C)|sdtpldt0(sdtpldt0(A,B),C)=sdtpldt0(A,sdtpldt0(B,C)).
% 1.96/2.16  ** KEPT (pick-wt=7): 6 [] -aElement0(A)|sdtpldt0(A,sz00)=A.
% 1.96/2.16  ** KEPT (pick-wt=7): 8 [copy,7,flip.2] -aElement0(A)|sdtpldt0(sz00,A)=A.
% 1.96/2.16  ** KEPT (pick-wt=8): 9 [] -aElement0(A)|sdtpldt0(A,smndt0(A))=sz00.
% 1.96/2.16  ** KEPT (pick-wt=8): 11 [copy,10,flip.2] -aElement0(A)|sdtpldt0(smndt0(A),A)=sz00.
% 1.96/2.16  ** KEPT (pick-wt=11): 12 [] -aElement0(A)| -aElement0(B)|sdtasdt0(A,B)=sdtasdt0(B,A).
% 1.96/2.16  ** KEPT (pick-wt=17): 13 [] -aElement0(A)| -aElement0(B)| -aElement0(C)|sdtasdt0(sdtasdt0(A,B),C)=sdtasdt0(A,sdtasdt0(B,C)).
% 1.96/2.16  ** KEPT (pick-wt=7): 14 [] -aElement0(A)|sdtasdt0(A,sz10)=A.
% 1.96/2.16  ** KEPT (pick-wt=7): 16 [copy,15,flip.2] -aElement0(A)|sdtasdt0(sz10,A)=A.
% 1.96/2.16  ** KEPT (pick-wt=19): 18 [copy,17,flip.4] -aElement0(A)| -aElement0(B)| -aElement0(C)|sdtpldt0(sdtasdt0(A,B),sdtasdt0(A,C))=sdtasdt0(A,sdtpldt0(B,C)).
% 1.96/2.16  ** KEPT (pick-wt=19): 20 [copy,19,flip.4] -aElement0(A)| -aElement0(B)| -aElement0(C)|sdtpldt0(sdtasdt0(B,A),sdtasdt0(C,A))=sdtasdt0(sdtpldt0(B,C),A).
% 1.96/2.16  ** KEPT (pick-wt=9): 21 [] -aElement0(A)|sdtasdt0(smndt0(sz10),A)=smndt0(A).
% 1.96/2.16  ** KEPT (pick-wt=9): 22 [] -aElement0(A)|smndt0(A)=sdtasdt0(A,smndt0(sz10)).
% 1.96/2.16  ** KEPT (pick-wt=7): 23 [] -aElement0(A)|sdtasdt0(A,sz00)=sz00.
% 1.96/2.16  ** KEPT (pick-wt=7): 25 [copy,24,flip.2] -aElement0(A)|sdtasdt0(sz00,A)=sz00.
% 1.96/2.16  ** KEPT (pick-wt=15): 26 [] -aElement0(A)| -aElement0(B)|sdtasdt0(A,B)!=sz00|A=sz00|B=sz00.
% 1.96/2.16  ** KEPT (pick-wt=3): 27 [] sz10!=sz00.
% 1.96/2.16  ** KEPT (pick-wt=7): 28 [] -aSet0(A)| -aElementOf0(B,A)|aElement0(B).
% 1.96/2.16  ** KEPT (pick-wt=17): 29 [] -aSet0(A)| -aSet0(B)|aElementOf0($f1(A,B),A)|aElementOf0($f2(A,B),B)|A=B.
% 1.96/2.16  ** KEPT (pick-wt=17): 30 [] -aSet0(A)| -aSet0(B)|aElementOf0($f1(A,B),A)| -aElementOf0($f2(A,B),A)|A=B.
% 1.96/2.16  ** KEPT (pick-wt=17): 31 [] -aSet0(A)| -aSet0(B)| -aElementOf0($f1(A,B),B)|aElementOf0($f2(A,B),B)|A=B.
% 1.96/2.16  ** KEPT (pick-wt=17): 32 [] -aSet0(A)| -aSet0(B)| -aElementOf0($f1(A,B),B)| -aElementOf0($f2(A,B),A)|A=B.
% 1.96/2.16  ** KEPT (pick-wt=11): 33 [] -aSet0(A)| -aSet0(B)|C!=sdtpldt1(A,B)|aSet0(C).
% 1.96/2.16  ** KEPT (pick-wt=19): 34 [] -aSet0(A)| -aSet0(B)|C!=sdtpldt1(A,B)| -aElementOf0(D,C)|aElementOf0($f4(A,B,C,D),A).
% 1.96/2.16  ** KEPT (pick-wt=19): 35 [] -aSet0(A)| -aSet0(B)|C!=sdtpldt1(A,B)| -aElementOf0(D,C)|aElementOf0($f3(A,B,C,D),B).
% 1.96/2.16  ** KEPT (pick-wt=25): 36 [] -aSet0(A)| -aSet0(B)|C!=sdtpldt1(A,B)| -aElementOf0(D,C)|sdtpldt0($f4(A,B,C,D),$f3(A,B,C,D))=D.
% 1.96/2.16  ** KEPT (pick-wt=23): 37 [] -aSet0(A)| -aSet0(B)|C!=sdtpldt1(A,B)|aElementOf0(D,C)| -aElementOf0(E,A)| -aElementOf0(F,B)|sdtpldt0(E,F)!=D.
% 1.96/2.16  ** KEPT (pick-wt=23): 38 [] -aSet0(A)| -aSet0(B)|C=sdtpldt1(A,B)| -aSet0(C)|aElementOf0($f7(A,B,C),C)|aElementOf0($f6(A,B,C),A).
% 1.96/2.16  ** KEPT (pick-wt=23): 39 [] -aSet0(A)| -aSet0(B)|C=sdtpldt1(A,B)| -aSet0(C)|aElementOf0($f7(A,B,C),C)|aElementOf0($f5(A,B,C),B).
% 1.96/2.16  ** KEPT (pick-wt=31): 40 [] -aSet0(A)| -aSet0(B)|C=sdtpldt1(A,B)| -aSet0(C)|aElementOf0($f7(A,B,C),C)|sdtpldt0($f6(A,B,C),$f5(A,B,C))=$f7(A,B,C).
% 1.96/2.16  ** KEPT (pick-wt=31): 41 [] -aSet0(A)| -aSet0(B)|C=sdtpldt1(A,B)| -aSet0(C)| -aElementOf0($f7(A,B,C),C)| -aElementOf0(D,A)| -aElementOf0(E,B)|sdtpldt0(D,E)!=$f7(A,B,C).
% 1.96/2.16  ** KEPT (pick-wt=11): 42 [] -aSet0(A)| -aSet0(B)|C!=sdtasasdt0(A,B)|aSet0(C).
% 1.96/2.16  ** KEPT (pick-wt=15): 43 [] -aSet0(A)| -aSet0(B)|C!=sdtasasdt0(A,B)| -aElementOf0(D,C)|aElementOf0(D,A).
% 1.96/2.16  ** KEPT (pick-wt=15): 44 [] -aSet0(A)| -aSet0(B)|C!=sdtasasdt0(A,B)| -aElementOf0(D,C)|aElementOf0(D,B).
% 1.96/2.16  ** KEPT (pick-wt=18): 45 [] -aSet0(A)| -aSet0(B)|C!=sdtasasdt0(A,B)|aElementOf0(D,C)| -aElementOf0(D,A)| -aElementOf0(D,B).
% 1.96/2.16  ** KEPT (pick-wt=23): 46 [] -aSet0(A)| -aSet0(B)|C=sdtasasdt0(A,B)| -aSet0(C)|aElementOf0($f8(A,B,C),C)|aElementOf0($f8(A,B,C),A).
% 1.96/2.16  ** KEPT (pick-wt=23): 47 [] -aSet0(A)| -aSet0(B)|C=sdtasasdt0(A,B)| -aSet0(C)|aElementOf0($f8(A,B,C),C)|aElementOf0($f8(A,B,C),B).
% 1.96/2.16  ** KEPT (pick-wt=29): 48 [] -aSet0(A)| -aSet0(B)|C=sdtasasdt0(A,B)| -aSet0(C)| -aElementOf0($f8(A,B,C),C)| -aElementOf0($f8(A,B,C),A)| -aElementOf0($f8(A,B,C),B).
% 1.96/2.16  ** KEPT (pick-wt=4): 49 [] -aIdeal0(A)|aSet0(A).
% 1.96/2.16  ** KEPT (pick-wt=13): 50 [] -aIdeal0(A)| -aElementOf0(B,A)| -aElementOf0(C,A)|aElementOf0(sdtpldt0(B,C),A).
% 1.96/2.16  ** KEPT (pick-wt=12): 51 [] -aIdeal0(A)| -aElementOf0(B,A)| -aElement0(C)|aElementOf0(sdtasdt0(C,B),A).
% 1.96/2.16  ** KEPT (pick-wt=8): 52 [] aIdeal0(A)| -aSet0(A)|aElementOf0($f11(A),A).
% 1.96/2.16  ** KEPT (pick-wt=11): 53 [] aIdeal0(A)| -aSet0(A)|aElementOf0($f9(A),A)|aElement0($f10(A)).
% 1.96/2.16  ** KEPT (pick-wt=15): 54 [] aIdeal0(A)| -aSet0(A)|aElementOf0($f9(A),A)| -aElementOf0(sdtasdt0($f10(A),$f11(A)),A).
% 1.96/2.16  ** KEPT (pick-wt=14): 55 [] aIdeal0(A)| -aSet0(A)| -aElementOf0(sdtpldt0($f11(A),$f9(A)),A)|aElement0($f10(A)).
% 1.96/2.16  ** KEPT (pick-wt=18): 56 [] aIdeal0(A)| -aSet0(A)| -aElementOf0(sdtpldt0($f11(A),$f9(A)),A)| -aElementOf0(sdtasdt0($f10(A),$f11(A)),A).
% 1.96/2.16  ** KEPT (pick-wt=11): 57 [] -aElementOf0(A,xI)| -aElementOf0(B,xI)|aElementOf0(sdtpldt0(A,B),xI).
% 1.96/2.16  ** KEPT (pick-wt=10): 58 [] -aElementOf0(A,xI)| -aElement0(B)|aElementOf0(sdtasdt0(B,A),xI).
% 1.96/2.16  ** KEPT (pick-wt=11): 59 [] -aElementOf0(A,xJ)| -aElementOf0(B,xJ)|aElementOf0(sdtpldt0(A,B),xJ).
% 1.96/2.16  ** KEPT (pick-wt=10): 60 [] -aElementOf0(A,xJ)| -aElement0(B)|aElementOf0(sdtasdt0(B,A),xJ).
% 1.96/2.16  ** KEPT (pick-wt=11): 62 [copy,61,flip.3] -aElementOf0(A,xI)| -aElementOf0(B,xJ)|sdtpldt0(A,B)!=xy.
% 1.96/2.16  112 back subsumes 111.
% 1.96/2.16  
% 1.96/2.16  ------------> process sos:
% 1.96/2.16  ** KEPT (pick-wt=3): 135 [] A=A.
% 1.96/2.16  ** KEPT (pick-wt=2): 136 [] aElement0(sz00).
% 1.96/2.16  ** KEPT (pick-wt=2): 137 [] aElement0(sz10).
% 1.96/2.16  ** KEPT (pick-wt=2): 138 [] aSet0(xI).
% 1.96/2.16  ** KEPT (pick-wt=2): 139 [] aIdeal0(xI).
% 1.96/2.16  ** KEPT (pick-wt=2): 140 [] aSet0(xJ).
% 1.96/2.16  ** KEPT (pick-wt=2): 141 [] aIdeal0(xJ).
% 1.96/2.16  ** KEPT (pick-wt=3): 142 [] aElementOf0($c2,xI).
% 1.96/2.16  ** KEPT (pick-wt=3): 143 [] aElementOf0($c1,xJ).
% 1.96/2.16  ** KEPT (pick-wt=5): 144 [] sdtpldt0($c2,$c1)=xx.
% 1.96/2.16  ---> New Demodulator: 145 [new_demod,144] sdtpldt0($c2,$c1)=xx.
% 1.96/2.16  ** KEPT (pick-wt=5): 146 [] aElementOf0(xx,sdtpldt1(xI,xJ)).
% 1.96/2.16  ** KEPT (pick-wt=3): 147 [] aElementOf0($c4,xI).
% 1.96/2.16  ** KEPT (pick-wt=3): 148 [] aElementOf0($c3,xJ).
% 1.96/2.16  ** KEPT (pick-wt=5): 149 [] sdtpldt0($c4,$c3)=xy.
% 1.96/2.16  ---> New Demodulator: 150 [new_demod,149] sdtpldt0($c4,$c3)=xy.
% 1.96/2.16  ** KEPT (pick-wt=5): 151 [] aElementOf0(xy,sdtpldt1(xI,xJ)).
% 1.96/2.16  ** KEPT (pick-wt=2): 152 [] aElement0(xz).
% 1.96/2.16  ** KEPT (pick-wt=3): 153 [] aElementOf0(xk,xI).
% 1.96/2.16  ** KEPT (pick-wt=3): 154 [] aElementOf0(xl,xJ).
% 1.96/2.16  ** KEPT (pick-wt=5): 156 [copy,155,flip.1] sdtpldt0(xk,xl)=xx.
% 1.96/2.16  ---> New Demodulator: 157 [new_demod,156] sdtpldt0(xk,xl)=xx.
% 1.96/2.16    Following clause subsumed by 135 during input processing: 0 [copy,135,flip.1] A=A.
% 1.96/2.16  135 back subsumes 83.
% 1.96/2.16  135 back subsumes 82.
% 1.96/2.16  135 back subsumes 81.
% 1.96/2.16  135 back subsumes 80.
% 1.96/2.16  135 back subsumes 69.
% 1.96/2.16  135 back subsumes 65.
% 1.96/2.16  >>>> Starting back demodulation with 145.
% 1.96/2.16  >>>> Starting back demodulation with 150.
% 2.18/2.37  >>>> Starting back demodulation with 157.
% 2.18/2.37  
% 2.18/2.37  ======= end of input processing =======
% 2.18/2.37  
% 2.18/2.37  =========== start of search ===========
% 2.18/2.37  
% 2.18/2.37  
% 2.18/2.37  Resetting weight limit to 5.
% 2.18/2.37  
% 2.18/2.37  
% 2.18/2.37  Resetting weight limit to 5.
% 2.18/2.37  
% 2.18/2.37  sos_size=1144
% 2.18/2.37  
% 2.18/2.37  -------- PROOF -------- 
% 2.18/2.37  
% 2.18/2.37  -----> EMPTY CLAUSE at   0.22 sec ----> 3188 [hyper,149,62,147,148] $F.
% 2.18/2.37  
% 2.18/2.37  Length of proof is 1.  Level of proof is 1.
% 2.18/2.37  
% 2.18/2.37  ---------------- PROOF ----------------
% 2.18/2.37  % SZS status Theorem
% 2.18/2.37  % SZS output start Refutation
% See solution above
% 2.18/2.37  ------------ end of proof -------------
% 2.18/2.37  
% 2.18/2.37  
% 2.18/2.37  Search stopped by max_proofs option.
% 2.18/2.37  
% 2.18/2.37  
% 2.18/2.37  Search stopped by max_proofs option.
% 2.18/2.37  
% 2.18/2.37  ============ end of search ============
% 2.18/2.37  
% 2.18/2.37  -------------- statistics -------------
% 2.18/2.37  clauses given                 26
% 2.18/2.37  clauses generated          12658
% 2.18/2.37  clauses kept                2084
% 2.18/2.37  clauses forward subsumed    2698
% 2.18/2.37  clauses back subsumed         21
% 2.18/2.37  Kbytes malloced             4882
% 2.18/2.37  
% 2.18/2.37  ----------- times (seconds) -----------
% 2.18/2.37  user CPU time          0.22          (0 hr, 0 min, 0 sec)
% 2.18/2.37  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 2.18/2.37  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.18/2.37  
% 2.18/2.37  That finishes the proof of the theorem.
% 2.18/2.37  
% 2.18/2.37  Process 4582 finished Wed Jul 27 02:11:58 2022
% 2.18/2.37  Otter interrupted
% 2.18/2.37  PROOF FOUND
%------------------------------------------------------------------------------