TSTP Solution File: SEU238+1 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SEU238+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %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  : 300s
% DateTime : Thu Aug 31 16:23:41 EDT 2023

% Result   : Theorem 0.85s 0.93s
% Output   : CNFRefutation 0.85s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   45
% Syntax   : Number of formulae    :   97 (  14 unt;  35 typ;   0 def)
%            Number of atoms       :  215 (  25 equ)
%            Maximal formula atoms :   16 (   3 avg)
%            Number of connectives :  264 ( 111   ~; 100   |;  32   &)
%                                         (   4 <=>;  17  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   26 (  20   >;   6   *;   0   +;   0  <<)
%            Number of predicates  :   16 (  14 usr;   1 prp; 0-2 aty)
%            Number of functors    :   21 (  21 usr;  15 con; 0-2 aty)
%            Number of variables   :   76 (   0 sgn;  38   !;   2   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
tff(decl_22,type,
    in: ( $i * $i ) > $o ).

tff(decl_23,type,
    proper_subset: ( $i * $i ) > $o ).

tff(decl_24,type,
    empty: $i > $o ).

tff(decl_25,type,
    function: $i > $o ).

tff(decl_26,type,
    ordinal: $i > $o ).

tff(decl_27,type,
    epsilon_transitive: $i > $o ).

tff(decl_28,type,
    epsilon_connected: $i > $o ).

tff(decl_29,type,
    relation: $i > $o ).

tff(decl_30,type,
    one_to_one: $i > $o ).

tff(decl_31,type,
    set_union2: ( $i * $i ) > $i ).

tff(decl_32,type,
    ordinal_subset: ( $i * $i ) > $o ).

tff(decl_33,type,
    succ: $i > $i ).

tff(decl_34,type,
    singleton: $i > $i ).

tff(decl_35,type,
    subset: ( $i * $i ) > $o ).

tff(decl_36,type,
    element: ( $i * $i ) > $o ).

tff(decl_37,type,
    empty_set: $i ).

tff(decl_38,type,
    relation_empty_yielding: $i > $o ).

tff(decl_39,type,
    powerset: $i > $i ).

tff(decl_40,type,
    being_limit_ordinal: $i > $o ).

tff(decl_41,type,
    esk1_1: $i > $i ).

tff(decl_42,type,
    esk2_0: $i ).

tff(decl_43,type,
    esk3_0: $i ).

tff(decl_44,type,
    esk4_0: $i ).

tff(decl_45,type,
    esk5_0: $i ).

tff(decl_46,type,
    esk6_0: $i ).

tff(decl_47,type,
    esk7_0: $i ).

tff(decl_48,type,
    esk8_0: $i ).

tff(decl_49,type,
    esk9_0: $i ).

tff(decl_50,type,
    esk10_0: $i ).

tff(decl_51,type,
    esk11_0: $i ).

tff(decl_52,type,
    esk12_0: $i ).

tff(decl_53,type,
    esk13_0: $i ).

tff(decl_54,type,
    esk14_1: $i > $i ).

tff(decl_55,type,
    esk15_0: $i ).

tff(decl_56,type,
    esk16_0: $i ).

fof(antisymmetry_r2_hidden,axiom,
    ! [X1,X2] :
      ( in(X1,X2)
     => ~ in(X2,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

fof(t10_ordinal1,axiom,
    ! [X1] : in(X1,succ(X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t10_ordinal1) ).

fof(d1_ordinal1,axiom,
    ! [X1] : succ(X1) = set_union2(X1,singleton(X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_ordinal1) ).

fof(t41_ordinal1,axiom,
    ! [X1] :
      ( ordinal(X1)
     => ( being_limit_ordinal(X1)
      <=> ! [X2] :
            ( ordinal(X2)
           => ( in(X2,X1)
             => in(succ(X2),X1) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t41_ordinal1) ).

fof(fc3_ordinal1,axiom,
    ! [X1] :
      ( ordinal(X1)
     => ( ~ empty(succ(X1))
        & epsilon_transitive(succ(X1))
        & epsilon_connected(succ(X1))
        & ordinal(succ(X1)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc3_ordinal1) ).

fof(t42_ordinal1,conjecture,
    ! [X1] :
      ( ordinal(X1)
     => ( ~ ( ~ being_limit_ordinal(X1)
            & ! [X2] :
                ( ordinal(X2)
               => X1 != succ(X2) ) )
        & ~ ( ? [X2] :
                ( ordinal(X2)
                & X1 = succ(X2) )
            & being_limit_ordinal(X1) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t42_ordinal1) ).

fof(t33_ordinal1,axiom,
    ! [X1] :
      ( ordinal(X1)
     => ! [X2] :
          ( ordinal(X2)
         => ( in(X1,X2)
          <=> ordinal_subset(succ(X1),X2) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t33_ordinal1) ).

fof(redefinition_r1_ordinal1,axiom,
    ! [X1,X2] :
      ( ( ordinal(X1)
        & ordinal(X2) )
     => ( ordinal_subset(X1,X2)
      <=> subset(X1,X2) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',redefinition_r1_ordinal1) ).

fof(d8_xboole_0,axiom,
    ! [X1,X2] :
      ( proper_subset(X1,X2)
    <=> ( subset(X1,X2)
        & X1 != X2 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d8_xboole_0) ).

fof(t21_ordinal1,axiom,
    ! [X1] :
      ( epsilon_transitive(X1)
     => ! [X2] :
          ( ordinal(X2)
         => ( proper_subset(X1,X2)
           => in(X1,X2) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t21_ordinal1) ).

fof(c_0_10,plain,
    ! [X1,X2] :
      ( in(X1,X2)
     => ~ in(X2,X1) ),
    inference(fof_simplification,[status(thm)],[antisymmetry_r2_hidden]) ).

fof(c_0_11,plain,
    ! [X50] : in(X50,succ(X50)),
    inference(variable_rename,[status(thm)],[t10_ordinal1]) ).

fof(c_0_12,plain,
    ! [X18] : succ(X18) = set_union2(X18,singleton(X18)),
    inference(variable_rename,[status(thm)],[d1_ordinal1]) ).

fof(c_0_13,plain,
    ! [X4,X5] :
      ( ~ in(X4,X5)
      | ~ in(X5,X4) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_10])]) ).

cnf(c_0_14,plain,
    in(X1,succ(X1)),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_15,plain,
    succ(X1) = set_union2(X1,singleton(X1)),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

fof(c_0_16,plain,
    ! [X62,X63] :
      ( ( ~ being_limit_ordinal(X62)
        | ~ ordinal(X63)
        | ~ in(X63,X62)
        | in(succ(X63),X62)
        | ~ ordinal(X62) )
      & ( ordinal(esk14_1(X62))
        | being_limit_ordinal(X62)
        | ~ ordinal(X62) )
      & ( in(esk14_1(X62),X62)
        | being_limit_ordinal(X62)
        | ~ ordinal(X62) )
      & ( ~ in(succ(esk14_1(X62)),X62)
        | being_limit_ordinal(X62)
        | ~ ordinal(X62) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t41_ordinal1])])])])]) ).

fof(c_0_17,plain,
    ! [X1] :
      ( ordinal(X1)
     => ( ~ empty(succ(X1))
        & epsilon_transitive(succ(X1))
        & epsilon_connected(succ(X1))
        & ordinal(succ(X1)) ) ),
    inference(fof_simplification,[status(thm)],[fc3_ordinal1]) ).

cnf(c_0_18,plain,
    ( ~ in(X1,X2)
    | ~ in(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_19,plain,
    in(X1,set_union2(X1,singleton(X1))),
    inference(rw,[status(thm)],[c_0_14,c_0_15]) ).

cnf(c_0_20,plain,
    ( in(succ(X2),X1)
    | ~ being_limit_ordinal(X1)
    | ~ ordinal(X2)
    | ~ in(X2,X1)
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

fof(c_0_21,plain,
    ! [X28] :
      ( ( ~ empty(succ(X28))
        | ~ ordinal(X28) )
      & ( epsilon_transitive(succ(X28))
        | ~ ordinal(X28) )
      & ( epsilon_connected(succ(X28))
        | ~ ordinal(X28) )
      & ( ordinal(succ(X28))
        | ~ ordinal(X28) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_17])])]) ).

fof(c_0_22,negated_conjecture,
    ~ ! [X1] :
        ( ordinal(X1)
       => ( ~ ( ~ being_limit_ordinal(X1)
              & ! [X2] :
                  ( ordinal(X2)
                 => X1 != succ(X2) ) )
          & ~ ( ? [X2] :
                  ( ordinal(X2)
                  & X1 = succ(X2) )
              & being_limit_ordinal(X1) ) ) ),
    inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[t42_ordinal1])]) ).

fof(c_0_23,plain,
    ! [X58,X59] :
      ( ( ~ in(X58,X59)
        | ordinal_subset(succ(X58),X59)
        | ~ ordinal(X59)
        | ~ ordinal(X58) )
      & ( ~ ordinal_subset(succ(X58),X59)
        | in(X58,X59)
        | ~ ordinal(X59)
        | ~ ordinal(X58) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t33_ordinal1])])])]) ).

cnf(c_0_24,plain,
    ~ in(set_union2(X1,singleton(X1)),X1),
    inference(spm,[status(thm)],[c_0_18,c_0_19]) ).

cnf(c_0_25,plain,
    ( in(set_union2(X2,singleton(X2)),X1)
    | ~ ordinal(X2)
    | ~ ordinal(X1)
    | ~ being_limit_ordinal(X1)
    | ~ in(X2,X1) ),
    inference(rw,[status(thm)],[c_0_20,c_0_15]) ).

cnf(c_0_26,plain,
    ( ordinal(succ(X1))
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

fof(c_0_27,negated_conjecture,
    ! [X66] :
      ( ordinal(esk15_0)
      & ( ordinal(esk16_0)
        | ~ being_limit_ordinal(esk15_0) )
      & ( esk15_0 = succ(esk16_0)
        | ~ being_limit_ordinal(esk15_0) )
      & ( being_limit_ordinal(esk15_0)
        | ~ being_limit_ordinal(esk15_0) )
      & ( ordinal(esk16_0)
        | ~ ordinal(X66)
        | esk15_0 != succ(X66) )
      & ( esk15_0 = succ(esk16_0)
        | ~ ordinal(X66)
        | esk15_0 != succ(X66) )
      & ( being_limit_ordinal(esk15_0)
        | ~ ordinal(X66)
        | esk15_0 != succ(X66) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_22])])])])]) ).

fof(c_0_28,plain,
    ! [X45,X46] :
      ( ( ~ ordinal_subset(X45,X46)
        | subset(X45,X46)
        | ~ ordinal(X45)
        | ~ ordinal(X46) )
      & ( ~ subset(X45,X46)
        | ordinal_subset(X45,X46)
        | ~ ordinal(X45)
        | ~ ordinal(X46) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[redefinition_r1_ordinal1])])]) ).

cnf(c_0_29,plain,
    ( ordinal_subset(succ(X1),X2)
    | ~ in(X1,X2)
    | ~ ordinal(X2)
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_30,plain,
    ( ~ being_limit_ordinal(X1)
    | ~ ordinal(X1)
    | ~ in(X1,X1) ),
    inference(spm,[status(thm)],[c_0_24,c_0_25]) ).

cnf(c_0_31,plain,
    ( ordinal(set_union2(X1,singleton(X1)))
    | ~ ordinal(X1) ),
    inference(rw,[status(thm)],[c_0_26,c_0_15]) ).

cnf(c_0_32,negated_conjecture,
    ( esk15_0 = succ(esk16_0)
    | ~ being_limit_ordinal(esk15_0) ),
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

fof(c_0_33,plain,
    ! [X19,X20] :
      ( ( subset(X19,X20)
        | ~ proper_subset(X19,X20) )
      & ( X19 != X20
        | ~ proper_subset(X19,X20) )
      & ( ~ subset(X19,X20)
        | X19 = X20
        | proper_subset(X19,X20) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d8_xboole_0])])]) ).

cnf(c_0_34,plain,
    ( subset(X1,X2)
    | ~ ordinal_subset(X1,X2)
    | ~ ordinal(X1)
    | ~ ordinal(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_28]) ).

cnf(c_0_35,plain,
    ( ordinal_subset(set_union2(X1,singleton(X1)),X2)
    | ~ ordinal(X2)
    | ~ ordinal(X1)
    | ~ in(X1,X2) ),
    inference(rw,[status(thm)],[c_0_29,c_0_15]) ).

cnf(c_0_36,plain,
    ( ~ being_limit_ordinal(set_union2(X1,singleton(X1)))
    | ~ ordinal(X1) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_30,c_0_25]),c_0_19])]),c_0_31]) ).

cnf(c_0_37,negated_conjecture,
    ( esk15_0 = set_union2(esk16_0,singleton(esk16_0))
    | ~ being_limit_ordinal(esk15_0) ),
    inference(rw,[status(thm)],[c_0_32,c_0_15]) ).

cnf(c_0_38,negated_conjecture,
    ( ordinal(esk16_0)
    | ~ being_limit_ordinal(esk15_0) ),
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

cnf(c_0_39,plain,
    ( ordinal(esk14_1(X1))
    | being_limit_ordinal(X1)
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_40,negated_conjecture,
    ordinal(esk15_0),
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

cnf(c_0_41,plain,
    ( X1 = X2
    | proper_subset(X1,X2)
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_33]) ).

cnf(c_0_42,plain,
    ( subset(set_union2(X1,singleton(X1)),X2)
    | ~ ordinal(X2)
    | ~ ordinal(X1)
    | ~ in(X1,X2) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_34,c_0_35]),c_0_31]) ).

cnf(c_0_43,plain,
    ( in(esk14_1(X1),X1)
    | being_limit_ordinal(X1)
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_44,negated_conjecture,
    ~ being_limit_ordinal(esk15_0),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_36,c_0_37]),c_0_38]) ).

cnf(c_0_45,negated_conjecture,
    ( being_limit_ordinal(esk15_0)
    | ordinal(esk14_1(esk15_0)) ),
    inference(spm,[status(thm)],[c_0_39,c_0_40]) ).

fof(c_0_46,plain,
    ! [X54,X55] :
      ( ~ epsilon_transitive(X54)
      | ~ ordinal(X55)
      | ~ proper_subset(X54,X55)
      | in(X54,X55) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t21_ordinal1])])]) ).

cnf(c_0_47,plain,
    ( set_union2(X1,singleton(X1)) = X2
    | proper_subset(set_union2(X1,singleton(X1)),X2)
    | ~ ordinal(X2)
    | ~ ordinal(X1)
    | ~ in(X1,X2) ),
    inference(spm,[status(thm)],[c_0_41,c_0_42]) ).

cnf(c_0_48,negated_conjecture,
    in(esk14_1(esk15_0),esk15_0),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_43,c_0_40]),c_0_44]) ).

cnf(c_0_49,negated_conjecture,
    ordinal(esk14_1(esk15_0)),
    inference(sr,[status(thm)],[c_0_45,c_0_44]) ).

cnf(c_0_50,plain,
    ( in(X1,X2)
    | ~ epsilon_transitive(X1)
    | ~ ordinal(X2)
    | ~ proper_subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_46]) ).

cnf(c_0_51,negated_conjecture,
    ( set_union2(esk14_1(esk15_0),singleton(esk14_1(esk15_0))) = esk15_0
    | proper_subset(set_union2(esk14_1(esk15_0),singleton(esk14_1(esk15_0))),esk15_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_48]),c_0_40]),c_0_49])]) ).

cnf(c_0_52,plain,
    ( epsilon_transitive(succ(X1))
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

cnf(c_0_53,plain,
    ( being_limit_ordinal(X1)
    | ~ in(succ(esk14_1(X1)),X1)
    | ~ ordinal(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_54,negated_conjecture,
    ( set_union2(esk14_1(esk15_0),singleton(esk14_1(esk15_0))) = esk15_0
    | in(set_union2(esk14_1(esk15_0),singleton(esk14_1(esk15_0))),esk15_0)
    | ~ epsilon_transitive(set_union2(esk14_1(esk15_0),singleton(esk14_1(esk15_0)))) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_50,c_0_51]),c_0_40])]) ).

cnf(c_0_55,plain,
    ( epsilon_transitive(set_union2(X1,singleton(X1)))
    | ~ ordinal(X1) ),
    inference(rw,[status(thm)],[c_0_52,c_0_15]) ).

cnf(c_0_56,negated_conjecture,
    ( being_limit_ordinal(esk15_0)
    | ~ ordinal(X1)
    | esk15_0 != succ(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

cnf(c_0_57,plain,
    ( being_limit_ordinal(X1)
    | ~ ordinal(X1)
    | ~ in(set_union2(esk14_1(X1),singleton(esk14_1(X1))),X1) ),
    inference(rw,[status(thm)],[c_0_53,c_0_15]) ).

cnf(c_0_58,negated_conjecture,
    ( set_union2(esk14_1(esk15_0),singleton(esk14_1(esk15_0))) = esk15_0
    | in(set_union2(esk14_1(esk15_0),singleton(esk14_1(esk15_0))),esk15_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_54,c_0_55]),c_0_49])]) ).

cnf(c_0_59,negated_conjecture,
    ( being_limit_ordinal(esk15_0)
    | esk15_0 != set_union2(X1,singleton(X1))
    | ~ ordinal(X1) ),
    inference(rw,[status(thm)],[c_0_56,c_0_15]) ).

cnf(c_0_60,negated_conjecture,
    set_union2(esk14_1(esk15_0),singleton(esk14_1(esk15_0))) = esk15_0,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_57,c_0_58]),c_0_40])]),c_0_44]) ).

cnf(c_0_61,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_59,c_0_60]),c_0_49])]),c_0_44]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SEU238+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.13  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.14/0.35  % Computer : n019.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit   : 300
% 0.14/0.35  % WCLimit    : 300
% 0.14/0.35  % DateTime   : Wed Aug 23 12:40:13 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.21/0.57  start to proof: theBenchmark
% 0.85/0.93  % Version  : CSE_E---1.5
% 0.85/0.93  % Problem  : theBenchmark.p
% 0.85/0.93  % Proof found
% 0.85/0.93  % SZS status Theorem for theBenchmark.p
% 0.85/0.93  % SZS output start Proof
% See solution above
% 0.85/0.93  % Total time : 0.347000 s
% 0.85/0.93  % SZS output end Proof
% 0.85/0.93  % Total time : 0.351000 s
%------------------------------------------------------------------------------