TSTP Solution File: LCL077-2 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : LCL077-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n018.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 : Sun Jul 17 12:49:15 EDT 2022

% Result   : Unsatisfiable 0.19s 0.57s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   65 (  36 unt;   0 nHn;  25 RR)
%            Number of literals    :  103 (   0 equ;  39 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-2 aty)
%            Number of variables   :  137 (  28 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(condensed_detachment,axiom,
    ( ~ is_a_theorem(implies(X,Y))
    | ~ is_a_theorem(X)
    | is_a_theorem(Y) ) ).

cnf(cn_18,axiom,
    is_a_theorem(implies(X,implies(Y,X))) ).

cnf(cn_35,axiom,
    is_a_theorem(implies(implies(X,implies(Y,Z)),implies(implies(X,Y),implies(X,Z)))) ).

cnf(cn_49,axiom,
    is_a_theorem(implies(implies(not(X),not(Y)),implies(Y,X))) ).

cnf(transitivity,axiom,
    ( ~ is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X2,X3))
    | is_a_theorem(implies(X1,X3)) ) ).

cnf(prove_cn_39,negated_conjecture,
    ~ is_a_theorem(implies(not(not(a)),a)) ).

cnf(refute_0_0,plain,
    is_a_theorem(implies(X_28,implies(Y,X_28))),
    inference(subst,[],[cn_18:[bind(X,$fot(X_28))]]) ).

cnf(refute_0_1,plain,
    ( ~ is_a_theorem(implies(X_28,implies(Y,X_28)))
    | ~ is_a_theorem(implies(implies(Y,X_28),X_30))
    | is_a_theorem(implies(X_28,X_30)) ),
    inference(subst,[],[transitivity:[bind(X1,$fot(X_28)),bind(X2,$fot(implies(Y,X_28))),bind(X3,$fot(X_30))]]) ).

cnf(refute_0_2,plain,
    ( ~ is_a_theorem(implies(implies(Y,X_28),X_30))
    | is_a_theorem(implies(X_28,X_30)) ),
    inference(resolve,[$cnf( is_a_theorem(implies(X_28,implies(Y,X_28))) )],[refute_0_0,refute_0_1]) ).

cnf(refute_0_3,plain,
    ( ~ is_a_theorem(implies(implies(not(not(implies(not(X_581),not(X_581)))),not(not(X_581))),X_581))
    | is_a_theorem(implies(not(not(X_581)),X_581)) ),
    inference(subst,[],[refute_0_2:[bind(Y,$fot(not(not(implies(not(X_581),not(X_581)))))),bind(X_28,$fot(not(not(X_581)))),bind(X_30,$fot(X_581))]]) ).

cnf(refute_0_4,plain,
    ( ~ is_a_theorem(implies(X_120,implies(X_120,X_121)))
    | ~ is_a_theorem(implies(implies(X_120,implies(X_120,X_121)),implies(X_120,X_121)))
    | is_a_theorem(implies(X_120,X_121)) ),
    inference(subst,[],[condensed_detachment:[bind(X,$fot(implies(X_120,implies(X_120,X_121)))),bind(Y,$fot(implies(X_120,X_121)))]]) ).

cnf(refute_0_5,plain,
    ( ~ is_a_theorem(implies(X,implies(Y,Z)))
    | ~ is_a_theorem(implies(implies(X,implies(Y,Z)),implies(implies(X,Y),implies(X,Z))))
    | is_a_theorem(implies(implies(X,Y),implies(X,Z))) ),
    inference(subst,[],[condensed_detachment:[bind(X,$fot(implies(X,implies(Y,Z)))),bind(Y,$fot(implies(implies(X,Y),implies(X,Z))))]]) ).

cnf(refute_0_6,plain,
    ( ~ is_a_theorem(implies(X,implies(Y,Z)))
    | is_a_theorem(implies(implies(X,Y),implies(X,Z))) ),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(X,implies(Y,Z)),implies(implies(X,Y),implies(X,Z)))) )],[cn_35,refute_0_5]) ).

cnf(refute_0_7,plain,
    ( ~ is_a_theorem(implies(X_105,implies(implies(X_105,X_106),X_106)))
    | is_a_theorem(implies(implies(X_105,implies(X_105,X_106)),implies(X_105,X_106))) ),
    inference(subst,[],[refute_0_6:[bind(X,$fot(X_105)),bind(Y,$fot(implies(X_105,X_106))),bind(Z,$fot(X_106))]]) ).

cnf(refute_0_8,plain,
    ( ~ is_a_theorem(implies(implies(X_58,X_59),implies(X_58,X_59)))
    | is_a_theorem(implies(implies(implies(X_58,X_59),X_58),implies(implies(X_58,X_59),X_59))) ),
    inference(subst,[],[refute_0_6:[bind(X,$fot(implies(X_58,X_59))),bind(Y,$fot(X_58)),bind(Z,$fot(X_59))]]) ).

cnf(refute_0_9,plain,
    ( ~ is_a_theorem(implies(X_56,implies(X_57,X_57)))
    | is_a_theorem(implies(implies(X_56,X_57),implies(X_56,X_57))) ),
    inference(subst,[],[refute_0_6:[bind(X,$fot(X_56)),bind(Y,$fot(X_57)),bind(Z,$fot(X_57))]]) ).

cnf(refute_0_10,plain,
    is_a_theorem(implies(X_7,implies(Y,X_7))),
    inference(subst,[],[cn_18:[bind(X,$fot(X_7))]]) ).

cnf(refute_0_11,plain,
    ( ~ is_a_theorem(X_7)
    | ~ is_a_theorem(implies(X_7,implies(Y,X_7)))
    | is_a_theorem(implies(Y,X_7)) ),
    inference(subst,[],[condensed_detachment:[bind(X,$fot(X_7)),bind(Y,$fot(implies(Y,X_7)))]]) ).

cnf(refute_0_12,plain,
    ( ~ is_a_theorem(X_7)
    | is_a_theorem(implies(Y,X_7)) ),
    inference(resolve,[$cnf( is_a_theorem(implies(X_7,implies(Y,X_7))) )],[refute_0_10,refute_0_11]) ).

cnf(refute_0_13,plain,
    ( ~ is_a_theorem(implies(X,implies(Y,X)))
    | is_a_theorem(implies(X_9,implies(X,implies(Y,X)))) ),
    inference(subst,[],[refute_0_12:[bind(Y,$fot(X_9)),bind(X_7,$fot(implies(X,implies(Y,X))))]]) ).

cnf(refute_0_14,plain,
    is_a_theorem(implies(X_9,implies(X,implies(Y,X)))),
    inference(resolve,[$cnf( is_a_theorem(implies(X,implies(Y,X))) )],[cn_18,refute_0_13]) ).

cnf(refute_0_15,plain,
    is_a_theorem(implies(X_28,implies(X,implies(Y,X)))),
    inference(subst,[],[refute_0_14:[bind(X_9,$fot(X_28))]]) ).

cnf(refute_0_16,plain,
    ( ~ is_a_theorem(implies(X_28,implies(X,implies(Y,X))))
    | ~ is_a_theorem(implies(implies(X,implies(Y,X)),X_30))
    | is_a_theorem(implies(X_28,X_30)) ),
    inference(subst,[],[transitivity:[bind(X1,$fot(X_28)),bind(X2,$fot(implies(X,implies(Y,X)))),bind(X3,$fot(X_30))]]) ).

cnf(refute_0_17,plain,
    ( ~ is_a_theorem(implies(implies(X,implies(Y,X)),X_30))
    | is_a_theorem(implies(X_28,X_30)) ),
    inference(resolve,[$cnf( is_a_theorem(implies(X_28,implies(X,implies(Y,X)))) )],[refute_0_15,refute_0_16]) ).

cnf(refute_0_18,plain,
    ( ~ is_a_theorem(implies(implies(X_53,implies(Y,X_53)),implies(X_53,X_53)))
    | is_a_theorem(implies(X_28,implies(X_53,X_53))) ),
    inference(subst,[],[refute_0_17:[bind(X,$fot(X_53)),bind(X_30,$fot(implies(X_53,X_53)))]]) ).

cnf(refute_0_19,plain,
    is_a_theorem(implies(X_48,implies(X_47,X_48))),
    inference(subst,[],[cn_18:[bind(X,$fot(X_48)),bind(Y,$fot(X_47))]]) ).

cnf(refute_0_20,plain,
    ( ~ is_a_theorem(implies(X_48,implies(X_47,X_48)))
    | is_a_theorem(implies(implies(X_48,X_47),implies(X_48,X_48))) ),
    inference(subst,[],[refute_0_6:[bind(X,$fot(X_48)),bind(Y,$fot(X_47)),bind(Z,$fot(X_48))]]) ).

cnf(refute_0_21,plain,
    is_a_theorem(implies(implies(X_48,X_47),implies(X_48,X_48))),
    inference(resolve,[$cnf( is_a_theorem(implies(X_48,implies(X_47,X_48))) )],[refute_0_19,refute_0_20]) ).

cnf(refute_0_22,plain,
    is_a_theorem(implies(implies(X_53,implies(Y,X_53)),implies(X_53,X_53))),
    inference(subst,[],[refute_0_21:[bind(X_47,$fot(implies(Y,X_53))),bind(X_48,$fot(X_53))]]) ).

cnf(refute_0_23,plain,
    is_a_theorem(implies(X_28,implies(X_53,X_53))),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(X_53,implies(Y,X_53)),implies(X_53,X_53))) )],[refute_0_22,refute_0_18]) ).

cnf(refute_0_24,plain,
    is_a_theorem(implies(X_56,implies(X_57,X_57))),
    inference(subst,[],[refute_0_23:[bind(X_28,$fot(X_56)),bind(X_53,$fot(X_57))]]) ).

cnf(refute_0_25,plain,
    is_a_theorem(implies(implies(X_56,X_57),implies(X_56,X_57))),
    inference(resolve,[$cnf( is_a_theorem(implies(X_56,implies(X_57,X_57))) )],[refute_0_24,refute_0_9]) ).

cnf(refute_0_26,plain,
    is_a_theorem(implies(implies(X_58,X_59),implies(X_58,X_59))),
    inference(subst,[],[refute_0_25:[bind(X_56,$fot(X_58)),bind(X_57,$fot(X_59))]]) ).

cnf(refute_0_27,plain,
    is_a_theorem(implies(implies(implies(X_58,X_59),X_58),implies(implies(X_58,X_59),X_59))),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(X_58,X_59),implies(X_58,X_59))) )],[refute_0_26,refute_0_8]) ).

cnf(refute_0_28,plain,
    is_a_theorem(implies(implies(implies(X_101,X_59),X_101),implies(implies(X_101,X_59),X_59))),
    inference(subst,[],[refute_0_27:[bind(X_58,$fot(X_101))]]) ).

cnf(refute_0_29,plain,
    ( ~ is_a_theorem(implies(implies(implies(X_101,X_59),X_101),implies(implies(X_101,X_59),X_59)))
    | is_a_theorem(implies(X_101,implies(implies(X_101,X_59),X_59))) ),
    inference(subst,[],[refute_0_2:[bind(Y,$fot(implies(X_101,X_59))),bind(X_28,$fot(X_101)),bind(X_30,$fot(implies(implies(X_101,X_59),X_59)))]]) ).

cnf(refute_0_30,plain,
    is_a_theorem(implies(X_101,implies(implies(X_101,X_59),X_59))),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(implies(X_101,X_59),X_101),implies(implies(X_101,X_59),X_59))) )],[refute_0_28,refute_0_29]) ).

cnf(refute_0_31,plain,
    is_a_theorem(implies(X_105,implies(implies(X_105,X_106),X_106))),
    inference(subst,[],[refute_0_30:[bind(X_101,$fot(X_105)),bind(X_59,$fot(X_106))]]) ).

cnf(refute_0_32,plain,
    is_a_theorem(implies(implies(X_105,implies(X_105,X_106)),implies(X_105,X_106))),
    inference(resolve,[$cnf( is_a_theorem(implies(X_105,implies(implies(X_105,X_106),X_106))) )],[refute_0_31,refute_0_7]) ).

cnf(refute_0_33,plain,
    is_a_theorem(implies(implies(X_120,implies(X_120,X_121)),implies(X_120,X_121))),
    inference(subst,[],[refute_0_32:[bind(X_105,$fot(X_120)),bind(X_106,$fot(X_121))]]) ).

cnf(refute_0_34,plain,
    ( ~ is_a_theorem(implies(X_120,implies(X_120,X_121)))
    | is_a_theorem(implies(X_120,X_121)) ),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(X_120,implies(X_120,X_121)),implies(X_120,X_121))) )],[refute_0_33,refute_0_4]) ).

cnf(refute_0_35,plain,
    ( ~ is_a_theorem(implies(implies(not(X_408),not(implies(not(X_408),not(X_408)))),implies(implies(not(X_408),not(implies(not(X_408),not(X_408)))),X_408)))
    | is_a_theorem(implies(implies(not(X_408),not(implies(not(X_408),not(X_408)))),X_408)) ),
    inference(subst,[],[refute_0_34:[bind(X_120,$fot(implies(not(X_408),not(implies(not(X_408),not(X_408)))))),bind(X_121,$fot(X_408))]]) ).

cnf(refute_0_36,plain,
    is_a_theorem(implies(implies(not(X_48),not(X_47)),implies(X_47,X_48))),
    inference(subst,[],[cn_49:[bind(X,$fot(X_48)),bind(Y,$fot(X_47))]]) ).

cnf(refute_0_37,plain,
    ( ~ is_a_theorem(implies(implies(not(X_48),not(X_47)),implies(X_47,X_48)))
    | is_a_theorem(implies(implies(implies(not(X_48),not(X_47)),X_47),implies(implies(not(X_48),not(X_47)),X_48))) ),
    inference(subst,[],[refute_0_6:[bind(X,$fot(implies(not(X_48),not(X_47)))),bind(Y,$fot(X_47)),bind(Z,$fot(X_48))]]) ).

cnf(refute_0_38,plain,
    is_a_theorem(implies(implies(implies(not(X_48),not(X_47)),X_47),implies(implies(not(X_48),not(X_47)),X_48))),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(not(X_48),not(X_47)),implies(X_47,X_48))) )],[refute_0_36,refute_0_37]) ).

cnf(refute_0_39,plain,
    is_a_theorem(implies(implies(implies(not(X_48),not(implies(not(X_48),not(X_48)))),implies(not(X_48),not(X_48))),implies(implies(not(X_48),not(implies(not(X_48),not(X_48)))),X_48))),
    inference(subst,[],[refute_0_38:[bind(X_47,$fot(implies(not(X_48),not(X_48))))]]) ).

cnf(refute_0_40,plain,
    ( ~ is_a_theorem(implies(X_37,implies(implies(X_35,X_36),implies(X_35,X_35))))
    | ~ is_a_theorem(implies(implies(implies(X_35,X_36),implies(X_35,X_35)),X3))
    | is_a_theorem(implies(X_37,X3)) ),
    inference(subst,[],[transitivity:[bind(X1,$fot(X_37)),bind(X2,$fot(implies(implies(X_35,X_36),implies(X_35,X_35))))]]) ).

cnf(refute_0_41,plain,
    is_a_theorem(implies(implies(X_31,implies(X_32,X_31)),implies(implies(X_31,X_32),implies(X_31,X_31)))),
    inference(subst,[],[cn_35:[bind(X,$fot(X_31)),bind(Y,$fot(X_32)),bind(Z,$fot(X_31))]]) ).

cnf(refute_0_42,plain,
    ( ~ is_a_theorem(implies(implies(X_31,implies(X_32,X_31)),implies(implies(X_31,X_32),implies(X_31,X_31))))
    | is_a_theorem(implies(X_33,implies(implies(X_31,X_32),implies(X_31,X_31)))) ),
    inference(subst,[],[refute_0_17:[bind(X,$fot(X_31)),bind(Y,$fot(X_32)),bind(X_28,$fot(X_33)),bind(X_30,$fot(implies(implies(X_31,X_32),implies(X_31,X_31))))]]) ).

cnf(refute_0_43,plain,
    is_a_theorem(implies(X_33,implies(implies(X_31,X_32),implies(X_31,X_31)))),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(X_31,implies(X_32,X_31)),implies(implies(X_31,X_32),implies(X_31,X_31)))) )],[refute_0_41,refute_0_42]) ).

cnf(refute_0_44,plain,
    is_a_theorem(implies(X_37,implies(implies(X_35,X_36),implies(X_35,X_35)))),
    inference(subst,[],[refute_0_43:[bind(X_31,$fot(X_35)),bind(X_32,$fot(X_36)),bind(X_33,$fot(X_37))]]) ).

cnf(refute_0_45,plain,
    ( ~ is_a_theorem(implies(implies(implies(X_35,X_36),implies(X_35,X_35)),X3))
    | is_a_theorem(implies(X_37,X3)) ),
    inference(resolve,[$cnf( is_a_theorem(implies(X_37,implies(implies(X_35,X_36),implies(X_35,X_35)))) )],[refute_0_44,refute_0_40]) ).

cnf(refute_0_46,plain,
    ( ~ is_a_theorem(implies(implies(implies(not(X_48),not(implies(not(X_48),not(X_48)))),implies(not(X_48),not(X_48))),implies(implies(not(X_48),not(implies(not(X_48),not(X_48)))),X_48)))
    | is_a_theorem(implies(X_406,implies(implies(not(X_48),not(implies(not(X_48),not(X_48)))),X_48))) ),
    inference(subst,[],[refute_0_45:[bind(X3,$fot(implies(implies(not(X_48),not(implies(not(X_48),not(X_48)))),X_48))),bind(X_35,$fot(not(X_48))),bind(X_36,$fot(not(implies(not(X_48),not(X_48))))),bind(X_37,$fot(X_406))]]) ).

cnf(refute_0_47,plain,
    is_a_theorem(implies(X_406,implies(implies(not(X_48),not(implies(not(X_48),not(X_48)))),X_48))),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(implies(not(X_48),not(implies(not(X_48),not(X_48)))),implies(not(X_48),not(X_48))),implies(implies(not(X_48),not(implies(not(X_48),not(X_48)))),X_48))) )],[refute_0_39,refute_0_46]) ).

cnf(refute_0_48,plain,
    is_a_theorem(implies(implies(not(X_408),not(implies(not(X_408),not(X_408)))),implies(implies(not(X_408),not(implies(not(X_408),not(X_408)))),X_408))),
    inference(subst,[],[refute_0_47:[bind(X_406,$fot(implies(not(X_408),not(implies(not(X_408),not(X_408)))))),bind(X_48,$fot(X_408))]]) ).

cnf(refute_0_49,plain,
    is_a_theorem(implies(implies(not(X_408),not(implies(not(X_408),not(X_408)))),X_408)),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(not(X_408),not(implies(not(X_408),not(X_408)))),implies(implies(not(X_408),not(implies(not(X_408),not(X_408)))),X_408))) )],[refute_0_48,refute_0_35]) ).

cnf(refute_0_50,plain,
    is_a_theorem(implies(implies(not(X_578),not(implies(not(X_578),not(X_578)))),X_578)),
    inference(subst,[],[refute_0_49:[bind(X_408,$fot(X_578))]]) ).

cnf(refute_0_51,plain,
    ( ~ is_a_theorem(implies(implies(Y,X),X_30))
    | ~ is_a_theorem(implies(implies(not(X),not(Y)),implies(Y,X)))
    | is_a_theorem(implies(implies(not(X),not(Y)),X_30)) ),
    inference(subst,[],[transitivity:[bind(X1,$fot(implies(not(X),not(Y)))),bind(X2,$fot(implies(Y,X))),bind(X3,$fot(X_30))]]) ).

cnf(refute_0_52,plain,
    ( ~ is_a_theorem(implies(implies(Y,X),X_30))
    | is_a_theorem(implies(implies(not(X),not(Y)),X_30)) ),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(not(X),not(Y)),implies(Y,X))) )],[cn_49,refute_0_51]) ).

cnf(refute_0_53,plain,
    ( ~ is_a_theorem(implies(implies(not(X_578),not(implies(not(X_578),not(X_578)))),X_578))
    | is_a_theorem(implies(implies(not(not(implies(not(X_578),not(X_578)))),not(not(X_578))),X_578)) ),
    inference(subst,[],[refute_0_52:[bind(X,$fot(not(implies(not(X_578),not(X_578))))),bind(Y,$fot(not(X_578))),bind(X_30,$fot(X_578))]]) ).

cnf(refute_0_54,plain,
    is_a_theorem(implies(implies(not(not(implies(not(X_578),not(X_578)))),not(not(X_578))),X_578)),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(not(X_578),not(implies(not(X_578),not(X_578)))),X_578)) )],[refute_0_50,refute_0_53]) ).

cnf(refute_0_55,plain,
    is_a_theorem(implies(implies(not(not(implies(not(X_581),not(X_581)))),not(not(X_581))),X_581)),
    inference(subst,[],[refute_0_54:[bind(X_578,$fot(X_581))]]) ).

cnf(refute_0_56,plain,
    is_a_theorem(implies(not(not(X_581)),X_581)),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(not(not(implies(not(X_581),not(X_581)))),not(not(X_581))),X_581)) )],[refute_0_55,refute_0_3]) ).

cnf(refute_0_57,plain,
    is_a_theorem(implies(not(not(a)),a)),
    inference(subst,[],[refute_0_56:[bind(X_581,$fot(a))]]) ).

cnf(refute_0_58,plain,
    $false,
    inference(resolve,[$cnf( is_a_theorem(implies(not(not(a)),a)) )],[refute_0_57,prove_cn_39]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : LCL077-2 : TPTP v8.1.0. Released v1.0.0.
% 0.12/0.13  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n018.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Mon Jul  4 11:05:06 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.19/0.57  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.57  
% 0.19/0.57  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.19/0.58  
%------------------------------------------------------------------------------