TSTP Solution File: SET095+4 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET095+4 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n010.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  : 0s
% DateTime : Mon Jul 18 22:46:58 EDT 2022

% Result   : Theorem 0.75s 1.55s
% Output   : Refutation 0.75s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : SET095+4 : TPTP v8.1.0. Released v2.2.0.
% 0.08/0.13  % Command  : bliksem %s
% 0.13/0.35  % Computer : n010.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  % DateTime : Mon Jul 11 00:05:15 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.75/1.55  *** allocated 10000 integers for termspace/termends
% 0.75/1.55  *** allocated 10000 integers for clauses
% 0.75/1.55  *** allocated 10000 integers for justifications
% 0.75/1.55  Bliksem 1.12
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  Automatic Strategy Selection
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  Clauses:
% 0.75/1.55  
% 0.75/1.55  { ! subset( X, Y ), ! member( Z, X ), member( Z, Y ) }.
% 0.75/1.55  { ! member( skol1( Z, Y ), Y ), subset( X, Y ) }.
% 0.75/1.55  { member( skol1( X, Y ), X ), subset( X, Y ) }.
% 0.75/1.55  { ! equal_set( X, Y ), subset( X, Y ) }.
% 0.75/1.55  { ! equal_set( X, Y ), subset( Y, X ) }.
% 0.75/1.55  { ! subset( X, Y ), ! subset( Y, X ), equal_set( X, Y ) }.
% 0.75/1.55  { ! member( X, power_set( Y ) ), subset( X, Y ) }.
% 0.75/1.55  { ! subset( X, Y ), member( X, power_set( Y ) ) }.
% 0.75/1.55  { ! member( X, intersection( Y, Z ) ), member( X, Y ) }.
% 0.75/1.55  { ! member( X, intersection( Y, Z ) ), member( X, Z ) }.
% 0.75/1.55  { ! member( X, Y ), ! member( X, Z ), member( X, intersection( Y, Z ) ) }.
% 0.75/1.55  { ! member( X, union( Y, Z ) ), member( X, Y ), member( X, Z ) }.
% 0.75/1.55  { ! member( X, Y ), member( X, union( Y, Z ) ) }.
% 0.75/1.55  { ! member( X, Z ), member( X, union( Y, Z ) ) }.
% 0.75/1.55  { ! member( X, empty_set ) }.
% 0.75/1.55  { ! member( X, difference( Z, Y ) ), member( X, Z ) }.
% 0.75/1.55  { ! member( X, difference( Z, Y ) ), ! member( X, Y ) }.
% 0.75/1.55  { ! member( X, Z ), member( X, Y ), member( X, difference( Z, Y ) ) }.
% 0.75/1.55  { ! member( X, singleton( Y ) ), X = Y }.
% 0.75/1.55  { ! X = Y, member( X, singleton( Y ) ) }.
% 0.75/1.55  { ! member( X, unordered_pair( Y, Z ) ), X = Y, X = Z }.
% 0.75/1.55  { ! X = Y, member( X, unordered_pair( Y, Z ) ) }.
% 0.75/1.55  { ! X = Z, member( X, unordered_pair( Y, Z ) ) }.
% 0.75/1.55  { ! member( X, sum( Y ) ), member( skol2( Z, Y ), Y ) }.
% 0.75/1.55  { ! member( X, sum( Y ) ), member( X, skol2( X, Y ) ) }.
% 0.75/1.55  { ! member( Z, Y ), ! member( X, Z ), member( X, sum( Y ) ) }.
% 0.75/1.55  { ! member( X, product( Y ) ), ! member( Z, Y ), member( X, Z ) }.
% 0.75/1.55  { member( skol3( Z, Y ), Y ), member( X, product( Y ) ) }.
% 0.75/1.55  { ! member( X, skol3( X, Y ) ), member( X, product( Y ) ) }.
% 0.75/1.55  { member( skol5, skol4 ) }.
% 0.75/1.55  { ! subset( singleton( skol5 ), skol4 ) }.
% 0.75/1.55  
% 0.75/1.55  percentage equality = 0.089552, percentage horn = 0.838710
% 0.75/1.55  This is a problem with some equality
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  Options Used:
% 0.75/1.55  
% 0.75/1.55  useres =            1
% 0.75/1.55  useparamod =        1
% 0.75/1.55  useeqrefl =         1
% 0.75/1.55  useeqfact =         1
% 0.75/1.55  usefactor =         1
% 0.75/1.55  usesimpsplitting =  0
% 0.75/1.55  usesimpdemod =      5
% 0.75/1.55  usesimpres =        3
% 0.75/1.55  
% 0.75/1.55  resimpinuse      =  1000
% 0.75/1.55  resimpclauses =     20000
% 0.75/1.55  substype =          eqrewr
% 0.75/1.55  backwardsubs =      1
% 0.75/1.55  selectoldest =      5
% 0.75/1.55  
% 0.75/1.55  litorderings [0] =  split
% 0.75/1.55  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.75/1.55  
% 0.75/1.55  termordering =      kbo
% 0.75/1.55  
% 0.75/1.55  litapriori =        0
% 0.75/1.55  termapriori =       1
% 0.75/1.55  litaposteriori =    0
% 0.75/1.55  termaposteriori =   0
% 0.75/1.55  demodaposteriori =  0
% 0.75/1.55  ordereqreflfact =   0
% 0.75/1.55  
% 0.75/1.55  litselect =         negord
% 0.75/1.55  
% 0.75/1.55  maxweight =         15
% 0.75/1.55  maxdepth =          30000
% 0.75/1.55  maxlength =         115
% 0.75/1.55  maxnrvars =         195
% 0.75/1.55  excuselevel =       1
% 0.75/1.55  increasemaxweight = 1
% 0.75/1.55  
% 0.75/1.55  maxselected =       10000000
% 0.75/1.55  maxnrclauses =      10000000
% 0.75/1.55  
% 0.75/1.55  showgenerated =    0
% 0.75/1.55  showkept =         0
% 0.75/1.55  showselected =     0
% 0.75/1.55  showdeleted =      0
% 0.75/1.55  showresimp =       1
% 0.75/1.55  showstatus =       2000
% 0.75/1.55  
% 0.75/1.55  prologoutput =     0
% 0.75/1.55  nrgoals =          5000000
% 0.75/1.55  totalproof =       1
% 0.75/1.55  
% 0.75/1.55  Symbols occurring in the translation:
% 0.75/1.55  
% 0.75/1.55  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.75/1.55  .  [1, 2]      (w:1, o:23, a:1, s:1, b:0), 
% 0.75/1.55  !  [4, 1]      (w:0, o:14, a:1, s:1, b:0), 
% 0.75/1.55  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.75/1.55  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.75/1.55  subset  [37, 2]      (w:1, o:47, a:1, s:1, b:0), 
% 0.75/1.55  member  [39, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.75/1.55  equal_set  [40, 2]      (w:1, o:50, a:1, s:1, b:0), 
% 0.75/1.55  power_set  [41, 1]      (w:1, o:19, a:1, s:1, b:0), 
% 0.75/1.55  intersection  [42, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 0.75/1.55  union  [43, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.75/1.55  empty_set  [44, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.75/1.55  difference  [46, 2]      (w:1, o:49, a:1, s:1, b:0), 
% 0.75/1.55  singleton  [47, 1]      (w:1, o:20, a:1, s:1, b:0), 
% 0.75/1.55  unordered_pair  [48, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 0.75/1.55  sum  [49, 1]      (w:1, o:21, a:1, s:1, b:0), 
% 0.75/1.55  product  [51, 1]      (w:1, o:22, a:1, s:1, b:0), 
% 0.75/1.55  skol1  [52, 2]      (w:1, o:54, a:1, s:1, b:1), 
% 0.75/1.55  skol2  [53, 2]      (w:1, o:55, a:1, s:1, b:1), 
% 0.75/1.55  skol3  [54, 2]      (w:1, o:56, a:1, s:1, b:1), 
% 0.75/1.55  skol4  [55, 0]      (w:1, o:12, a:1, s:1, b:1), 
% 0.75/1.55  skol5  [56, 0]      (w:1, o:13, a:1, s:1, b:1).
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  Starting Search:
% 0.75/1.55  
% 0.75/1.55  *** allocated 15000 integers for clauses
% 0.75/1.55  *** allocated 22500 integers for clauses
% 0.75/1.55  *** allocated 33750 integers for clauses
% 0.75/1.55  *** allocated 50625 integers for clauses
% 0.75/1.55  *** allocated 15000 integers for termspace/termends
% 0.75/1.55  *** allocated 75937 integers for clauses
% 0.75/1.55  *** allocated 22500 integers for termspace/termends
% 0.75/1.55  *** allocated 113905 integers for clauses
% 0.75/1.55  Resimplifying inuse:
% 0.75/1.55  Done
% 0.75/1.55  
% 0.75/1.55  *** allocated 33750 integers for termspace/termends
% 0.75/1.55  
% 0.75/1.55  Intermediate Status:
% 0.75/1.55  Generated:    2799
% 0.75/1.55  Kept:         2012
% 0.75/1.55  Inuse:        110
% 0.75/1.55  Deleted:      4
% 0.75/1.55  Deletedinuse: 1
% 0.75/1.55  
% 0.75/1.55  *** allocated 170857 integers for clauses
% 0.75/1.55  *** allocated 50625 integers for termspace/termends
% 0.75/1.55  Resimplifying inuse:
% 0.75/1.55  Done
% 0.75/1.55  
% 0.75/1.55  Resimplifying inuse:
% 0.75/1.55  Done
% 0.75/1.55  
% 0.75/1.55  *** allocated 256285 integers for clauses
% 0.75/1.55  *** allocated 75937 integers for termspace/termends
% 0.75/1.55  
% 0.75/1.55  Intermediate Status:
% 0.75/1.55  Generated:    6519
% 0.75/1.55  Kept:         4467
% 0.75/1.55  Inuse:        157
% 0.75/1.55  Deleted:      5
% 0.75/1.55  Deletedinuse: 1
% 0.75/1.55  
% 0.75/1.55  Resimplifying inuse:
% 0.75/1.55  Done
% 0.75/1.55  
% 0.75/1.55  *** allocated 113905 integers for termspace/termends
% 0.75/1.55  *** allocated 384427 integers for clauses
% 0.75/1.55  Resimplifying inuse:
% 0.75/1.55  Done
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  Intermediate Status:
% 0.75/1.55  Generated:    10357
% 0.75/1.55  Kept:         6504
% 0.75/1.55  Inuse:        192
% 0.75/1.55  Deleted:      5
% 0.75/1.55  Deletedinuse: 1
% 0.75/1.55  
% 0.75/1.55  Resimplifying inuse:
% 0.75/1.55  Done
% 0.75/1.55  
% 0.75/1.55  Resimplifying inuse:
% 0.75/1.55  Done
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  Intermediate Status:
% 0.75/1.55  Generated:    14524
% 0.75/1.55  Kept:         8542
% 0.75/1.55  Inuse:        231
% 0.75/1.55  Deleted:      12
% 0.75/1.55  Deletedinuse: 7
% 0.75/1.55  
% 0.75/1.55  *** allocated 170857 integers for termspace/termends
% 0.75/1.55  *** allocated 576640 integers for clauses
% 0.75/1.55  Resimplifying inuse:
% 0.75/1.55  Done
% 0.75/1.55  
% 0.75/1.55  Resimplifying inuse:
% 0.75/1.55  Done
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  Intermediate Status:
% 0.75/1.55  Generated:    19188
% 0.75/1.55  Kept:         10553
% 0.75/1.55  Inuse:        280
% 0.75/1.55  Deleted:      14
% 0.75/1.55  Deletedinuse: 8
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  Bliksems!, er is een bewijs:
% 0.75/1.55  % SZS status Theorem
% 0.75/1.55  % SZS output start Refutation
% 0.75/1.55  
% 0.75/1.55  (0) {G0,W9,D2,L3,V3,M3} I { ! subset( X, Y ), ! member( Z, X ), member( Z, 
% 0.75/1.55    Y ) }.
% 0.75/1.55  (1) {G0,W8,D3,L2,V3,M2} I { ! member( skol1( Z, Y ), Y ), subset( X, Y )
% 0.75/1.55     }.
% 0.75/1.55  (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset( X, Y ) }.
% 0.75/1.55  (14) {G0,W3,D2,L1,V1,M1} I { ! member( X, empty_set ) }.
% 0.75/1.55  (18) {G0,W7,D3,L2,V2,M2} I { ! member( X, singleton( Y ) ), X = Y }.
% 0.75/1.55  (20) {G0,W11,D3,L3,V3,M3} I { ! member( X, unordered_pair( Y, Z ) ), X = Y
% 0.75/1.55    , X = Z }.
% 0.75/1.55  (21) {G0,W8,D3,L2,V3,M2} I { ! X = Y, member( X, unordered_pair( Y, Z ) )
% 0.75/1.55     }.
% 0.75/1.55  (29) {G0,W3,D2,L1,V0,M1} I { member( skol5, skol4 ) }.
% 0.75/1.55  (30) {G0,W4,D3,L1,V0,M1} I { ! subset( singleton( skol5 ), skol4 ) }.
% 0.75/1.55  (37) {G1,W11,D3,L3,V3,M3} E(20) { ! X = Y, ! member( Z, unordered_pair( Y, 
% 0.75/1.55    X ) ), Z = Y }.
% 0.75/1.55  (38) {G1,W5,D3,L1,V2,M1} Q(21) { member( X, unordered_pair( X, Y ) ) }.
% 0.75/1.55  (45) {G1,W6,D2,L2,V2,M2} R(0,14) { ! subset( X, empty_set ), ! member( Y, X
% 0.75/1.55     ) }.
% 0.75/1.55  (47) {G2,W5,D3,L1,V2,M1} R(45,38) { ! subset( unordered_pair( X, Y ), 
% 0.75/1.55    empty_set ) }.
% 0.75/1.55  (53) {G1,W5,D3,L1,V1,M1} R(1,30) { ! member( skol1( X, skol4 ), skol4 ) }.
% 0.75/1.55  (54) {G2,W8,D3,L2,V2,M2} R(53,0) { ! subset( X, skol4 ), ! member( skol1( Y
% 0.75/1.55    , skol4 ), X ) }.
% 0.75/1.55  (62) {G3,W9,D4,L1,V2,M1} R(2,47) { member( skol1( unordered_pair( X, Y ), 
% 0.75/1.55    empty_set ), unordered_pair( X, Y ) ) }.
% 0.75/1.55  (63) {G1,W6,D2,L2,V2,M2} R(2,1) { subset( X, X ), subset( Y, X ) }.
% 0.75/1.55  (72) {G2,W3,D2,L1,V1,M1} F(63) { subset( X, X ) }.
% 0.75/1.55  (7497) {G4,W10,D4,L2,V2,M2} R(62,37) { ! X = Y, skol1( unordered_pair( Y, X
% 0.75/1.55     ), empty_set ) ==> Y }.
% 0.75/1.55  (7503) {G4,W14,D4,L2,V2,M2} R(62,20) { skol1( unordered_pair( X, Y ), 
% 0.75/1.55    empty_set ) ==> X, skol1( unordered_pair( X, Y ), empty_set ) ==> Y }.
% 0.75/1.55  (7519) {G5,W6,D2,L2,V2,M2} E(7503);d(7497) { ! X = Y, X = Y }.
% 0.75/1.55  (8082) {G6,W6,D2,L2,V1,M2} P(7519,29) { member( X, skol4 ), ! skol5 = X }.
% 0.75/1.55  (9996) {G7,W5,D3,L1,V1,M1} R(8082,54);r(72) { ! skol1( X, skol4 ) ==> skol5
% 0.75/1.55     }.
% 0.75/1.55  (10047) {G8,W9,D3,L2,V2,M2} P(18,9996) { ! Y = skol5, ! member( skol1( X, 
% 0.75/1.55    skol4 ), singleton( Y ) ) }.
% 0.75/1.55  (10050) {G9,W6,D3,L1,V1,M1} Q(10047) { ! member( skol1( X, skol4 ), 
% 0.75/1.55    singleton( skol5 ) ) }.
% 0.75/1.55  (11074) {G10,W0,D0,L0,V0,M0} R(10050,2);r(30) {  }.
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  % SZS output end Refutation
% 0.75/1.55  found a proof!
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  Unprocessed initial clauses:
% 0.75/1.55  
% 0.75/1.55  (11076) {G0,W9,D2,L3,V3,M3}  { ! subset( X, Y ), ! member( Z, X ), member( 
% 0.75/1.55    Z, Y ) }.
% 0.75/1.55  (11077) {G0,W8,D3,L2,V3,M2}  { ! member( skol1( Z, Y ), Y ), subset( X, Y )
% 0.75/1.55     }.
% 0.75/1.55  (11078) {G0,W8,D3,L2,V2,M2}  { member( skol1( X, Y ), X ), subset( X, Y )
% 0.75/1.55     }.
% 0.75/1.55  (11079) {G0,W6,D2,L2,V2,M2}  { ! equal_set( X, Y ), subset( X, Y ) }.
% 0.75/1.55  (11080) {G0,W6,D2,L2,V2,M2}  { ! equal_set( X, Y ), subset( Y, X ) }.
% 0.75/1.55  (11081) {G0,W9,D2,L3,V2,M3}  { ! subset( X, Y ), ! subset( Y, X ), 
% 0.75/1.55    equal_set( X, Y ) }.
% 0.75/1.55  (11082) {G0,W7,D3,L2,V2,M2}  { ! member( X, power_set( Y ) ), subset( X, Y
% 0.75/1.55     ) }.
% 0.75/1.55  (11083) {G0,W7,D3,L2,V2,M2}  { ! subset( X, Y ), member( X, power_set( Y )
% 0.75/1.55     ) }.
% 0.75/1.55  (11084) {G0,W8,D3,L2,V3,M2}  { ! member( X, intersection( Y, Z ) ), member
% 0.75/1.55    ( X, Y ) }.
% 0.75/1.55  (11085) {G0,W8,D3,L2,V3,M2}  { ! member( X, intersection( Y, Z ) ), member
% 0.75/1.55    ( X, Z ) }.
% 0.75/1.55  (11086) {G0,W11,D3,L3,V3,M3}  { ! member( X, Y ), ! member( X, Z ), member
% 0.75/1.55    ( X, intersection( Y, Z ) ) }.
% 0.75/1.55  (11087) {G0,W11,D3,L3,V3,M3}  { ! member( X, union( Y, Z ) ), member( X, Y
% 0.75/1.55     ), member( X, Z ) }.
% 0.75/1.55  (11088) {G0,W8,D3,L2,V3,M2}  { ! member( X, Y ), member( X, union( Y, Z ) )
% 0.75/1.55     }.
% 0.75/1.55  (11089) {G0,W8,D3,L2,V3,M2}  { ! member( X, Z ), member( X, union( Y, Z ) )
% 0.75/1.55     }.
% 0.75/1.55  (11090) {G0,W3,D2,L1,V1,M1}  { ! member( X, empty_set ) }.
% 0.75/1.55  (11091) {G0,W8,D3,L2,V3,M2}  { ! member( X, difference( Z, Y ) ), member( X
% 0.75/1.55    , Z ) }.
% 0.75/1.55  (11092) {G0,W8,D3,L2,V3,M2}  { ! member( X, difference( Z, Y ) ), ! member
% 0.75/1.55    ( X, Y ) }.
% 0.75/1.55  (11093) {G0,W11,D3,L3,V3,M3}  { ! member( X, Z ), member( X, Y ), member( X
% 0.75/1.55    , difference( Z, Y ) ) }.
% 0.75/1.55  (11094) {G0,W7,D3,L2,V2,M2}  { ! member( X, singleton( Y ) ), X = Y }.
% 0.75/1.55  (11095) {G0,W7,D3,L2,V2,M2}  { ! X = Y, member( X, singleton( Y ) ) }.
% 0.75/1.55  (11096) {G0,W11,D3,L3,V3,M3}  { ! member( X, unordered_pair( Y, Z ) ), X = 
% 0.75/1.55    Y, X = Z }.
% 0.75/1.55  (11097) {G0,W8,D3,L2,V3,M2}  { ! X = Y, member( X, unordered_pair( Y, Z ) )
% 0.75/1.55     }.
% 0.75/1.55  (11098) {G0,W8,D3,L2,V3,M2}  { ! X = Z, member( X, unordered_pair( Y, Z ) )
% 0.75/1.55     }.
% 0.75/1.55  (11099) {G0,W9,D3,L2,V3,M2}  { ! member( X, sum( Y ) ), member( skol2( Z, Y
% 0.75/1.55     ), Y ) }.
% 0.75/1.55  (11100) {G0,W9,D3,L2,V2,M2}  { ! member( X, sum( Y ) ), member( X, skol2( X
% 0.75/1.55    , Y ) ) }.
% 0.75/1.55  (11101) {G0,W10,D3,L3,V3,M3}  { ! member( Z, Y ), ! member( X, Z ), member
% 0.75/1.55    ( X, sum( Y ) ) }.
% 0.75/1.55  (11102) {G0,W10,D3,L3,V3,M3}  { ! member( X, product( Y ) ), ! member( Z, Y
% 0.75/1.55     ), member( X, Z ) }.
% 0.75/1.55  (11103) {G0,W9,D3,L2,V3,M2}  { member( skol3( Z, Y ), Y ), member( X, 
% 0.75/1.55    product( Y ) ) }.
% 0.75/1.55  (11104) {G0,W9,D3,L2,V2,M2}  { ! member( X, skol3( X, Y ) ), member( X, 
% 0.75/1.55    product( Y ) ) }.
% 0.75/1.55  (11105) {G0,W3,D2,L1,V0,M1}  { member( skol5, skol4 ) }.
% 0.75/1.55  (11106) {G0,W4,D3,L1,V0,M1}  { ! subset( singleton( skol5 ), skol4 ) }.
% 0.75/1.55  
% 0.75/1.55  
% 0.75/1.55  Total Proof:
% 0.75/1.55  
% 0.75/1.55  subsumption: (0) {G0,W9,D2,L3,V3,M3} I { ! subset( X, Y ), ! member( Z, X )
% 0.75/1.55    , member( Z, Y ) }.
% 0.75/1.55  parent0: (11076) {G0,W9,D2,L3,V3,M3}  { ! subset( X, Y ), ! member( Z, X )
% 0.75/1.55    , member( Z, Y ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55     Z := Z
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55     1 ==> 1
% 0.75/1.55     2 ==> 2
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (1) {G0,W8,D3,L2,V3,M2} I { ! member( skol1( Z, Y ), Y ), 
% 0.75/1.55    subset( X, Y ) }.
% 0.75/1.55  parent0: (11077) {G0,W8,D3,L2,V3,M2}  { ! member( skol1( Z, Y ), Y ), 
% 0.75/1.55    subset( X, Y ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55     Z := Z
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55     1 ==> 1
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset
% 0.75/1.55    ( X, Y ) }.
% 0.75/1.55  parent0: (11078) {G0,W8,D3,L2,V2,M2}  { member( skol1( X, Y ), X ), subset
% 0.75/1.55    ( X, Y ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55     1 ==> 1
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (14) {G0,W3,D2,L1,V1,M1} I { ! member( X, empty_set ) }.
% 0.75/1.55  parent0: (11090) {G0,W3,D2,L1,V1,M1}  { ! member( X, empty_set ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (18) {G0,W7,D3,L2,V2,M2} I { ! member( X, singleton( Y ) ), X 
% 0.75/1.55    = Y }.
% 0.75/1.55  parent0: (11094) {G0,W7,D3,L2,V2,M2}  { ! member( X, singleton( Y ) ), X = 
% 0.75/1.55    Y }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55     1 ==> 1
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (20) {G0,W11,D3,L3,V3,M3} I { ! member( X, unordered_pair( Y, 
% 0.75/1.55    Z ) ), X = Y, X = Z }.
% 0.75/1.55  parent0: (11096) {G0,W11,D3,L3,V3,M3}  { ! member( X, unordered_pair( Y, Z
% 0.75/1.55     ) ), X = Y, X = Z }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55     Z := Z
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55     1 ==> 1
% 0.75/1.55     2 ==> 2
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (21) {G0,W8,D3,L2,V3,M2} I { ! X = Y, member( X, 
% 0.75/1.55    unordered_pair( Y, Z ) ) }.
% 0.75/1.55  parent0: (11097) {G0,W8,D3,L2,V3,M2}  { ! X = Y, member( X, unordered_pair
% 0.75/1.55    ( Y, Z ) ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55     Z := Z
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55     1 ==> 1
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (29) {G0,W3,D2,L1,V0,M1} I { member( skol5, skol4 ) }.
% 0.75/1.55  parent0: (11105) {G0,W3,D2,L1,V0,M1}  { member( skol5, skol4 ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (30) {G0,W4,D3,L1,V0,M1} I { ! subset( singleton( skol5 ), 
% 0.75/1.55    skol4 ) }.
% 0.75/1.55  parent0: (11106) {G0,W4,D3,L1,V0,M1}  { ! subset( singleton( skol5 ), skol4
% 0.75/1.55     ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  eqfact: (11179) {G0,W11,D3,L3,V3,M3}  { ! X = Y, ! member( Z, 
% 0.75/1.55    unordered_pair( Y, X ) ), Z = Y }.
% 0.75/1.55  parent0[2, 1]: (20) {G0,W11,D3,L3,V3,M3} I { ! member( X, unordered_pair( Y
% 0.75/1.55    , Z ) ), X = Y, X = Z }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := Z
% 0.75/1.55     Y := Y
% 0.75/1.55     Z := X
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (37) {G1,W11,D3,L3,V3,M3} E(20) { ! X = Y, ! member( Z, 
% 0.75/1.55    unordered_pair( Y, X ) ), Z = Y }.
% 0.75/1.55  parent0: (11179) {G0,W11,D3,L3,V3,M3}  { ! X = Y, ! member( Z, 
% 0.75/1.55    unordered_pair( Y, X ) ), Z = Y }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55     Z := Z
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55     1 ==> 1
% 0.75/1.55     2 ==> 2
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  eqswap: (11186) {G0,W8,D3,L2,V3,M2}  { ! Y = X, member( X, unordered_pair( 
% 0.75/1.55    Y, Z ) ) }.
% 0.75/1.55  parent0[0]: (21) {G0,W8,D3,L2,V3,M2} I { ! X = Y, member( X, unordered_pair
% 0.75/1.55    ( Y, Z ) ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55     Z := Z
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  eqrefl: (11187) {G0,W5,D3,L1,V2,M1}  { member( X, unordered_pair( X, Y ) )
% 0.75/1.55     }.
% 0.75/1.55  parent0[0]: (11186) {G0,W8,D3,L2,V3,M2}  { ! Y = X, member( X, 
% 0.75/1.55    unordered_pair( Y, Z ) ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := X
% 0.75/1.55     Z := Y
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (38) {G1,W5,D3,L1,V2,M1} Q(21) { member( X, unordered_pair( X
% 0.75/1.55    , Y ) ) }.
% 0.75/1.55  parent0: (11187) {G0,W5,D3,L1,V2,M1}  { member( X, unordered_pair( X, Y ) )
% 0.75/1.55     }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  resolution: (11188) {G1,W6,D2,L2,V2,M2}  { ! subset( Y, empty_set ), ! 
% 0.75/1.55    member( X, Y ) }.
% 0.75/1.55  parent0[0]: (14) {G0,W3,D2,L1,V1,M1} I { ! member( X, empty_set ) }.
% 0.75/1.55  parent1[2]: (0) {G0,W9,D2,L3,V3,M3} I { ! subset( X, Y ), ! member( Z, X )
% 0.75/1.55    , member( Z, Y ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55  end
% 0.75/1.55  substitution1:
% 0.75/1.55     X := Y
% 0.75/1.55     Y := empty_set
% 0.75/1.55     Z := X
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (45) {G1,W6,D2,L2,V2,M2} R(0,14) { ! subset( X, empty_set ), !
% 0.75/1.55     member( Y, X ) }.
% 0.75/1.55  parent0: (11188) {G1,W6,D2,L2,V2,M2}  { ! subset( Y, empty_set ), ! member
% 0.75/1.55    ( X, Y ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := Y
% 0.75/1.55     Y := X
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55     1 ==> 1
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  resolution: (11189) {G2,W5,D3,L1,V2,M1}  { ! subset( unordered_pair( X, Y )
% 0.75/1.55    , empty_set ) }.
% 0.75/1.55  parent0[1]: (45) {G1,W6,D2,L2,V2,M2} R(0,14) { ! subset( X, empty_set ), ! 
% 0.75/1.55    member( Y, X ) }.
% 0.75/1.55  parent1[0]: (38) {G1,W5,D3,L1,V2,M1} Q(21) { member( X, unordered_pair( X, 
% 0.75/1.55    Y ) ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := unordered_pair( X, Y )
% 0.75/1.55     Y := X
% 0.75/1.55  end
% 0.75/1.55  substitution1:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (47) {G2,W5,D3,L1,V2,M1} R(45,38) { ! subset( unordered_pair( 
% 0.75/1.55    X, Y ), empty_set ) }.
% 0.75/1.55  parent0: (11189) {G2,W5,D3,L1,V2,M1}  { ! subset( unordered_pair( X, Y ), 
% 0.75/1.55    empty_set ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  resolution: (11190) {G1,W5,D3,L1,V1,M1}  { ! member( skol1( X, skol4 ), 
% 0.75/1.55    skol4 ) }.
% 0.75/1.55  parent0[0]: (30) {G0,W4,D3,L1,V0,M1} I { ! subset( singleton( skol5 ), 
% 0.75/1.55    skol4 ) }.
% 0.75/1.55  parent1[1]: (1) {G0,W8,D3,L2,V3,M2} I { ! member( skol1( Z, Y ), Y ), 
% 0.75/1.55    subset( X, Y ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55  end
% 0.75/1.55  substitution1:
% 0.75/1.55     X := singleton( skol5 )
% 0.75/1.55     Y := skol4
% 0.75/1.55     Z := X
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (53) {G1,W5,D3,L1,V1,M1} R(1,30) { ! member( skol1( X, skol4 )
% 0.75/1.55    , skol4 ) }.
% 0.75/1.55  parent0: (11190) {G1,W5,D3,L1,V1,M1}  { ! member( skol1( X, skol4 ), skol4
% 0.75/1.55     ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  resolution: (11191) {G1,W8,D3,L2,V2,M2}  { ! subset( Y, skol4 ), ! member( 
% 0.75/1.55    skol1( X, skol4 ), Y ) }.
% 0.75/1.55  parent0[0]: (53) {G1,W5,D3,L1,V1,M1} R(1,30) { ! member( skol1( X, skol4 )
% 0.75/1.55    , skol4 ) }.
% 0.75/1.55  parent1[2]: (0) {G0,W9,D2,L3,V3,M3} I { ! subset( X, Y ), ! member( Z, X )
% 0.75/1.55    , member( Z, Y ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55  end
% 0.75/1.55  substitution1:
% 0.75/1.55     X := Y
% 0.75/1.55     Y := skol4
% 0.75/1.55     Z := skol1( X, skol4 )
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (54) {G2,W8,D3,L2,V2,M2} R(53,0) { ! subset( X, skol4 ), ! 
% 0.75/1.55    member( skol1( Y, skol4 ), X ) }.
% 0.75/1.55  parent0: (11191) {G1,W8,D3,L2,V2,M2}  { ! subset( Y, skol4 ), ! member( 
% 0.75/1.55    skol1( X, skol4 ), Y ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := Y
% 0.75/1.55     Y := X
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55     1 ==> 1
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  resolution: (11192) {G1,W9,D4,L1,V2,M1}  { member( skol1( unordered_pair( X
% 0.75/1.55    , Y ), empty_set ), unordered_pair( X, Y ) ) }.
% 0.75/1.55  parent0[0]: (47) {G2,W5,D3,L1,V2,M1} R(45,38) { ! subset( unordered_pair( X
% 0.75/1.55    , Y ), empty_set ) }.
% 0.75/1.55  parent1[1]: (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset
% 0.75/1.55    ( X, Y ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55  end
% 0.75/1.55  substitution1:
% 0.75/1.55     X := unordered_pair( X, Y )
% 0.75/1.55     Y := empty_set
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (62) {G3,W9,D4,L1,V2,M1} R(2,47) { member( skol1( 
% 0.75/1.55    unordered_pair( X, Y ), empty_set ), unordered_pair( X, Y ) ) }.
% 0.75/1.55  parent0: (11192) {G1,W9,D4,L1,V2,M1}  { member( skol1( unordered_pair( X, Y
% 0.75/1.55     ), empty_set ), unordered_pair( X, Y ) ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  resolution: (11193) {G1,W6,D2,L2,V2,M2}  { subset( Y, X ), subset( X, X )
% 0.75/1.55     }.
% 0.75/1.55  parent0[0]: (1) {G0,W8,D3,L2,V3,M2} I { ! member( skol1( Z, Y ), Y ), 
% 0.75/1.55    subset( X, Y ) }.
% 0.75/1.55  parent1[0]: (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset
% 0.75/1.55    ( X, Y ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := Y
% 0.75/1.55     Y := X
% 0.75/1.55     Z := X
% 0.75/1.55  end
% 0.75/1.55  substitution1:
% 0.75/1.55     X := X
% 0.75/1.55     Y := X
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (63) {G1,W6,D2,L2,V2,M2} R(2,1) { subset( X, X ), subset( Y, X
% 0.75/1.55     ) }.
% 0.75/1.55  parent0: (11193) {G1,W6,D2,L2,V2,M2}  { subset( Y, X ), subset( X, X ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := X
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55     1 ==> 0
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  factor: (11195) {G1,W3,D2,L1,V1,M1}  { subset( X, X ) }.
% 0.75/1.55  parent0[0, 1]: (63) {G1,W6,D2,L2,V2,M2} R(2,1) { subset( X, X ), subset( Y
% 0.75/1.55    , X ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := X
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (72) {G2,W3,D2,L1,V1,M1} F(63) { subset( X, X ) }.
% 0.75/1.55  parent0: (11195) {G1,W3,D2,L1,V1,M1}  { subset( X, X ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  eqswap: (11196) {G1,W11,D3,L3,V3,M3}  { ! Y = X, ! member( Z, 
% 0.75/1.55    unordered_pair( Y, X ) ), Z = Y }.
% 0.75/1.55  parent0[0]: (37) {G1,W11,D3,L3,V3,M3} E(20) { ! X = Y, ! member( Z, 
% 0.75/1.55    unordered_pair( Y, X ) ), Z = Y }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55     Z := Z
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  resolution: (11199) {G2,W10,D4,L2,V2,M2}  { ! X = Y, skol1( unordered_pair
% 0.75/1.55    ( X, Y ), empty_set ) = X }.
% 0.75/1.55  parent0[1]: (11196) {G1,W11,D3,L3,V3,M3}  { ! Y = X, ! member( Z, 
% 0.75/1.55    unordered_pair( Y, X ) ), Z = Y }.
% 0.75/1.55  parent1[0]: (62) {G3,W9,D4,L1,V2,M1} R(2,47) { member( skol1( 
% 0.75/1.55    unordered_pair( X, Y ), empty_set ), unordered_pair( X, Y ) ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := Y
% 0.75/1.55     Y := X
% 0.75/1.55     Z := skol1( unordered_pair( X, Y ), empty_set )
% 0.75/1.55  end
% 0.75/1.55  substitution1:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  eqswap: (11200) {G2,W10,D4,L2,V2,M2}  { ! Y = X, skol1( unordered_pair( X, 
% 0.75/1.55    Y ), empty_set ) = X }.
% 0.75/1.55  parent0[0]: (11199) {G2,W10,D4,L2,V2,M2}  { ! X = Y, skol1( unordered_pair
% 0.75/1.55    ( X, Y ), empty_set ) = X }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  subsumption: (7497) {G4,W10,D4,L2,V2,M2} R(62,37) { ! X = Y, skol1( 
% 0.75/1.55    unordered_pair( Y, X ), empty_set ) ==> Y }.
% 0.75/1.55  parent0: (11200) {G2,W10,D4,L2,V2,M2}  { ! Y = X, skol1( unordered_pair( X
% 0.75/1.55    , Y ), empty_set ) = X }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := Y
% 0.75/1.55     Y := X
% 0.75/1.55  end
% 0.75/1.55  permutation0:
% 0.75/1.55     0 ==> 0
% 0.75/1.55     1 ==> 1
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  eqswap: (11203) {G0,W11,D3,L3,V3,M3}  { Y = X, ! member( X, unordered_pair
% 0.75/1.55    ( Y, Z ) ), X = Z }.
% 0.75/1.55  parent0[1]: (20) {G0,W11,D3,L3,V3,M3} I { ! member( X, unordered_pair( Y, Z
% 0.75/1.55     ) ), X = Y, X = Z }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55     Z := Z
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  resolution: (11206) {G1,W14,D4,L2,V2,M2}  { X = skol1( unordered_pair( X, Y
% 0.75/1.55     ), empty_set ), skol1( unordered_pair( X, Y ), empty_set ) = Y }.
% 0.75/1.55  parent0[1]: (11203) {G0,W11,D3,L3,V3,M3}  { Y = X, ! member( X, 
% 0.75/1.55    unordered_pair( Y, Z ) ), X = Z }.
% 0.75/1.55  parent1[0]: (62) {G3,W9,D4,L1,V2,M1} R(2,47) { member( skol1( 
% 0.75/1.55    unordered_pair( X, Y ), empty_set ), unordered_pair( X, Y ) ) }.
% 0.75/1.55  substitution0:
% 0.75/1.55     X := skol1( unordered_pair( X, Y ), empty_set )
% 0.75/1.55     Y := X
% 0.75/1.55     Z := Y
% 0.75/1.55  end
% 0.75/1.55  substitution1:
% 0.75/1.55     X := X
% 0.75/1.55     Y := Y
% 0.75/1.55  end
% 0.75/1.55  
% 0.75/1.55  eqswap: (11207) {G1,W14,D4,L2,V2,M2}  { skol1( unordered_pair( X, Y ), 
% 0.75/1.55    empty_set ) = X, skol1( unordered_pair( X, Y ), empty_set ) = Y }.Cputime limit exceeded (core dumped)
%------------------------------------------------------------------------------