TSTP Solution File: GRP489-1 by CiME---2.01
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%------------------------------------------------------------------------------
% File : CiME---2.01
% Problem : GRP489-1 : TPTP v6.0.0. Released v2.6.0.
% Transfm : none
% Format : tptp:raw
% Command : tptp2X_and_run_cime %s
% Computer : n055.star.cs.uiowa.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2609 0 2.40GHz
% Memory : 32286.75MB
% OS : Linux 2.6.32-431.11.2.el6.x86_64
% CPULimit : 300s
% DateTime : Tue Jun 10 00:23:17 EDT 2014
% Result : Unsatisfiable 1.59s
% Output : Refutation 1.59s
% Verified :
% SZS Type : None (Parsing solution fails)
% Syntax : Number of formulae : 0
% Comments :
%------------------------------------------------------------------------------
%----ERROR: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % Problem : GRP489-1 : TPTP v6.0.0. Released v2.6.0.
% % Command : tptp2X_and_run_cime %s
% % Computer : n055.star.cs.uiowa.edu
% % Model : x86_64 x86_64
% % CPU : Intel(R) Xeon(R) CPU E5-2609 0 @ 2.40GHz
% % Memory : 32286.75MB
% % OS : Linux 2.6.32-431.11.2.el6.x86_64
% % CPULimit : 300
% % DateTime : Fri Jun 6 14:21:58 CDT 2014
% % CPUTime : 1.59
% Processing problem /tmp/CiME_22083_n055.star.cs.uiowa.edu
% #verbose 1;
% let F = signature " c3,b3,a3,identity : constant; inverse : 1; multiply : 2; double_divide : 2;";
% let X = vars "A B C";
% let Axioms = equations F X "
% double_divide(A,double_divide(double_divide(double_divide(identity,double_divide(double_divide(A,identity),double_divide(B,C))),B),identity)) = C;
% multiply(A,B) = double_divide(double_divide(B,A),identity);
% inverse(A) = double_divide(A,identity);
% identity = double_divide(A,inverse(A));
% ";
%
% let s1 = status F "
% c3 lr_lex;
% b3 lr_lex;
% a3 lr_lex;
% inverse lr_lex;
% multiply lr_lex;
% double_divide lr_lex;
% identity lr_lex;
% ";
%
% let p1 = precedence F "
% multiply > double_divide > inverse > identity > a3 > b3 > c3";
%
% let s2 = status F "
% c3 mul;
% b3 mul;
% a3 mul;
% inverse mul;
% multiply mul;
% double_divide mul;
% identity mul;
% ";
%
% let p2 = precedence F "
% multiply > double_divide > inverse > identity = a3 = b3 = c3";
%
% let o_auto = AUTO Axioms;
%
% let o = LEX o_auto (LEX (ACRPO s1 p1) (ACRPO s2 p2));
%
% let Conjectures = equations F X " multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3));"
% ;
% (*
% let Red_Axioms = normalize_equations Defining_rules Axioms;
%
% let Red_Conjectures = normalize_equations Defining_rules Conjectures;
% *)
% #time on;
%
% let res = prove_conj_by_ordered_completion o Axioms Conjectures;
%
% #time off;
%
%
% let status = if res then "unsatisfiable" else "satisfiable";
% #quit;
% Verbose level is now 1
%
% F : signature = <signature>
% X : variable_set = <variable set>
%
% Axioms : (F,X) equations = { double_divide(A,double_divide(double_divide(
% double_divide(identity,
% double_divide(
% double_divide(A,identity),
% double_divide(B,C))),B),identity))
% = C,
% multiply(A,B) =
% double_divide(double_divide(B,A),identity),
% inverse(A) = double_divide(A,identity),
% identity = double_divide(A,inverse(A)) }
% (4 equation(s))
% s1 : F status = <status>
% p1 : F precedence = <precedence>
% s2 : F status = <status>
% p2 : F precedence = <precedence>
% o_auto : F term_ordering = <term ordering>
% o : F term_ordering = <term ordering>
% Conjectures : (F,X) equations = { multiply(multiply(a3,b3),c3) =
% multiply(a3,multiply(b3,c3)) }
% (1 equation(s))
% time is now on
%
% Initializing completion ...
% New rule produced : [1] double_divide(A,identity) -> inverse(A)
% Current number of equations to process: 2
% Current number of ordered equations: 1
% Current number of rules: 1
% New rule produced : [2] double_divide(A,inverse(A)) -> identity
% Current number of equations to process: 0
% Current number of ordered equations: 2
% Current number of rules: 2
% New rule produced : [3] multiply(A,B) -> inverse(double_divide(B,A))
% The conjecture has been reduced.
% Conjecture is now:
% inverse(double_divide(c3,inverse(double_divide(b3,a3)))) = inverse(double_divide(
% inverse(
% double_divide(c3,b3)),a3))
%
% Current number of equations to process: 0
% Current number of ordered equations: 1
% Current number of rules: 3
% New rule produced :
% [4]
% double_divide(A,inverse(double_divide(double_divide(identity,double_divide(
% inverse(A),
% double_divide(B,C))),B)))
% -> C
% Current number of equations to process: 0
% Current number of ordered equations: 0
% Current number of rules: 4
% New rule produced :
% [5]
% double_divide(A,inverse(double_divide(double_divide(identity,inverse(
% inverse(A))),B)))
% -> inverse(B)
% Current number of equations to process: 3
% Current number of ordered equations: 0
% Current number of rules: 5
% New rule produced :
% [6]
% inverse(inverse(double_divide(identity,inverse(inverse(A))))) <->
% double_divide(A,inverse(identity))
% Current number of equations to process: 5
% Current number of ordered equations: 1
% Current number of rules: 6
% New rule produced :
% [7]
% double_divide(A,inverse(identity)) <->
% inverse(inverse(double_divide(identity,inverse(inverse(A)))))
% Current number of equations to process: 5
% Current number of ordered equations: 0
% Current number of rules: 7
% New rule produced :
% [8]
% double_divide(A,inverse(inverse(double_divide(identity,inverse(inverse(A))))))
% -> inverse(identity)
% Current number of equations to process: 4
% Current number of ordered equations: 0
% Current number of rules: 8
% New rule produced :
% [9]
% double_divide(A,inverse(double_divide(double_divide(identity,double_divide(
% inverse(A),
% inverse(B))),B)))
% -> identity
% Current number of equations to process: 2
% Current number of ordered equations: 1
% Current number of rules: 9
% New rule produced :
% [10]
% double_divide(A,inverse(inverse(double_divide(identity,double_divide(
% inverse(A),double_divide(identity,B))))))
% -> B
% Current number of equations to process: 2
% Current number of ordered equations: 0
% Current number of rules: 10
% New rule produced :
% [11]
% double_divide(inverse(double_divide(identity,inverse(inverse(A)))),double_divide(A,
% inverse(identity)))
% -> identity
% Current number of equations to process: 4
% Current number of ordered equations: 0
% Current number of rules: 11
% New rule produced :
% [12] double_divide(A,double_divide(A,inverse(identity))) -> inverse(identity)
% Current number of equations to process: 14
% Current number of ordered equations: 0
% Current number of rules: 12
% New rule produced :
% [13]
% double_divide(A,inverse(double_divide(inverse(identity),inverse(A)))) ->
% identity
% Current number of equations to process: 15
% Current number of ordered equations: 0
% Current number of rules: 13
% New rule produced :
% [14]
% inverse(double_divide(double_divide(identity,double_divide(inverse(A),
% inverse(B))),B)) -> inverse(A)
% Rule
% [9]
% double_divide(A,inverse(double_divide(double_divide(identity,double_divide(
% inverse(A),
% inverse(B))),B)))
% -> identity collapsed.
% Current number of equations to process: 16
% Current number of ordered equations: 0
% Current number of rules: 13
% New rule produced :
% [15]
% double_divide(double_divide(identity,double_divide(inverse(identity),
% double_divide(identity,A))),inverse(
% inverse(A)))
% -> inverse(identity)
% Current number of equations to process: 24
% Current number of ordered equations: 0
% Current number of rules: 14
% New rule produced :
% [16]
% inverse(inverse(double_divide(identity,inverse(inverse(inverse(identity))))))
% -> identity
% Current number of equations to process: 28
% Current number of ordered equations: 0
% Current number of rules: 15
% New rule produced :
% [17] inverse(double_divide(inverse(identity),inverse(A))) -> inverse(A)
% Rule
% [13]
% double_divide(A,inverse(double_divide(inverse(identity),inverse(A)))) ->
% identity collapsed.
% Current number of equations to process: 29
% Current number of ordered equations: 0
% Current number of rules: 15
% New rule produced :
% [18]
% inverse(double_divide(identity,inverse(double_divide(identity,inverse(
% inverse(
% inverse(A)))))))
% -> inverse(A)
% Current number of equations to process: 31
% Current number of ordered equations: 0
% Current number of rules: 16
% New rule produced :
% [19]
% double_divide(double_divide(identity,inverse(inverse(A))),inverse(double_divide(
% inverse(identity),A)))
% -> inverse(identity)
% Current number of equations to process: 30
% Current number of ordered equations: 0
% Current number of rules: 17
% New rule produced :
% [20]
% double_divide(double_divide(double_divide(identity,double_divide(inverse(A),
% inverse(B))),B),inverse(A))
% -> identity
% Current number of equations to process: 29
% Current number of ordered equations: 0
% Current number of rules: 18
% Rule [8]
% double_divide(A,inverse(inverse(double_divide(identity,inverse(inverse(A))))))
% -> inverse(identity) is composed into [8]
% double_divide(A,inverse(inverse(
% double_divide(identity,
% inverse(
% inverse(A))))))
% -> identity
% Rule [6]
% inverse(inverse(double_divide(identity,inverse(inverse(A))))) <->
% double_divide(A,inverse(identity)) is composed into [6]
% inverse(inverse(
% double_divide(identity,
% inverse(
% inverse(A)))))
% <->
% double_divide(A,identity)
% New rule produced : [21] inverse(identity) -> identity
% Rule
% [7]
% double_divide(A,inverse(identity)) <->
% inverse(inverse(double_divide(identity,inverse(inverse(A))))) collapsed.
% Rule
% [11]
% double_divide(inverse(double_divide(identity,inverse(inverse(A)))),double_divide(A,
% inverse(identity)))
% -> identity collapsed.
% Rule
% [12] double_divide(A,double_divide(A,inverse(identity))) -> inverse(identity)
% collapsed.
% Rule
% [15]
% double_divide(double_divide(identity,double_divide(inverse(identity),
% double_divide(identity,A))),inverse(
% inverse(A)))
% -> inverse(identity) collapsed.
% Rule
% [16]
% inverse(inverse(double_divide(identity,inverse(inverse(inverse(identity))))))
% -> identity collapsed.
% Rule [17] inverse(double_divide(inverse(identity),inverse(A))) -> inverse(A)
% collapsed.
% Rule
% [19]
% double_divide(double_divide(identity,inverse(inverse(A))),inverse(double_divide(
% inverse(identity),A)))
% -> inverse(identity) collapsed.
% Current number of equations to process: 44
% Current number of ordered equations: 0
% Current number of rules: 12
% New rule produced :
% [22] inverse(double_divide(identity,inverse(A))) -> inverse(A)
% Rule
% [6]
% inverse(inverse(double_divide(identity,inverse(inverse(A))))) <->
% double_divide(A,identity) collapsed.
% Rule
% [8]
% double_divide(A,inverse(inverse(double_divide(identity,inverse(inverse(A))))))
% -> identity collapsed.
% Rule
% [18]
% inverse(double_divide(identity,inverse(double_divide(identity,inverse(
% inverse(
% inverse(A)))))))
% -> inverse(A) collapsed.
% Current number of equations to process: 45
% Current number of ordered equations: 0
% Current number of rules: 10
% New rule produced : [23] inverse(inverse(inverse(A))) -> inverse(A)
% Current number of equations to process: 44
% Current number of ordered equations: 0
% Current number of rules: 11
% New rule produced :
% [24] double_divide(double_divide(identity,inverse(A)),inverse(A)) -> identity
% Current number of equations to process: 42
% Current number of ordered equations: 0
% Current number of rules: 12
% New rule produced :
% [25] double_divide(inverse(inverse(A)),inverse(A)) -> identity
% Current number of equations to process: 41
% Current number of ordered equations: 0
% Current number of rules: 13
% New rule produced :
% [26]
% double_divide(double_divide(identity,inverse(inverse(A))),inverse(double_divide(identity,A)))
% -> identity
% Current number of equations to process: 40
% Current number of ordered equations: 0
% Current number of rules: 14
% New rule produced :
% [27]
% double_divide(double_divide(identity,double_divide(identity,double_divide(identity,A))),
% inverse(inverse(A))) -> identity
% Current number of equations to process: 39
% Current number of ordered equations: 0
% Current number of rules: 15
% New rule produced :
% [28] double_divide(identity,inverse(double_divide(identity,A))) -> inverse(A)
% Current number of equations to process: 45
% Current number of ordered equations: 0
% Current number of rules: 16
% New rule produced :
% [29]
% inverse(double_divide(double_divide(identity,double_divide(identity,inverse(A))),A))
% -> identity
% Current number of equations to process: 47
% Current number of ordered equations: 0
% Current number of rules: 17
% New rule produced :
% [30]
% double_divide(inverse(A),inverse(double_divide(double_divide(identity,
% inverse(A)),B))) -> inverse(B)
% Current number of equations to process: 54
% Current number of ordered equations: 0
% Current number of rules: 18
% New rule produced :
% [31] inverse(double_divide(identity,A)) -> inverse(inverse(A))
% Rule
% [10]
% double_divide(A,inverse(inverse(double_divide(identity,double_divide(
% inverse(A),double_divide(identity,B))))))
% -> B collapsed.
% Rule [22] inverse(double_divide(identity,inverse(A))) -> inverse(A)
% collapsed.
% Rule
% [26]
% double_divide(double_divide(identity,inverse(inverse(A))),inverse(double_divide(identity,A)))
% -> identity collapsed.
% Rule
% [28] double_divide(identity,inverse(double_divide(identity,A))) -> inverse(A)
% collapsed.
% Current number of equations to process: 56
% Current number of ordered equations: 0
% Current number of rules: 15
% New rule produced :
% [32] double_divide(identity,inverse(inverse(A))) -> inverse(A)
% Rule
% [5]
% double_divide(A,inverse(double_divide(double_divide(identity,inverse(
% inverse(A))),B)))
% -> inverse(B) collapsed.
% Current number of equations to process: 56
% Current number of ordered equations: 0
% Current number of rules: 15
% New rule produced :
% [33] double_divide(A,inverse(double_divide(inverse(A),B))) -> inverse(B)
% Current number of equations to process: 55
% Current number of ordered equations: 0
% Current number of rules: 16
% Rule [31] inverse(double_divide(identity,A)) -> inverse(inverse(A)) is composed into
% [31] inverse(double_divide(identity,A)) -> A
% New rule produced : [34] inverse(inverse(B)) -> B
% Rule [23] inverse(inverse(inverse(A))) -> inverse(A) collapsed.
% Rule [25] double_divide(inverse(inverse(A)),inverse(A)) -> identity
% collapsed.
% Rule
% [27]
% double_divide(double_divide(identity,double_divide(identity,double_divide(identity,A))),
% inverse(inverse(A))) -> identity collapsed.
% Rule [32] double_divide(identity,inverse(inverse(A))) -> inverse(A)
% collapsed.
% Current number of equations to process: 56
% Current number of ordered equations: 0
% Current number of rules: 13
% New rule produced : [35] double_divide(identity,A) -> inverse(A)
% Rule
% [4]
% double_divide(A,inverse(double_divide(double_divide(identity,double_divide(
% inverse(A),
% double_divide(B,C))),B)))
% -> C collapsed.
% Rule
% [14]
% inverse(double_divide(double_divide(identity,double_divide(inverse(A),
% inverse(B))),B)) -> inverse(A)
% collapsed.
% Rule
% [20]
% double_divide(double_divide(double_divide(identity,double_divide(inverse(A),
% inverse(B))),B),inverse(A))
% -> identity collapsed.
% Rule
% [24] double_divide(double_divide(identity,inverse(A)),inverse(A)) -> identity
% collapsed.
% Rule
% [29]
% inverse(double_divide(double_divide(identity,double_divide(identity,inverse(A))),A))
% -> identity collapsed.
% Rule
% [30]
% double_divide(inverse(A),inverse(double_divide(double_divide(identity,
% inverse(A)),B))) -> inverse(B)
% collapsed.
% Rule [31] inverse(double_divide(identity,A)) -> A collapsed.
% Current number of equations to process: 60
% Current number of ordered equations: 0
% Current number of rules: 7
% New rule produced :
% [36]
% double_divide(A,inverse(double_divide(inverse(double_divide(inverse(A),
% double_divide(B,C))),B))) -> C
% Current number of equations to process: 59
% Current number of ordered equations: 0
% Current number of rules: 8
% New rule produced : [37] inverse(double_divide(inverse(A),A)) -> identity
% Current number of equations to process: 58
% Current number of ordered equations: 0
% Current number of rules: 9
% New rule produced : [38] double_divide(inverse(A),A) -> identity
% Rule [37] inverse(double_divide(inverse(A),A)) -> identity collapsed.
% Current number of equations to process: 57
% Current number of ordered equations: 0
% Current number of rules: 9
% New rule produced :
% [39]
% inverse(double_divide(inverse(double_divide(inverse(A),inverse(B))),B)) ->
% inverse(A)
% Current number of equations to process: 56
% Current number of ordered equations: 0
% Current number of rules: 10
% New rule produced :
% [40] double_divide(inverse(A),inverse(double_divide(A,B))) -> inverse(B)
% Current number of equations to process: 55
% Current number of ordered equations: 0
% Current number of rules: 11
% New rule produced : [41] double_divide(double_divide(A,B),A) -> B
% Current number of equations to process: 55
% Current number of ordered equations: 0
% Current number of rules: 12
% New rule produced :
% [42]
% double_divide(double_divide(inverse(double_divide(inverse(A),inverse(B))),B),
% inverse(A)) -> identity
% Current number of equations to process: 54
% Current number of ordered equations: 0
% Current number of rules: 13
% New rule produced :
% [43] inverse(double_divide(inverse(double_divide(A,inverse(B))),B)) -> A
% Rule
% [39]
% inverse(double_divide(inverse(double_divide(inverse(A),inverse(B))),B)) ->
% inverse(A) collapsed.
% Current number of equations to process: 61
% Current number of ordered equations: 0
% Current number of rules: 13
% New rule produced :
% [44]
% inverse(double_divide(inverse(double_divide(inverse(A),B)),inverse(B))) ->
% inverse(A)
% Current number of equations to process: 60
% Current number of ordered equations: 0
% Current number of rules: 14
% New rule produced :
% [45] inverse(double_divide(inverse(B),A)) <-> double_divide(inverse(A),B)
% Rule
% [36]
% double_divide(A,inverse(double_divide(inverse(double_divide(inverse(A),
% double_divide(B,C))),B))) -> C
% collapsed.
% Rule [43] inverse(double_divide(inverse(double_divide(A,inverse(B))),B)) -> A
% collapsed.
% Rule
% [44]
% inverse(double_divide(inverse(double_divide(inverse(A),B)),inverse(B))) ->
% inverse(A) collapsed.
% The conjecture has been reduced.
% Conjecture is now:
% inverse(double_divide(c3,inverse(double_divide(b3,a3)))) = double_divide(
% inverse(a3),
% double_divide(c3,b3))
%
% Current number of equations to process: 67
% Current number of ordered equations: 1
% Current number of rules: 12
% New rule produced :
% [46]
% double_divide(A,double_divide(inverse(B),double_divide(inverse(A),double_divide(B,C))))
% -> C
% Current number of equations to process: 66
% Current number of ordered equations: 1
% Current number of rules: 13
% New rule produced :
% [47] double_divide(inverse(A),B) <-> inverse(double_divide(inverse(B),A))
% Rule
% [42]
% double_divide(double_divide(inverse(double_divide(inverse(A),inverse(B))),B),
% inverse(A)) -> identity collapsed.
% Current number of equations to process: 67
% Current number of ordered equations: 0
% Current number of rules: 13
% New rule produced :
% [48] double_divide(inverse(B),double_divide(A,inverse(B))) -> A
% Current number of equations to process: 66
% Current number of ordered equations: 0
% Current number of rules: 14
% New rule produced : [49] double_divide(A,double_divide(B,A)) -> B
% Rule [48] double_divide(inverse(B),double_divide(A,inverse(B))) -> A
% collapsed.
% Current number of equations to process: 68
% Current number of ordered equations: 0
% Current number of rules: 14
% New rule produced :
% [50] inverse(double_divide(B,A)) <-> double_divide(inverse(A),inverse(B))
% Current number of equations to process: 67
% Current number of ordered equations: 1
% Current number of rules: 15
% New rule produced :
% [51] double_divide(inverse(A),inverse(B)) <-> inverse(double_divide(B,A))
% Current number of equations to process: 67
% Current number of ordered equations: 0
% Current number of rules: 16
% New rule produced :
% [52]
% double_divide(double_divide(inverse(A),B),double_divide(inverse(B),A)) ->
% identity
% Current number of equations to process: 67
% Current number of ordered equations: 0
% Current number of rules: 17
% New rule produced :
% [53]
% inverse(double_divide(double_divide(inverse(A),B),C)) <->
% double_divide(inverse(C),double_divide(inverse(B),A))
% Current number of equations to process: 66
% Current number of ordered equations: 1
% Current number of rules: 18
% New rule produced :
% [54]
% double_divide(inverse(C),double_divide(inverse(B),A)) <->
% inverse(double_divide(double_divide(inverse(A),B),C))
% Current number of equations to process: 66
% Current number of ordered equations: 0
% Current number of rules: 19
% New rule produced :
% [55] inverse(double_divide(inverse(B),inverse(A))) <-> double_divide(A,B)
% Current number of equations to process: 75
% Current number of ordered equations: 1
% Current number of rules: 20
% New rule produced :
% [56] double_divide(A,B) <-> inverse(double_divide(inverse(B),inverse(A)))
% Rule [41] double_divide(double_divide(A,B),A) -> B collapsed.
% Current number of equations to process: 75
% Current number of ordered equations: 0
% Current number of rules: 20
% New rule produced :
% [57] inverse(double_divide(B,inverse(A))) <-> double_divide(A,inverse(B))
% Current number of equations to process: 77
% Current number of ordered equations: 1
% Current number of rules: 21
% New rule produced :
% [58] double_divide(A,inverse(B)) <-> inverse(double_divide(B,inverse(A)))
% Current number of equations to process: 77
% Current number of ordered equations: 0
% Current number of rules: 22
% New rule produced :
% [59]
% double_divide(double_divide(inverse(A),inverse(B)),double_divide(B,A)) ->
% identity
% Current number of equations to process: 89
% Current number of ordered equations: 0
% Current number of rules: 23
% New rule produced :
% [60]
% double_divide(double_divide(A,B),double_divide(inverse(B),inverse(A))) ->
% identity
% Current number of equations to process: 88
% Current number of ordered equations: 0
% Current number of rules: 24
% New rule produced :
% [61]
% double_divide(A,B) <->
% double_divide(inverse(C),double_divide(inverse(B),double_divide(C,A)))
% Current number of equations to process: 98
% Current number of ordered equations: 1
% Current number of rules: 25
% New rule produced :
% [62]
% double_divide(inverse(C),double_divide(inverse(B),double_divide(C,A))) <->
% double_divide(A,B)
% Current number of equations to process: 98
% Current number of ordered equations: 0
% Current number of rules: 26
% New rule produced :
% [63]
% double_divide(C,B) <->
% double_divide(A,double_divide(inverse(B),double_divide(inverse(A),C)))
% Current number of equations to process: 97
% Current number of ordered equations: 1
% Current number of rules: 27
% New rule produced :
% [64]
% double_divide(A,double_divide(inverse(B),double_divide(inverse(A),C))) <->
% double_divide(C,B)
% Current number of equations to process: 97
% Current number of ordered equations: 0
% Current number of rules: 28
% New rule produced :
% [65]
% inverse(double_divide(inverse(C),double_divide(B,A))) <->
% double_divide(double_divide(inverse(A),inverse(B)),C)
% Current number of equations to process: 96
% Current number of ordered equations: 1
% Current number of rules: 29
% New rule produced :
% [66]
% double_divide(double_divide(inverse(A),inverse(B)),C) <->
% inverse(double_divide(inverse(C),double_divide(B,A)))
% Current number of equations to process: 96
% Current number of ordered equations: 0
% Current number of rules: 30
% New rule produced :
% [67]
% inverse(double_divide(C,double_divide(inverse(B),A))) <->
% double_divide(double_divide(inverse(A),B),inverse(C))
% Current number of equations to process: 95
% Current number of ordered equations: 1
% Current number of rules: 31
% New rule produced :
% [68]
% double_divide(double_divide(inverse(A),B),inverse(C)) <->
% inverse(double_divide(C,double_divide(inverse(B),A)))
% Current number of equations to process: 95
% Current number of ordered equations: 0
% Current number of rules: 32
% New rule produced :
% [69]
% double_divide(double_divide(A,inverse(B)),double_divide(B,inverse(A))) ->
% identity
% Current number of equations to process: 169
% Current number of ordered equations: 0
% Current number of rules: 33
% New rule produced :
% [70]
% inverse(double_divide(double_divide(A,B),inverse(C))) <->
% double_divide(C,double_divide(inverse(B),inverse(A)))
% Current number of equations to process: 202
% Current number of ordered equations: 1
% Current number of rules: 34
% New rule produced :
% [71]
% double_divide(C,double_divide(inverse(B),inverse(A))) <->
% inverse(double_divide(double_divide(A,B),inverse(C)))
% Current number of equations to process: 202
% Current number of ordered equations: 0
% Current number of rules: 35
% New rule produced :
% [72]
% inverse(double_divide(A,double_divide(B,inverse(C)))) <->
% double_divide(double_divide(C,inverse(B)),inverse(A))
% Current number of equations to process: 201
% Current number of ordered equations: 1
% Current number of rules: 36
% New rule produced :
% [73]
% double_divide(double_divide(C,inverse(B)),inverse(A)) <->
% inverse(double_divide(A,double_divide(B,inverse(C))))
% Current number of equations to process: 201
% Current number of ordered equations: 0
% Current number of rules: 37
% New rule produced :
% [74]
% inverse(double_divide(double_divide(A,inverse(B)),C)) <->
% double_divide(inverse(C),double_divide(B,inverse(A)))
% Current number of equations to process: 200
% Current number of ordered equations: 1
% Current number of rules: 38
% New rule produced :
% [75]
% double_divide(inverse(C),double_divide(B,inverse(A))) <->
% inverse(double_divide(double_divide(A,inverse(B)),C))
% Current number of equations to process: 200
% Current number of ordered equations: 0
% Current number of rules: 39
% New rule produced :
% [76]
% double_divide(A,double_divide(inverse(B),inverse(C))) <->
% double_divide(inverse(double_divide(A,C)),B)
% Current number of equations to process: 224
% Current number of ordered equations: 1
% Current number of rules: 40
% New rule produced :
% [77]
% double_divide(inverse(double_divide(A,C)),B) <->
% double_divide(A,double_divide(inverse(B),inverse(C)))
% Current number of equations to process: 224
% Current number of ordered equations: 0
% Current number of rules: 41
% New rule produced :
% [78]
% inverse(double_divide(inverse(C),double_divide(A,B))) <->
% double_divide(A,inverse(double_divide(B,C)))
% Current number of equations to process: 223
% Current number of ordered equations: 1
% Current number of rules: 42
% New rule produced :
% [79]
% double_divide(A,inverse(double_divide(B,C))) <->
% inverse(double_divide(inverse(C),double_divide(A,B)))
% Current number of equations to process: 223
% Current number of ordered equations: 0
% Current number of rules: 43
% Rule [61]
% double_divide(A,B) <->
% double_divide(inverse(C),double_divide(inverse(B),double_divide(C,A))) is composed into
% [61] double_divide(A,B) <-> inverse(double_divide(inverse(B),inverse(A)))
% New rule produced :
% [80]
% double_divide(inverse(C),double_divide(A,double_divide(C,B))) ->
% inverse(double_divide(A,inverse(B)))
% Rule
% [46]
% double_divide(A,double_divide(inverse(B),double_divide(inverse(A),double_divide(B,C))))
% -> C collapsed.
% Rule
% [62]
% double_divide(inverse(C),double_divide(inverse(B),double_divide(C,A))) <->
% double_divide(A,B) collapsed.
% Current number of equations to process: 222
% Current number of ordered equations: 0
% Current number of rules: 42
% Rule [63]
% double_divide(C,B) <->
% double_divide(A,double_divide(inverse(B),double_divide(inverse(A),C))) is composed into
% [63] double_divide(C,B) <-> inverse(double_divide(inverse(B),inverse(C)))
% New rule produced :
% [81]
% double_divide(C,double_divide(A,double_divide(inverse(C),B))) ->
% inverse(double_divide(A,inverse(B)))
% Rule
% [64]
% double_divide(A,double_divide(inverse(B),double_divide(inverse(A),C))) <->
% double_divide(C,B) collapsed.
% Current number of equations to process: 247
% Current number of ordered equations: 0
% Current number of rules: 42
% Rule [76]
% double_divide(A,double_divide(inverse(B),inverse(C))) <->
% double_divide(inverse(double_divide(A,C)),B) is composed into [76]
% double_divide(A,
% double_divide(
% inverse(B),
% inverse(C)))
% <->
% double_divide(A,
% inverse(
% double_divide(C,B)))
% New rule produced :
% [82]
% double_divide(inverse(double_divide(A,B)),C) ->
% double_divide(A,inverse(double_divide(B,C)))
% Rule
% [77]
% double_divide(inverse(double_divide(A,C)),B) <->
% double_divide(A,double_divide(inverse(B),inverse(C))) collapsed.
% Current number of equations to process: 614
% Current number of ordered equations: 0
% Current number of rules: 42
% New rule produced :
% [83]
% double_divide(A,double_divide(B,inverse(double_divide(C,A)))) ->
% inverse(double_divide(B,C))
% Current number of equations to process: 644
% Current number of ordered equations: 0
% Current number of rules: 43
% New rule produced :
% [84]
% inverse(double_divide(A,double_divide(B,C))) <->
% double_divide(B,inverse(double_divide(C,inverse(A))))
% Current number of equations to process: 656
% Current number of ordered equations: 3
% Current number of rules: 44
% New rule produced :
% [85]
% inverse(double_divide(A,inverse(double_divide(B,C)))) <->
% double_divide(inverse(C),double_divide(A,B))
% The conjecture has been reduced.
% Conjecture is now:
% Trivial
%
% Current number of equations to process: 656
% Current number of ordered equations: 2
% Current number of rules: 45
% The current conjecture is true and the solution is the identity
% % SZS output start Refutation
%
% The following 18 rules have been used:
% [1]
% double_divide(A,identity) -> inverse(A); trace = in the starting set
% [2] double_divide(A,inverse(A)) -> identity; trace = in the starting set
% [3] multiply(A,B) -> inverse(double_divide(B,A)); trace = in the starting set
% [4] double_divide(A,inverse(double_divide(double_divide(identity,double_divide(
% inverse(A),
% double_divide(B,C))),B)))
% -> C; trace = in the starting set
% [5] double_divide(A,inverse(double_divide(double_divide(identity,inverse(
% inverse(A))),B)))
% -> inverse(B); trace = Cp of 4 and 2
% [8] double_divide(A,inverse(inverse(double_divide(identity,inverse(inverse(A))))))
% -> inverse(identity); trace = Cp of 5 and 1
% [10] double_divide(A,inverse(inverse(double_divide(identity,double_divide(
% inverse(A),
% double_divide(identity,B))))))
% -> B; trace = Cp of 4 and 1
% [15] double_divide(double_divide(identity,double_divide(inverse(identity),
% double_divide(identity,A))),
% inverse(inverse(A))) -> inverse(identity); trace = Cp of 10 and 8
% [21] inverse(identity) -> identity; trace = Cp of 15 and 1
% [33] double_divide(A,inverse(double_divide(inverse(A),B))) -> inverse(B); trace = Cp of 4 and 2
% [34] inverse(inverse(B)) -> B; trace = Cp of 4 and 1
% [36] double_divide(A,inverse(double_divide(inverse(double_divide(inverse(A),
% double_divide(B,C))),B)))
% -> C; trace = in the starting set
% [41] double_divide(double_divide(A,B),A) -> B; trace = Cp of 36 and 21
% [45] inverse(double_divide(inverse(B),A)) <-> double_divide(inverse(A),B); trace = Cp of 41 and 33
% [46] double_divide(A,double_divide(inverse(B),double_divide(inverse(A),
% double_divide(B,C)))) -> C; trace = in the starting set
% [62] double_divide(inverse(C),double_divide(inverse(B),double_divide(C,A)))
% <-> double_divide(A,B); trace = Cp of 46 and 41
% [78] inverse(double_divide(inverse(C),double_divide(A,B))) <->
% double_divide(A,inverse(double_divide(B,C))); trace = Cp of 62 and 33
% [85] inverse(double_divide(A,inverse(double_divide(B,C)))) <->
% double_divide(inverse(C),double_divide(A,B)); trace = Cp of 78 and 34
% % SZS output end Refutation
% All conjectures have been proven
%
% Execution time: 0.490000 sec
% res : bool = true
% time is now off
%
% status : string = "unsatisfiable"
% % SZS status Unsatisfiable
% CiME interrupted
%
% EOF
%------------------------------------------------------------------------------