Ciao Preprocessor (integrated Alpha version)
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{In /tmp/tmps34tJO/less2.pl
{loaded in 3444.216 msec.}
{preprocessed for plai in 0.0 msec.}
{analyzed by plai using det with local-control off in 4.0 msec.}
{written file /tmp/tmps34tJO/less2_det_co.pl}
:- module(_1,[less/2],[assertions]).

:- entry less(A,B)
         : ground(A).

:- true pred less(A,B)
         : ( native_props:mshare([[B]]), ground([A]), gnd(A), term(B) )
        => ( native_props:mshare([[B]]), ground([A]), rt10(A), rt12(B) )
         + ( is_det, mut_exclusive ).

less(0,Y) :-
        !,
        Y=s(_1).
less(X,Y) :-
        p(X,X1),
        p(Y,Y1),
        less(X1,Y1).

:- true pred p(_1,X)
         : ( native_props:mshare([[_1],[X]]), var(X), term(_1), term(X) )
        => ( native_props:mshare([[_1,X]]), rt9(_1), term(X) )
         + ( is_det, mut_exclusive ).

:- true pred p(_1,X)
         : ( native_props:mshare([[X]]), var(X), ground([_1]), gnd(_1), term(X) )
        => ( ground([_1,X]), rt5(_1), gnd(X) )
         + ( is_det, mut_exclusive ).

p(0,0).
p(s(X),X).

:- true pred X=s(_1)
         : ( native_props:mshare([[X],[_1]]), var(_1), term(X), term(_1) )
        => ( native_props:mshare([[X,_1]]), rt0(X), term(_1) )
         + ( is_det, mut_exclusive ).

X=X.


:- regtype rt11/1.

rt11(0).
rt11(A) :-
        gnd(A).
rt11(s(A)) :-
        rt11(A).


:- regtype rt10/1.

rt10(0).
rt10(s(A)) :-
        rt11(A).


:- regtype rt13/1.

rt13(0).
rt13(A) :-
        term(A).
rt13(s(A)) :-
        rt13(A).


:- regtype rt12/1.

rt12(0).
rt12(s(A)) :-
        rt13(A).


:- regtype rt9/1.

rt9(0).
rt9(s(A)) :-
        term(A).


:- regtype rt5/1.

rt5(0).
rt5(s(A)) :-
        gnd(A).


:- regtype rt0/1.

rt0(s(A)) :-
        term(A).