FOIL 6.4   [January 1996]
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    Options:
	verbosity level 0

Relation member

Relation *components

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member:

member(A,B) :- components(B,A,C).
member(A,B) :- components(B,C,D), member(A,D).

Time 0.0 secs

Test relation member
Summary: 1 error in 4 trials