Grant Mericle (gmericle@VT.EDU)
Sat, 22 Apr 2000 09:49:43 -0400
Message-ID: <NEBBJHHICLFENMPAKIDPAEMMCBAA.firstname.lastname@example.org> Date: Sat, 22 Apr 2000 09:49:43 -0400 From: Grant Mericle <gmericle@VT.EDU> Subject: [CS3304_1381] binding a logical variable to a list
the list that I pass in looks like this: [[3,1],plus,[2,1]]
factor([Head|Tail], Answer) :-
is_list(Head), Answer is Head. ??
How do I bind answer to the first element in the list ( [3,1] )?
I realize that I could write the rule as factor([Head|Tail], Head)...
but that creates problems when I have to evaluate something like "+-3".
Any pointers would be appreciated..
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