[mercury-users] The Logic of Mercury

[Lee Naish]

In message <86k8q1hgp9.fsf at king.ki.informatik.uni-frankfurt.de>you write:
>Lee> append :: list(T) -> list(T) -> list(T) -> pred
>Lee> ',' :: pred -> pred -> pred
>
>This may be a stupid question, but what is unfortunate for the
>intuition with the above? I don't get it.

If you consider relational programming is better than functional programming
("functions are a special case of predicates" rather then the converse)
but then view relations as functions when it comes to types its a bit of a
contradiction.

	lee
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