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Unification between variables and predicates containing ignores #1

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cameel opened this issue Aug 10, 2020 · 0 comments

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cameel commented Aug 10, 2020

Here's a case that won't work properly without the unification module being able to create fresh variables:

?- [family(_), family(_)] = [X, Y].
X = family(_19418),
Y = family(_19428).

?- [family(_), family(_), family(1), family(2)] = [X, Y, X, Y].
X = family(1),
Y = family(2).

The current implementation will come up with X = family(_), Y = family(_) in the first example and will return false in the second one.

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