Question: 1. The text defined a predicate elem(x, y) that held when x was an element of the list y. Consider the following variant: elem3(X,[X]). elem3(X,[_|L])

1. The text defined a predicate elem(x, y) that held when x was an element of the list y. Consider the following variant:

elem3(X,[X]).

elem3(X,[_|L]) :- elem3(X,L).

Give an example of an x and a y such that elem(x, y) holds but where elem3(x, y)

does not hold. Describe in English when the predicate elem3(x, y) holds in general.

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