Artificial intelligence
In LISP, the function (list-length )

All of these
None of these
returns the length of
returns t if is empty.
returns a new list that is equal to by copying the top-level element of

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Artificial intelligence
A heuristic is a way of trying __________

To discover something or an idea embedded in a program
All of the mentioned
To compare two nodes in a search tree to see if one is better than the other is
To search and measure how far a node in a search tree seems to be from a goal

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