Question: Does Maple have a set membership query function?

Does Maple have a command for return true or false when querying set membership of an element?

I have sets of random integers, Stuff[k], indexed by k, for example


I need to be able to test if

7 is a member of Stuff[9]: // I should get false

5 is a member of Stuff[9]: // I should get true

There is no such set membership function listed in the Help menu.

I finally figured out a for loop for sequentially removing one set from another (set-theoretic subtraction).

Too bad it is not possible to cut and paste code into these Maple Primes forum boxes: I would show it.

Thank you for help.

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