English, 21.04.2020 15:24 jonlandis6

Let A be the set of English words that contain the letter x, and let B be the set of English words that contain the letter q. Express each of these as a combination of A and B:
a) The set of English words that do not contain the letter x.
b) The set of English words that contain anxbut not a q.
c) The set of English words that contain anxor a q, but not both.

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Let A be the set of English words that contain the letter x, and let B be the set of English words t...