algebra of sets
noun Mathematics.
a nonempty collection of sets having the property that the union of two sets of the collection is a set of the collection and the complement of each set of the collection is a set in the collection.
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Can you see the difference between those symbols?Though one of the least-used letters, X has a remarkable way of getting attention. We’ve already looked at the varied uses of X: Gen X, Xbox, XOXO, the X chromosome. British dramatist Ben Jonson wanted to remove the 24th letter from the alphabet, saying, that x “is rather an abbreviation, or way of short writing, than a letter: for it hath the sound of c and s, or k and s.” …
Compare Boolean ring.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019