👉 The term "Boole's Theorem" is a mathematical theorem in set theory that states that for any set A and any numbers x, y, z, one has: P(A ∪ {x}) = P(A) + P({x}) where P(A) denotes the power set of A. This theorem is named after George Boole, who first introduced it in 1864. In simpler terms, this means that if you have a set A and you add any

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