Mathematics, 02.03.2020 23:31 niicoleassssssf

Let x be an element of nonempty set A, and suppose x≠∅. Select whether each of the following statements are necessarily true or false. A statement that is not necessarily true should be marked as false. (a) A⊊A (b) ∅∈∅ (c) ∅⊆{x} (d) A−{x}⊂A

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Let x be an element of nonempty set A, and suppose x≠∅. Select whether each of the following stateme...

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