Monday, 1 June 2015

elementary set theory - How to show equinumerosity of the powerset of A and the set of functions from A to 0,1 without cardinal arithmetic?

How to show equinumerosity of the powerset of A and the set of functions from A to {0,1} without cardinal arithmetic?



Not homework, practice exercise.

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real analysis - How to find limhrightarrow0fracsin(ha)h

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