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no...an empty set is still a set....so there is 1 way you can climb 0 stairs...ie 0! (zero factorial) =1
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Recursion: Davis' Staircase
You are viewing a single comment's thread. Return to all comments →
no...an empty set is still a set....so there is 1 way you can climb 0 stairs...ie 0! (zero factorial) =1