Thursday, 13 November 2014

functions - Find a bijective mapping that shows that [0,1] and [0,1) have the same cardinality




I need to show that the two sets [0,1] and [0,1) have the same cardinality. I know that in order to show this I must show that there exists f such that f:[0,1][0,1),

but I am not sure how to proceed.



Any help would be appreciated. Thanks.


Answer



Define:



f(x)={11+n,if x=1n , nN .x,otherwise.


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