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## Homework Statement

For all real numbers x and y, ceiling of x,y = ceiling of x times ceiling of y

For all odd integers n, ceiling of n/2 = (n+1)/2

## Homework Equations

definition floor: floor of x = n n<or equal to x < n+1

definition ceiling: ceiling of x=n n-1 < x <orequal to n.

## The Attempt at a Solution

No idea where to even start. I don'r quite understand the concept and floor & ceiling.