[<1/1,000,000th%]

If the set of objects you're working with is leaves, and functions result in piles of leaves, then 1 + 1 = 1, when 2 separate piles of leaves are raked into one larger pile of leaves.

Fortunately this has nothing to do with your discussion.

[MacDorcha]

i already mentioned moles. this has chemical applications, and so, it does. thanks though :)