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Pixel:
http://prntscr.com/hbfgs2
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Vocaloid:
as a hint: adding two integers will always produce another integer
Pixel:
so not closed?
Vocaloid:
closed
Vocaloid:
(this is the definition of closure - the operation will always produce another type of number in that set)
Pixel:
but its division?
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Vocaloid:
oh whoops
Vocaloid:
yeah you're right ;_: not closed
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