What means #nZZ# ?

1 Answer
George C.
Jan 20, 2018

It can mean the set of integer multiples of #n#.

Explanation:

#nZZ# can mean the set of integer multiples of #n#. For example:

#2ZZ = { 0, 2, -2, 4, -4, 6, -6, ... }#

It may also refer to this set considered as a group or as a ring.

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