The 3-tuple (686, 392, 48) as a set

An n-tuple (x1,...,xn) is an ordered list of n sets. It can be constructed in several ways. A popular definition is the original set x1 for n=1 and the ordered pair ((x1,...,xn-1),xn) otherwise.

Klick on the ordered pair ( 686, 392 ) or the natural number 48 to see how it may be defined as a set.

(686, 392, 48) = ( ( 686, 392 ), 48 )

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