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Definition help

Basically the question states find the mathematical flaws in the question and i cannot seem to find any.

the question is

Let a = (b1, b2, . . .) be a given sequence of elements of B. We
define the function
f : Z B
Reply 1
It seems that you're missing a portion of the question.
Original post by tommm
It seems that you're missing a portion of the question.


Perhaps that is one of the flaws he is meant to spot
Reply 3
Original post by Dimez69
Basically the question states find the mathematical flaws in the question and i cannot seem to find any.

the question is

Let a = (b1, b2, . . .) be a given sequence of elements of B. We
define the function
f : Z B


If you think that this function gives the sequence of 'a' then the definition is not
correct because the sequence 'a' is
f:NB f: \mathbb N \rightarrow B
as the order of the term in the sequence is a positive (nonzero) integer
rather than element of Z wich maybe negative and zero too.

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