#### Mathematical English Usage - a Dictionary

##### by Jerzy Trzeciak

## backward(s)

We shall also refer to a point as backward nonsingular, with the obvious
analogous meaning.

The notion of backward complete is defined analogously by
exchanging the roles of f and f^{-1}.

Extend this sequence of numbers backwards, defining N_{-1}, N_{-2}
and N_{-3} by......

Then G is simply g with its periodic string read backwards.

[In most adverbial uses, * backward* and * backwards*
are interchangeable; as an adjective, the more standard form is * backward*:
* a backward shift.*]

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