Almost all definitions

Almost all

1) Mathematical terminology
Found on https://www.crosswordclues.com/clue/almost-all

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Almost all

In mathematics, the phrase `almost all` has a number of specialised uses. `Almost all` is sometimes used synonymously with `all but [except] finitely many` (formally, a cofinite set) or `all but a countable set` (formally, a cocountable set); see almost. A simple example is that almost all prime numbers are odd, which is based on the fact ...
Found on http://en.wikipedia.org/wiki/Almost_all

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