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feat(library.md): update reference to classical axiom

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Floris van Doorn 2015-08-07 14:39:45 +02:00 committed by Leonardo de Moura
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library/library.md
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@ -27,8 +27,8 @@ The `standard` library does not rely on any axioms beyond this framework, and is
hence constructive. It includes theories of the natural numbers, integers,
lists, and so on.
The `classical` library imports the law of the excluded middle, choice functions,
and propositional extensionality. See `logic/axioms` for details.
The `classical` library also imports a choice function axiom, which implies
the law of the excluded middle and propositional extensionality. See [logic.choice](logic/choice.lean) for details.
See also the [hott library](../hott/hott.md), a library for homotopy
type theory based on a predicative foundation.