[isabelle-dev] Infix syntax for division?

[Florian Haftmann]

> I believe Maude (another system named after a French female, presumably) even had a different minus operator on “nat” as opposed to the other types. In a formal context, such precision is surely helpful. Indeed, minus is a nasty case for Dmitriy’s coercions.

If there an established infix notation more confined minus, we could use
this likewise using abbreviations (hence avoiding duplication on the
logical level).  But that is another story.

	Florian

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