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ncfavier
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ncfavier
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Description
This PR defines joint monomorphisms, and proves some basic facts about them.
Notes
It might be worth comparing joint monos vs. subobjects of products for things like congruences: I expect that joint monos might be a bit nicer, but I don't want to do any refactors in this PR.
Checklist
Before submitting a merge request, please check the items below:
support/sort-imports.hs(ornix run --experimental-features nix-command -f . sort-imports).If your change affects many files without adding substantial content, and
you don't want your name to appear on those pages (for example, treewide
refactorings or reformattings), start the commit message and PR title with
chore:.