[Merged by Bors] - feat: port Algebra.Order.Monoid.WithTop #902
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mathlib3: 655994e298904d7e5bbd1e18c95defd7b543eb94 - [x] depends on #910 Not too bad. Mostly renaming instances and a few broken proofs. Things to double-check (all marked with `Porting note`): - `lift` is not implemented yet, I replaced it with `induction`. - In `addSemigroup` I didn't get `repeat` or `repeat'` to work. That could be golfed. - In `WithTop.addHom` the anonymous constructor didn't work, but writing it out, it did. Is that expected? - I'm a bit unsure about coersions. I left in most things and removed (commented out) the lemma `coe_coe_add_hom`. Could be worth gleaming over anything that has `coe` in it's name. Co-authored-by: Jon Eugster <eugster.jon@gmail.com> Co-authored-by: Jon Eugster <Jon.Eugster@hhu.de>
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Regenerated from the [port status wiki page](https://github.com/leanprover-community/mathlib/wiki/mathlib4-port-status). Relates to the following PRs: * `algebra.group.ulift`: leanprover-community/mathlib4#906 * `algebra.group.with_one.basic`: leanprover-community/mathlib4#922 * `algebra.group_with_zero.units.lemmas`: leanprover-community/mathlib4#920 * `algebra.order.field.defs`: leanprover-community/mathlib4#905 * `algebra.order.group.abs`: leanprover-community/mathlib4#896 * `algebra.order.group.inj_surj`: leanprover-community/mathlib4#916 * `algebra.order.group.type_tags`: leanprover-community/mathlib4#921 * `algebra.order.monoid.with_top`: leanprover-community/mathlib4#902 * `algebra.order.positive.ring`: leanprover-community/mathlib4#911 * `algebra.order.ring.canonical`: leanprover-community/mathlib4#905 * `algebra.order.ring.char_zero`: leanprover-community/mathlib4#905 * `algebra.order.ring.defs`: leanprover-community/mathlib4#905 * `algebra.order.ring.inj_surj`: leanprover-community/mathlib4#917 * `algebra.ring.idempotents`: leanprover-community/mathlib4#918
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mathlib3: 655994e298904d7e5bbd1e18c95defd7b543eb94
WithBot,WithTop,WithOneandWithZero#910Not too bad. Mostly renaming instances and a few broken proofs.
Things to double-check (all marked with
Porting note):liftis not implemented yet, I replaced it withinduction.addSemigroupI didn't getrepeatorrepeat'to work. That could be golfed.WithTop.addHomthe anonymous constructor didn't work, but writing it out, it did. Is that expected?coe_coe_add_hom. Could be worth gleaming over anything that hascoein it's name.