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Coq is a formal proof management system. It provides a formal language to write mathematical definitions, executable algorithms and theorems together with an environment for semi-interactive developme...

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### Description of the problem When enclosing abbreviations in a module B, importing outer modules (e.g. A) will make the abbreviation printed, even when not importing module B. This is...

kind: user messages
kind: bug

### Description of the problem When Type-in-Type is set, sort unification discards quality equalities, leading to wrong relevance marks, which errors in the end. ### Small Rocq / Coq file...

kind: bug
needs: triage

### Is your feature request related to a problem? Because `Cumulative` sort polymorphic records are not cumulative in sorts, this code fails: ```coq #[export] Set Universe Polymorphism. #[export] Set Polymorphic...

part: universes
kind: wish
part: sort polymorphism

For experimentation I set to to require exact substring match when the searched string has length

needs: full CI

### Description of the problem Definitional UIP does not reduce proofs of `seq A1 A2` to `srefl` when `A1` and `A2` differ only in (unifiable) universe levels, which significantly inhibits...

kind: bug

Fixes / closes #???? [#Rocq users > Set Printing FullyQualifiedNames. @ 💬](https://rocq-prover.zulipchat.com/#narrow/channel/237977-Rocq-users/topic/Set.20Printing.20FullyQualifiedNames.2E/near/516341091) - [ ] Added / updated **test-suite**. - [ ] Added **changelog**. - [ ] Added / updated...

needs: rebase
needs: full CI

### Description of the problem It seems lia reduces `pow` functions on constant arguments in a very inefficient way. Reducing the exponent by one order of magnitude makes the examples...

kind: bug
needs: triage

#### Description of the problem Don't know if this is a real bug or a feature. In the latter case I would like to ask for a workaround. `specialize` does...

kind: regression

#### Description of the problem The following proof script worked fine in Coq 8.13 and 8.14, but stopped working with 8.15: ``` Lemma test (X : nat -> Prop) (H...

part: tactics
kind: regression