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The following file triggers the following error with its last tactic:
`Anomaly: cvtac's exception: Logic.RefinerError(_). Please report.`
```
Require Export Program Setoid Utf8.
Require Export mathco…
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Is there a plan to define order-preserving morphisms and some of their theory?
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In the following, the obvious occurence of nested `funcomp` is not found. Instead, `f` is unifed with the identify function and `h` is unified with an application of `funcomp`.
```coq
From Mtac2 Req…
Janno updated
5 years ago
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ie
~~~coq
Inductive sEq {A} x : A -> SProp := sEq_refl : sEq x x.
Lemma sEq_sym {A} {x y : A} (e : sEq x y) : sEq y x.
Proof.
rewrite e.
~~~
This fails as rewrite tries to define `internal_sE…
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We need a test suite automatically run by CI, and also extensive test cases to detect regressions. I think it makes sense to include `example.v` in it.
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#### Description of the problem
The following `ssreflect` example uses `apply:` to incorrectly arrive at `No more subgoals` for the goal `Vector.t unit 0 -> False`.
An ill-typed term is produc…
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The following script showcases some unfortunate notation behaviors (on the current coq.dev and finmap.dev)
```coq
From mathcomp Require Import all_ssreflect finmap.
Open Scope fset_scope.
Lem…
chdoc updated
4 years ago
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#### Description of the problem
We were writing a tactic that takes a lemma with `open_constr`, and passed it to `apply:`. We discovered this tactic generated shelved but unused goals; in fact, eve…
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Note: the issue was created automatically with bugzilla2github tool
Original bug ID: BZ#5699
From: @robbertkrebbers
Reported version: 8.7+alpha
CC: @SkySkimmer, @RalfJung
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#### Description of the problem
When doing `intros ?` (or `destruct x` or ...), Coq will pick a name for that variable/hypothesis. It is generally considered bad style to use that name later in…