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The following warning is given when I import mathcomp.algebra.matrix:
```
$ coqtop
Welcome to Coq 8.5pl1 (May 2016)
Coq < Require Import mathcomp.algebra.matrix.
Small Scale Reflection version 1.5 …
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#### Description of the problem
```coq
From Coq Require Import ssreflect.
Goal True -> True.
move=> H. apply: (H) {H}.
(* Error: Anomaly "in retyping: Variable H unbound." *)
```
(I know th…
aedoq updated
8 months ago
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Maybe also print a helper message of how to rewrite a single occurrence if multiple are rewritten?
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TR: Currently experimenting on `FStar.Seq` (proposed changes coming soon.)
I propose the following guidelines:
1. Prefix each lemma name with `lemma_`
This convention seems to be in progress of bei…
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The installation instructions are a bit incomplete, especially for Windows:
1. `README.md` says to install using OPAM, including an installation of Coq. However, the OPAM build of Coq doesn't buil…
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QuickChick reports that `gcdn` function is not commutative (which it is):
```coq
From mathcomp Require Import ssreflect ssrnat div.
From QuickChick Require Import QuickChick.
QuickChick
(fun…
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#### Description of the problem
Sometimes unexpectedly the `ssreflect` view mechanism fails with `__view_subject__ is used in conclusion` or `__discharged_H__ is used in conclusion`. Here is a …
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Playing with complex numbers, I can't help but notice that some computations are pretty ugly:
```
From mathcomp Require Import all_ssreflect all_algebra.
From mathcomp.real_closed Require Import co…
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#### Description of the problem
```coq
From Coq Require Import ssreflect ssrfun.
Lemma compA A B C D (f : A -> B) (g : B -> C) (h : C -> D):
h \o g \o f = h \o (g \o f).
Proof. by []. Q…