removes a usage of the subst tactic, relying on idiomatic ssreflect #1
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CohenCyril
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Mar 29, 2024
| move SE : (\matrix_(i < m, j < _) coord (vbasis <<s>>) j s`_i) => S. | ||
| move rE : (\rank S) => r; move kE : (m - r)%N => k. | ||
| have Dm: (m = k + r)%N by rewrite -kE -rE subnK ?rank_leq_row. | ||
| move: s s_s s_Zs s_v S SE rE kE; rewrite Dm=> s s_s s_Zs s_v S SE rE kE. |
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Suggested change
| move: s s_s s_Zs s_v S SE rE kE; rewrite Dm=> s s_s s_Zs s_v S SE rE kE. | |
| rewrite Dm in s s_s s_Zs s_v S SE rE kE *. |
|
I cherry-picked the commits and addressed the comment, so that the review can take place on the original PR and this one can be closed. |
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Motivation for this change
style improvement, avoiding tactics remember and subst
Things done/to do
CHANGELOG_UNRELEASED.mdCompatibility with MathComp 1.X
TODO: MC-1 portto make sure someone ports this PR tothe
mathcomp-1branch or I already opened an issue or PR (please cross reference).Automatic note to reviewers
Read this Checklist and put a milestone if possible.