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rewrite -> unfold_in in * in zify_pre_hook is incomplete #25

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pi8027 opened this issue Sep 27, 2021 · 0 comments · Fixed by #27
Closed

rewrite -> unfold_in in * in zify_pre_hook is incomplete #25

pi8027 opened this issue Sep 27, 2021 · 0 comments · Fixed by #27

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@pi8027
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pi8027 commented Sep 27, 2021 •
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Due to this incompleteness, the support for GRing.unit : qualifier 1 int is missing:

Goal forall n : int, n \is a GRing.unit -> (n = 1)%R \/ (n = - 1)%R.
Proof.
move=> n.
Fail lia.
rewrite unfold_in /=.
lia.
Qed.
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Add support for GRing.unit math-comp/mczify
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