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Merge pull request #88 from volodeyka/master
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Generalize `imfset_comp` lemma
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affeldt-aist authored Jul 4, 2022
2 parents 6c6f3df + 6f0ae1a commit 388f413
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4 changes: 2 additions & 2 deletions finmap.v
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Expand Up @@ -2143,8 +2143,8 @@ Qed.
End Enum.

Section ImfsetTh.
Variables (key : unit) (K V : choiceType).
Implicit Types (f : K -> V) (g : V -> K) (A V : {fset K}).
Variables (key : unit) (K V V' : choiceType).
Implicit Types (f : K -> V) (g : V -> V') (A V : {fset K}).

Lemma imfset_id (A : {fset K}) : id @` A = A.
Proof. by apply/fsetP=> a; rewrite in_fset. Qed.
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