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Merged
Opened Jun 12, 2020 by sarahzrf@sarahzrfContributor

Added sig_finite (and elem_of_list_fmap_inj, proj1_inj_pi)

  • Overview 10
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  • Changes 3

I've added an instance sig_finite along with a couple of minor things used to define/prove it. This is a Finite instance for sigs over Finite types whose predicates are decidable and proof irrelevant:

(* Not a direct excerpt. *)
Context `{Finite A} (P : A → Prop) `{∀ x, Decision (P x)} `{∀ x, ProofIrrel (P x)}.
Global Instance sig_finite : Finite (sig P).
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Reference: iris/stdpp!164
Source branch: master