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  • !164

Added sig_finite (and elem_of_list_fmap_inj, proj1_inj_pi)

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Merged sarahzrf requested to merge sarahzrf/stdpp:master into master Jun 12, 2020
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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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Source branch: master