HepLean Documentation

Mathlib.Data.Finite.Sigma

Finiteness of sigma types #

instance Finite.instSigma {α : Type u_1} {β : αType u_2} [Finite α] [∀ (a : α), Finite (β a)] :
Finite ((a : α) × β a)
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instance Finite.instPSigma {ι : Sort u_2} {π : ιSort u_3} [Finite ι] [∀ (i : ι), Finite (π i)] :
Finite ((i : ι) ×' π i)
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