theorem instCoeDepTypeMaleOfIs._proof_1
theorem instCoeDepTypeMaleOfIs._proof_1: ∀ (x : Type) [yvbc459t.Male.Is x], yvbc459t.Male.Is x
theorem instCoeDepTypeMaleOfIs._proof_1
theorem instCoeDepTypeMaleOfIs._proof_1: ∀ (x : Type) [yvbc459t.Male.Is x], yvbc459t.Male.Is x