theorem instCoeDepTypeContinuantFiatBoundaryOfIs._proof_1
theorem instCoeDepTypeContinuantFiatBoundaryOfIs._proof_1: ∀ (x : Type) [ta3nj1a4.ContinuantFiatBoundary.Is x], ta3nj1a4.ContinuantFiatBoundary.Is x
theorem instCoeDepTypeContinuantFiatBoundaryOfIs._proof_1
theorem instCoeDepTypeContinuantFiatBoundaryOfIs._proof_1: ∀ (x : Type) [ta3nj1a4.ContinuantFiatBoundary.Is x], ta3nj1a4.ContinuantFiatBoundary.Is x