theorem BFO.instCoeContinuantFiatBoundaryImmaterialEntity._proof_1
theorem BFO.instCoeContinuantFiatBoundaryImmaterialEntity._proof_1: ∀ (v : hz46pbq2.BFO.ContinuantFiatBoundary), hz46pbq2.BFO.ImmaterialEntity.Is (Subtype.val v)
theorem BFO.instCoeContinuantFiatBoundaryImmaterialEntity._proof_1
theorem BFO.instCoeContinuantFiatBoundaryImmaterialEntity._proof_1: ∀ (v : hz46pbq2.BFO.ContinuantFiatBoundary), hz46pbq2.BFO.ImmaterialEntity.Is (Subtype.val v)