theorem Sandwich.instCoeBreadObject._proof_1
theorem Sandwich.instCoeBreadObject._proof_1: ∀ (v : v289fr59.Sandwich.Bread), j12bzjgj.BFO.Object.Is (Subtype.val v)
theorem Sandwich.instCoeBreadObject._proof_1
theorem Sandwich.instCoeBreadObject._proof_1: ∀ (v : v289fr59.Sandwich.Bread), j12bzjgj.BFO.Object.Is (Subtype.val v)