theorem instCoeDepTypeCoffeeChainOfIs._proof_1
theorem instCoeDepTypeCoffeeChainOfIs._proof_1: ∀ (x : Type) [zvf2jw0p.CoffeeChain.Is x], zvf2jw0p.CoffeeChain.Is x
theorem instCoeDepTypeCoffeeChainOfIs._proof_1
theorem instCoeDepTypeCoffeeChainOfIs._proof_1: ∀ (x : Type) [zvf2jw0p.CoffeeChain.Is x], zvf2jw0p.CoffeeChain.Is x