theorem instCoeDepTypeBigCoffeeChainOfIs._proof_1
theorem instCoeDepTypeBigCoffeeChainOfIs._proof_1: ∀ (x : Type) [zvf2jw0p.BigCoffeeChain.Is x], zvf2jw0p.BigCoffeeChain.Is x
theorem instCoeDepTypeBigCoffeeChainOfIs._proof_1
theorem instCoeDepTypeBigCoffeeChainOfIs._proof_1: ∀ (x : Type) [zvf2jw0p.BigCoffeeChain.Is x], zvf2jw0p.BigCoffeeChain.Is x