2. Consider a function with polymorphic type f : 'a -> 'a -> 2.1. What is...

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2. Consider a function with polymorphic type f : 'a -> 'a -> 2.1. What is the type of f 0 ? 'a. 2.2. What is the type of fun x -> f x x ? Briefly explain your reasoning. 2. Consider a function with polymorphic type f : 'a -> 'a -> 2.1. What is the type of f 0 ? 'a. 2.2. What is the type of fun x -> f x x ? Briefly explain your reasoning.