CS代考计算机代写 ocaml Haskell 2. Recursive types and recursive expressions
2. Recursive types and recursive expressions 1 Representing propositional formulas in Haskell You may have seen recursive definitions like (1) before. (1) The set F of propositional formulas is defined as the smallest set such that: a. T∈F b. F∈F c. ifφ∈F,then¬φ∈F d. ifφ∈F andψ∈F,then(φ∧ψ)∈F e. ifφ∈F andψ∈F,then(φ∨ψ)∈F We can define a Haskell type to […]
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