Download An Introduction to Functional Programming Through Lambda by Greg Michaelson PDF

By Greg Michaelson

Useful programming is rooted in lambda calculus, which constitutes the world's smallest programming language. This well-respected textual content deals an available creation to practical programming thoughts and strategies for college students of arithmetic and laptop technology. The therapy is as nontechnical as attainable, and it assumes no past wisdom of arithmetic or practical programming. Cogent examples light up the primary principles, and various workouts seem in the course of the textual content, delivering reinforcement of key thoughts. All difficulties function whole options.

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Extra info for An Introduction to Functional Programming Through Lambda Calculus (Dover Books on Mathematics)

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IBM™ is a trademark of the International Business Machines Corporation. 9 λ calculus Summary 32 Functional programming is an approach to programming based on function calls as the primary programming construct. It provides practical approaches to problem solving in general and insights into many aspects of computing. In particular, with its roots in the theory of computing, it forms a bridge between formal methods in computing and their application. In this chapter we are going to look at how functional programming differs from traditional imperative programming.

Additional axioms and rules of inference are provided for quantified expressions. Predicate calculus may be applied to different problem areas through the development of appropriate predicates, functions, axioms and rules of inference. For example, number theoretic predicate calculus is used to reason about numbers. Functions are provided for arithmetic and predicates are provided for comparing numbers. Predicate calculus also forms the basis of logic programming in 48 languages like PROLOG, and of expert systems based on logical inference.

For example, if 12 items cost 144 cents, then each item costs: If 15 items cost 45 cents then each item costs: In general, if items items cost cost cents then each item costs: 64 Now, compare this with the formula for finding a total cost: They are the same except for the operation ‘/’ in finding the cost of each item and ‘*’ in finding the cost of all items. We have two instances of a problem involving the application of an operation to two operands.

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