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aartaka.me
| | afnan.io
1.5 parsecs away

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| | In 1936, Alonzo Church invented a universal model of computation called "lambda calculus." This system expresses computation as reductions on lambda expressions, which are basically just functions and variables. The system is simple but incredibly expressive, and serves as the foundation for programming languages such as Haskell and Idris. The significance of having a universal model of computation is that it provides a way of solving any problem that can be expressed in the system, and changes the problem from "how can I calculate this" to "can I express this properly?" Lambda calculus is also Turing complete, and even more impressively, was invented in the 1930s independently of Turing.
| | danilafe.com
2.2 parsecs away

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| | [AI summary] The blog post explores lambda calculus, its role in computation, and how Church-encoded integers are used to represent natural numbers through abstraction and function application.
| | sookocheff.com
2.7 parsecs away

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| | In a purely functional language - like lambda calculus - programs are expressed as nested function calls. Repetition in such an environment requires that nesting of function calls continues until some condition is met. During the repetition, each function passes its result to the next function in the nested chain and this repetition is completed when a test for some condition passes. The repetitive behaviour I've just described is recursion:
| | lucasfcosta.com
11.2 parsecs away

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| In this post, we will talk about one of the most beautiful ideas in computer science: the Y-Combinator. And no, I'm not talking about the VC firm in Silicon ...