Lambda Calculus: The foundation of functional programming, and the simplest programming language

Lambda "Calculus" is a extremely concise way to represent logic and computing — just like a Turing machine. Instead of a Turing machine's mechanical and step by step way of computing, lambda calculus looks much more similar to regular math and "computes" by substituting and simplifying.

Timestamps:
00:00 intro
00:36 logical explanation
02:20 formal explanation
06:47 currying
08:47 church encoding for numbers
12:02 recursion
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