Loop invariants are logical assertions that are true before and after each iteration of a loop. They are used to prove correctness properties of loops and algorithms, and can be viewed as an abstract specification of the loop. Loop invariants are similar to inductive hypotheses used to prove recursive programs.
Stanford University
Fall 2022
Stanford University's CS 242 teaches the basics of programming language theory, its applications, and future trends. It focuses on the practical and theoretical understanding of programming languages, covering typed lambda calculus, state, monads, and more.
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