3-SAT

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The 3-SAT (3-Satisfiability) problem is a classic problem in computer science, particularly in the field of computational complexity theory. It's a specific type of Boolean satisfiability problem (SAT), which is foundational in the study of algorithmic logic and has significant implications in various areas like cryptography, artificial intelligence, and algorithm design.

1. Boolean Variables -- The problem involves a set of Boolean variables. Each variable can take on one of two values: true or false.

2. Clauses -- The heart of the problem lies in a series of clauses. Each clause is a disjunction (logical OR) of exactly three literals. A literal is either a variable or its negation. For example, a clause might be $(x \lor \neg y \lor z)$, where $x, y,$ and are Boolean variables, and represents the negation of .