### Abstract

Finite Automata, both deterministic and non-deterministic, for regular languages.
The Myhill-Nerode Theorem. Closure under intersection, concatenation, etc.
Regular expressions define regular languages. Closure under reversal;
the powerset construction mapping NFAs to DFAs. Left and right languages; minimal DFAs.
Brzozowski's minimization algorithm. Uniqueness up to isomorphism of minimal DFAs.

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