4. Pushdown Automata, Conversion of CFG to PDA and Reverse Conversion

MIT 18.404J Theory of Computation, Fall 2020
Instructor: Michael Sipser
View the complete course: https://ocw.mit.edu/18-404JF20
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Quickly reviewed last lecture. Defined context free grammars (CFGs) and context free languages (CFLs). Defined pushdown automata (PDA). Gave conversion of CFGs to PDAs. Stated the reverse conversion without proof.

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