Grammars, PDAs, and Context-Free Languages

1. Context-Free Grammars:
   • Material Part1 and Part2
   • More thoughts: intro to Context-Free Grammars | More Grammars
2. Pushdown Automata:
   • Material here
   • More thoughts PDAs
3. Equivalencies and Other Grammars:
   • Material here and here
   • Other thoughts: Regular Grammars | Chomsky Hierarchy | More on grammars
4. Properties of Context-free Languages:
   • Material Chomsky Normal Form | decision questions for CF | Closure of CF languages
5. The Pumping Lemma:
   • Material here
   • More thoughts: Pumping Lemma for CFL
6. Summary from book here
7. Extension/Revision Questions:
   • CFGs and PDAs and sols
   • Context-Free Languages and sols