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lfa:2025:lab09 [2026/01/12 09:10] cata_chiru |
lfa:2025:lab09 [2026/01/14 19:49] (current) cata_chiru |
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| V - Set of terminals and non-terminals | V - Set of terminals and non-terminals | ||
| - | R - production rules ( $ R \subseteq (V \\ \Sigma) x V^n $ ) | + | R - production rules ($ R \subseteq (V \setminus \Sigma) \times V^n $) |
| + | |||
| + | **Property:** Chomsky Normal Form (CNF) - A grammar in CNF is context-free. | ||
| + | - all transitions are of the form: | ||
| + | * $ X \leftarrow YZ $ | ||
| + | * $ X \leftarrow a $ | ||
| + | * $ S \leftarrow \epsilon $ | ||
| + | |||
| + | S is the starting symbol. | ||