| Lemma | context-free |
|---|---|
| Categoria grammaticale | AG |
| Lingua | inglese |
| Sigla | Chomsky (1969) |
| Titolo | Aspects of the theory of syntax |
| Sinonimi | simple (inglese) |
| Rinvii | |
| Traduzioni | |
| Citazioni | (4) A → Z/X − Y [...] The grammar is, furthermore, called 'context-free' (or 'simple') if in each rule of the form (4) 'X' and 'Y' are null, so that the rules apply independently of context. |