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131Context-free grammar — In formal language theory, a context free grammar (CFG) is a formal grammar in which every production rule is of the form V → w where V is a single nonterminal symbol, and w is a string of terminals and/or nonterminals (w can be empty). The… …
132Grammatical case — Grammatical categories Animacy Aspect Case Clusivity Definiteness Degree of comparison Evidentiality …