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context_free_grammar_inclusion (499B)


      1 # Context free grammar inclusion
      2 
      3 It is [undecidable], already for [uCFLs], and already for [linear_uCFLs], see [asveld2000note]
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      5 However, it is [decidable] whether a [CFG] G is included in a given [NFA] A, because it amounts to the [negation] of [deciding] [CFG_emptiness] of the [CFG_automaton_intersection] of G and the [NFA_complement] of A
      6 
      7 Up: [inclusion_problem], [context_free_grammar_problem]
      8 
      9 Aliases: CFG inclusion, CFG language inclusion
     10 
     11 See also: [CFG_equivalence], [CFG_universality]