Is $L = \{A^n B^n C^n \mid n \in \mathbb{N}\}$ a context-free language, e.g. $AAAABBBBCCCC \in L$If so, what's that context-free grammar that produces it?
Context Free Grammar for $\{A^nB^nC^n | n \in \mathbb{N}\}$
formal languages;context free