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It's very standard in computer science in the theory of formal languages. https://en.wikipedia.org/wiki/Pushdown_automaton https://en.wikipedia.org/wiki/Pushdo
by bad_user 12y ago
It's very standard in computer science in the theory of formal languages.
https://en.wikipedia.org/wiki/Pushdown_automaton https://en.wikipedia.org/wiki/Pushdown_automaton