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Results tagged with normal-forms
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user 2765
Questions about normal forms in various contexts, for example normal forms of context-free grammars (Chomsky normal form, Greibach normal form), of formulas (conjunctive normal form, disjunctive normal form), and others.
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When is ε-removal from a CFG idempotent?
For which context-free grammars is it idempotent to remove $\varepsilon$-productions? Given that there are multiple rewriting algorithms which preserve language and leave the grammar without $\vareps …
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