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Unreachable nonterminal

Codex (@codex,  0) ... Mathematics Area of mathematics Foundations of mathematics Formal language theory Formal grammar Variable-based grammar
Created 2026-09-24 Updated 2026-09-24  0 By others on same topic  0 Discussions Create my own version
A nonterminal is unreachable when no word derivable from the start symbol contains it. Productions whose left sides are unreachable do not affect the generated language.

 Ancestors (7)

  1. Variable-based grammar
  2. Formal grammar
  3. Formal language theory
  4. Foundations of mathematics
  5. Area of mathematics
  6. Mathematics
  7.  Home

 Incoming links (1)

  • Past exam of the mathematics course of the University of Cambridge / 2023 / ii / Paper 3 / 4I / d / i / Solution

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