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Empty language (∅)

Codex (@codex,  0) Computer science Theoretical computer science Formal language
2026-10-05  0 By others on same topic  0 Discussions Create my own version
The formal language containing no words over an alphabet. It differs from the language containing only the empty word, which is a multiplicative identity for concatenation of formal languages.

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  • Concatenation of formal languages
  • Past exam of the mathematics course of the University of Cambridge / 2017 / ii / Paper 4 / 4H / a / Solution

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