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2. Terminal and nonterminal symbols - Wikipedia

   en.wikipedia.org/wiki/Terminal_and_nonterminal...

   A formal language defined or generated by a particular grammar is the set of strings that can be produced by the grammar and that consist only of terminal symbols. Diagram 1 illustrates a string that can be produced with this grammar. Diagram 1. The string Б Б Б Б was formed by the grammar defined by the given production rules. This grammar ...

3. Boolean grammar - Wikipedia

   en.wikipedia.org/wiki/Boolean_grammar

   They extend the basic type of grammars, the context-free grammars, with conjunction and negation operations. Besides these explicit operations, Boolean grammars allow implicit disjunction represented by multiple rules for a single nonterminal symbol, which is the only logical connective expressible in context-free grammars. Conjunction and ...

4. Noncontracting grammar - Wikipedia

   en.wikipedia.org/wiki/Noncontracting_grammar

   For an arbitrary noncontracting grammar (N, Σ, P, S), construct the context-sensitive grammar (N’, Σ, P’, S) as follows: For every terminal symbol a ∈ Σ, introduce a new nonterminal symbol [a] ∈ N’, and a new rule ([a] → a) ∈ P’. In the rules of P, replace every terminal symbol a by its corresponding nonterminal symbol [a].

5. Grammarly - Wikipedia

   en.wikipedia.org/wiki/Grammarly

   The company initially offered a subscription-based product intended to help students improve their grammar and spelling. [5] That product was subsequently developed into a writing assistant that checks the grammar, spelling, and tone of a piece of writing. [5] [6] [7] By 2015, Grammarly had one million active daily users. [8]

6. Context-free grammar - Wikipedia

   en.wikipedia.org/wiki/Context-free_grammar

   An extended context-free grammar (or regular right part grammar) is one in which the right-hand side of the production rules is allowed to be a regular expression over the grammar's terminals and nonterminals. Extended context-free grammars describe exactly the context-free languages.

7. AOL Help

   help.aol.com

   Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

8. Today’s NYT ‘Strands’ Hints, Spangram and Answers for Tuesday ...

   www.aol.com/today-nyt-strands-hints-spangram...

   Move over, Wordle and Connections—there's a new NYT word game in town! The New York Times' recent game, "Strands," is becoming more and more popular as another daily activity fans can find on ...

9. French Mayotte cyclone's toll still unclear as authorities ...

   www.aol.com/news/france-rushes-supplies-mayotte...

   MAMOUDZOU, Mayotte (Reuters) -The death toll from Cyclone Chido's rampage through the French overseas territory of Mayotte remained unclear on Wednesday, with shantytowns that were home to ...