The difference between Alphabet and Formal language
When used as nouns, alphabet means the set of letters used when writing in a language, whereas formal language means a generally finite set of possible strings (called sentences) made of symbols (from a symbol set called the alphabet) along with rules constraining how the symbols can be used.
Alphabet is also verb with the meaning: to designate by the letters of the alphabet.
check bellow for the other definitions of Alphabet and Formal language
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Alphabet as a noun:
The set of letters used when writing in a language.
Examples:
"The Greek alphabet has only twenty-four letters."
"In the first year of school, pupils are taught to recite the alphabet."
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Alphabet as a noun:
A writing system in which letters represent phonemes. A writing system in which there are letters for the consonant and vowel phonemes.
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Alphabet as a noun (computer science):
A typically finite set of distinguishable symbols.
Examples:
"Let <math>L</math> be a regular language over the alphabet <math>\Sigma</math>."
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Alphabet as a noun (India, Hong Kong, Singapore):
An individual letter of an alphabet; an alphabetic character.
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Alphabet as a noun:
The simplest rudiments; elements.
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Alphabet as a verb:
To designate by the letters of the alphabet; to arrange alphabetically.
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Formal language as a noun (computing theory):
A generally finite set of possible strings (called sentences) made of symbols (from a symbol set called the alphabet) along with rules constraining how the symbols can be used.