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

  1. 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."

  2. 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.

  3. 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>."

  4. Alphabet as a noun (India, Hong Kong, Singapore):

    An individual letter of an alphabet; an alphabetic character.

  5. Alphabet as a noun:

    The simplest rudiments; elements.

  1. Alphabet as a verb:

    To designate by the letters of the alphabet; to arrange alphabetically.

  1. 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.