Multiple choice

The word 'formal' in formal language means

  1. the symbols used have well defined meaning

  2. the symbols used are necessary in reality

  3. only the form of the string of symbols is significant

  4. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In formal language theory, the 'formal' aspect refers to the structure or syntax of the strings rather than the semantic meaning of the symbols themselves.

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