Definition:Backus-Naur Form/Alphabet
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Definition
The alphabet of Backus-Naur form has the following components:
- The signs:
- The primitive symbol
::=
which means consists of - The primitive symbol
|
which means or
- The primitive symbol
- The letters:
- A collection of metasymbols, typically rendered as $\meta {metasymbol}$
- Words in the object language.