Formal-Grammar

https://en.wikipedia.org/wiki/Stochastic_grammar

https://en.wikipedia.org/wiki/Probabilistic_context-free_grammar

Normal Forms

https://en.wikipedia.org/wiki/Normal_form_(abstract_rewriting)

https://en.wikipedia.org/wiki/First_normal_form

https://en.wikipedia.org/wiki/Boyce%E2%80%93Codd_normal_form

https://learn.microsoft.com/en-us/office/troubleshoot/access/database-normalization-description

https://en.wikipedia.org/wiki/Backus%E2%80%93Naur_form

https://en.wikipedia.org/wiki/Canonical_normal_form

https://en.wikipedia.org/wiki/Jordan_normal_form