We found 4 dictionaries that define the word formal logics:

General (3 matching dictionaries)

1. formal logics: Merriam-Webster
2. formal logics: Collins English Dictionary
3. formal logics: Wiktionary

Science (1 matching dictionary)

4. formal logics, formal logics: PlanetMath Encyclopedia

(Note: See formal_logic as well.)

Definitions from Wiktionary (formal logic) ▸ noun:  (logic) Mathematical logic. ▸ noun:  (logic) A particular logical calculus. ▸ Also see formal_logic ▸ Words similar to formal logics ▸ Usage examples for formal logics ▸ Idioms related to formal logics ▸ Wikipedia articles (New!) ▸ Words that often appear near formal logics ▸ Rhymes of formal logics ▸ Invented words related to formal logics