Definition of dictum de omni et nullo in English:

dictum de omni et nullo


Philosophy Logic
  • The principle that whatever is affirmed or denied of an entire class or kind may be affirmed or denied of any part of it.


Mid 17th century; earliest use found in George Havers (fl. 1665). From post-classical Latin dictum de omni et nullo, i.e. ‘dictum concerning every and none’ from classical Latin dictum + de + omni, ablative neuter of omnis all, every + et and + nūllō, ablative neuter of nūllus no.


dictum de omni et nullo

/ˈdɪktəm deɪ ˈɒmni ɛt ˈnʊləʊ/