E3P5
Proposition — Part III
Latin
Res eatenus contrariæ sunt naturæ hoc est eatenus in eodem subjecto esse nequeunt quatenus una alteram potest destruere.
English (Elwes 1883)
Things are naturally contrary, that is, cannot exist in the same object, in so far as one is capable of destroying the other.
Modern English
Things are of contrary natures, that is, cannot exist in the same subject, just insofar as one can destroy the other.