What Does Subalternate Mean?

Subalternation is an immediate inference which is only made between A and I categorical propositions and between E and O categorical propositions of the traditional square of opposition and the original square of opposition. If the A proposition is true we may immediately infer that I is true.

What is the Subalternate of the proposition?

Designating both of a pair of propositions consisting of a universal proposition and a particular proposition having the same subject and predicate and being of the same quality (i.e. affirmative or negative); designating the particular proposition of such a pair.

What does illumination mean in reading?

Illumination is light. Kids up past their bedtimes have been known to read entire books under their covers using only the illumination from a flashlight. Use the noun illumination to talk about light, like the illumination of the moon on the surface of a lake.