A Platonistic set theory with a universal set, CUSɩ, in the spirit of Alonzo Church's "Set Theory with a Universal Set," is presented; this theory uses a different sequence of restricted equivalence ...

A school district board near Dallas, Texas, has passed a set of policies restricting how race and gender are addressed, including allowing teachers call students by pronouns that do not match their ...

This is a preview. Log in through your library . Abstract The naive set theory problem is to begin with a full comprehension axiom, and to find a logic strong enough to prove theorems, but weak enough ...