To determine if the following two statements mean the same thing, you would need to offer the quantifier sequences. Then, you could compare the sequences to determine if they are the same.

The Existential Quantifier, usually written as a back-to-front capital E indicates the existence of a thing of a certain sort satisfying certain conditions. The Universal Quantifier, usually written as an upside-down capital A, indicates that every thing of a certain sort satisfies those conditions.

It's a determiner, sometimes a quantifier.

A cardinal number, such as ten, or an ordinal number, such as first.

How do you use the WORD AIR?

you just say it