Re: opposite vs negation

[Bob Kolker]

slifedt wrote:

> I am confused about this--
>
> What is opposite of "All"  ?   Is it "None" ? or  is it "Some" ?
> In other words, is Opposite the same as Negation ?

~(x).P(x) == Ex.~P(x)

Opposite in this context means the same as negation.

Or you can use the classical Aristotelean square of opposition.

Bob Kolker