“Some S are P” is “particular affirmative”. Notice the “x” because it’s vague in there. The “mixing zone” I was working with a few months ago is _also_ this. The vestibule. The airlock in a space station. There is a space where _some_ of one and _some_ of another are together – a “both and” but not entirely.

The “mixing zone” I was working with a few months ago is _also_ this. The vestibule. The airlock in a space station. There is a space where _some_ of one and _some_ of another are together – a “both and” but not entirely.