2 ms·
Another interesting fact about fields is that a commutative ring is a field if and only if every ideal is a prime ideal. (Obviously, every ideal of a field is a
by vouaobrasil 1y ago
Another interesting fact about fields is that a commutative ring is a field if and only if every ideal is a prime ideal. (Obviously, every ideal of a field is a prime ideal. The converse is more interesting...)
- shiandow 1y agoThis is one of those cases where the algebraic geometry perspective is actually helpful (without too much trouble). If the only subspaces are single points then the space is itself a point.