Term:(A word or expression you have seen in writing)

separateDness?

Your definition or explanation:

See separateness OR separateDness?

Example:(An example of the term in use)

Suppose f:X→Y is a morphism of finite type between locally noetherian schemes. The valuative criterion for separatedness (resp. properness) says roughly that f is a separated (resp. proper) morphism if and only if the following condition holds:

One or more places you have seen the term:(Please give URLs/links to web pages, or a full description of a print publication.)

There are many:

http://mathoverflow.net/questions/79...ecked-formally

Have you looked for this term or meaning in dictionaries, and not found it? Yes ___X_ No ___