Definition.com
Omnis cultura ex cultura is the idea that culture arises entirely out of itself; it is a thing sui generis and can be explained only in terms of itself; not in terms of, say, the laws of psychology or biology.
Omnis cultura ex cultura is the idea that culture arises entirely out of itself; it is a thing sui generis and can be explained only in terms of itself; not in terms of, say, the laws of psychology or biology.
Omnis cultura ex cultura is the notion that the science of culture is independent of the laws of biology and psychology.