Relations To Other Classes
The set of recursive languages (R) is a subset of both RE and co-RE. In fact, it is the intersection of those two classes:
Read more about this topic: RE (complexity)
Famous quotes containing the words relations to, relations and/or classes:
“The interest in life does not lie in what people do, nor even in their relations to each other, but largely in the power to communicate with a third party, antagonistic, enigmatic, yet perhaps persuadable, which one may call life in general.”
—Virginia Woolf (1882–1941)
“Our relations to each other are oblique and casual.”
—Ralph Waldo Emerson (1803–1882)
“The difference between people isn’t in their class, but in themselves. Only from the middle classes one gets ideas, and from the common people—life itself, warmth. You feel their hates and loves.”
—D.H. (David Herbert)