Contraction of An Ideal
If is an ideal of B, then is always an ideal of A, called the contraction of to A.
Read more about this topic: Extension And Contraction Of Ideals
Famous quotes containing the word ideal:
“Our ideal ... must be a language as clear as glass—the person looking out of the window knows there is glass there, but he is not concerned with it; what concerns him is what comes through from the other side.”
—Elizabeth Bowen (1899–1973)