Transformation of a d-dimensional projective space that maps subspaces of dimension k to subspaces of dimension d − k − 1, reversing inclusion and preserving incidence.
We mumbled reciprocities and sipped from our brimming glasses.
2
More troubling is a persistent effort to establish underlying reciprocities between the Nazis and the Jews.
3
It was meant for the race and for the far-reaching reciprocities and inexpressible necessities of the race.
4
New York life had grown too busy for anybody to pay much attention to the older reciprocities of etiquette.
5
This conversation probably lasted longer than the usual little reciprocities of the drawing-room; for it occasioned a very amusing instance of female officiousness.
6
Looking through the window, as he did when he talked to Barry Lake, or James Randolph, he saw life as a mass of unyielding reciprocities.