*91. ON POWERS OF A RELATION.
Project Gutenberg EPUB3 edition
Whitehead, Alfred North and Russell, Bertrand
*91·72.
Dem.
*91·721.
*91·73.
Dem.
*91·731.
By means of *91·73 or *91·731, the powers of can often be arranged in a series, the rule of arrangement being that comes earlier than if , and later in the converse case. But we shall only get an open series from this arrangement if ; otherwise the powers from a certain point onwards form a cyclic series.
*91·732.
Dem.
*91·74.
*91·75.
Dem.