Transactions of the American Mathematical Society, Vol. 263, No. 2 (Feb., 1981), pp. 493-500 (8 pages) Let $\Delta'$ be the class of all derivatives. The main goal of this paper is the investigation ...
Inositols are ancient molecules that were probably first made by a common ancestor of Archaea and Eukarya more than 2,000 million years ago. They are used by relatively few Bacteria.The ...
This study presents two main theses: (1) that distinguishing 'primitive' from 'derivative' forms and functions can be accomplished in a linguistic description by a base containing two types of rewrite ...