Basic, primordial soup, initial state, starting line, building blocks,
fundamental particles, causal tokens, and so on.
An emotion is an ur-value because many values are derived from it. An
intuition is an ur-thought because all thoughts are intuitions; some are
simply more complex than others.
--
sentience@pobox.com Eliezer S. Yudkowsky
http://tezcat.com/~eliezer/singularity.html
http://tezcat.com/~eliezer/algernon.html
Disclaimer: Unless otherwise specified, I'm not telling you
everything I think I know.