0ffh wrote: > James Dennett wrote: > >> BCS wrote: >> >>> [...] >> >> [...] >> (On the other hand, yours is idempotent, whereas Walter's >> depends on knowing that c started as upper case.) > > > Wow, idempotent! > I last read that word studying fuzzy logic! ;-))) Yes, a fancy word, indeed. OTOH, it's as important as "equivalence" and "implies".