I never meant to imply that ro should be restricted to integers/countables. Upon a little reflection, it seems that the inner quantifier of a substance should always be 1, referring to all the amount of that substance in existence.
1 = pa or piro
-- lojbab lojbab@lojban.org Bob LeChevalier, President, The Logical Language Group, Inc. 2904 Beau Lane, Fairfax VA 22031-1303 USA 703-385-0273 Artificial language Loglan/Lojban: http://www.lojban.org