On Wed, Apr 10, 2013 at 3:08 AM, Skip Cave <[email protected]> wrote: > However, APL graphically relates the boolean OR and AND (v, upside-down v), > while in J those two primitives are graphically unrelated (+. *.). Then > there are primitives whose monadic functions aren't related, but whose > dyadic functions are (< <. <:).
Note that J gives us both boolean OR and AND (+. *.) and Bayesian AND and NOT (* -.). Also note that "NOT" was not originally a part of Boolean algebra. Some works have grafted "not" into boolean algebra which vastly restricts the scope of Boole's work without providing any of the generality of Bayes. So we should expect some problems with representing "standard mathematical notation" in this context. -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
