1. S> One inStance of Some mathematical object contained with in another inStance, e.g. a group which iS a Subgroup. 2. (domain theory) A complete partial order F in [X -> Y] iS an embedding if (1) For all x1, x2 in X, x1 <= x2 <=> F x1 <= F x2 and (2) For all y in Y, x | F x <= y iSdirected. ("<=" iS written in LaTeX aSSqSubSeteq). (1995-03-27)
