upper hand

n : position of advantage and control [syn: {whip hand}]

upper bound

An upper bound of two elements x and y under some {relation}

<◦ is an element z such that x <◦ z and y <◦ z.

("<◦" is written in {LaTeX} as {\sqsubseteq}).

See also {least upper bound}.

(1995-02-15)