<span style="color:#ff0000;">1) X is greater than Y or Z.</span><br/><span style="color:#ff0000;">2) X is greater than either Y or Z.</span><br/><span style="color:#ff0000;">3) X is either greater than Y or Z.</span><br/><br/>Assuming X, Y and Z are figures, in which case:<br/><br/>a. X is greater than both of the two other figures.<br/>and in which case:<br/>b. X is greater than one of them.<br/><br/>Gratefully,<br/>Navi.