This you may perceaue by the last example. For that that was added there, is subtracted heere. and so the one doothe approue the other.
[ The fourth common sentence.]
If you abate equalle partes from vnequal thinges, the remainers shall be vnequall.
As bicause that a hundreth and eight and forty be vnequal if I take tenne from them both, there will remaine nynetye and eight and thirty, which are also vnequall. and likewise in quantities it is to be iudged.
[ The fifte common sentence.]
When euen portions are added to vnequalle thinges, those that amounte shalbe vnequall.
So if you adde twenty to fifty, and lyke ways to nynty, you shall make seuenty and a hundred and ten whiche are no lesse vnequall, than were fifty and nynty.