The Elements of Euclid, with Dissertations ...Clarendon Press, 1781 - Mathematics |
Common terms and phrases
ABCD alfo alſo angle ABC angle BAC angle contained angle equal apply itſelf bafe baſe BC is equal Book certainly circle ABC circumference common notion confequences conft conftruction cut in halves demonftrated deſcribed diſtance drawn equal angles equal ftraight equiangular equilateral equimultiples Euclid exceed faid fame manner fame multiple fame parallels fame ratio fame reafon fecond fegment fimilar fince firſt fome fquare ftraight line AC fuch fuppofe fuppofition given rectilineal given ſtraight line Gnomon greater hath himſelf impoffible joined lefs leſs let the ftraight line BC magnitudes moſt muſt neceffary obferve parallelogram PROP propofition proportionals purpoſe reader reaſon rectangle contained rectilineal figure remaining angle remaining fides right angles ſame ſay ſhall ſhould ſquare ſtraight line AB ſubject ſuch ſuppoſe taken theſe thoſe tiple triangle ABC underſtand uſe Wherefore becauſe