The first six books of the Elements of Euclid, in which coloured diagrams and symbols are used instead of letters .. (1847)
Euclid, Byrne, Oliver · London, W. Pickering · leaf 117
e o wore than two equal ftraight lines can be drawn to the circumference, thatpoint mujl be the centre of the circle. For, if it be fuppofed that the point |^in which more than two equal ftraightlines meet is not the centre, lbme otherpoint —- mult be; join thefe two points byand produce it both… … j and fince from a point A, which is not the centre, ftraight lines are drawn to the circumference; the greateft is ^—■•■», which paffes through the centre : and —«~— which is nearer to »«~«? r~ ——— which is more remote (B. 3. pr. 8.); but = (hyp-) which is abfurd. The fame may be demonftrated of…
Geometry
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