Rurſus à puncto w excitetur perpendicularis lineæ a b, ſitque
w n: & ſic parallelogrammum erit w n z q ex def. parallelog.
w n: & ſic parallelogrammum erit w n z q ex def. parallelog.
Sicque b motum ad w tantum confecit ſpatij ſecundum natu
ram, quam x motum ad q. Spatia enim cum metiatur perpendicu
laris, vtpote optima menſura, quia minima, & ſola regularis & nota.
Sint autem w n, q z perpendiculares ex fab. & æquales, quia late
ra oppoſita in parallelogrammo w n z q prop. 34. lib. 1. Erant vtro
bique ſpatia b w & x q æqualia.
ram, quam x motum ad q. Spatia enim cum metiatur perpendicu
laris, vtpote optima menſura, quia minima, & ſola regularis & nota.
Sint autem w n, q z perpendiculares ex fab. & æquales, quia late
ra oppoſita in parallelogrammo w n z q prop. 34. lib. 1. Erant vtro
bique ſpatia b w & x q æqualia.