Planum est quod in duas partis solum lineas habet, qua latum est et qua longum; qualia sunt triquetra et quadrata, quae in area fiunt, sine altitudine. —Noctes AtticaeA. Gellii[6][7]
saec. XIX.
Similiter et si cui pereat frumentum in area: non huius gratia pluit, ut periret, sed hoc accidit. —Aristotelis PhysicaBussemakeri[8][7]
Fontes
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