Tractatio geometrica de quadratura circuli in decem capita distributa. Adversus errores tam veterum, quam recentiorum mechanicorum (1595)
Christmann, Jakob, 1554-1613 · Frankfort : 'Ex off. Paltheniana', for P. Kopf · leaf 90
quzdam ex hac propofitione ex(lraam, quazimmenfum vfum eius patefaciant: & vtofic dam friuolas effe rationes mechanicorum, quibus demon- flrare conantur,inter perimctrum & diametrum cit- culi exactiffimam ex principiis peometriz proportio- nem dari. Primum corollariü cít, quod cognitis duo- bus… … tecigiturhorü duo- rülaterum quadr atafimul addere,& ex aggregato ex- trahere Radice,hzc enim Radix erit quatitas hypote- nuíz. Verbi gratia, quadratü ex feptem eft 49. & qua- dratum ex z1eft 441. quz fi fimul addantur, efficiunt quadra-
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