From Figure a. it is apparent that the distance from one focus, to a point in the orbit, to the other focus is a constant. From Figure b. it appears that areas encompassed between two points in an ...

Archive for History of Exact Sciences, Vol. 74, No. 5 (September 2020), pp. 469-521 (53 pages) Through an in-depth analysis of the notes that Leibniz made while reading Pascal's manuscript treatise on ...

MR. TAYLOR's present work is by no means a second edition of his “Geometrical Conies”(1863). His object in this volume is a highly laudable one; from more than one quarter has recently come the ...

Vol. 44, No. 5/6, SPECIAL ISSUE: Mathematics in Kant's Critical Philosophy (December 2014), pp. 719-758 (40 pages) This paper tries to make sense of Kant's scattered remarks about conic sections to ...