The Non-Euclidean Geometry made Easy

Resource tools

File information	File size	Options
Original JPG File 741 × 992 pixels (0.74 MP) 6.3 cm × 8.4 cm @ 300 PPI	390 KB	Download
Screen 598 × 800 pixels (0.48 MP) 5.1 cm × 6.8 cm @ 300 PPI	140 KB	Download
Preview Full screen preview	140 KB	View

Manuscript Metadata

Resource ID

4112

Access

Open

Contributed by

Frederik Wellmann

date (Robin)

n.d.

type of material

A. MS.

description

Published, in part, as 8.97-99. Unpublished (pp. 3-8). Denial of either the first or second of the two "natural propositions," noted in that part of manuscript which was published, leads to a non-Euclidean geometry. Both of the corresponding kinds of non-Euclidean geometry are intelligible, and a consideration of plane geometry will suffice to show this.