Philebus
   Part
 1 Text |          rulers and measurers of angles; for these I affirm to be


The Republic
   Book
 2 6    |      figures, and three kinds of angles, and the like, in their


Timaeus
   Part
 3 Intro|      sides, the sharpness of the angles, the smallness of the particles,
 4 Intro|           Each of the four solid angles in this figure is a little
 5 Intro|       than the largest of obtuse angles. The second solid is composed
 6 Intro|          angle out of four plane angles—six of these angles form
 7 Intro|        plane angles—six of these angles form a regular octahedron.
 8 Text |          one right and two acute angles; one of them has at either
 9 Text |         out of every three plane angles one solid angle, being that
10 Text |         the most obtuse of plane angles; and out of the combination
11 Text |        combination of these four angles arises the first solid form
12 Text |          angle out of four plane angles, and out of six such angles
13 Text |      angles, and out of six such angles the second body is completed.
14 Text |   elements, forming twelve solid angles, each of them included in
15 Text |   triangles, joining their right angles in a centre, and forming
16 Text |          united form eight solid angles, each of which is made by
17 Text | combination of three plane right angles; the figure of the body
18 Text |          by the sharpness of its angles and sides, it coalesces
19 Text |         and the sharpness of the angles, and the smallness of the