into form, by means of rows of dots or other signs (cf. Arist. Metaph. 1092ã₤bã₤12), or in the pattern of a tiled floor: all according to ãthe mystical way of {510} Pythagoras, and the secret magick of numbers.ã Thus for example, the odd numbers are ãgnomonic numbers,ã because
which relation we may illustrate graphically üüöñö¥öÝüö¢ö°üöÝüöçâö§ by the successive numbers of dots which keep the annexed figure a perfect squareÿ£¢7: as follows:
There are other gnomonic figures more