Note
Basic fractions are displayed as ½ ⅓ ¼ etc; other fractions are shown in the form a b/c, for example 3/11 or 15 8/12.
Epigraph
“ALL KNOWLEDGE FOR ALL MEN.”
Comenius.
“Books, we know,
Are a substantial world, both pure and good,
Round which, with tendrils strong as flesh and blood,
Our pastime and our happiness will grow.”
Wordsworth.