Of note and the condicion.
Nota de tercia specie Artis Mathematice, quam Geometriam vocant.[941]
Mathematique of his science
Hath yit the thridde intelligence
Full of wisdom and of clergie
And cleped is Geometrie,
Thurgh which a man hath thilke sleyhte
Of lengthe, of brede, of depthe, of heyhte 180
To knowe the proporcion
Be verrai calculacion