Summa and its diminutive summula (plural summae and summulae, respectively) are mainly used, in English and other modern languages, for texts that 'sum up' knowledge in a field, such as the compendiums of theology, philosophy and canon law which were used both as textbooks in the schools and as .
The term summa is the Latin word for sum. It is also used as the name for the ∫ symbold used to represent the integral in calculus. It was first used to represent the limiting sum (Riemann sum) that inspired the integral by Leibniz on October 29, 1675
A comprehensive summary of, or treatise on a subject, especially theology or philosophy
pl. summae) A compendium or summary. A term favored by scholastics to title their comprehensive syntheses