Corollary

Part of speech: noun (n.)

1. That which is given beyond what is actually due, as a garland of flowers in addition to wages; surplus; something added or superfluous. [Obs.] Now come, my Ariel; bring a corollary, Rather than want a spirit. Shak.

2. Something which follows from the demonstration of a proposition; an additional inference or deduction from a demonstrated proposition; a consequence.