Search for tag: "assumption"


The principal root of a^2 is the absolute value of a.

From  Marisol Montemayor on 06/3/2017 0 likes 0  


This video provides an introduction to subproofs: conditional proof and indirect proof. The video provides several examples of proofs using the subproof method.

From  Nathan Smith on 04/21/2015 0 likes 0