Mazeraiʻs Criterion
I give Mazeraiʻs criterion to show if the body is the right fit for using Xenaʻs powers in a dead-zone.
Xenaʻs Criterion
I give Xenaʻs criterion to see how and when Xenaʻs powers will work.
Medicinal Standard
I give the Medicinal Standard for seeing if real drugs on the street and stores really help heal, diagnose, and prevent disease.
Pythagorean Theorem
I give the proof of the pythagorean theorem in words and formulae.