Literally means "it does not follow" in latin.

Read the excerpt from "amigo brothers.” felix and antonio turned and faced each other squarely in a fighting pose. felix wasted no time. he came in fast, head low, half hunched toward his right shoulder, and lashed out with a straight left. he missed a right cross as antonio slipped the punch and crossed and countered with one-two-three lefts that snapped felix’s head back, sending a mild shock coursing through him. if felix had any small doubt about their friendship affecting their fight, it was being neatly dispelled.

According to number which ending does not belong? am um o is

What is meant by saying that a hypothesis must be testable?