A good example of a bell curve or normal distribution is the roll of two dice. The distribution is centered around the number 7 and the probability decreases as you move away from the center. Here are the % chance of the various outcomes when you roll two dice.
main argument definition, main argument meaning | English dictionary. [. 1 chief or principal in rank, importance, size, etc. 5 a principal pipe, conduit, duct, or line in a system used to distribute water, electricity, etc.
Debate, without rebuttals, would merely be a series of speeches with no relation to each other. Like ships passing in the night, there will be no clash, no conflict and ultimately, no debate. Rebuttal, like argumentation, is one of the foundations of debate. What is rebuttal then? It is a speaker saying that an opponent's argument is not valid and showing why it is not valid. If argument is about building logic links in a case, then rebuttal is about the breaking of these links.