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.
So, there you have it - the four parts of an argument: claims, counterclaims, reasons, and evidence. A claim is the main argument. A counterclaim is the opposite of the argument, or the opposing argument. A reason tells why the claim is made and is supported by the evidence. Evidence is the facts or research to support your claim.