West: Of our company's three quality control inspectors, Haynes is clearly the worst. Of the appliances that were ret...

Chelsea on August 27, 2019

C vs E

Could you please explain the difference between C and E?


Irina on August 27, 2019


(C) is about disputing the accuracy of one of the explicit premises, whereas (E) is about rejecting one of the implicit assumptions. The argument presumes that because half of the returned items were inspected by Haynes, it must be due to the quality of his work. Young never disputes the fact that half of the returned appliances were inspected by Hayes, but questions if we can assume that the number of returns is truly due to his skill or because he inspects more than others.

Does this make sense?

Let me know if you have any further questions.

Chelsea on August 29, 2019

It makes sense to me now. Thank you for your reply

Ravi on August 29, 2019

@chelseaborg, let us know if you have any other questions!

Nathaniel on October 17, 2021

so a presupposition is just a premise that isn't explicitly mentioned and is thought to be assumed?