suppose all humans r mortal socrates is a human therefore,socrates is a mortal .........(conclusion) assuming the premises r true. what exactly is the statement "the premises r true" supposed to mean? or what is the meaning of truth? how does the conclusion follow from the premises,how can we be definitly sure. i suppose its about how mind places things in categories ,but this is too vague. i need something definite all help will be appreciated.