"This note was a promise that all men, yes, black men as well as white men, would be guaranteed the "unalienable Rights" of "Life, Liberty and the

"This note was a promise that all men, yes, black men as well as white men, would be guaranteed the "unalienable Rights" of "Life, Liberty and the pursuit of Happiness."

Are the premises all true?

Are there counterexamples and how difficult is it to imagine them? 

Are the premises relevant to the truth of the conclusion?

Does the truth of any premise depend on the truth of the conclusion?