Can I take a statement from vol a of the encyclopedia Britannia and prove something said in vol c of the same encyclopedia?
I know you asked hooah, but I would like to weigh in on this and my opinion is no. Using vol A of Britannia to prove something in vol C of the same encyclopedia is bad argumentation because you've used the same "source" to prove something the source says. What one should do is use another source, maybe an encyclopedia by another company, and compare the two to see if they corroborate with each other. That way, your argument stands on firmer ground as you have two sources to back each other up.
It's just some things you never get over. That's just the way it is. You go on through... best as you can. - Matthew Scott
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Marge, just about everything is a sin. (holds up a Bible) Y'ever sat down and read this thing? Technically we're not supposed to go to the bathroom. - Reverend Lovejoy
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You know, I used to think it was awful that life was so unfair. Then I thought, wouldn't it be much worse if life were fair, and all the terrible things that happen to us come because we actually deserve them? So, now I take great comfort in the general hostility and unfairness of the universe. - Marcus Cole