[TChris]

You would have known what informal logic is. It's formal logic when (1) the conclusion follows with certainty and it (2) adds no new information. Everything else is informal logic.

Well, of course! While you're making up the rest of it, why not invent your own definition of the word "logic?" That makes the whole discussion much simpler, no?

[LtdGovt]

Well, of course! While you're making up the rest of it, why not invent your own definition of the word "logic?" That makes the whole discussion much simpler, no?

Now you're just embarrassing yourself, at least, if there are some people here who are familiar with the theories. I gave you a chance to correct your 'formal logic'-illogic divide, but apparantly, you don't have the slightest idea.