Logic
In Our Time
00:00
The Chasm Between Formal and Informal Logic
With a formal argument, the idea is that you can pin it down pretty precisely. But are informal and logical? They don't quite seem to rest together as two words. So we've got a very clear understanding of what formal logic is. And we simply take all those various things that can go wrong. It's a bit of a rag bag, but put them under the heading of informal logic. In the introduction I talked about that Aristotle seemed to be talking about logic in Babylonian times - from what you know now. He began to write about it and give it space, and it carried through for hundreds of years.
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