Logic From The Organon of Aristotle to Gödel and Beyond

I didn't know Kurt Gödel was Czech.

My comment:

24:18 This is a very interesting way of putting the liar paradox. I've never heard that before.

You can answer that by saying that that there must be more than one sentence on that piece of paper, ... Then you can perhaps introduce a variable X and say that all the sentences in the set X of sentences on this page are false ...

25:27 Putnam's informal characterization of Tarski's semantic notion of truth is also interesting.

Right now, if you asked me which nation in the 20th Century produced the greatest philosophers, I'd say it was America! [I wrote that before I saw the final quote of Lewis Carroll! 😂]

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