The great Nassim Nicholas Taleb author of Antifragile; has decided to ‘uberize’ the publishing business and predicted that the bad guys such as Elsevier, Wiley and Springer will go bust. I am sure you already have, if not; please contact him as he has already taken the steps to demolish these corrupt publishing house. https://www.facebook.com/permalink.php?story_fbid=10152817705893375&id=13012333374 ]]>

Great post on Gower’s blog on when contradiction is appropriate.

The first comment by Tao lends additional considerations to the post with a reference to non self-defeating objects!

]]>In the proof of lemma 1, the image of is indeed a subgroup of as you’ve shown in the second paragraph right after slogan 12. But I don’t think it is because “ is a homomorphism”.

]]>Zeno

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