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Hello, Dalek1099. You have new messages at Jasper Deng's talk page.
Message added 06:42, 7 July 2017 (UTC). You can remove this notice at any time by removing the {{Talkback}} or {{Tb}} template.Reply

I do not believe you possess sufficient knowledge of real analysis to consider the question of whether the "proofs" are rigorous or not. Jasper Deng (talk) 06:42, 7 July 2017 (UTC)Reply