Covfefe Anon Retweeted World Chess
"One man's modus ponens is another man's modus tollens" (for those who don't remember the terms: MP: If P then Q; P therefore Q MT: If P then Q; not Q therefore not P)https://twitter.com/theworldchess/status/1315603633761923072 …
Covfefe Anon added,
9:01 AM - 12 Oct 2020
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