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So we've got a formal logical proof that if you simultaneously believe two contradictory things, you're stupid. Then someone goes on Twitter and declares "everyone on this website is stupid except for me." The beautiful irony here is that P(🍄) believes everyone else is stupid while Q(🐢) believes everyone else is stupid, which means they both believe contradictory things about who's stupid. By their own logical framework, they've just proven themselves stupid. It's like watching someone carefully construct a bear trap and then immediately step in it.
The existential quantifiers in the thought bubble are doing some heavy lifting here—basically saying "there exists someone who believes P" and "there exists someone who believes Q" while simultaneously claiming everyone who believes both is an idiot. The self-own is so elegant it could be published in a logic textbook under "How to Refute Yourself in 280 Characters."
