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It's actually the strongest form of logical reasoning, a formally valid argument. This argument is true no matter what you substitute for A and B: * You said X

It's actually the strongest form of logical reasoning, a formally valid argument. This argument is true no matter what you substitute for A and B: * You said X did A only because of situation B. * But X does A even in situation not-B. * Therefore, situation B is not a necessary condition to cause A. The only way to rescue "mask shortage" as causing the WHO's advice is if you can show that whatever caused the advice last time was missing this time, so the WHO was primed to reverse the advice until "mask shortage" brought it back to do the same advice again.

Karrot_Kream 7y ago
> It's actually the strongest form of logical reasoning, a formally valid argument Garbage In, Garbage Out. You are making several assumptions in order to apply this "logical" (which logic? This isn't FOL, since FOL has no concept of time, so I'm guessing you're invoking some Temporal Logic) argument, you need to assume that the CDC is a static, homogeneous organization that, for the purposes of this statement, continues to be a valid X between the past and the present. This seems naive to me; the CDC has changed in funding, priorities, membership, and leadership over time, and it's unclear to me how you can use past behavior as an indicator of future communication.