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!(a => b) == (!b => !a), thus "If you can't teach it, you don't know something.". :-) It's obviously "If you don't know something, you can't teach it."
by 1718627440 1y ago
!(a => b) == (!b => !a), thus "If you can't teach it, you don't know something.". :-)
It's obviously "If you don't know something, you can't teach it."