∅ = { x | ¬ (x = x)}: The empty set equals the set of all x, such that, it is not the case that x equals x.
Ever been on a bus with a passenger blabbing on and on about just a bunch of nothing? I call those people bags-of-wind. In other words, there's nothing but air in there. Which is a lot like the empty set just without the wind. As for myself, other passengers should call me a Platonist.
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