>>13508007Because you imagine that a set is an actual meaningful thing, an object you can manipulate, which is naive. The only non-naive way of talking "about sets" is through manipulation of meaningless formulas.
>>13508046Logicism is cringe, being a cuckold is cringe, his introduction to philosophy is cringe, his Principia Mathematica was cringe and a failure.
>>13510420It's self-contradicting. See the set of all sets that don't contain themselves. ZFC is also probably contradictory, but less obviously so.
