Hi all, first math post here. I was just wondering- after having read from quite a few textbooks that intuitively, a set is a collection of objects- if there's a rigorous definition of the concept of set. It's just out of curiosity- I mean, is a rigorous definition even necessary? I guess I'm not completely clear on the intuitive definition, which is why I'm looking for a more rigorous one. What exactly is meant by objects? Is(adsbygoogle = window.adsbygoogle || []).push({}); anythingan object?

If anyone could give me a more precise definition of set, that would be great.

Thanks

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# Rigorous definition of set?

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