Can you guys explain to me what is the difference between least element and minimal element? I keep struggling to understand the difference between them but till now i still cannot resolved it.(adsbygoogle = window.adsbygoogle || []).push({});

right now, i am trying to learn set theory, do you have any reference(book, link,whatever) that i can refer to while i am stuck with set theory?

i also noticed that there are a lot of proving in the book when they try to build the foundation of set theory, do you have any guidelines on how to do a proving?

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# Difference between least, minimal element

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