(April 6, 2019 at 4:33 pm)Smaug Wrote: However, it's still unclear for me what is the principal difference between potential and actual infinity other than latter being, to put it simple, an 'end cap' of a set.
An actual infinity means a set (say, the natural numbers) has a cardinality that is infinite, as opposed to a "potential infinite", which is always finite, even given the fact such "grows" forever.