3 ms·
>And then you also probably don't like being reminded that ZFC's consistency (or not) is unprovable [5]. Unprovable within ZFC. Peano arithmetic is proven cons
by scythe 15y ago
>And then you also probably don't like being reminded that ZFC's consistency (or not) is unprovable [5].
Unprovable within ZFC. Peano arithmetic is proven consistent, but it cannot prove itself consistent. This is an important distinction, cf http://bit.ly/lGtEDm http://bit.ly/lGtEDm