The first inaccessible cardinal is the smallest cardinal that is both regular and a limit cardinal, excluding zero and aleph null. This means that it has a cofinality equal to itself, and is not the successor to any other cardinal.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.