**Omega star** is the order type obtained by reversing omega. It is the order type of the set of negative integers, and other sets ordered like omega but with a greatest element and no least element.

74
Pages

**Omega star** is the order type obtained by reversing omega. It is the order type of the set of negative integers, and other sets ordered like omega but with a greatest element and no least element.

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