Madras Math Kernel

Set Language: Union of universal set and null set is

1 year ago | [YT] | 4

@ProactiveYellow

There is no universal set, as it would violate the axiom of regularity, so the union of the universal set and the null set is undefined. The union of a non-empty set with the empty set is that non-empty set, in other words, for all sets A, A∪∅=A

6 months ago | 1