Arbitrary union
Concept history
A revision trail for this concept page.
Revision 661
7/27/2026, 12:45:52 PM · Ancient Tree
Concept created
Often refers to a union which can be infinite, countable or not.
Arbitrary union
A revision trail for this concept page.
7/27/2026, 12:45:52 PM · Ancient Tree
Concept created
Often refers to a union which can be infinite, countable or not.