e/Θ (set theory)

Information
has gloss	eng: In set theory, Θ (pronounced like the letter theta) is the least ordinal α such that there is no surjection from the reals onto α.
lexicalization	eng: th
lexicalization	eng: Θ
instance of	(noun) the number of elements in a mathematical set; denotes a quantity but not the order cardinal number, cardinal