e/Veblen function

Information
has gloss	eng: In mathematics, the Veblen functions are a hierarchy of functions from ordinals to ordinals, introduced by Oswald Veblen in . If φ0 is any continuous strictly increasing function from ordinals to ordinals, then for any non-zero ordinal α, φα is the function enumerating the common fixed points of φβ for β<α. These functions are all continuous strictly increasing functions (i.e. normal functions) from ordinals to ordinals.
lexicalization	eng: Veblen function
instance of	(noun) the number designating place in an ordered sequence ordinal number, no., ordinal