The small Veblen ordinal or or is the limit of ordinals that can be described using a version of Veblen functions with finitely many arguments. It is the ordinal that measures the strength of Kruskal's theorem. It is also the ordinal type of a certain ordering of rooted trees (Jervell 2005).
Famous quotes containing the word small:
“Hail ye small sweet courtesies of life, for smooth do ye make the road of it! like grace and beauty which beget inclinations to love at first sight; ‘tis ye who open this door and let the stranger in.”
—Laurence Sterne (1713–1768)