A short Theorem used in proving a larger Theorem. Related concepts are the Axiom, Porism,
Postulate, Principle, and Theorem.

*See also *Abel's Lemma, Archimedes' Lemma, Barnes' Lemma, Blichfeldt's Lemma,
Borel-Cantelli Lemma, Burnside's Lemma, Danielson-Lanczos Lemma, Dehn's Lemma,
Dilworth's Lemma, Dirichlet's Lemma, Division Lemma, Farkas's Lemma, Fatou's Lemma,
Fundamental Lemma of Calculus of Variations, Gauss's Lemma, Hensel's Lemma, Itô's
Lemma, Jordan's Lemma, Lagrange's Lemma, Neyman-Pearson Lemma, Poincaré's
Holomorphic Lemma, Poincaré's Lemma, Pólya-Burnside
Lemma, Riemann-Lebesgue Lemma, Schur's Lemma, Schur's Representation Lemma,
Schwarz-Pick Lemma, Spijker's Lemma, Zorn's Lemma

© 1996-9 *Eric W. Weisstein *

1999-05-26