Picard's big theorem

Picard's big theorem

[pi′kärz ′big ¦thir·əm]
(mathematics)
The image of every neighborhood of an essential singularity of a complex function is dense in the complex plane. Also known as Picard's second theorem.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.