:: Numerals - Requirements :: by Library Committee :: :: Received February 27, 2003 :: Copyright (c) 2003-2012 Association of Mizar Users begin :: This file contains statements which are obvious for Mizar checker if :: "requirements NUMERALS" is included in the environment description :: of an article. They are published for testing purposes only. :: Users should use appropriate requirements instead of referencing :: to these theorems. :: Some of these items need also other requirements for proper work. :: Statements which cannot be expressed in Mizar language are commented out. theorem :: NUMERALS:1 {} is Element of omega proofend;