* Added annihilation axioms ("x * 0 = 0") to axclass semiring_0.
Richer structures do not inherit from semiring_0 anymore, because
anihilation is a theorem there, not an axiom.
* Generalized axclass "recpower" to arbitrary monoid, not just
commutative semirings.
(* Title: HOL/Real/ROOT.ML
ID: $Id$
Author: Lawrence C Paulson, Cambridge University Computer Laboratory
Copyright 1998 University of Cambridge
Construction of the Reals using Dedekind Cuts
by Jacques Fleuriot
*)
time_use_thy "Float";