New function complete_split_rule for complete splitting of partially
splitted rules (as generated by inductive definition package).
(*  Title:      HOL/Relation_Power.thy
    ID:         $Id$
    Author:     Tobias Nipkow
    Copyright   1996  TU Muenchen
R^n = R O ... O R, the n-fold composition of R
*)
Relation_Power = Nat +
instance
  set :: (term) {power}   (* only ('a * 'a) set should be in power! *)
primrec (relpow)
  "R^0 = Id"
  "R^(Suc n) = R O (R^n)"
end