Added the CPS translation experiments. CPS1 comes with all the proofs, CPS2,3 just have the function and need eqvt_rhs to finish the obligations.
(*  Title:      Quotient_Syntax.thy
    Author:     Cezary Kaliszyk and Christian Urban
*)
header {* Pretty syntax for Quotient operations *}
(*<*)
theory Quotient_Syntax
imports Quotient
begin
notation
  rel_conj (infixr "OOO" 75) and
  fun_map (infixr "--->" 55) and
  fun_rel (infixr "===>" 55)
end
(*>*)