src/HOL/Library/Quotient_Syntax.thy

tuned proof

(*  Title:      HOL/Library/Quotient_Syntax.thy
    Author:     Cezary Kaliszyk and Christian Urban
*)

section \<open>Pretty syntax for Quotient operations\<close>

theory Quotient_Syntax
imports Main
begin

notation
  rel_conj (infixr \<open>OOO\<close> 75) and
  map_fun (infixr \<open>--->\<close> 55) and
  rel_fun (infixr \<open>===>\<close> 55)

end