explicit Session.Phase indication with associated event bus;
asynchronous Session.start();
synchronous Session.stop();
added Plugin.session_manager on top of basic Session;
eliminated separate isabelle.activate action;
misc tuning;
(* Title: HOL/Library/Quotient_Syntax.thy
Author: Cezary Kaliszyk and Christian Urban
*)
header {* Pretty syntax for Quotient operations *}
theory Quotient_Syntax
imports Main
begin
notation
rel_conj (infixr "OOO" 75) and
fun_map (infixr "--->" 55) and
fun_rel (infixr "===>" 55)
end