clarified Editor.current_command: allow outdated snapshot;
more accurate Document_View.perspective based on current_command for proper state output (see also 88c6e630c15f and ef62204a126b);
(* Title: HOL/BNF/BNF.thy
Author: Dmitriy Traytel, TU Muenchen
Author: Andrei Popescu, TU Muenchen
Author: Jasmin Blanchette, TU Muenchen
Copyright 2012
Bounded natural functors for (co)datatypes.
*)
header {* Bounded Natural Functors for (Co)datatypes *}
theory BNF
imports More_BNFs BNF_LFP BNF_GFP Coinduction
begin
hide_const (open) image2 image2p vimage2p Gr Grp collect fsts snds setl setr
convol thePull pick_middlep fstOp sndOp csquare inver
image2 relImage relInvImage prefCl PrefCl Succ Shift shift
end