2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department of the University of Bologna, Italy.
7 ||A|| This file is distributed under the terms of the
8 \ / GNU General Public License Version 2
10 V_______________________________________________________________ *)
12 (* Core notation *******************************************************)
14 notation "hvbox(\langle term 19 a, break term 19 b\rangle)"
15 with precedence 90 for @{ 'pair $a $b}.