2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
15 ?delta:int -> ?subst:NCic.substitution ->
16 NCic.context -> NCic.term ->
20 ?subst:NCic.substitution ->
21 NCic.context -> NCic.term -> NCic.term ->
24 (* performs head beta/(delta)/cast reduction; the default is to not perform
25 delta reduction; if provided, ~upto is the maximum number of beta redexes
27 val head_beta_reduce: ?delta:int -> ?upto:int -> NCic.term -> NCic.term