1 (* Copyright (C) 2000, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
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15 * GNU General Public License for more details.
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23 * http://cs.unibo.it/helm/.
26 exception WrongUriToInductiveDefinition
27 exception ReferenceToConstant
28 exception ReferenceToVariable
29 exception ReferenceToCurrentProof
30 exception ReferenceToInductiveDefinition
33 ?delta:int -> ?subst:NCic.substitution ->
34 NCic.context -> NCic.term ->
38 ?subst:NCic.substitution -> ?metasenv:NCic.metasenv ->
39 NCic.context -> NCic.term -> NCic.term ->
42 (* performs head beta/(delta)/cast reduction; the default is to not perform
43 delta reduction; if provided, ~upto is the maximum number of beta redexes
45 val head_beta_reduce: ?delta:int -> ?upto:int -> NCic.term -> NCic.term