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|
(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(*i $Id$ i*)
(*i*)
open Term
open Environ
(*i*)
(***********************************************************************)
(*s Reduction functions *)
val whd_betaiotazeta : env -> constr -> constr
val whd_betadeltaiota : env -> constr -> constr
val whd_betadeltaiota_nolet : env -> constr -> constr
val nf_betaiota : constr -> constr
(***********************************************************************)
(*s conversion functions *)
exception NotConvertible
exception NotConvertibleVect of int
type 'a conversion_function = env -> 'a -> 'a -> Univ.constraints
val conv_sort : sorts conversion_function
val conv_sort_leq : sorts conversion_function
val conv : types conversion_function
val conv_leq : types conversion_function
val conv_leq_vecti : types array conversion_function
(***********************************************************************)
(* Builds an application node, reducing beta redexes it may produce. *)
val beta_appvect : constr -> constr array -> constr
(* Pseudo-reduction rule Prod(x,A,B) a --> B[x\a] *)
val hnf_prod_applist : env -> types -> constr list -> types
(***********************************************************************)
(*s Recognizing products and arities modulo reduction *)
val dest_prod : env -> types -> Sign.rel_context * types
val dest_prod_assum : env -> types -> Sign.rel_context * types
val dest_arity : env -> types -> Sign.arity
val is_arity : env -> types -> bool
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