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(***********************************************************************
v * The Coq Proof Assistant / The Coq Development Team
<O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud
\VV/ *************************************************************
// * This file is distributed under the terms of the
* GNU Lesser General Public License Version 2.1
***********************************************************************)
open Term
open Environ
open Closure
(***********************************************************************
s Reduction functions *)
val whd_betaiotazeta : constr -> constr
val whd_betadeltaiota : env -> constr -> constr
val whd_betadeltaiota_nolet : env -> constr -> constr
val whd_betaiota : 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
type 'a trans_conversion_function = Names.transparent_state -> env -> 'a -> 'a -> Univ.constraints
type conv_pb = CONV | CUMUL
val sort_cmp :
conv_pb -> sorts -> sorts -> Univ.constraints -> Univ.constraints
val conv_sort : sorts conversion_function
val conv_sort_leq : sorts conversion_function
val trans_conv_cmp : conv_pb -> constr trans_conversion_function
val trans_conv :
?evars:(existential->constr option) -> constr trans_conversion_function
val trans_conv_leq :
?evars:(existential->constr option) -> types trans_conversion_function
val conv_cmp : conv_pb -> constr conversion_function
val conv :
?evars:(existential->constr option) -> constr conversion_function
val conv_leq :
?evars:(existential->constr option) -> types conversion_function
val conv_leq_vecti :
?evars:(existential->constr option) -> types array conversion_function
(** option for conversion *)
val set_vm_conv : (conv_pb -> types conversion_function) -> unit
val vm_conv : conv_pb -> types conversion_function
val set_default_conv : (conv_pb -> types conversion_function) -> unit
val default_conv : conv_pb -> types conversion_function
val default_conv_leq : types conversion_function
(************************************************************************)
(** Builds an application node, reducing beta redexes it may produce. *)
val beta_appvect : constr -> constr array -> constr
(** Builds an application node, reducing the [n] first beta-zeta redexes. *)
val betazeta_appvect : int -> 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 -> rel_context * types
val dest_prod_assum : env -> types -> rel_context * types
val dest_arity : env -> types -> arity
val is_arity : env -> types -> bool
|
