* http://helm.cs.unibo.it/
*)
-type substitution
-
-type rule = SuperpositionRight | SuperpositionLeft |Demodulation
+type rule = SuperpositionRight | SuperpositionLeft | Demodulation
type equality
-and proof = new_proof * old_proof
-
-and new_proof =
+and proof =
Exact of Cic.term
- | Step of substitution * (rule * int * (Utils.pos * int) * Cic.term)
-
-and old_proof =
- NoProof
- | BasicProof of substitution * Cic.term
- | ProofBlock of substitution * UriManager.uri * (Cic.name * Cic.term) *
- Cic.term * (Utils.pos * equality) * old_proof
- | ProofGoalBlock of old_proof * old_proof
- | ProofSymBlock of Cic.term list * old_proof
- | SubProof of Cic.term * int * old_proof
+ | Step of Subst.substitution * (rule * int * (Utils.pos * int) * Cic.term)
-and goal_proof = (Utils.pos * int * substitution * Cic.term) list
+and goal_proof = (Utils.pos * int * Subst.substitution * Cic.term) list
-val pp_proof: (Cic.name option) list -> goal_proof -> string
-
-val empty_subst : substitution
-val apply_subst : substitution -> Cic.term -> Cic.term
-val apply_subst_metasenv : substitution -> Cic.metasenv -> Cic.metasenv
-val ppsubst : substitution -> string
-val buildsubst :
- int -> Cic.context -> Cic.term -> Cic.term -> substitution ->
- substitution
-val flatten_subst : substitution -> substitution
-val lookup_subst : Cic.term -> substitution -> Cic.term
-val filter : substitution -> Cic.metasenv -> Cic.metasenv
-val is_in_subst : int -> substitution -> bool
-val merge_subst_if_possible:
- substitution -> substitution ->
- substitution option
+val pp_proof: (Cic.name option) list -> goal_proof -> proof -> string
val reset : unit -> unit
int * proof *
(Cic.term * Cic.term * Cic.term * Utils.comparison) *
Cic.metasenv * int
+val depend : equality -> int -> bool
val compare : equality -> equality -> int
val string_of_equality : ?env:Utils.environment -> equality -> string
-val string_of_proof_old : ?names:(Cic.name option)list -> old_proof -> string
-val string_of_proof_new :
- ?names:(Cic.name option)list -> new_proof -> goal_proof -> string
-val build_proof_term_new: new_proof -> Cic.term
-val build_proof_term_old: ?noproof:Cic.term -> old_proof -> Cic.term
-val build_goal_proof: goal_proof -> Cic.term -> Cic.term
+val string_of_proof :
+ ?names:(Cic.name option)list -> proof -> goal_proof -> string
+val build_proof_term:
+ proof -> Cic.term
+(* given a proof and a list of meta indexes we are interested in the
+ * instantiation gives back the cic proof and the list of instantiations *)
+(* build_goal_proof [goal_proof] [initial_proof] [ty]
+ * [ty] is the type of the goal *)
+val build_goal_proof:
+ goal_proof -> Cic.term -> Cic.term-> int list -> Cic.term * Cic.term list
val refl_proof: Cic.term -> Cic.term -> Cic.term
(** ensures that metavariables in equality are unique *)
val fix_metas: int -> equality -> int * equality
val is_weak_identity: equality -> bool
val is_identity: Utils.environment -> equality -> bool
-