(** * Intuitionistic FOL *)
(** ** Reductions *)
Section kvalidity.
Variable R : BSRS.
Context {b : logic}.
Set Printing Implicit.

(* Specifications: *)
Theorem BPCP_kprv :
BPCP R <-> nil ⊢I (F R).
Theorem BPCP_kvalid :
BPCP R <-> kvalid (F R).