Global Instance lequiv_lentails : subrelation lequiv lentails.Global Instance lequiv_flip_lentails: subrelation lequiv (flip lentails).

(* Specifications: *)
Lemma lforwardL {A} `{IL: ILogic A} {Q R}: Q |-- R -> forall P G, P |-- Q -> (P |-- R -> G) -> G.