(* properties concerning lenv refinement for atomic arity assignment ********)
lemma lsuba_lsubc: ∀RR,RS,RP. acp RR RS RP → acr RR RS RP (λG,L,T. RP G L T) →
(* properties concerning lenv refinement for atomic arity assignment ********)
lemma lsuba_lsubc: ∀RR,RS,RP. acp RR RS RP → acr RR RS RP (λG,L,T. RP G L T) →
#RR #RS #RP #H1RP #H2RP #G #L1 #L2 #H elim H -L1 -L2 // /2 width=1/
#L1 #L2 #W #V #A #H elim (aaa_inv_cast … H) -H /3 width=4/
qed.
#RR #RS #RP #H1RP #H2RP #G #L1 #L2 #H elim H -L1 -L2 // /2 width=1/
#L1 #L2 #W #V #A #H elim (aaa_inv_cast … H) -H /3 width=4/
qed.