Set Bullet Behavior "Strict Subproofs".

Lemma resource_decay_LK_inv {b phi phi'} :
resource_decay b phi phi' ->
forall { loc rsh sh n i pp'},
phi' @ loc = YES rsh sh (LK n i) pp' ->
exists pp,
pp' = preds_fmap (approx (level phi')) (approx (level phi')) pp /\
phi @ loc = YES rsh sh (LK n i) pp.