(* Properties on degree assignment ******************************************)
lemma lsubd_da_trans: ∀h,g,G,L2,T,l. ⦃G, L2⦄ ⊢ T ▪[h, g] l →
(* Properties on degree assignment ******************************************)
lemma lsubd_da_trans: ∀h,g,G,L2,T,l. ⦃G, L2⦄ ⊢ T ▪[h, g] l →
- â\88\80L1. G â\8a¢ L1 â\96ªâ«\83[h, g] L2 → ⦃G, L1⦄ ⊢ T ▪[h, g] l.
+ â\88\80L1. G â\8a¢ L1 â«\83â\96ª[h, g] L2 → ⦃G, L1⦄ ⊢ T ▪[h, g] l.
qed-.
lemma lsubd_da_conf: ∀h,g,G,L1,T,l. ⦃G, L1⦄ ⊢ T ▪[h, g] l →
qed-.
lemma lsubd_da_conf: ∀h,g,G,L1,T,l. ⦃G, L1⦄ ⊢ T ▪[h, g] l →
- â\88\80L2. G â\8a¢ L1 â\96ªâ«\83[h, g] L2 → ⦃G, L2⦄ ⊢ T ▪[h, g] l.
+ â\88\80L2. G â\8a¢ L1 â«\83â\96ª[h, g] L2 → ⦃G, L2⦄ ⊢ T ▪[h, g] l.