-lemma lpxs_pair_dx (h) (G): â\88\80L1,L2. â¦\83G,L1â¦\84 ⊢ ⬈*[h] L2 →
- â\88\80V1,V2. â¦\83G,L2â¦\84 ⊢ V1 ⬈*[h] V2 →
- â\88\80I. â¦\83G,L1.â\93\91{I}V1â¦\84 â\8a¢ â¬\88*[h] L2.â\93\91{I}V2.
+lemma lpxs_pair_dx (h) (G): â\88\80L1,L2. â\9dªG,L1â\9d« ⊢ ⬈*[h] L2 →
+ â\88\80V1,V2. â\9dªG,L2â\9d« ⊢ V1 ⬈*[h] V2 →
+ â\88\80I. â\9dªG,L1.â\93\91[I]V1â\9d« â\8a¢ â¬\88*[h] L2.â\93\91[I]V2.