]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/static_2/static/req_drops.ma
update in ground_2, static_2, basic_2, apps_2, alpha_1
[helm.git] / matita / matita / contribs / lambdadelta / static_2 / static / req_drops.ma
index 9acbbb933790d2a622958be7f9f9ecceca63bc69..fa8ea6d8441c5c048f88ed74cb0ba0af238f50f7 100644 (file)
@@ -20,7 +20,7 @@ include "static_2/static/req.ma".
 (* Note: req_inv_lifts_dx missing in basic_2A1 *)
 
 (* Basic_2A1: uses: lleq_inv_lift_le lleq_inv_lift_be lleq_inv_lift_ge *)
-lemma req_inv_lifts_bi: â\88\80L1,L2,U. L1 â\89¡[U] L2 â\86\92 â\88\80b,f. ð\9d\90\94â¦\83fâ¦\84 →
+lemma req_inv_lifts_bi: â\88\80L1,L2,U. L1 â\89¡[U] L2 â\86\92 â\88\80b,f. ð\9d\90\94â\9dªfâ\9d« →
                         ∀K1,K2. ⇩*[b,f] L1 ≘ K1 → ⇩*[b,f] L2 ≘ K2 →
                         ∀T. ⇧*[f] T ≘ U → K1 ≡[T] K2.
 /2 width=10 by rex_inv_lifts_bi/ qed-.