]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprs_drops.ma
update in static_2
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_computation / cprs_drops.ma
index bd1afeec3492043b8bf47e684b8862d7013e525e..bbc0b19a5c53644ec28643e75c0bb5919773a3ed 100644 (file)
@@ -22,8 +22,8 @@ include "basic_2/rt_computation/cpms_drops.ma".
 (* Basic_2A1: was: cprs_inv_lref1 *)
 lemma cprs_inv_lref1_drops (h) (G): ∀L,T2,i. ⦃G,L⦄ ⊢ #i ➡*[h] T2 →
                                     ∨∨ T2 = #i
-                                     | â\88\83â\88\83K,V1,T1. â¬\87*[i] L ≘ K.ⓓV1 & ⦃G,K⦄ ⊢ V1 ➡*[h] T1 &
-                                                  â¬\86*[↑i] T1 ≘ T2.
+                                     | â\88\83â\88\83K,V1,T1. â\87©*[i] L ≘ K.ⓓV1 & ⦃G,K⦄ ⊢ V1 ➡*[h] T1 &
+                                                  â\87§*[↑i] T1 ≘ T2.
 #h #G #L #T2 #i #H elim (cpms_inv_lref1_drops … H) -H *
 [ /2 width=1 by or_introl/
 | /3 width=6 by ex3_3_intro, or_intror/