]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/ground/relocation/fr2_nat_nat.ma
update in ground static_2 basic_2 apps_2
[helm.git] / matita / matita / contribs / lambdadelta / ground / relocation / fr2_nat_nat.ma
index a40ac35c15e8e3e322cd7cafb5d0d22e7510fd3c..744becdada3f64dbfd45d87b0e602dcd1599e8d1 100644 (file)
@@ -20,7 +20,7 @@ include "ground/relocation/fr2_nat.ma".
 
 (*** at_mono *)
 theorem fr2_nat_mono (f) (l):
-        â\88\80l1. @â\9dªl, fâ\9d« â\89\98 l1 â\86\92 â\88\80l2. @â\9dªl, fâ\9d« ≘ l2 → l1 = l2.
+        â\88\80l1. @â\9d¨l, fâ\9d© â\89\98 l1 â\86\92 â\88\80l2. @â\9d¨l, fâ\9d© ≘ l2 → l1 = l2.
 #f #l #l1 #H elim H -f -l -l1
 [ #l #x #H <(fr2_nat_inv_nil … H) -x //
 | #f #d #h #l #l1 #Hld #_ #IH #x #H