X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Flambda-delta%2Fautomath%2Fgrundlagen_pn.aut;h=0b146205325ade13fd5fc9e3035c6129889c0360;hb=7e33e23e18dc5d008b3b3dc0052aa4d7b236415e;hp=8827c7dc3796d4348d0917957706fc37364a7af7;hpb=9b4286fdc2d88b0d8018e5718ef055804f5cf7ac;p=helm.git

diff --git a/helm/software/lambda-delta/automath/grundlagen_pn.aut b/helm/software/lambda-delta/automath/grundlagen_pn.aut
index 8827c7dc3..0b1462053 100644
--- a/helm/software/lambda-delta/automath/grundlagen_pn.aut
+++ b/helm/software/lambda-delta/automath/grundlagen_pn.aut
@@ -1,3 +1,7 @@
+# Landau's "Grundlagen der Analysis", formal specification in AUTOMATH
+# Copyright (C) 1977, L.S. van Benthem Jutting
+#               1992, revised by F. Wiedijk (http://www.cs.ru.nl/~freek/aut/)
+
 +l
 [a:PROP][b:PROP]
 imp:=[x,a]b:PROP