general reorganization and first (unconditional) proof of lebesgue over naturals

[helm.git] / helm / software / lambda-delta / automath / grundlagen_pn.aut

diff --git a/helm/software/lambda-delta/automath/grundlagen_pn.aut b/helm/software/lambda-delta/automath/grundlagen_pn.aut
index 8827c7dc3796d4348d0917957706fc37364a7af7..0b146205325ade13fd5fc9e3035c6129889c0360 100644 (file)
--- 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