diff --git a/04_ndl_and_semantics/src/summary.txt b/04_ndl_and_semantics/src/summary.txt
index 19914e0..ec7edc3 100644
--- a/04_ndl_and_semantics/src/summary.txt
+++ b/04_ndl_and_semantics/src/summary.txt
@@ -44,3 +44,21 @@
 * most philosophical views are nonsensical
 * Link
   * http://www.harryhiker.com/ap/witt--00.htm
+
+
+# Paper
+
+* apply NDL on child directed speech to build memory and semantic vector space
+* 2-layer discrimation netword
+  * discriminating lexomes on basis of auditory input
+  * discriminating lexomes on basis of lexome co-occurance
+* neurophysiological plausible: local error-driven updating
+* supervised learning
+* Is Paper consistent with later Wittgenstein(Video)?
+  * PRO
+    * In Wittgenstein's Investigations he says:
+      *It ain’t what you say, it’s the way that you say it, and the context in which you say it.
+      Words are how you use them.*
+      This fit's to the two different layer
+    
+  * CONTRA