more crossrefs

README.md

@@ -38,7 +38,7 @@ their discussion areas.
 
 * Representation of mathematical knowledge via Theory Graphs: #2 #3 #4 #11 #12 #16 #20 #22 #24 
 * Representation of logical systems and their translations via Theory Graphs: #5 #8
-* Serious Games for Maths (based on logic and theory graphs): #1 #3 (but also see the
+* Serious Games for Maths (based on logic and theory graphs): #1 #3 #32 #33 #34 #35 (but also see the
   [project issues](https://github.com/UFrameIT/UFrameIT/issues))
 * The  [MathHub System](http://mathhub.info): #15 #17 #18 #21 #28 (but also see the
   project issues: [Frontend](https://github.com/MathHubInfo/Frontend/issues) [Backend](https://github.com/MathHubInfo/MathHub/issues))
@@ -51,6 +51,7 @@ their discussion areas.
   algebra, math data bases, theorem provers (in the
   [OpenDreamKit](http://opendreamkit.org) EU project) #7
 * Cognitive engineering (semantische information/help systems for CAD/CAM systems).
-* Corpus Linguistics for Mathematics: #2 #6 #14
+* Corpus Linguistics for Mathematics: #2 #6 #14 #31
 * UIs and Interaction with all of this: #8 #13
-* Application of machine learning techniques to generating semantic data. #14
+* Application of machine learning techniques to generating semantic data: #14
+* Legal reasoning and argumentation: #23 #29 #30