:PROPERTIES:
:ID:       ed4c372b-0314-4b6e-9119-742f69b5e434
:END:
#+title: afp_lec_5
#+filetags: :uni:notes:

* 
the first half of the lecture we went through the practice test solutions.
for the last question we got a hint, namely to redefine the leaf and node constructors of the Rose Trees.