| | `--> 3c
  | | |--> 2. c
  | | |--> 2. d
  | | |--> 2. e
  | | |--> 3. d
  | | `--> 3. e
  | | | ---> 1.D
  | | | +--> 3.AB
  | | | +--> 3.E
  | | | +--> 4.C
  | | |--> 2.r.
  | | |--> 3.r.
  | | +--> Etika
  | | ---> Logika
  | | | |--> Dokaz
  | | | |--> Pojam
  | | | |--> Sud
  | | | `--> Logika