07: visual fixes
Merge branch 'master' of github.com:philippmuller/logik-und-diskrete-strukturen
Merge branch 'master' of github.com:philippmuller/logik-und-diskrete-strukturen
07: fix typos, start 5
Merge branch 'master' of github.com:philippmuller/logik-und-diskrete-strukturen
07: prgress of 5