raw draft 14-4
more on pumping lemma
working at 11 km altitude
added grammar file
added grammar file
a bit too tird
added answer markers
14-8 prs
more on exercises
2pda=tm
14-5 finished
dfa -> right tm
outline 14-6
14-6 almost finished
14-8 done
outline 14-7
14-7 finished
14-6 finished
sol14-{6,7,8}
fixed #6