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Construct DFAs that recognize the following languages over the alphabet { a , b } : ( a ) { w | ; w contains
Construct DFAs that recognize the following languages over the alphabet a b:
aw ; w contains exactly two bs or an even number of as
bw w contains as substring ababb andor bbb
cw w is any string except the two strings abba and aba
Draw the state diagram for all; add a formal description of the DFA for b and add a proof that
your DFA recognizes exactly the specified language for c To do this, you will need to prove that
your DFA accepts all strings in the language and any string accepted is in the language
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