Question: Sei L eine aufz hlbare ( also r . e . ) Sprache, die ein nicht aufz hlbares Komplement L hat. Es seien a ,

Sei L eine aufzhlbare (also r.e.) Sprache, die ein nicht aufzhlbares Komplement L
hat. Es seien a, b in \Sigma . Ist L={bbw | w in L}\cup {aaw | w in L} rec.? Ist L r.e.?

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Sei L eine aufz hlbare ( also r . e . ) Sprache, die ein nicht aufz hlbares Komplement L hat. Es seien a , b in \ Sigma . Ist L = { bbw | w in L } \ cup { aaw | w in L } rec.? Ist L r . e . ?

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