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Closures of Regular, DCFL, CFL, CSL, Recursive and RE Languages

Raveendra Tudangil

20/05/2017 0 0

Language/Operation	Union	Intersection	Complement	Concatenation	Klene Star	Reversal	Intesection with Regular
Regular(Type 3)	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Deterministic Context Free	No	No	Yes	No	No	No	Yes
Context Free(Type 2)	Yes	No	No	Yes	Yes	Yes	Yes
Context Sensitive(Type 1)	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Recursive(Turing Decidable)	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Recursive Enumerable(Turing Recognizable)(Type 0)	Yes	Yes	No	Yes	Yes	Yes	Yes

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