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true or false (a) Every subset of a regular language is regular. (b)T (e)-- The concatenation of any two context-free languages is context-free The intersection

true or false

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(a) Every subset of a regular language is regular. (b)T (e)-- The concatenation of any two context-free languages is context-free The intersection of any two context-free languages is context-free.. P-TIME= EXP-SPACE

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