Question: For a language L , let max ( L ) = { x | x i n L and i f xyinL then y =

For a language L, let
max(L)={x|xinL and if xyinL then y=lon}
Show that the class of context-free languages is not closed under the
max() operation.
(Hint: consider the language |=k or {:j=k}.)
For a language L , let max ( L ) = { x | x i n L

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