Context-free grammar into a push-down automaton

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Describe a push-down automaton that can recognize the language L-Complement where L={WW|W belongs to sigma*}

I know the Context free grammar that generate the language and i know that i can convert a Context-free grammar into a push-down automaton.

but i want the idea behind the construction of the automaton.

 

 

Reference no: EM13874337

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