Pda question

Question

Is WcW CFG?

Answer 1

No! Considering W ∈ {a,b}*, we can't draw a PDA for the language.
Initially we push input alphabets (W) to stack and once we encounter c, we can't check if W = W.

Comments

I hope you are not getting confused with (W c Wreverse)

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Updated! Thanks for pointing it out.