Is $L=\{w_1 c w_2 \mid w_1,\ w_2\in\{a,b\}^*,\ w_1≠w_2\}$ context free? How?
I am trying to build a pda but do not know how to check the inequality.
2026-03-25 19:10:22.1774465822
Is $L=\{w_1 c w_2\mid w_1,\ w_2\in\{a,b\}^*,\ w_1≠w_2\}$ context free?
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