Question: A language L is complete for a language class C with respect to polynomial-time reductions if L C and L P L for

A language L is complete for a language class C with respect to polynomial-time reductions if L ∈ C and L′ ≤ P L for all L′ ∈ C. Show that ; and {0, 1}^* are the only languages in P that are not complete for P with respect to polynomial-time reductions.

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