2007-11-01 21:30 Behnam 1052×744×0 (9751 bytes) Venn diagram for P, NP, NP-Complete, and NP-Hard problems
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Euler diagram for P, NP, NP-complete, and NP-hard set of problems. The left side is valid under the assumption that P ≠ NP, while the right side is valid under the assumption that P = NP.