MathSciNet bibliographic data MR1998405 03D65 (03D10 03E45 68Q05 68Q15) Hamkins, Joel David; Welch, Philip D. ${\rm P}^f\neq {\rm NP}^f$${\rm P}^f\neq {\rm NP}^f$ for almost all $f$$f$. MLQ Math. Log. Q. 49 (2003), no. 5, 536–540. Article

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