, ? RC(Ske(b), R, ?) such that Mcr(P <i |b · a · b , a, ?) = ? it holds a f P<i|b

R. Ske, R, ?) = n?N f n P<i|b,? (R min ), where f n P<i|b

. P&lt;i|b,

. P&lt;i|b,?-(r-min-)-=-r-min,

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