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In computational complexity theory, SP2 is a complexity class, intermediate between the first and second levels of the polynomial hierarchy. A language L is in if there exists a polynomial-time predicate P such that * If , then there exists a y such that for all z, , * If , then there exists a z such that for all y, , where size of y and z must be polynomial of x.

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  • En teoria de la complexitat, la classe de complexitat SP2 és la classe de complexitat intermèdia entre el primer i segon nivell de la jerarquia polinòmica. Un llenguatge L és a SP2 si existeix un predicat P de temps polinòmic tal que: * si , llavors existeix un y tal que per tot z, * si , llavors existeix un z tal que per tot y, on y i z son polinomis de x. (ca)
  • In computational complexity theory, SP2 is a complexity class, intermediate between the first and second levels of the polynomial hierarchy. A language L is in if there exists a polynomial-time predicate P such that * If , then there exists a y such that for all z, , * If , then there exists a z such that for all y, , where size of y and z must be polynomial of x. (en)
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  • En teoria de la complexitat, la classe de complexitat SP2 és la classe de complexitat intermèdia entre el primer i segon nivell de la jerarquia polinòmica. Un llenguatge L és a SP2 si existeix un predicat P de temps polinòmic tal que: * si , llavors existeix un y tal que per tot z, * si , llavors existeix un z tal que per tot y, on y i z son polinomis de x. (ca)
  • In computational complexity theory, SP2 is a complexity class, intermediate between the first and second levels of the polynomial hierarchy. A language L is in if there exists a polynomial-time predicate P such that * If , then there exists a y such that for all z, , * If , then there exists a z such that for all y, , where size of y and z must be polynomial of x. (en)
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  • S2P (Complexitat) (ca)
  • S2P (complexity) (en)
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