Suslin cardinal (original) (raw)

In mathematics, a cardinal λ < Θ is a Suslin cardinal if there exists a set P ⊂ 2ω such that P is λ-Suslin but P is not λ'-Suslin for any λ' < λ. It is named after the Russian mathematicianMikhail Yakovlevich Suslin (1894–1919).