Axiomatic Set Theory: Problem sheet 5 S 1. Assuming (as was shown in the lectures), that a ∈ L → a ∈ L and a ∈ L → Pa ∩ L ∈ L, verify carefully that hL, ∈i ² union, powerset. 2. The rank of a set A, rk(A - Jensen hierarchy - Document - PDFSEARCH.IO

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	Axiomatic Set Theory: Problem sheet 5 S 1. Assuming (as was shown in the lectures), that a ∈ L → a ∈ L and a ∈ L → Pa ∩ L ∈ L, verify carefully that hL, ∈i ² union, powerset. 2. The rank of a set A, rk(A Add to Reading List Document Date: 2009-02-02 11:27:30 Open Document File Size: 62,45 KB Share Result on Facebook SocialTag Set theory Model theory Forcing Operator theory Jensen hierarchy Pullback Mathematical logic Constructible universe Von Neumann universe

Axiomatic Set Theory: Problem sheet 5 S 1. Assuming (as was shown in the lectures), that a ∈ L → a ∈ L and a ∈ L → Pa ∩ L ∈ L, verify carefully that hL, ∈i ² union, powerset. 2. The rank of a set A, rk(AAdd to Reading List