# An introduction to generalized descriptive set theory, part 4

Mon, 14/01/2019 - 13:00
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Last week, we gave a detailed proof of Lemma 1.13 from the notes:
http://u.math.biu.ac.il/~morenom3/GDST-2018.pdf
This week, we shall continue, proving that, if V=L, then $\kappa$-Borel* class is equal to the $\Sigma1^ 1(\kappa)$ class.