Unreachability of Inductive-Like Pointclasses in $L(\mathbb{R})$

Derek Levinson, Itay Neeman, Grigor Sargsyan

Hjorth proved from $ZF+AD+DC$ that there is no sequence of distinct $\hat{I}{\pounds }_2^1$ sets of length $\hat{I}{´}_2^1$. Sargsyan extended Hjorth's technique to show there is no sequence of disti…