All Questions

I've been reading Sacks' Countable admissible ordinals and hyperdegrees as I'm interested in Theorem 5.3 of the paper: Let $M$ be a countable standard model of $\mathsf{ZF}$ and $V=L$. Suppose $\...

In his paper "Forcing in admissible sets", Ershov writes In unpublished lectures given at Novosibirsk State University in 1976-1977 on the theory of admissible sets, the author showed that it is ...

Short version: does anyone know of any good sources on class-forcing over E-closed, non-admissible sets? Longer version: A problem I'm working on has reached an interesting conclusion - I've managed ...