pith. sign in

arxiv: math/9408215 · v1 · submitted 1994-08-15 · 🧮 math.LO

More forcing notions imply diamond

classification 🧮 math.LO
keywords forcingcollapsescontinuumdiamondomegaproveansweringcarlson
0
0 comments X
read the original abstract

We prove that the Sacks forcing collapses the continuum onto the dominating number d, answering the question of Carlson and Laver. Next we prove that if a proper forcing of the size at most continuum collapses omega_2 then it forces diamond_{omega_1} .

This paper has not been read by Pith yet.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.