3 papers
math.LO2022
Indestructible Guessing Models And The Approximation Property
Rahman Mohammadpour
In this short note, we shall prove some observations regarding the connection between indestructible -guessing models and the -approximation property of forcing notions.
math.LO2020
Almost Strong Properness
Rahman Mohammadpour
We introduce the forcing property "almost strong properness" which sits between properness and strong properness. As an application, we introduce a simple forcing with finite condi…
math.LO2018
Guessing models and the approachability ideal
Rahman Mohammadpour, Boban Velickovic
Starting with two supercompact cardinals we produce a generic extension of the universe in which a principle that we call holds. This principle implies ${\rm…