Tag Archives: Nonspecial tree

Joint work with Ari Meir Brodsky. Abstract.  Ben-David and Shelah proved that if $\lambda$ is a singular strong-limit cardinal and $2^{\lambda }={\lambda }^{+}$, then ${\mathrm{<img\; draggable="false"\; role="img"\; class="emoji"\; alt="◻"\; src="https://s.w.org/images/core/emoji/15.0.3/svg/25fb.svg">}}_{\lambda }^{\ast }$ entails the existence of a $\lambda$-distributive ${\lambda }^{+}$-Aronszajn tree. Here, it is proved that the same conclusion remains … Continue reading →