We give a survey of results on the relative strengths of different fragments of Martin's Axiom, as well as a list of the main remaining open questions.

A correction to “A non-implication between fragments of Martin's Axiom related to a property which comes from Aronszajn trees”.

We give a survey of results on the relative strengths of different fragments of Martin's Axiom, as well as a list of the main remaining open questions.

Oct 22, 2024 · In this note we consider such theory for AC 0 . We present a model-theoretical property of this theory, by means of which we are able to ...

We give a survey of results on the relative strengths of different fragments of Martin's Axiom, as well as a list of the main remaining open questions.

They are stronger than the countable chain condition. Some of their typical examples are forcing notions about indestructible gaps introduced by Kunen. Both ...

The relative strength of fragments of Martin's axiom. Several conditions stronger than the ccc and the corresponding weaker forms of. MA have been considered ...

This yields a new solution to an old question of the first author about the relative strength of Martin's axiom for σ-centered partial orderings together with ...

Títol: The relative strengths of fragments of Martin's axiom. Autors: Bagaria, J. Investigadors/es (PRC):, Bagaria Pigrau, Joan.

This yields a new solution to an old question of the first author about the relative strength of Martin's axiom for σ-centered partial orderings together with ...