On the class of flat stable theories
by Palacin and Shelah. [PlSh:1133]
Annals Pure and Applied Logic., 2018
A new notion of independence relation is given and associated to
it the class of flat theories, a subclass of strong stable theories
including the superstable ones is introduced. More precisely, after
introducing this independence relation, flat theories are defined as
an appropriate version of superstability and it is shown that in a
flat theory every type has finite weight and therefore flat theories
are strong.
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