Abstract. We extend Shelah’s first many model result to show that an unstable theory has 2κ many non-permutation group isomorphic models of size κ, where κ is an uncountable ...
Let C() denote the class of all cardinal sequences of length associated with compact scattered spaces. Also put C() = {f C() : f(0) = = min[f() : < ]}. If is a cardinal an...