We prove: Theorem. If T is a countable, complete, stable, first-order theory having an infinite set of constants with different interpretations, then I(T,ℵ₀) ≥ ℵ₀.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-fm169-2-3, author = {Predrag Tanovi\'c}, title = {On the number of countable models of stable theories}, journal = {Fundamenta Mathematicae}, volume = {167}, year = {2001}, pages = {139-144}, zbl = {0985.03022}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm169-2-3} }
Predrag Tanović. On the number of countable models of stable theories. Fundamenta Mathematicae, Tome 167 (2001) pp. 139-144. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm169-2-3/