We study categoricity in power for reduced models of first order logic without equality.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-fm170-1-5,
author = {H. Jerome Keisler and Arnold W. Miller},
title = {Categoricity without equality},
journal = {Fundamenta Mathematicae},
volume = {167},
year = {2001},
pages = {87-106},
zbl = {0993.03045},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm170-1-5}
}
H. Jerome Keisler; Arnold W. Miller. Categoricity without equality. Fundamenta Mathematicae, Tome 167 (2001) pp. 87-106. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm170-1-5/