The paper contains two remarks on finite sets of groupoid terms closed under subterms and the application of unifying pairs.
@article{118873,
author = {Jaroslav Je\v zek},
title = {A note on finite sets of terms closed under subterms and unification},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {37},
year = {1996},
pages = {655-656},
zbl = {0882.08001},
mrnumber = {1426931},
language = {en},
url = {http://dml.mathdoc.fr/item/118873}
}
Ježek, Jaroslav. A note on finite sets of terms closed under subterms and unification. Commentationes Mathematicae Universitatis Carolinae, Tome 37 (1996) pp. 655-656. http://gdmltest.u-ga.fr/item/118873/
Rewrite systems, Chapter 6, 243-320 in J. van Leeuwen, ed., Handbook of Theoretical Computer Science, B: Formal Methods and Semantics, North Holland, Amsterdam, 1990. | MR 1127191 | Zbl 0900.68283