Laxton introduced a group structure on the set of equivalence classes of linear recurrence sequences of degree 2. This result yields much information on the divisibilities of such sequences. In this ...

Let $R$ be a Borel equivalence relation with countable equivalence classes, on the standard Borel space $(X, \mathscr{A}, \mu)$. Let $\sigma$ be a 2-cohomology class ...

Equivalence‐based instruction (EBI) is an instructional methodology grounded in the principles of stimulus equivalence, whereby teaching a limited set of direct relations gives rise to the emergence ...