Even though it's one of the tiniest cell phones you've probably ever seen, it would be difficult to lose this one. As its name implies, the "ring-cellphone" is worn on the finger, and includes all the ...

A study was conducted to investigate the effect on concept difficulty of: a.) the number of defining attributes, and b.) the level of conceptualization (LC) of the concepts' attributes. One hundred ...

Applicable Analysis and Discrete Mathematics, Vol. 10, No. 2 (October 2016), pp. 408-446 (39 pages) An associative Boolean tree is a plane rooted tree whose internal nodes are labelled by AND or OR ...