Can a monkey, a pigeon or a fish reason like a person? It's a question scientists have been testing in increasingly creative ...

It turns out humans are not the only ones who can make these kinds of mental leaps. In labs around the world, researchers have tested many animals, from primates to birds to insects, on tasks designed ...

This paper presents a method for finding the terminal-pair reliability expression of a general network. First, the system success function S is found, beginning from the connection matrix for the ...

We study the relationship between least and inflationary fixed-point logic. By results of Gurevich and Shelah (1986), it has been known that on finite structures both logics have the same expressive ...