Researchers at the University of Tübingen in Germany have new evidence suggesting crows can contemplate the number zero. This ability means the birds join an “elite” group of creatures that can ...

An understanding of numbers is often viewed as a distinctly human faculty—a hallmark of our intelligence that, along with language, sets us apart from all other animals. Practically every animal that ...

Vol. 41, No. 2/3, Proceedings of the 1981 Annual Conference of the Australasian Association of Symbolic Logic (1982), pp. 283-291 (9 pages) The aim of this paper is to present the Nyāya concept of ...