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By Paul H. Portner. provides readers with a sense of the fascination to be found in the details of human language. Paul H. Portner is Associate Professor of Linguistics and Director of the Interdisciplinary Program in Cognitive Science at Georgetown University.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.