2000-07-15Z2011-03-11T08:54:21Zhttp://cogprints.org/id/eprint/866This item is in the repository with the URL: http://cogprints.org/id/eprint/8662000-07-15ZFrom hand to mouth: Some critical stages in the evolution of languageA theory of the evolution of lanaguage, beginning with bipedalism and lateralization, through instrumental and iconic gesture, to arcbitrary symbols, propositions and speech. The "translatability thesis" is also introduced, to the effect that all languages are intertranslatable (hence all can express any and every proposition).Horst Dieter SteklisStevan Harnad