Place, U. T. (1987-06-16). Behavioral contingency semantics and the correspondence theory of truth. Second International Institute on Verbal Relations, Hacienda Vista Hermosa, Tequesquitengo, Morelos, Mexico, 16-20 June 1987.
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Place, U. T. (1988-03-12). Behavioural contingency semantics and the correspondence theory of truth. Behaviour Analysis in Ireland, Spring Meeting, 12 March 1988
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