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Published online by Cambridge University Press: 31 January 2023
The primary significance of the adoption of Black’s (1962) interaction view of metaphor by Hesse in her network model of theories (1966, 1972 and 1974) and in her network model of meanings (1984a) is the fact that it leads to a fundamental modification of the hypothetical-deductive account of scientific theorizing and a relativization of the traditional logical positivist distinction between observation language and theory language. Hesse argues that what holds for metaphorical language in ordinary language use, namely that it is affected by the contextual interaction between the various elements present in the metaphor, is also true of scientific models. They function in a similar fashion (1972, p. 254). She does not reject the distinction between literal and metaphorical language, but claims that the distinction is a pragmatic one. The distinction concerns the way in which speakers learn, use, and if necessary, define the words of their language.
The initial draft of this paper was developed during a sabbatical at Notre Dame University, made possible by a Senior Researcher Grant of the Human Sciences Research Council of the Republic of South Africa. I would like to thank Ernan McMullin for helpful discussions and assistance during this time. For comments related to preliminary versions of this paper I would like to thank Johann Mouton, Alexis Retief, Dian Joube and Wentzel van Huysteen.