THE FREGE-GEACH OBJECTION - SEMANTIC PROBLEMS OF EXPRESSIVISM (Problem Fregego-Geacha - semantyczne klopoty ekspresywizmu)
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Expressivists distinguish between two languages: the descriptive and the normative. The moral sentences belonging to the latter do not state facts, therefore have no truth conditions and only express moral approval or disapproval towards the evaluated object. This proposition faced the charge that it is possible to find unasserted semantic contexts in which moral sentences appear to be true (Frege-Geach objection). The paper shows how Blackburn (1988) dealt with this problem. The authoresses go on to argue that in order to accept Blackburn's solution one needs to have a clear concept of what it is 'to express'. We show which conditions this relation has to fulfill so as to make the theory of expressivism coherent. Using as examples two popular notions of expression relation - expression as a symptom (Husserl, Ajdukiewicz, Ossowska) and expression as a causal relation (Ayer) - they demonstrate that neither of these notions is adequate for the expressivists' purposes, which leads to the conclusion that expression relation remains mysterious and there is a serious gap in the theory.
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