A project funded by the European Research Council

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Panel 1

Project

Disagreement is a pervasive feature of human life, which finds linguistic expression in the speech-act of rejection. If you assert that Amsterdam is in Belgium, I can express my dissent by responding ‘No’, thereby rejecting your assertion.

In the study of human language, assertion has taken centre stage and the investigation of rejection traditionally regarded as a chapter in the study of assertion. Thus, the orthodox treatment of rejection equates it with negative assertion, so that rejecting that Amsterdam is in Belgium is tantamount to asserting that Amsterdam is not in Belgium. However, recent theories of truth have employed a notion of rejection not reducible to negative assertion. Moreover, linguistic evidence shows that rejections and negative assertions have different functions in discourse. So what is rejection? And how does it behave?

The EXPRESS project will articulate a full-fledged theory of rejection as a speech-act not reducible to negative assertion. This theory will be incorporated into extant models of conversation and used to develop a novel logic of rejection faithful to the linguistic phenomena. The basic logical framework is that of a calculus containing formulae accompanied by signs for assertion and rejection. This bilateral framework will be modified to accommodate both weak and strong forms of rejection and extended into a unified multilateral framework capable of also handling weak forms of assertion.

The theory and logical framework developed will be used to establish inferential expressivism, a novel approach to expressivist semantics which will be applied to the cases of negation, truth and epistemic modals. This approach will lead to distinctive hypotheses about language evolution which will be tested using computational methods.

This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement no. 758540).

The project is hosted by the Institute for Logic, Language and Computation at the University of Amsterdam.

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Panel 2

News

New appointment

We are very pleased to announce that Julian Schlöder will be joining the EXPRESS team as a logic postdoc starting on 1st September. His primary focus will be the Logic of Rejection subproject.

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