Non-Persistent Truths and Alethic Charity [Critical Note]
Issue: Issue 18 • Author/s: Peter Ludlow
Topics: Epistemology, Metaphysics, Philosophy of language, Theoretical philosophy
In his fascinating paper on non-persistent truths, Andrea Bonomi makes the case that the truth value of propositions may shift over time, and he takes issue with Gareth Evans’ criticism of such a view. Some of the linguistic evidence provided by Bonomi may strike philosophers as suspect, but I build a case for the legitimacy of such evidence under a principle that I call “alethic charity,” which governs folk truth attributions. I also speculate that some of Bonomi’s judgments may reflect the hidden presence of epistemic modality.
Floating, Anchored and Future-Tensed Propositions [Critical Note]
Issue: Issue 18 • Author/s: Francesco Orilia
Topics: Epistemology, Metaphysics, Philosophical logic, Philosophy of language, Theoretical philosophy
There are two prominent theses in Bonomi’s 2023 paper “Non-Persistent Truths”, here labelled the two-levels and the changing background theses. According to the former, both semantic eternalism and temporalism are right, in that our ordinary natural language utterances may be taken to express both anchored propositions with a fixed truth value and floating propositions with a changing truth value. According to the changing background thesis, there are future-tensed propositions that change truth value, for reasons that have to do with change in background information available to ordinary speakers, rather than…