Truth about a subject matter.

A proposition can be false but still true about a certain subject matter: e.g., the proposition that snow is white and expensive is false, yet still true about the color of snow. This paper investigates how this idea of ‘truth about a subject matter’ should be analyzed. I begin with the Simple Conju...

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Publicado en:Synthese Vol. 207; no. 4; pp. 1 - 15
Autor principal: Deng, Duen-Min
Formato: Artículo
Publicado: Springer Nature Apr2026
Acceso en línea:Ver este registro en EBSCOhost
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        10.1007/s11229-026-05550-9
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        atl: Truth about a subject matter.
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        au: Deng, Duen-Min
        affil: https://ror.org/05bqach95 Department of Philosophy, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, 10617, Taipei, Taiwan
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      keyword:
        Aboutness
        Lewis
        Partial truth
        Subject matter
        Yablo
      ab: A proposition can be false but still true about a certain subject matter: e.g., the proposition that snow is white and expensive is false, yet still true about the color of snow. This paper investigates how this idea of ‘truth about a subject matter’ should be analyzed. I begin with the Simple Conjunction Theory, which explains the case by decomposing a false proposition into a true conjunct about the subject matter and a false conjunct irrelevant to it. While intuitive, this theory fails to account for non-conjunctive propositions. I then examine the Lewis-Yablo Theory, which invokes possible-world partitions to analyze subject matters. I show that this framework generalizes the Simple Conjunction Theory and accommodates non-conjunctive cases, but it also faces a counterexample. To resolve this, I propose modifications based on closeness relations among possible worlds. The resulting account preserves the explanatory motivations of the earlier theories while avoiding their difficulties.
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