|Dualism: the idea that the entities in a considered domain cannot be unified. In philosophy e.g. spirit and matter. Monism in contrast, confirms that unity is possible and that a separateness can not be claimed. Sie also property dualism, monism.|
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Dualism of properties/Schiffer: assumes the same physicalist and irreducible mental (intentional) properties - SchifferVs: superfluous, leading to over-determination.
I 156 ff
Sententialistic dualism/Schiffer: true statements about belief instead of existing belief-properties - (s)> substitutional quantification (sQ).
Remnants of Meaning Cambridge 1987