|Phenomenalism: is the notion that it is the manner of experience of the objects, and not the objects in themselves to which we can refer. In this case, the existence of the corresponding objects is not assumed in principle for all sensory impressions. See also empiricism, perception, sensory perception, sensory impressions.|
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Phenomenalism/Brandom: Slogan: "Being means to be perceived" - The represented is explained in concepts of the representing and not vice versa - Object and proposition are structures or constructions of perceptions - existence, independence and propositions are characteristics of assignment.
Facts about having propositional supervene facts about the appearance - i.e. first the observation must be explained. Without reference on what it means to be a thing, it needs to be explained what it means to be regarded as a thing - then you can say that there is no fact about which things are red - VsPhenomenalism: has notoriously failed - Cartesian dualism appearance as a basis certainty "that it seems to me".
Expressive Vernunft Frankfurt 2000
Begründen und Begreifen Frankfurt 2001