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Open peer commentary on the article “Towards a PL-Metaphysics of Perception: In Search of the Metaphysical Roots of Constructivism” by Konrad Werner. Upshot: In his target article, Werner focuses his efforts on finding a metaphysical paradigm in which it would be suitable to embed - as he puts it - some movements in contemporary philosophy and cognitive science, and especially radical constructivism and the embodied cognition approach. In my commentary, I shall briefly discuss the question of metaphysical grounding or embedding of radical constructivism, and make an attempt to show that the author has failed to explain what this grounding is supposed to be, and that radical constructivism has to remain characteristically an anti-metaphysical doctrine. Of course, I do appreciate the ingenious efforts to find the metaphysical grounding of radical constructivism, as far as the question of cognitive access to and the knowability of reality is concerned, but I would like to undermine the key tenet of the article that radical constructivism is in the pressing need of a metaphysics of some sort.
Schetz A. (2015) A mess of the grounding role of metaphysics. Constructivist Foundations 11(1): 162–163. http://constructivist.info/11/1/162
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