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Open peer commentary on the target article “Arguments Opposing the Radicalism of Radical Constructivism” by Gernot Saalmann. First paragraph: As Maturana (e.g., 1987) has often reminded us, everything said is said by an observer. What I say here I say as an observer and reflects who I am, what I can perceive and what sense I am prepared to make of that. Similarly, what Gernot Saalmann says in his article is said by an observer and reflects who he is, what he can perceive and what sense he is prepared to make of that. I describe myself as an English speaking mathematics educator with a family background in neuroscience. Saalmann does not describe himself in his article but appears to be (to me as an observer) a German speaking sociologist. Given that we are different observers it is no surprise that we make different observations about radical constructivism.
Reid D. A. (2007) Observations on an observer’s attachment to the idea of reality. Constructivist Foundations 3(1): 9–10. http://constructivist.info/3/1/009
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