On Sunday, October 13, 2019 at 1:46:10 AM UTC-5, Philip Thrift wrote: > > > > On Saturday, October 12, 2019 at 5:49:36 PM UTC-5, Brent wrote: >> >> >> >> On 10/12/2019 2:23 PM, Alan Grayson wrote: >> >> I don't see how Bohr saved the theory (of superposition?) by making that >>> declaration. Isn't there general agreement today that everything is >>> quantum? AG >>> >>> >>> There is now, but "Shut and calculate" produced huge advancements in >>> understanding physics, chemistry, and biology and produced the solid-state >>> electronics revolution - without metaphysics getting in the way. >>> >>> Brent >>> >> >> Where have I introduced metaphysics? If a superposition means that all >> components are simultaneously realizied, >> >> >> What does "realized" mean? made real? Being real is a metaphysical >> concept. Bohr never said anything about components of a superposition >> being real. He famously said “Physics is not about how the world is, it >> is about what we can say about the world” and “Everything we call real is >> made of things that cannot be regarded as real.” >> >> Brent >> >> which I presume is Bohr's position, this is where metaphysics has been >> introduced, unless it can be shown valid. Does double slit interference >> mean all components are simultaneously realized, which is the road to MW? >> Why is this interpretation valid? AG >> >> >> > To say something is not real is also a metaphysical statement. > > Even to say a formula (expression in mathematical notation) is a tool > (instrument) to make predictions of a particular physical phenomenon is > metaphysical in some way -- by the choice of mathematical language in which > the formula is expressed, > > @philipthrift > > > To add: To the neopragmatists [ https://en.wikipedia.org/wiki/Neopragmatism ] (and others similar), what counts as "real" vs. "useful fiction" is never quite totally separated.
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