Re: SI
Why not redefine SI measurements to be less arbitrary
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Because:
Any choice of unit is arbitrary, if only through picking a definition.
Mass? Rest mass of an electron, a proton, an neutron, a pi-meson?, a hydrogen atom? Any of these is arbiitrary.
Other units have similar quandrys.
For that matter, choosing which units are fundamental and which are derived is arbitrary as well.