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Apr 12, 2023 at 11:50 comment added joro @PeterTaylor I think projective might be omitted in the proof and we can work only with expressions over the rationals.
Apr 12, 2023 at 11:28 comment added Peter Taylor Does this proof hinge on not understanding the meaning of projective?
S Apr 12, 2023 at 10:47 history answered joro CC BY-SA 4.0
S Apr 12, 2023 at 10:47 history made wiki Post Made Community Wiki by joro