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when toggle format what by license comment
Apr 30, 2019 at 14:25 comment added Tim Campion I think the other question might be more subtle, maybe depending on exactly how the space $H(C,A)$ is defined.
Apr 30, 2019 at 14:24 vote accept Tim Campion
Apr 29, 2019 at 0:12 history answered D.-C. Cisinski CC BY-SA 4.0