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It appears the argument isn't so much over whether you can see/detect finer detail than the telescope resolves as defined by Dawes and Rayleigh (yes you can) but rather how much finer, exactly. And that it seems is determined by contrast, and observer acuity.
The notches between two partially separated airy disks are an artifact, like the airy disks themselves, they do not exist on the target and so cannot be "resolved" by the telescope in the classical sense.
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