[FRIAM] Thanks again Marcus

[Jon Zingale]

Relatedly,

A lecture by Chris Isham, whose topos is discussed a bit in Smolin's
book 'Three roads to quantum gravity', lectures on results
<https://www.youtube.com/watch?v=VCOHFFEsl0c> from his
paper on Toposes <https://arxiv.org/pdf/0803.0417.pdf>, Heidegger, and the
foundations of physics.
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