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I noticed the Neumann’s ’Paranatural Category Theory’ article appearing recently along with your ’Internal parametricity, without an interval’. As ways of dealing with parametric polymorphism, any connection?
The term “paranatural transformation” doesn’t appear to be used anywhere except the recent preprint that David mentions. Is there a reason this was chosen this as the name of the page, rather than “strong dinatural transformation”, which is the standard term?
Re. #4, I don’t see that strong dinatural transformations are mentioned in that paper. My impression is that they were introduced in Paré–Román’s Dinatural numbers.
Replaced:
Originally introduced (as strong dinatural transformations) in Definition 2.7 of
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