Okay, okay, I know: *dozens of us* grok set theory. It's fun, but ∆∅ε! They doesn't belong in the Nix interface. And now they're gone: Determinate Nix 3.6.2 uses /words/, not symbols, in the `nix profile` commands. This and lots more in Determinate #Nix 3.6.2: determinate.systems/posts/change...

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