Viewing profile — ejenk
ejenk
HN member- Joined
- Wed, Apr 09, 2014, 2:24 PM UTC
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About ejenk
Recent public activity
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Comment #13478750
Warning to Vimperator users: some Vimperator features are currently broken in this release. See https://github.com/vimperator/vimperator-labs/issues/568
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Comment #12244971
I'm sorry, but as a resident of Hyde Park for more than a decade, your experience could not be more alien to me. I have not once wished for the burden and expense of owning a car. …
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Comment #9963647
From the article, you'd think these ideas were invented by Coecke and Chaitin from whole cloth. Graphical calculi for monoidal categories date back to Kelly and Laplaza (1980), wit…
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Comment #8677439
Surely your monoid example should be a Sigma type (`exists`), not a Pi type (`forall`), since a monoid is a specification of data for a single type A, not for all types A. Indeed, …
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Comment #7559539
I think the author has confused NP with NP-hard (or NP-complete). Indeed, it is extremely unlikely that the unknottedness problem is NP-complete, as it is already in NP ∩ co-NP (as…