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foobar1962today at 1:31 AM2 repliesview on HN

That's confusing copyright with patents. The right to publish Newton's books is separate from being able to apply the knowledge which a patent protects. Note that math equations cannot be patented.


Replies

anthktoday at 12:15 PM

> Note that math equations cannot be patented.

RSA can if you equal factors to 0.