pengvado comments on No one knows what Peano arithmetic doesn't know - Less Wrong

17 Post author: cousin_it 16 December 2011 09:36PM

You are viewing a comment permalink. View the original post to see all comments and the full post content.

Comments (52)

You are viewing a single comment's thread. Show more comments above.

Comment author: pengvado 17 December 2011 05:56:31PM *  4 points [-]

The title is a reference to No One Knows What Science Doesn't Know, from which I infer that it's supposed to be read as "There is some set {what PA knows}. No one can know exactly where the boundaries of this set are.", not "There is some set {what PA knows}. No one can know the truth value of any proposition not in this set.".