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There's a Principia Mathematica anniversary symposium at Trinity College, Cambridge this weekend. http://www.srcf.ucam.org/principia/ http://www.srcf.ucam.org/
by ionfish 16y ago
There's a Principia Mathematica anniversary symposium at Trinity College, Cambridge this weekend.
http://www.srcf.ucam.org/principia/ http://www.srcf.ucam.org/principia/
- pbhjpbhj 16y agoSorry I miss clicked and downvoted you instead of upvoting; the interface prevents me from rectifying this error.
- oiuyhgfthyujik 16y agoSo does -1 + 1 = 0 here? Is there some book that proves this?