moshez comments on Standard and Nonstandard Numbers - Less Wrong

31 Post author: Eliezer_Yudkowsky 20 December 2012 03:23AM

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

Comments (83)

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

Comment author: moshez 21 December 2012 07:21:22PM 0 points [-]

If you like spoilers, google "Lowenheim-Skoler" -- the same technique as the proof for the "upwards" part allows you to generate non-standard models for the First-order logic version of Peano axioms in a fairly straight-forward manner.