mcallisterjp comments on Why CFAR's Mission? - Less Wrong

38 Post author: AnnaSalamon 02 January 2016 11:23PM

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Comment author: mcallisterjp 11 January 2016 06:52:10PM *  0 points [-]

In type theory and some fields of logic, 2 is usually defined as (λf.λx.f (f x)); essentially, the concept of doing something twice.