[racket] arity of + versus <=

From: Joe Marshall (jmarshall at alum.mit.edu)
Date: Fri Oct 28 11:12:39 EDT 2011

On Wed, Oct 26, 2011 at 8:32 PM, Dan Grossman <djg at cs.washington.edu> wrote:
> Very minor point, but is there a rationale beyond historical precedent
> for + and * to allow any number of arguments but, =, <=, <, >, >= to
> require at least two arguments?

0 is the additive identity. 1 is the multiplicative identity.
What is the equality identity?

-- 
~jrm


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