The 3 indicates the object being defined is a verb. There are other forms as 
well 0 noun, 1 adverb, 2 conjunction.

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On May 20, 2012, at 5:09 PM, jake wilson <jakewilso...@gmail.com> wrote:

> when defining a verb, the J Primer says to write this:
> 
> centigrade =. 3 : 0
>> 
>> what is the 3 for there? I assumed it was because following that
> statement, the primer says to define three variables, t1, t2, and t3, but
> then on the next page it uses the same definition, but only defines one
> variable. Also, what is the zero for?
> 
> Thanks,
> -Jake
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