where are isinstance types documented?

[Georg Brandl]

Fredrik Lundh wrote:
> Sion Arrowsmith wrote:
>>
> 
>>> based on http://docs.python.org/ref/types.html, here's a list of the 
>>> most commonly used core types:
>>> [ ... ]
>>> Sequences:
>>>     str
>>>     unicode
>>>     tuple
>>>     list
>> 
>> And set, presumably.
> 
> absolutely!
> 
> however, sets don't seem to be mentioned on that page at all (and if 
> they were, they should be under mappings, right?).  any documentation 
> hackers out there ?

Filed a doc bug (#1565919). Should be a piece of cake for someone more
versed in the English language than me ;)

Georg