question on log as an instance method

[Franck Ditter]

Hi ! Here is Python 3.2.3, MacOSX-Lion

Question : I may consider + as an hidden instance method , as
1+2 is equivalent to (1).__add__(2) ?
I also consider __abs__ as an instance method :
>>> (-2).__abs__()
2

Question 1 : could the parser cope with the mandatory space
in 1 .__add__(2) ?

Question 2 : After importing math, why can't I consider log as
an instance method, after all ?
>>> (4).__log__()
AttributeError: 'float' object has no attribute '__log__'

Thanks for your answers.

   franck