[EMAIL PROTECTED] wrote: > Hi Alex, > With all due respect to your well-deserved standing in the Python > community, I'm not convinced that equality shouldn't imply invariance > under identical operations. > > Perhaps the most fundamental notion is mathematics is that the left and > right sides of an equation remain identical after any operation applied > to both sides. Our experience of the physical world is similar. If I > make identical modifications to the engines of two identical > automobiles, I expect the difference in performance to be identical. > If my expectation is met, I would assert that either the two vehicles > were not identical to begin with or that my modifications were not > performed identically.
But programming is not mathematics and assignment is not an equation. How about this: In [1]: a=3.0 In [2]: b=3 In [3]: a==b Out[3]: True In [4]: a/2 == b/2 Out[4]: False Kent -- http://mail.python.org/mailman/listinfo/python-list