This pull request makes FiniteSet not sort its elements at construction and
fixes the consequences.
You can merge this Pull Request by running:
git pull https://github.com/scolobb/sympy finiteset-nosort
Or you can view, comment on it, or merge it online at:
https://github.com/sympy/sympy/p
This pull request makes `FiniteSet` use `default_sort_key` to sort its elements
and also removes the pre-sorting of `FiniteSet` elements before printing it in
`pretty.py`.
You can merge this Pull Request by running:
git pull https://github.com/scolobb/sympy finiteset-fixsorting
Or you can vi
These doctest are platform dependent, so we simply skip testing them.
This problem was introduced by the pull request #1371.
You can merge this Pull Request by running:
git pull https://github.com/certik/sympy sets
Or you can view, comment on it, or merge it online at:
https://github.com/s
Pull Request #460 introduced support for a handy abuse of notation, however it
disregarded the convention for constructing `Subs(Derivative(...))` objects
causing serious inconsistencies:
- this does not work anymore:
```
In [1]: f(g(x)).diff(x).subs(g, Lambda(x, 2*x))
Error
```
- these result
