should

(T1 @ {#a -> #b} @ {#x -> #y}) = (T1 @ {#x -> #y} @ {#a -> #b})

?



On Tue, Jan 21, 2014 at 6:39 PM, Martin Dias <tinchodias@gmail.com> wrote:



On Tue, Jan 21, 2014 at 6:02 PM, Damien Cassou <damien.cassou@gmail.com> wrote:
On Tue, Jan 21, 2014 at 5:29 PM, Martin Dias <tinchodias@gmail.com> wrote:
> Do experts on traits agree? I can open an issue and propose a slice.


you have to pay attention that A + B + C = B + A + C = C + A + B.
ok, I will propose a slice