On Wed, Jan 22, 2014 at 10:05 AM, Martin Dias <[email protected]> wrote:
> should
>
> (T1 @ {#a -> #b} @ {#x -> #y}) = (T1 @ {#x -> #y} @ {#a -> #b})
>
> ?
>
two more:
(T1 - {#a. #b}) = (T1 - {#b. #a})
(T1 - {#a} - {#b}) = (T1 - {#b} - {#a})
On Wed, Jan 22, 2014 at 10:05 AM, Martin Dias <[email protected]> wrote:
> should
>
> (T1 @ {#a -> #b} @ {#x -> #y}) = (T1 @ {#x -> #y} @ {#a -> #b})
>
> ?
>
two more:
(T1 - {#a. #b}) = (T1 - {#b. #a})
(T1 - {#a} - {#b}) = (T1 - {#b} - {#a})