[Haskell-cafe] There can be only one fix? Pondering Bekic's lemma

Henning Thielemann lemming at henning-thielemann.de
Mon Mar 19 11:58:09 EDT 2007

On Sat, 17 Mar 2007, Nicolas Frisby wrote:

> Bekic's lemma [1], allows us to transform nested fixed points into a
> single fixed point, such as:
> fix (\x -> fix (\y -> f (x, y))) = fix f     where f :: (a, a) -> a

The 'fix' on the right hand side is not the standard one (e.g.
Control.Monad.Fix), is it?

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