Oops, typo!

Jim Weirich wrote:
[...]
> And then assert things that must be true about the choice:
> 
>     A.assert (x % 2)
>     # at this point, x can only be 2 or 4.

The assertion should read:

    A.assert (x % 2) == 0

Sorry.

--
-- Jim Weirich


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