Goethe wrote:

> On Mon, 17 Mar 2008, comex wrote:
>>>>   Between when their voting periods begin and end, cast, and do
>>>>   not retract before the voting period ends, a ballot FOR the
>>>>   proposal God-emperor I, INSTEAD OF casting and not retracting
>>>>   a ballot FOR the proposal God-emperor II.
> 
>> I opine NO WAY.
>>
>> I just have to not follow the instructions.
>>
>> ~(a & ~b) is ~a | b.
> 
> I'm pretty sure that "instead" is *not* the same as ~(a & ~b).  "Instead" 
> is (A if not B).  Still, I'm not sure my version works either.  What is 
> ~(A if not B), anyone?  

A if not B = A or B
not (A or B) = (not A) and (not B)

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