anna lied on friday that she had lied the day beforebjorn told the truth on
friday that he lied the day before
2008/11/7 Randy MacDonald <[EMAIL PROTECTED]>
> Hello Raul;
>
> Just in case...
>
> er, isn't Monday the answer? Anna lied on Fri Sat and Sun, and Bjorn on Tue
> Wed Thu and Sun. They both lied on Sunday, which was yesterday on Monday...
> unless I am missing something.
>
> Raul Miller wrote:
>
>> On Sun, Oct 26, 2008 at 11:16 AM, Björn Helgason <[EMAIL PROTECTED]>
>> wrote:
>>
>>
>>> Another experiment
>>> We have two people Anna and Björn
>>> They tell the truth on following days
>>>
>>> annas=. 'Monday';'Tuesday';'Wednesday';'Thursday'
>>>
>>> bjorns=.'Sunday';'Monday';'Friday';'Saturday'
>>>
>>> Did you tell a lie yesterday?
>>>
>>> What day did they both answer yes?
>>>
>>>
>>
>> days=:;:'Sunday Monday Tuesday Wednesday Thursday Friday Saturday'
>> cool=: #&days :.(days&e.)
>> warm=: days&e. :.(#&days)
>> annas=: cool 0 1 1 1 1 0 0
>> bjorns=:cool 1 1 0 0 0 1 1
>> admit=: (~: _1&|.)&.warm
>> annas *.&.warm&(admit) bjorns
>> +------+
>> |Friday|
>> +------+
>>
>> Note that my expressions for defining annas and bjorns look
>> different from yours but produce the same results. You could
>> replace mine with yours, if you prefer.
>>
>>
>>
>
> --
> ------------------------------------------------------------------------
> |\/| Randy A MacDonald | APL: If you can say it, it's done.. (ram)
> |/\| ramacd <at> nbnet.nb.ca |
> |\ | | The only real problem with APL is that
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> Natural Born APL'er |
> -----------------------------------------------------(INTP)----{ gnat }-
>
>
>
>
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