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[Off-topic] Requests author discusses MentalHealthError exception

Ian Kelly ian.g.kelly at gmail.com
Thu Mar 3 15:33:12 EST 2016 
On Thu, Mar 3, 2016 at 1:20 PM, alister <alister.ware at ntlworld.com> wrote:
> On Thu, 03 Mar 2016 11:03:55 -0700, Ian Kelly wrote:
>
>> On Thu, Mar 3, 2016 at 10:21 AM, alister <alister.ware at ntlworld.com>
>> wrote:
>>> On Thu, 03 Mar 2016 13:35:12 +1100, Chris Angelico wrote:
>>>> 1) No physical object can have negative mass.
>>>> 2) I am a part of the universe and have positive mass.
>>>> 3) I am not Kenneth.
>>>> 4) The sum of my mass and Kenneth's mass must exceed Kenneth's mass
>>>> alone.
>>>>
>>>> Unless someone wants to dispute 1 or 2, we can be logically certain.
>>>>
>>>> ChrisA
>>>
>>> Anti Matter?
>>
>> Antimatter has positive mass.
>
> Are you sure?
>  mix 1 atom of hydrogen + 1 of anti hydrogen & you end up with 0 mass (+
> LOTTS of energy)
>
> To be honest it is all over my head

Ah, I thought you were challenging 1) or 2), not 4). Anyway, we can
sum the mass of matter and antimatter without annihilating them.
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