[Off-topic] Requests author discusses MentalHealthError exception

[Ian Kelly]

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.