[MD] self: agent of action & thinker of thoughts

118 ununoctiums at gmail.com
Tue Aug 30 06:59:22 PDT 2011


I am not sure if undefined is the right word, since undefined things can exist.  What are your thoughts on this Steve?

Mark

On Aug 28, 2011, at 8:06 PM, Steven Peterson <peterson.steve at gmail.com> wrote:

> Hi Joe,
> 
> To say that 6/2=3 is to say that 3*2=6. In general to say that a/b=c
> means that b*c=a.Therefore, to say that 2/0=c (for some c) would mean
> that 0*c=2. But 0 times anything would be 0. There is nothing we could
> multiply 0 by to get 2, so 2/0 is undefined.
> 
> Best,
> Steve
> 
> On Sun, Aug 28, 2011 at 10:24 PM, Joseph  Maurer <jhmau at comcast.net> wrote:
>> Hi Mark,
>> 
>> How can you  add, subract, multiply 1 by 0, and not divide 1 by 0?  A
>> failure in rigorous logic?
>> 
>> Joe
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