Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: Zelos Malum can't even get the simplest logic correct.
Replies: 3   Last Post: Oct 4, 2017 12:09 PM

 Messages: [ Previous | Next ]
 Me Posts: 1,716 Registered: 1/23/16
Re: Zelos Malum can't even get the simplest logic correct.
Posted: Oct 4, 2017 12:08 PM

On Wednesday, October 4, 2017 at 11:38:08 AM UTC+2, John Gabriel wrote:
> On Wednesday, 4 October 2017 05:35:05 UTC-4, John Gabriel wrote:
> > On Wednesday, 4 October 2017 05:30:01 UTC-4, Me wrote:
> > > On Monday, October 2, 2017 at 5:14:52 PM UTC+2, John Gabriel wrote:
> > > >
> > > > What matters is that L={x|-1<pi}, U={x|5>pi} ...
> > > >

> > > You obviosuly got that wrong, John. I guess you meant
> > >
> > > L = {x e Q : -1 < x < pi} and U = {x e Q : pi < x < 4}
> > >
> > > here, right?

> >
> > YES.
> >

> > >
> > > ("{x|-1<pi}" and "{x|5>pi}" look rather strange, to say the least.)

>
> I am always tired.

I sorry to hear that, John.

> Errors like that sometimes evade me, but they are minor

Agree.

> and anyone with some brains can do an auto-correct.

Not necessarily. Moreover sometimes these errors are not just "typos" but "thinkos". THAT are the serious ones. Hence it's helful to ask if in in doubt.

But now it's clear that you aren't taking about a Dedekind Cut here, John.