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Topic: § 488 Who said this?
Replies: 187   Last Post: May 7, 2014 10:06 AM

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Virgil

Posts: 9,012
Registered: 1/6/11
Re: � 488 Who said this?
Posted: May 2, 2014 5:12 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

In article <6670f6a9-4a4c-4df9-a0c6-938dd2857651@googlegroups.com>,
Dan Christensen <Dan_Christensen@sympatico.ca> wrote:

> On Friday, May 2, 2014 3:56:22 PM UTC-4, Virgil wrote:
>

> > > So, get busy, WM! Start by fully understanding what a formal proof is.
> >
> > > Imagine that a computer, without any knowledge of the outside world is
> >
> > > checking your proof against a pre-determined list of rules and axioms.
> > > Every

> >
> > > line must be justified by citing exactly one of them. My software may
> > > help

> >
> > > you help you get into the right mindset.
> >
> >
> >
> > Is it not possible to have one line involving more than one rule and/or
> >
> > axiom at a time in your system?
> >

>
> No. That is the nature of formal proof. If you have a formal proof, you know
> exactly what rules, axioms and assumptions were used. That's why any
> important foundational issues such as we are discussing here really have to
> be resolved by formal proof. You don't want hidden assumptions sneaking in.


While it may well be possible, and even idea in some ways, to build a
proof structures in which each line only applies one rule, most everyday
proofs do not do so, so the NECESSITY of a "one line, one rule" rule is
not clearly established.
>
> Dan
> Download my DC Proof 2.0 software at http://www.dcproof.com
> Visit my new Math Blog at http://www.dcproof.wordpress.com

--




Date Subject Author
4/29/14
Read § 488 Who said this?
mueckenh@rz.fh-augsburg.de
4/29/14
Read Re: � 488 Who said this?
Virgil
4/29/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
4/29/14
Read Re: � 488 Who said this?
Virgil
4/29/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
4/29/14
Read Re: � 488 Who said this?
Virgil
4/29/14
Read Re: � 488 Who said this?
FredJeffries@gmail.com
4/29/14
Read wTf
Brian Q. Hutchings
4/29/14
Read Re: � 488 Who said this?
Virgil
4/29/14
Read Re: � 488 Who said this?
Brian Q. Hutchings
4/30/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
4/30/14
Read Re: � 488 Who said this?
Virgil
4/30/14
Read Re: § 488 Who said this?
thenewcalculus@gmail.com
4/30/14
Read Re: § 488 Who said this?
FredJeffries@gmail.com
4/30/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
4/30/14
Read Re: § 488 Who said this?
FredJeffries@gmail.com
4/30/14
Read Re: � 488 Who said this?
Virgil
4/30/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
4/30/14
Read Re: § 488 Who said this?
FredJeffries@gmail.com
5/1/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/1/14
Read Re: § 488 Who said this?
FredJeffries@gmail.com
5/1/14
Read Re: § 488 Who said this?
FredJeffries@gmail.com
5/1/14
Read Re: � 488 Who said this?
Virgil
4/30/14
Read Re: � 488 Who said this?
Virgil
4/30/14
Read Re: � 488 Who said this?
Ralf Bader
4/30/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
4/30/14
Read Re: � 488 Who said this?
Virgil
4/30/14
Read Re: § 488 Who said this?
Ralf Bader
5/1/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/1/14
Read Re: � 488 Who said this?
Virgil
4/30/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
4/30/14
Read Re: � 488 Who said this?
Virgil
5/1/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/1/14
Read Re: � 488 Who said this?
Virgil
5/1/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/1/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/2/14
Read Re: ï¿∏ 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/2/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/2/14
Read Re: � 488 Who said this?
Virgil
4/30/14
Read Re: � 488 Who said this?
Virgil
5/1/14
Read Re: § 488 Who said this?
Dan Christensen
5/1/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/2/14
Read Re: § 488 Who said this?
Dan Christensen
5/2/14
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Peter Percival
5/2/14
Read Re: § 488 Who said this?
Dan Christensen
5/2/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: § 488 Who said this?
Dan Christensen
5/2/14
Read Re: § 488 Who said this?
Dan Christensen
5/2/14
Read Re: § 488 Who said this?
Peter Percival
5/2/14
Read Re: § 488 Who said this?
Roland Franzius
5/2/14
Read Re: § 488 Who said this?
Dan Christensen
5/2/14
Read Re: § 488 Who said this?
Peter Percival
5/2/14
Read Re: § 488 Who said this?
Dan Christensen
5/2/14
Read OT: Lord Longford (was Re: § 488 Who
said this?)
Robin Chapman
5/2/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/2/14
Read Re: § 488 Who said this?
Dan Christensen
5/2/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/2/14
Read Re: § 488 Who said this?
Dan Christensen
5/2/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
Dan Christensen
5/2/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
Dan Christensen
5/2/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
Dan Christensen
5/3/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/3/14
Read Re: � 488 Who said this?
Dan Christensen
5/3/14
Read Re: � 488 Who said this?
Dan Christensen
5/3/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/3/14
Read Re: � 488 Who said this?
Dan Christensen
5/3/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/3/14
Read Re: � 488 Who said this?
Dan Christensen
5/3/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Virgil
5/6/14
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ross.finlayson@gmail.com
5/4/14
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mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Dan Christensen
5/4/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Dan Christensen
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: � 488 Who said this?
Brian Q. Hutchings
5/3/14
Read Re: � 488 Who said this?
Brian Q. Hutchings
5/3/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/2/14
Read Re: § 488 Who said this?
Dan Christensen
5/2/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/3/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: § 488 Who said this?
Tucsondrew@me.com
5/2/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/3/14
Read Re: § 488 Who said this?
Tucsondrew@me.com
5/3/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/3/14
Read Re: § 488 Who said this?
Tucsondrew@me.com
5/3/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/3/14
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Tucsondrew@me.com
5/4/14
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mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: § 488 Who said this?
Tucsondrew@me.com
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
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Virgil
5/4/14
Read Re: § 488 Who said this?
Tucsondrew@me.com
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: § 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: § 488 Who said this?
Tucsondrew@me.com
5/4/14
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Virgil
5/5/14
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Virgil
5/3/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/2/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/2/14
Read Re: � 488 Who said this?
Virgil
5/2/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/2/14
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Virgil
5/3/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/3/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/3/14
Read Re: � 488 Who said this?
Tucsondrew@me.com
5/4/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Tucsondrew@me.com
5/4/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Tucsondrew@me.com
5/5/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/5/14
Read Re: � 488 Who said this?
Virgil
5/5/14
Read Re: � 488 Who said this?
Tucsondrew@me.com
5/5/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Tucsondrew@me.com
5/4/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Dan Christensen
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Tucsondrew@me.com
5/5/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/5/14
Read Re: � 488 Who said this?
Tucsondrew@me.com
5/5/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/5/14
Read Re: � 488 Who said this?
Virgil
5/5/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Brian Q. Hutchings
5/3/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/3/14
Read Re: � 488 Who said this?
Tucsondrew@me.com
5/4/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Tucsondrew@me.com
5/4/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Tucsondrew@me.com
5/4/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Tucsondrew@me.com
5/5/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
Virgil
5/3/14
Read Re: � 488 Who said this?
Virgil
5/4/14
Read Re: � 488 Who said this?
mueckenh@rz.fh-augsburg.de
5/4/14
Read Re: � 488 Who said this?
Dan Christensen
5/4/14
Read Re: � 488 Who said this?
Virgil
5/7/14
Read Re: § 488 Who said this?
thenewcalculus@gmail.com

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