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- Two-column proofs by
**Bob Hayden**on 01/23/95. - Re: Two-column proofs by
**John Conway**on 01/24/95. - Re: Two-column proofs by
**Lou Talman**on 01/24/95. - Re: Two-column proofs by
**Judy Roitman**on 01/24/95. - Re: Two-column proofs by
**Heidi Burgiel**on 01/24/95. - Re: Two-Column Proofs by
**Mark Saul**on 01/24/95. - Re: Two-column proofs by
**John Conway**on 01/24/95. - Re: Two-column proofs by
**John Conway**on 01/24/95. - Re: Two-Column Proof by
**John Conway**on 01/24/95. - Re: Two-column proofs by
**Walter Whiteley**on 01/24/95. - Re: Two-column proofs by
**Pat Ballew**on 01/25/95. - Re: Two-column proofs by
**Dave Wilson**on 01/25/95. - 2-col. proofs by
**Bob Hayden**on 01/25/95. - Formal Proofs in Geometry by
**Walter Whiteley**on 01/25/95. - 2-column proof example by
**Annie Fetter**on 01/25/95. - Re: 2-col. proofs by
**John Conway**on 01/25/95. - Re: Two-Column Proof by
**W Gary Martin**on 01/25/95. - Re: Two-column proofs by
**Lou Talman**on 01/25/95. - Re: 2-col. proofs by
**Michael Keyton**on 01/25/95. - Re: 2-col. proofs by
**John Conway**on 01/26/95. - Re: Two-column proofs by
**Michelle Manes**on 01/27/95. - Re: Two-column proofs by
**Andrei TOOM**on 01/27/95. - Re: Two-column proofs by
**Lou Talman**on 01/27/95. - Re: Two-column proofs by
**W Gary Martin**on 01/27/95. - Re: Two-column proofs by
**Andrei TOOM**on 01/27/95. - 2 column proofs by
**Ronda Delcamp (Lewandowski)**on 01/28/95. - Re: 2 column proofs by
**B. Overkamp**on 01/28/95. - Still two column proofs by
**John Benson**on 01/28/95. - Re: 2 column proofs by
**Scott Smith**on 01/28/95. - Re: 2 column proofs by
**Andrei Toom**on 01/29/95. - Re: Two-column proofs by
**John Conway**on 01/29/95. - Re: 2-col. proof by
**John Conway**on 01/29/95. - Re: 2 column proofs by
**John Conway**on 01/29/95. - Re: Two-column proofs by
**R. D. Foster**on 01/29/95. - Re: 2 column proofs by
**Dan Hirschhorn**on 01/30/95. - Re: Still two column proofs by
**Robin Mc Leod**on 01/30/95. - Re: Still two column proofs by
**John Conway**on 01/30/95. - Not quite two column proofs by
**Judy Roitman**on 01/30/95. - Re: 2 column proofs by
**W Gary Martin**on 01/30/95. - Re: 2-col. proofs by
**Bob Hayden**on 01/30/95. - Re: 2 column proofs by
**Gary Tupper**on 01/30/95. - Re: 2 column proofs by
**Walter Whiteley**on 01/31/95. - Re: 2 column proofs by
**John Conway**on 01/31/95. - Re: 2 column proofs by
**Walter Whiteley**on 01/31/95. - Proof in High school by
**John Benson**on 01/31/95. - 2-column proof by
**David Scott Powell**on 02/01/95. - Re: 2 column proofs by
**W Gary Martin**on 02/01/95. - 2-column proof by
**David Scott Powell**on 02/01/95. - Re: Proof in High school by
**Robin Mc Leod**on 02/01/95. - Re: 2 column proofs by
**Andrei TOOM**on 02/01/95. - Re: 2-column proof by
**William T. Webber**on 02/01/95. - Re: 2-column proof by
**John Conway**on 02/01/95. - Re: 2-column proof by
**Gary Tupper**on 02/02/95. - 2-column proof by
**David Scott Powell**on 02/02/95. - Re: 2-column proof by
**Henri Picciotto**on 02/02/95. - Re: 2 column proofs by
**Andrei TOOM**on 02/02/95. - Re: 2-column proof by
**Michelle Manes**on 02/02/95. - Re: 2-column proof by
**Dan Hirschhorn**on 02/02/95. - Re: 2-column proof by
**John Conway**on 02/02/95. - Re: 2-column proof by
**Michael Keyton**on 02/02/95. - Re: 2-column proof by
**Michelle Manes**on 02/02/95. - Re: 2-column proof by
**Jim Swiflt**on 02/02/95. - Re: Proof in High school by
**John Conway**on 02/03/95. - Re: 2-column proof by
**Bill Marthinsen**on 02/03/95. - Two-column proofs by
**WYATT WENDELL**on 02/03/95. - Two-column proofs by
**WYATT WENDELL**on 02/03/95. - 2-column proof by
**Mark Saul**on 02/05/95. - proving the obvious by
**Mark Saul**on 02/05/95. - Proofs in UK Schools by
**Jim Swift**on 02/07/95. - 2-column proofs: motivations/techniques by
**John Tant**on 02/12/95. - Re: 2-column proof by
**John Conway**on 02/12/95. - Re: 2-column proofs: motivations/techniques by
**David Scott Powell**on 02/14/95. - Re: Proofs in UK Schools by
**John Conway**on 02/14/95. - Re: 2-column proofs: motivations/techniques by
**LaVerta K Schmeling**on 02/17/95. - Re: 2-column proofs: motivations/techniques by
**Allan Mundsack**on 02/19/95. - Re: 2-column proofs: motivations/techniques by
**Lou Talman**on 02/20/95. - Re: 2-column proofs: motivations/techniques by
**Judy Roitman**on 02/20/95. - Re: 2-column proofs: motivations/techniques by
**Doris Schattschneider**on 02/21/95. - Re: 2-column proofs: motivations/techniques by
**Kathryn Garrett**on 02/21/95. - Re: 2-column proofs: motivations/techniques by
**John Tant**on 02/21/95. - A comment from Jan Hall by
**Sarah Seastone**on 06/20/95.

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12/02/96