Talk:Point (geometry): Difference between revisions
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imported>Paul Wormer (→Error) |
imported>Boris Tsirelson (→Error: reply) |
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:Right, an amazing error. Maybe he means planes with linearly independent normals?--[[User:Paul Wormer|Paul Wormer]] 08:41, 5 April 2010 (UTC) | :Right, an amazing error. Maybe he means planes with linearly independent normals?--[[User:Paul Wormer|Paul Wormer]] 08:41, 5 April 2010 (UTC) | ||
::This would be a correct formulation. However, is it helpful? The property to have linearly independent normals is not at all simpler than the property to have a single common point. [[User:Boris Tsirelson|Boris Tsirelson]] 11:41, 5 April 2010 (UTC) | |||
Latest revision as of 05:41, 5 April 2010
Error
"Any three planes such that no plane is parallel to either of the other two will intersect at a single point" — not at all; take a line and three planes containing this line... Boris Tsirelson 19:14, 4 April 2010 (UTC)
- Right, an amazing error. Maybe he means planes with linearly independent normals?--Paul Wormer 08:41, 5 April 2010 (UTC)
- This would be a correct formulation. However, is it helpful? The property to have linearly independent normals is not at all simpler than the property to have a single common point. Boris Tsirelson 11:41, 5 April 2010 (UTC)