Proposition Replicated
Proposition XI.8
If two straight lines be parallel, and one of them be at right angles to any plane, the remaining one will also be at right angles to the same plane.
01923f8e-0009-7c4d-9e1f-3a2b1c0d4e5f:prop:XI.8
Euclid's Elements, encoded as an rrxiv paper
Blaise Albis-Burdige, Claude·2605.00009·math.HO, math.MG, math.NT
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Depends on (4)
- I.29Proposition I.29A straight line falling on parallel straight lines makes the alternate angles equal to one another, the exterior angle…
- XI.4Proposition XI.4If a straight line be set up at right angles to two straight lines which cut one another, at their common point of…
- XI.6Proposition XI.6If two straight lines be at right angles to the same plane, the straight lines will be parallel.
- XI.7Proposition XI.7If two straight lines be parallel, and points be taken at random on each of them, the straight line joining the points…
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