 | Julian Havil - 2008 - 249 Seiten
...the fifth postulate was at least cumbersome: That, if a straight line falling on two straight lines make the interior angles on the same side less than two right angles, the two straight lines, if produced indefinitely, meet on that side on which are the angles less than... | |
 | John Bryant, Christopher J. Sangwin - 2008 - 352 Seiten
...right angles are equal to one another, and 5. that if a straight line falling on two straight lines make the interior angles on the same side less than two right angles, the two straight lines, if extended indefinitely, meet on that side on which the angles are less than... | |
 | Saul Stahl - 2008 - 270 Seiten
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