 | Ivor Grattan-Guinness, Gerard Bornet - Mathematics - 1997 - 310 pages
...that all right angles are equal to one another. 5. And that if a straight line meet two other straight lines so as to make the two interior angles on the...it taken together less than two right angles these straight lines being continually produced shall meet on that side on which are the angles which are... | |
 | New Zealand Institute - Science - 1886 - 532 pages
...parallel-axiom mentioned in my paper. Form (a), (Euclid's) is : — " If a straight line meets two straight lines, so as to make the two interior angles on the...it taken together less than two right angles, these straight lines being I continually produced shall at length meet upon that side on which are the angles... | |
 | Mathematicians - 1896 - 742 pages
...angles AKH and CfJK equal to two right angles. QED PROPOSITION XI. If a straight line meet two straight lines so as to make the two interior angles on the same side of it taken tdgethcr less than two light angles, these straight lines, being continually produced, shall at length... | |
 | James Gow - 380 pages
...lines cannot enclose a space: 11. All right angles are equal: 12. If a straight line meet two straight lines, so as to make the two interior angles on the same side of it together less than two right angles, these straight lines will meet if produced on that side. Of these... | |
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If a straight line meets two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles... 
