| Euclides - 1874
...these two straight lines shall be parallel. Let the straight line EF, which falls upon the two straight **lines AB, CD, make the alternate angles AEF, EFD, equal to one another.** Then AB shall be parallel to CD. Construction. For, if AB be not parallel to CD, then AB and CD being... | |
| Robert Potts - Geometry, Plane - 1876 - 403 pages
...these two straight lines shall be paralkl. Let the straight line EF, which falls upon the two straight **lines AB, CD, make the alternate angles AEF, EFD, equal to one another.** Then AB shall be parallel to CD. For, if AB be not parallel to CD, then AB and CD being produced will... | |
| Āryabhaṭa - 1878
...lines, it makes the alternate angles equal. Let tho straight lino EF, which fulls upon the two straight **lines AB, CD, make the alternate angles AEF, EFD, equal to one ~ ~another.** Then AB shall be parallel * to CD. ° For, if AB be not parallel to CD, AB and CD being produced will... | |
| Moffatt and Paige - 1879
...these two straight lines shall be parallel. Let the straight line EF, which falls on the two straight **lines AB, CD, make the alternate angles AEF, EFD equal to one another.** Then AB shall be parallel to C D. IF o For, if AB be not parallel to CD, AB and CD, being produced,... | |
| Isaac Todhunter - Euclid's Elements - 1880 - 400 pages
...straight lines shall be parallel to one another. Let the straight line EF, which falls on the two straight **lines AB, CD, make the alternate angles AEF, EFD equal to one another** : AB shall be parallel to CD. For if- not, AB and CD, being produced, will meet either towards B, D... | |
| Euclides - 1881
...thete two liraight linen are parallel. Let the straight line EF, which falls upon the two straight **lines AB, CD, make the alternate angles AEF, EFD equal to one another.** Then AB / shall be parallel to C D. ± '*- * For, if AB be not parallel to CD, AB / and CD being produced... | |
| Education - 1882
...The particular enunciationof 1.27 is, ' Let the straight line EF' which falls upon the two straight **lines AB, CD, make the alternate angles AEF, EFD equal to one another** ; then AB shall be parallel to CD.' 3. Prop. 32, Bk. I. Algebra. i. Substituting figures for letters,... | |
| Euclid, Isaac Todhunter - Euclid's Elements - 1883 - 400 pages
...ttraight lines shall be parallel to one another. Let the straight line EF, which falls on the two straight **lines AB, CD, make the alternate angles AEF, EFD equal to one another** : AB shall be parallel to CD. For if not, AB and CD, being produced, will meet either towards B, D... | |
| Euclides - 1884
...these two straight lines shall be parallel. Let the straight line EF, which falls upon the two straight **lines AB, CD, make the alternate angles AEF, EFD equal to one another.** Then AB shall be parallel to CD. For, if AB be not parallel to CD, AB and CD being produced will meet... | |
| Stewart W. and co - 1884
...these two straight lines shall beparallel. Let the straight line EF, which falls upon the two straight **lines AB, CD, make the alternate angles AEF, EFD, equal to one another** ; AB is parallel to CD. For, if it be not parallel, AB and CD being produced shall meet either towards... | |
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