 | Euclides - 1852 - 152 σελίδες
...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; AB is parallel to CD. For, if it be not parallel, AB and CD being produced shall meet either towards... | |
 | Euclides - 1853 - 146 σελίδες
...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 ; AB is parallel to CD. / V For, if it be not parallel, AB and CD being produced, shall meet either... | |
 | Royal Military Academy, Woolwich - 1853 - 400 σελίδες
...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 ; AB is parallel to CD. For, if it be not parallel, AB and CD being produced shall meet either towards... | |
 | Euclides - 1862 - 140 σελίδες
...Prop. I. 16; def. 34.) Hypothesis. — Let the straight line EF, which falls upon the two straight lines AB, CD, make the alternate angles AEF, / EFD, equal to one another. / Sequence. — AB shall be parallel / to CD. AB/ B Hypothesis.— (II.) For if AB / ^ and CD be not... | |
 | Euclides - 1864 - 448 σελίδες
...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, then AB and CD being produced will... | |
 | Euclides - 1865 - 402 σελίδες
...parallel. (References— Prop. I. 16; def. 35.) 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. AE/ B CONSTRUCTION For, if AB be not parallel to CD, AB and CD being... | |
 | Robert Potts - 1865 - 528 σελίδες
...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.^B. shall be parallel to CD. AB/ B ~ For, if AB be not parallel to CD, then AB and CD being produced... | |
 | Euclid, Isaac Todhunter - 1867 - 426 σελίδες
...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 : AH shall be parallel to CD. For if not, AB and CD, being produced, will meet either towards B, D... | |
 | Robert Potts - 1868 - 434 σελίδες
...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 anothei Then AB shall be parallel to CD. For, if AB be not parallel to CD, then AB and CD being produced... | |
 | Henry Major - 1873 - 588 σελίδες
...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... | |
| |
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. 
