 | Elisha Mitchell Scientific Society (Chapel Hill, N.C.) - 1907 - 212 Seiten
...those who sought to substitute a new definition of parallels for Euclid's, which reads (I, Def . 35) : ''''Parallel straight lines are such as are in the...which being produced ever so far both ways do not meet.'1'' To cite a few classic definitions, Wolf, Boscovich, and T. Simpson use the following: "Straight... | |
 | 1853 - 1068 Seiten
...Alumina . . . 31-87 Glucina . . . 21-43 Peroxide of iron . 1-31 Peroxide of tin . •35 " Parallel right lines are such as are in the same plane, and which, being produced continually in both directions, would never meet." Adopting this definition, we are forced to give... | |
 | Popular educator - 1860 - 424 Seiten
...figure Is called a trapezoid. XXXV. Parallel straight lines are __ such as are in the sameplane, _ and which being produced ever so far both ways do not meet. The meaning of this definition le, that the space between the .ines Is always of the same breadth.... | |
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Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet. 
