This perpendicularity we demand of all the figures in this picture of life.
The sense of perpendicularity, however, should constantly be cultivated.
Your argument about the perpendicularity of the dike strikes me as good.
Parallell-equality is derived from perpendicularity, and is of neere affinity to it.
Perpendicularity was in the former attributed to lines considered in a surface.
There is a curious sense of perpendicularity about these mountain rhapsodies.
In the conscious reasoning of both, however, is the condition of perpendicularity.
This is the fundamental property which forms the definition of perpendicularity.
We determine our perpendicularity by the apparent motions of objects.
Here it is necessary, that we should be habituated to both these modes of motion in order to preserve our perpendicularity.