Words similar to element--for

Example sentences for: element--for

How can you use “element--for” in a sentence? Here are some example sentences to help you improve your vocabulary:

I would focus on a single mind-bending element--for example, that the Klein bottle's neck (roughly speaking) folds back into its body, making inner and outer a single surface and the whole a two-dimensional object however much airspace it might occupy--and send myself on a little psychedelic journey contemplating the paradox.