For now, let’s refer to a vector such as \(\to e\), with the arrow coming in, simply as a “vector,” and the type like \(c \to\) as a “covector.” In the one-dimensional example of the earth and the cuc...For now, let’s refer to a vector such as \(\to e\), with the arrow coming in, simply as a “vector,” and the type like \(c \to\) as a “covector.” In the one-dimensional example of the earth and the cuckoo clock, the roles played by the two things were completely equivalent, and it didn’t matter which one we expressed as a vector and which as a covector.
