| The Syntaxis Mathematica consists of thirteen sections, called books. |
| In recent years Cambrian trilobites and brachiopods have been discovered in Bhutan, close to the eastern syntaxis of the Himalaya. |
| Much of what we know about the work of astronomers like Hipparchus comes from references in the Syntaxis. |
| In contrast to the mathematical Syntaxis, the Planetary Hypotheses is sometimes described as a book of cosmology. |
| An example illustrating how the Syntaxis was organized is given below. |
| The Syntaxis adopted Hipparchus' solar model, which consisted of a simple eccentric deferent. |
