The theoretical side of this is quite straightforward, once you understand the principle.

Egyptian multiplication contained two aspects, a theoretical side, and a practical side.

More on a more theoretical side, H3O+ is really a formalism, isn't it?

On the theoretical side, fundamental questions of entanglement and its characterization are investigated.

Umesao's work was not limited to the theoretical side of scholarship.

The subject has a theoretical side and a practical side.

The theoretical side of that is something I could assimilate, but it will take months.

I began on the theoretical side.

I can't wait to finish my master's so somebody will hire me to work on the theoretical side of sorcery.

As to the theoretical side, he perceived three stages in the cycle of the bugs.