Writing that adheres strictly to a set symbolic scheme falls into the category of?

Writing that adheres strictly to a set symbolic scheme falls into the category of formal writing.

Here's why:

* Formal writing emphasizes precision, clarity, and adherence to established conventions. This includes using a specific vocabulary, sentence structure, and often a standardized symbolic system.

* Examples: Scientific papers, legal documents, mathematical proofs, programming code, and even some forms of poetry adhere to strict symbolic schemes.

Let me know if you'd like to explore any specific types of formal writing in more detail!