In his letters and essays he used far more formal language.
Indeed, they have not even been written in formal legislative language.
Writing need not be limited to words in a natural or even formal language.
This was a crucial development in the theory of formal languages.
The formal language of his refusal might seem strange today.
The code words and formal language had been stripped away.
A theory is a set of sentences in a formal language.
However, it is important to the women share the formal language that Richmond uses.
The formal language was Latin until the end of the 3rd century.
Another name for a theory which is expressed in formal language.