1. GRAMMAR is both a SCIENCE and an ART. 2. As a SCIENCE, it investigates the principles of language in general. When thus used, it is denominated GENERAL or UNIVERSAL GRAMMAR; and sometimes COMPARATIVE GRAMMAR.
3. As an ART, it teaches the right method of applying these principles to a particular language, so as to express our thoughts in a correct and proper manner, according to established usage. App. I
4. ENGLISH GRAMMAR is the art of speaking and writing the English language with propriety.
5. GRAMMAR is divided into four parts; namely, Orthography, Etymology, Syntax, and Prosody. 6. Orthography treats of letters and syllables, Etymology, of words; Syntax, of sentences; and Prosody, of elocution and versification.