Just to add fuel to the fire, and go a bit beyond mere grammar/lexical
concerns if I may, there is some discussion in some Second Temple
Judaisms regarding the inspiration of some Scriptures-BUT inspiration was
not taken as the criteria for canonical status, which differs from the
developed Christian position centuries later, and certainly how most
Christians think of it today.
At the same time, the term GRAFH in the generic sense does simply mean
"writing", but I would argue that plainly here it is used in the
technical sense, "Scripture" (after all the Latin word means "writing" as
well), and is well attested in that usage in Paul's writings, in the NT,
and in Christian and Jewish sources generally.
If you want citations, I'll provide them offlist.
Rocky Mountain College