Initially, I recognized 'as with' as a fixed meaning of 'in the same way as'. But in
In the verbal construction, more follows the head rather than preceding it, as with adjectives and adverbs. Compare, then :It was more enjoyable than usual and I enjoyed it more than usual.
the meaning(in the same way as:) seems not to pass-*preceding it in the same way as adjectives and adverbs. The genuine meaning is 'more follows the head rather than preceding it like preceding adjectives and adverbs.'
In "as with" grammar and meaning in a sentence:
Symbolic logic is a mathematical model of deductive thought; as with other branches of mathematics it has grown beyond the circumstances of its birth.
it too has no 'in the same way as' reading:
As far as it (Symbolic logic) is with other branches of mathematics, it has grown beyond the circumstances of its birth.
But, in
As with other traditional grammarians, Poutsma's most significant classification of adverbials was by meaning, and he indicated that adverbial adjuncts could be divided into those of place, time, causality, and manner.
'as with' here has a 'in the same way as' reading.
So, does the meaning of 'as with' depend on context or the position , introductory or after commas, that 'as with' takes?