So and To such an extent

So adjective - Being in agreement with the truth or a fact or a standard.

To such an extent and so are semantically related. In some cases you can use "To such an extent" instead the word "So" as an adverb or a conjunction.

So and to such an extent are semantically related. You can use "So" instead the phrase "To such an extent" as a conjunction or an adverb.