As a matter of course and And so

And so and as a matter of course are semantically related. In some cases you can replace phrase "And so" with "As a matter of course", this phrases are similar.

And so adverb - Subsequently or soon afterward (often used as sentence connectors).

As a matter of course and and so are semantically related. Sometimes you can replace phrase "As a matter of course" with "And so", this phrases are similar.