'Rudimentary' in the Bible

See to it that no one takes you captive through philosophy and empty deception [pseudo-intellectual babble], according to the tradition [and musings] of mere men, following the elementary principles of this world, rather than following [the truth—the teachings of] Christ.

If you have died with Christ and have escaped from the world's rudimentary notions, why, as though your life still belonged to the world, do you submit to such precepts as