image transcription:
an image incorporating two famous memes. on top is the title "learning about Σ* in theory of computation."
in the centre is a close-up of Chad face – often used when talking about sigma males – cropped in a five-pointed star shape.
below are two soyjaks pointing towards the aforementioned Chad face. those soyjaks are labeled "me" and "my brain".
They don't have anything to do with alphabets in theory of computation...
correct, but will come up if OP chooses to study measure-theoretic probability theory