I thought you were Rabbinical Jewish. Or are you a Noahide?
The Noahide "laws" are found in the Babylonian Talmud -- note the Bablyonian Talmud, a source of your Oral Torah
Sorry for the delay-- busy week and getting over covid, Baruch Hashem. I found an updated flow chart for you.
I'm sure you've heard of the classical scriptural proofs Torah Jews use. There are a lot of summaries. Here is one such compilation. Shavua tov.
https://www.aishdas.org/student/oral.htm