Blood and Law
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Tonight, I finally got to meet friends from cohost @tsiro (richard), @bcj, and @thricedotted (li) in person, along with their friend Mouse. I had a great time filled with a lot of laughter. One of the topics brought up was the online conference that bcj and many of their friends partake in, involving 5-to-10-minute presentations. When it became my turn to talk about a presentation idea, I mentioned the following means of counting familial relationships as my most-recently-workshopped bit that I believed I could stretch to 5-10 minutes.
In a family, each and every person is related by a linear combination of the following two characteristics:
- Blood
- Law
Blood
When two people are related by blood, that means they share "blood relatives" linked by nuclear family: biological parents (1 step up the tree), biological children (1 step down the tree), or biological siblings (1 step over on the tree). We can determine the number of blood steps[1] for other specially-named relatives too, like great-grandparent (3 blood steps up), cousin (1 blood step up, 1 over, 1 down), or nephew (1 blood step over, 1 down). In each case, we aim to produce the shortest path between the…