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Say I have three settlements: A, B, and C

A has all my wood. B has all my steel. C has all my rubber.

Now if I set up a supply line from B to A and from C to A, A has access to all three. But does B or C have access to all three? Or do I need to also set up a supply line from B to C?

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1 Answer 1

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Yes, supply lines are commutative and transitive. Reflexive too, I suppose. This makes it an equivalence relation, meaning that you can see the same supplies at all connected settlements.

In other words, if you set up a supply line from Sanctuary to the Red Rocket Station, and one from the Red Rocket Station to the Starlight Drive-In, you can access the supplies from all three locations at all three locations.

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  • Oh boy. I did not know this and have a tangled web of provisioners.
    – Mike Cole
    Commented Jan 2, 2016 at 14:06
  • 4
    @MikeCole Perhaps you had a complete graph? A connected graph is sufficient. It's nice when all those math classes actually help someone.
    – DCShannon
    Commented Jan 3, 2016 at 17:52
  • Yep, the complete graph is what I was aiming for. I started reassigning provisioners when I saw them in camps. Gonna be a mess to clean up. Related: when you reassign a Provisioner, their name doesn't change back to Settler.
    – Mike Cole
    Commented Jan 4, 2016 at 15:32
  • I have a math degree, thank you for explaining like this
    – galois
    Commented Jun 18, 2016 at 2:15
  • I just connect every location to sanctuary hill. It's not like travel speed affects them. Traffic in front of santuary hill might become a bit grid locked.
    – BlueWizard
    Commented Feb 19, 2018 at 7:32

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