Okay that paper doesn’t seem like what I was thinking of either but it references this paper which does seem to be on-topic: https://research.rug.nl/en/publications/justification-by-an-infinity-of-conditional-probabilities
Okay that paper doesn’t seem like what I was thinking of either but it references this paper which does seem to be on-topic: https://research.rug.nl/en/publications/justification-by-an-infinity-of-conditional-probabilities