It seems pretty straightforward. Just apply basic set theory. XR are two separate organisations with their own members. However, there is an intersection between them that includes members from both groups, ok? That may include subsets of major investigators in one or both organisations. Seems pretty straightforward, yes? But that doesn't mean they're the same organisation, does it! Just revert to simple 'O' level maths :-)
Michael Ixer ● 1341d