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Due to a variety of well-stated arguments which you will probably see posted on this topic, we do not allow Mind Blank to protect against See Invisibility. See Invisibility does not target you specifically. It allows an individual to see all invisible creatures or objects within a given cone-shaped range. Mind Blank protects you against scrying and divination magic that would specifically show your location. See Invisibility is not a divination that specifically shows location and neither is True Seeing (which simply allows a person to see all things as they truly are).
I would limit the protection of Mind Blank to divination spells that target you individually such as Discern Location, scrying, and other such types of divination magic that target you as an individual.
Non-detection is the more appropriate spell to defeat See Invisibility and True Seeing.