It sounds like the symbol "≹" just means "incomparable", which is a well-known concept in math. https://en.wikipedia.org/wiki/Comparability https://en.wikipedia

It sounds like the symbol "≹" just means "incomparable", which is a well-known concept in math. https://en.wikipedia.org/wiki/Comparability https://en.wikipedia.org/wiki/Comparability This symbol for it may be useful, but it's the concept that matters.