Maybe instead of handling your example, because the context is not always relevant, let's look at possible groupings of the symbols. For example, if we are. I have encountered this when referencing subsets and vector subspaces.
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After looking at the wikipedia article on topological space, i still cannot grasp intuitively what topological space is. For example, t span(s) should mean that t is. Other symbols i have seen used for is defined to be equal to are three horizontal lines instead of two, and $=$ with either a triangle or.