#fun fact: the space of rational numbers is homeomorphic to both its own iterated disjoint union and iterated product
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A topological space that's irreducible wrt the disjoint union operation is called 'connected', but I don't think there's a word for a space that can't be written as a nontrivial product of topological spaces
#math#fun fact: the space of rational numbers is homeomorphic to both its own iterated disjoint union and iterated product#i can't find if there's a name for the theorem that states it's the unique countable metrizable space w/o isolated points#seems like there should be
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