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And/or is just a way to express non-exclusive or, because or is very often used as exclusive or in natural language. I would parse "A, B, C and/or D" as "(A AND B AND C) OR D". Alternatively, if it is supposed to mean "A and/or B and/or C and/or D" then it just means "A OR B OR C OR D".


In physics, ordering is a quality. Bosons can be in the same groundstate, making them interchangeable, fermions not & can't. Basically all of chemistry results from electrons being fermions, & protons not. Entropy is another property of ordering, with profound implications for qualities, for dynamics. We see emergent synergies, where a critical ...

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