#Union of the empty set.

6 messages · Page 1 of 1 (latest)

agile blaze
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The union of the empty set does not exist, correct? But I've seen some videos claim that ∪∅ = ∅ which should violate the ZFC axioms.

cold gustBOT
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polar yacht
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The union of any set doesn't make sense. Union requires two sets. You can say the union of the empty set with itself is empty, though.

agile blaze
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This is from the union axiom

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+close