query: What is the real definition of a “Set”?
positive_passages.docid: 40662
positive_passages.text: What is the definition of a set?
negative_passages.docid: 74860
negative_passages.text: Why is the empty set a subset of every set?
negative_passages.docid: 13282
negative_passages.text: In the category $\mathbf{Set}$ is "the product of an empty set of sets a one-element set"?
negative_passages.docid: 71976
negative_passages.text: Is every element on a set also a set?
negative_passages.docid: 41052
negative_passages.text: The set of real numbers and power set of the natural numbers
negative_passages.docid: 39020
negative_passages.text: Why is empty set an open set?
negative_passages.docid: 32296
negative_passages.text: Calling a space a set - abuse of terminology?
negative_passages.docid: 130771
negative_passages.text: Sets and the principle of inclusion and exclusion
negative_passages.docid: 24050
negative_passages.text: Characterization of the Closure of a Set
negative_passages.docid: 50150
negative_passages.text: Precise definition of the boundary set
negative_passages.docid: 123380
negative_passages.text: Built in support for sets in PHP?
negative_passages.docid: 68187
negative_passages.text: Is python's "set" stable?
negative_passages.docid: 47697
negative_passages.text: Russell's paradox: a set cannot contain its own powerset
negative_passages.docid: 36612
negative_passages.text: Strange set notation (a set as a power of 2)?
negative_passages.docid: 56637
negative_passages.text: In naive set theory ∅ = {∅} = {{∅}}?
negative_passages.docid: 50506
negative_passages.text: What concept does an open set axiomatise?
negative_passages.docid: 65316
negative_passages.text: Explaining Infinite Sets and The Fault in Our Stars