regular closed

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English[edit]

Etymology[edit]

Apparently a backformation from regular closed set.

Adjective[edit]

regular closed (not comparable)

  1. (rare, mathematics, of a set) Being the closure of its interior.
    The set {0,1,2} is closed, but is not regular closed, because its interior is Ø, so the closure of its interior is Ø.

See also[edit]

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