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.
I'll have none of you fellows dangiing about here; my daughter is off to Cairo, so is the old woman, and I guess that she was hitched to Elisha Kent yesterday! Now take your hook.
Nyah-nyah! they all shouted. "Your name's not McCloy! You're Gerald McBoing Boing, the noise-making boy!'
Nyah-nyah!
See also: PIE
アカウントを持っていませんか？ 新規登録
アカウントを持っていますか？ ログイン
DiQt（ディクト）
無料
★★★★★★★★★★
