A rectangle is a square if and only if all four of its sides have the same length.
To Crates and Dicæarchus it seemed that there was none at all;[…] To Plato, that it was a substance moving of it selfe: To Thales, a Nature without rest; To Asclepiades, an exercitation of the senses[…].
an organ loft
.
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
★★★★★★★★★★