elementary equivalence
An island in the United States Virgin Islands.
(logic) A relation between two structures which have the property that every first-order formula is valid in one structure if and only if it is valid in the other.
Alternative form of durmast oak, a species of tree.
plural of biotrack
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
★★★★★★★★★★