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    $\mathscr{N}_{yoho}$ (nyoho@mathtod.online)'s status on Wednesday, 04-Jan-2023 20:20:22 JST$\mathscr{N}_{yoho}$$\mathscr{N}_{yoho}$
    • かき@GNUsocialJP

    $\mathbb{C}$ は、実数係数の $x$ の多項式全体を $x^2+1$ が $0$ になるように割って作るのが簡単ですしそもそもの動機通りですし筋が良いんじゃないかな〜と思います。

    In conversationWednesday, 04-Jan-2023 20:20:22 JST from mathtod.onlinepermalink
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GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.

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