outlandkarasu

「ゲーデル、エッシャー、バッハ」読書会を始めました。数学基礎論を中心に様々な話題を扱う大きな本です。興味のある方はお気軽にご参加ください。 https://t.co/Y6klFxeEZr DoorKeeper https://t.co/SK3uReTBdJ

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dlang

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Financial Contributor since November 2018

Amount contributed $160

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dlang

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$160.00 USD

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