About: Invariant basis number

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In mathematics, more specifically in the field of ring theory, a ring has the invariant basis number (IBN) property if all finitely generated free left modules over R have a well-defined rank. In the case of fields, the IBN property becomes the statement that finite-dimensional vector spaces have a unique dimension.

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  • In mathematics, more specifically in the field of ring theory, a ring has the invariant basis number (IBN) property if all finitely generated free left modules over R have a well-defined rank. In the case of fields, the IBN property becomes the statement that finite-dimensional vector spaces have a unique dimension. (en)
  • 数学、具体的には環論において、環が invariant basis number (IBN) property を持つとは、R 上のすべての有限生成自由左加群が well-defined な階数（ランク）を持つことをいう。体の場合には、IBN property は有限次元ベクトル空間は一意的な次元を持つという主張になる。 (ja)
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  • Proof (en)
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  • In mathematics, more specifically in the field of ring theory, a ring has the invariant basis number (IBN) property if all finitely generated free left modules over R have a well-defined rank. In the case of fields, the IBN property becomes the statement that finite-dimensional vector spaces have a unique dimension. (en)
  • 数学、具体的には環論において、環が invariant basis number (IBN) property を持つとは、R 上のすべての有限生成自由左加群が well-defined な階数（ランク）を持つことをいう。体の場合には、IBN property は有限次元ベクトル空間は一意的な次元を持つという主張になる。 (ja)
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  • Invariant basis number (en)
  • Invariant basis number (ja)
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