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对于在区间 I 上连续且单射的 f ,证明 f^(-1) 也连续。(通过图像的直观论证 — 形式化在第41课。)
对于在区间 I 上连续且单射的 f ,证明 f^(-1) 也连续。(通过图像的直观论证 — 形式化在第41课。)
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