Unverified50% confidenceFactExact time
西尔维斯特-加莱定理指出：平面上给定有限个点，如果它们不全在同一条直线上，那么必然存在一条恰好只穿过其中两个点的直线（普通直线）
1
Sources
50%
Confidence
Long-term
Relevance
8/8/2026
First Seen
Sources
Related Claims
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