Unverified50% confidenceFactExact time
There exists a well-known false proof claiming that all triangles are isosceles, which relies on an incorrectly drawn figure.
1
Sources
50%
Confidence
Long-term
Relevance
10/12/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe false proof is constructed by finding point P, the intersection of the angle bisector and the perpendicular bisector of the opposite side in triangle ABC, then drawing perpendiculars to the two sides to derive that AB = AC.70% similarUnverifiedSquare markers naturally resolve the flip ambiguity problem through their internally asymmetric binary patterns65% similarUnverifiedA circle projects precisely into an ellipse under any perspective transformation, and the mathematics from conic sections to pose is a closed-form solution that does not require corner detection65% similarUnverified黑塞配置不能在实平面上实现，因为椭圆曲线在实平面上至多有3个实拐点，而在复平面上恰好有9个59% similarUnverified几何内核最棘手的问题是数值鲁棒性，浮点误差在布尔运算中可能产生退化边或非流形拓扑55% similar
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