pons asinorum
The term "pons asinorum," meaning 'bridge of asses' in Latin, originally referred to a specific geometric proposition but has evolved to describe various intellectual challenges.
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Definition
C2Geometry
(technical, academic)The fifth proposition in Euclid's Elements, stating that the angles at the base of an isosceles triangle are equal.
Example
- Many students struggle with the pons asinorum when first encountering Euclidean geometry.
C2Logic
(technical, academic)A method for identifying the middle term of a syllogism in Aristotelian analytics.
Example
- Mastering the pons asinorum is essential for understanding complex logical arguments.
C1Metaphor
(informal)A difficult problem or challenge that separates those who understand a concept from those who do not.
Example
- The concept of derivatives in calculus often serves as a pons asinorum for many students.
- For many, learning the intricacies of quantum mechanics is a true pons asinorum.