In mathematics and logic, having a shared or complementary singular property; relating to points or values that are singular in corresponding ways.
From co- (together/shared) + singular (unique or one-of-a-kind), from Latin singularis. A technical mathematical term from 20th-century topology and analysis.
In higher mathematics, cosingular points on a curve behave similarly in ways that reveal hidden symmetries—it's like finding a secret mirror that reflects mathematical structure.
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