= 1880s in mathematics
{wiki=Category:1880s_in_mathematics}
In the context of mathematics, "1880s" typically refers to the period of the 1880s, when several significant developments and contributions were made in various fields of mathematics. This decade witnessed important advances in areas such as: 1. **Set Theory**: Georg Cantor further developed set theory, introducing concepts such as cardinality and different sizes of infinity, which laid the foundations for much of modern mathematics.
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