= Theorems in abstract algebra
{wiki=Category:Theorems_in_abstract_algebra}
In abstract algebra, a branch of mathematics that deals with algebraic structures, theorems serve as fundamental results or propositions that have been rigorously proven based on axioms and previously established theorems. Here are some significant theorems and concepts in abstract algebra: 1. **Group Theory Theorems**: - **Lagrange's Theorem**: In a finite group, the order (number of elements) of any subgroup divides the order of the group.
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