bn:01810277n
Noun Concept
EL
No term available
EN
A group G {\displaystyle G} acts 2-transitively on a set S {\displaystyle S} if it acts transitively on the set of distinct ordered pairs { ∈ S × S : x ≠ y } {\displaystyle \{\in S\times S:x\neq y\}}. Wikipedia
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