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Theorems · Theorem · group theory

AddAction.is_two_pretransitive_iff

∀ {G : Type u_1} {α : Type u_2} [inst : AddGroup G] [inst_1 : AddAction G α],
  AddAction.IsMultiplyPretransitive G α 2 ↔ ∀ {a b c d : α}, a ≠ b → c ≠ d → ∃ g, g +ᵥ a = c ∧ g +ᵥ b = d

An additive action is 2-pretransitive iff it can move any two distinct elements to any two distinct elements.

Defined in
Mathlib.GroupTheory.GroupAction.MultipleTransitivity
Cited by
2 results in Mathlib
Foundations
Depth 56 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
AddGroupAddAction

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