Finset.ruzsa_triangle_inequality_sub_add_sub

∀ {G : Type u_1} [inst : DecidableEq G] [inst_1 : AddCommGroup G] (A B C : Finset G),
  (A - C).card * B.card ≤ (A + B).card * (B - C).card

Ruzsa's triangle inequality. Sub-add-sub version.

Defined in: Mathlib.Combinatorics.Additive.PluenneckeRuzsa
Cited by: 0 results in Mathlib
Foundations: Depth 95 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: DecidableEq AddCommGroup

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