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Theorems · Theorem · combinatorics

UV.compress_idem

∀ {α : Type u_1} [inst : GeneralizedBooleanAlgebra α] [inst_1 : DecidableRel Disjoint] [inst_2 : DecidableLE α]
  (u v a : α), UV.compress u v (UV.compress u v a) = UV.compress u v a

Compressing an element is idempotent.

Defined in
Mathlib.Combinatorics.SetFamily.Compression.UV
Cited by
3 results in Mathlib
Foundations
Depth 54 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
GeneralizedBooleanAlgebraDecidableRelDecidableLE

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Cites8

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Cited by3

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