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Theorems · Definition · several complex variables

Composition.sigmaCompositionAux

{n : ℕ} →
  (a : Composition n) →
    (b : Composition a.length) → (i : Fin (a.gather b).length) → Composition ((a.gather b).blocksFun i)

An auxiliary function used in the definition of sigmaEquivSigmaPi below, associating to two compositions a of n and b of a.length, and an index i bounded by the length of a.gather b, the subcomposition of a made of those blocks belonging to the i-th block of a.gather b.

Defined in
Mathlib.Analysis.Analytic.Composition
Cited by
4 results in Mathlib
Foundations
Depth 75 from the axioms · uses propext, Classical.choice, Quot.sound

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