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Theorems · Theorem · commutative algebra

MvPolynomial.esymm_eq_sum_subtype

∀ (σ : Type u_5) (R : Type u_6) [inst : CommSemiring R] [inst_1 : Fintype σ] (n : ℕ),
  MvPolynomial.esymm σ R n = ∑ t, ∏ i ∈ ↑t, MvPolynomial.X i

We can define esymm σ R n by summing over a subtype instead of over powerset_len.

Defined in
Mathlib.RingTheory.MvPolynomial.Symmetric.Defs
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0 results in Mathlib
Foundations
Depth 85 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommSemiringFintype

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