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Theorems · Theorem · order theory

WithTop.prod_lt_top

∀ {ι : Type u_1} {M₀ : Type u_3} [inst : CommMonoidWithZero M₀] [inst_1 : NoZeroDivisors M₀] [inst_2 : Nontrivial M₀]
  [inst_3 : DecidableEq M₀] {s : Finset ι} {f : ι → WithTop M₀} [inst_4 : LT M₀], (∀ i ∈ s, f i < ⊤) → ∏ i ∈ s, f i < ⊤

A product of finite terms is finite.

Defined in
Mathlib.Algebra.BigOperators.WithTop
Cited by
2 results in Mathlib
Foundations
Depth 55 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommMonoidWithZeroNoZeroDivisorsNontrivialDecidableEqLT

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