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Theorems · Theorem · general topology

PiNat.res_eq_res

∀ {α : Type u_2} {x y : ℕ → α} {n : ℕ}, PiNat.res x n = PiNat.res y n ↔ ∀ ⦃m : ℕ⦄, m < n → x m = y m

The restrictions of x and y to n are equal if and only if x m = y m for all m < n.

Defined in
Mathlib.Topology.MetricSpace.PiNat
Cited by
2 results in Mathlib
Foundations
Depth 27 from the axioms · uses propext, Quot.sound

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