SeminormedRing.norm_mul_le

∀ {α : Type u_5} [self : SeminormedRing α] (a b : α), ‖a * b‖ ≤ ‖a‖ * ‖b‖

The norm is submultiplicative.

Defined in: Mathlib.Analysis.Normed.Ring.Basic
Cited by: 0 results in Mathlib
Foundations: Depth 95 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: SeminormedRing

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