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Theorems · Theorem · group theory

Submonoid.one_mem

∀ {M : Type u_1} [inst : MulOneClass M] (S : Submonoid M), 1 ∈ S

A submonoid contains the monoid's 1.

Defined in
Mathlib.Algebra.Group.Submonoid.Defs
Cited by
28 results in Mathlib
Foundations
Depth 12 from the axioms · uses no axioms
Assumes
MulOneClass

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Cited by28

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