Metamath Proof Explorer


Theorem lmhmghmd

Description: A module homomorphism is a group homomorphism. (Contributed by Thierry Arnoux, 2-Apr-2025)

Ref Expression
Hypothesis lmhmghmd.1 ⊢ φ → F ∈ S LMHom T
Assertion lmhmghmd ⊢ φ → F ∈ S GrpHom T

Proof

Step Hyp Ref Expression
1 lmhmghmd.1 ⊢ φ → F ∈ S LMHom T
2 lmghm ⊢ F ∈ S LMHom T → F ∈ S GrpHom T
3 1 2 syl ⊢ φ → F ∈ S GrpHom T