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[Merged by Bors] - chore(topology/algebra/module): add protected #17247

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[Merged by Bors] - chore(topology/algebra/module): add protected #17247

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6 changes: 3 additions & 3 deletions src/topology/algebra/module/basic.lean
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Expand Up @@ -1595,11 +1595,11 @@ def prod [module R₁ M₂] [module R₁ M₃] [module R₁ M₄] (e : M₁ ≃L
rfl

include σ₂₁
theorem bijective (e : M₁ ≃SL[σ₁₂] M₂) : function.bijective e :=
protected theorem bijective (e : M₁ ≃SL[σ₁₂] M₂) : function.bijective e :=
e.to_linear_equiv.to_equiv.bijective
theorem injective (e : M₁ ≃SL[σ₁₂] M₂) : function.injective e :=
protected theorem injective (e : M₁ ≃SL[σ₁₂] M₂) : function.injective e :=
e.to_linear_equiv.to_equiv.injective
theorem surjective (e : M₁ ≃SL[σ₁₂] M₂) : function.surjective e :=
protected theorem surjective (e : M₁ ≃SL[σ₁₂] M₂) : function.surjective e :=
e.to_linear_equiv.to_equiv.surjective

include σ₃₂ σ₃₁ σ₁₃
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