Metamath Proof Explorer


Theorem rlmtopn

Description: Topology component of the ring module. (Contributed by Mario Carneiro, 6-Oct-2015)

Ref Expression
Assertion rlmtopn ⊢ TopOpen ⁡ R = TopOpen ⁡ ringLMod ⁡ R

Proof

Step Hyp Ref Expression
1 rlmval ⊢ ringLMod ⁡ R = subringAlg ⁡ R ⁡ Base R
2 1 a1i ⊢ ⊤ → ringLMod ⁡ R = subringAlg ⁡ R ⁡ Base R
3 ssidd ⊢ ⊤ → Base R ⊆ Base R
4 2 3 sratopn ⊢ ⊤ → TopOpen ⁡ R = TopOpen ⁡ ringLMod ⁡ R
5 4 mptru ⊢ TopOpen ⁡ R = TopOpen ⁡ ringLMod ⁡ R