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| Mirrors > Home > MPE Home > Th. List > trgtps | Structured version Visualization version GIF version | ||
| Description: A topological ring is a topological space. (Contributed by Mario Carneiro, 5-Oct-2015.) |
| Ref | Expression |
|---|---|
| trgtps | ⊢ (𝑅 ∈ TopRing → 𝑅 ∈ TopSp) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | trgtgp 24155 | . 2 ⊢ (𝑅 ∈ TopRing → 𝑅 ∈ TopGrp) | |
| 2 | tgptps 24067 | . 2 ⊢ (𝑅 ∈ TopGrp → 𝑅 ∈ TopSp) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝑅 ∈ TopRing → 𝑅 ∈ TopSp) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2121 TopSpctps 22919 TopGrpctgp 24058 TopRingctrg 24143 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 ax-nul 5231 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-ne 2937 df-rab 3394 df-v 3435 df-sbc 3726 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-br 5076 df-iota 6445 df-fv 6497 df-ov 7363 df-tmd 24059 df-tgp 24060 df-trg 24147 |
| This theorem is referenced by: tdrgtps 24164 tlmscatps 24178 |
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