![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > trgtmd2 | Structured version Visualization version GIF version |
Description: A topological ring is a topological monoid. (Contributed by Mario Carneiro, 5-Oct-2015.) |
Ref | Expression |
---|---|
trgtmd2 | ⊢ (𝑅 ∈ TopRing → 𝑅 ∈ TopMnd) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | trgtgp 22379 | . 2 ⊢ (𝑅 ∈ TopRing → 𝑅 ∈ TopGrp) | |
2 | tgptmd 22291 | . 2 ⊢ (𝑅 ∈ TopGrp → 𝑅 ∈ TopMnd) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝑅 ∈ TopRing → 𝑅 ∈ TopMnd) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2107 TopMndctmd 22282 TopGrpctgp 22283 TopRingctrg 22367 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1839 ax-4 1853 ax-5 1953 ax-6 2021 ax-7 2055 ax-9 2116 ax-10 2135 ax-11 2150 ax-12 2163 ax-13 2334 ax-ext 2754 ax-nul 5025 |
This theorem depends on definitions: df-bi 199 df-an 387 df-or 837 df-3an 1073 df-tru 1605 df-ex 1824 df-nf 1828 df-sb 2012 df-mo 2551 df-eu 2587 df-clab 2764 df-cleq 2770 df-clel 2774 df-nfc 2921 df-ral 3095 df-rex 3096 df-rab 3099 df-v 3400 df-sbc 3653 df-dif 3795 df-un 3797 df-in 3799 df-ss 3806 df-nul 4142 df-if 4308 df-sn 4399 df-pr 4401 df-op 4405 df-uni 4672 df-br 4887 df-iota 6099 df-fv 6143 df-ov 6925 df-tgp 22285 df-trg 22371 |
This theorem is referenced by: tdrgtmd 22387 qqhcn 30633 |
Copyright terms: Public domain | W3C validator |