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| Mirrors > Home > MPE Home > Th. List > ngpxms | Structured version Visualization version GIF version | ||
| Description: A normed group is an extended metric space. (Contributed by Mario Carneiro, 2-Oct-2015.) |
| Ref | Expression |
|---|---|
| ngpxms | ⊢ (𝐺 ∈ NrmGrp → 𝐺 ∈ ∞MetSp) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ngpms 24826 | . 2 ⊢ (𝐺 ∈ NrmGrp → 𝐺 ∈ MetSp) | |
| 2 | msxms 24680 | . 2 ⊢ (𝐺 ∈ MetSp → 𝐺 ∈ ∞MetSp) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝐺 ∈ NrmGrp → 𝐺 ∈ ∞MetSp) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ∞MetSpcxms 24543 MetSpcms 24544 NrmGrpcngp 24803 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-xp 5661 df-co 5664 df-res 5667 df-iota 6489 df-fv 6541 df-ms 24547 df-ngp 24809 |
| This theorem is used by: ngpdsr 24831 ngpds2r 24833 ngpds3 24834 ngpds3r 24835 nmge0 24843 nmeq0 24844 minveclem4a 25658 minveclem4 25660 qqhcn 34501 qqhucn 34502 rrhcn 34507 rrhf 34508 rrexttps 34516 rrexthaus 34517 |
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