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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 24926 | . 2 ⊢ (𝐺 ∈ NrmGrp → 𝐺 ∈ MetSp) | |
| 2 | msxms 24780 | . 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 2144 ∞MetSpcxms 24643 MetSpcms 24644 NrmGrpcngp 24903 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-xp 5656 df-co 5659 df-res 5662 df-iota 6496 df-fv 6549 df-ms 24647 df-ngp 24909 |
| This theorem is used by: ngpdsr 24931 ngpds2r 24933 ngpds3 24934 ngpds3r 24935 nmge0 24943 nmeq0 24944 minveclem4a 25758 minveclem4 25760 qqhcn 34671 qqhucn 34672 rrhcn 34677 rrhf 34678 rrexttps 34686 rrexthaus 34687 |
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