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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 24788 | . 2 ⊢ (𝐺 ∈ NrmGrp → 𝐺 ∈ MetSp) | |
| 2 | msxms 24642 | . 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 2146 ∞MetSpcxms 24505 MetSpcms 24506 NrmGrpcngp 24765 |
| 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 2148 ax-9 2156 ax-ext 2737 |
| 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 2744 df-cleq 2757 df-clel 2840 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-xp 5669 df-co 5672 df-res 5675 df-iota 6496 df-fv 6548 df-ms 24509 df-ngp 24771 |
| This theorem is used by: ngpdsr 24793 ngpds2r 24795 ngpds3 24796 ngpds3r 24797 nmge0 24805 nmeq0 24806 minveclem4a 25620 minveclem4 25622 qqhcn 34421 qqhucn 34422 rrhcn 34427 rrhf 34428 rrexttps 34436 rrexthaus 34437 |
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