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| Mirrors > Home > MPE Home > Th. List > cphngp | Structured version Visualization version GIF version | ||
| Description: A subcomplex pre-Hilbert space is a normed group. (Contributed by Mario Carneiro, 13-Oct-2015.) |
| Ref | Expression |
|---|---|
| cphngp | ⊢ (𝑊 ∈ ℂPreHil → 𝑊 ∈ NrmGrp) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cphnlm 25493 | . 2 ⊢ (𝑊 ∈ ℂPreHil → 𝑊 ∈ NrmMod) | |
| 2 | nlmngp 24996 | . 2 ⊢ (𝑊 ∈ NrmMod → 𝑊 ∈ NrmGrp) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝑊 ∈ ℂPreHil → 𝑊 ∈ NrmGrp) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 NrmGrpcngp 24896 NrmModcnlm 24899 ℂPreHilccph 25487 |
| 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 ax-nul 5259 |
| 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-ne 2956 df-ral 3077 df-rab 3413 df-v 3452 df-sbc 3739 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-xp 5656 df-cnv 5658 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fv 6546 df-ov 7423 df-nlm 24905 df-cph 25489 |
| This theorem is used by: cphnmf 25516 reipcl 25518 ipge0 25519 cphpyth 25537 cphipval2 25562 4cphipval2 25563 cphipval 25564 ipcn 25567 cnmpt1ip 25568 cnmpt2ip 25569 clsocv 25571 minveclem1 25745 minveclem2 25747 minveclem3b 25749 minveclem3 25750 minveclem4a 25751 minveclem4 25753 minveclem6 25755 minveclem7 25756 pjthlem1 25758 rrxngp 47295 |
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