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Mirrors > Home > MPE Home > Th. List > bnngp | Structured version Visualization version GIF version |
Description: A Banach space is a normed group. (Contributed by Mario Carneiro, 15-Oct-2015.) |
Ref | Expression |
---|---|
bnngp | ⊢ (𝑊 ∈ Ban → 𝑊 ∈ NrmGrp) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bnnlm 23938 | . 2 ⊢ (𝑊 ∈ Ban → 𝑊 ∈ NrmMod) | |
2 | nlmngp 23280 | . 2 ⊢ (𝑊 ∈ NrmMod → 𝑊 ∈ NrmGrp) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝑊 ∈ Ban → 𝑊 ∈ NrmGrp) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2110 NrmGrpcngp 23181 NrmModcnlm 23184 Bancbn 23930 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-nul 5202 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3772 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-iota 6308 df-fv 6357 df-ov 7153 df-nlm 23190 df-nvc 23191 df-bn 23933 |
This theorem is referenced by: (None) |
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