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Mirrors > Home > MPE Home > Th. List > isblo | Structured version Visualization version GIF version |
Description: The predicate "is a bounded linear operator." (Contributed by NM, 6-Nov-2007.) (New usage is discouraged.) |
Ref | Expression |
---|---|
bloval.3 | ⊢ 𝑁 = (𝑈 normOpOLD 𝑊) |
bloval.4 | ⊢ 𝐿 = (𝑈 LnOp 𝑊) |
bloval.5 | ⊢ 𝐵 = (𝑈 BLnOp 𝑊) |
Ref | Expression |
---|---|
isblo | ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec) → (𝑇 ∈ 𝐵 ↔ (𝑇 ∈ 𝐿 ∧ (𝑁‘𝑇) < +∞))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bloval.3 | . . . 4 ⊢ 𝑁 = (𝑈 normOpOLD 𝑊) | |
2 | bloval.4 | . . . 4 ⊢ 𝐿 = (𝑈 LnOp 𝑊) | |
3 | bloval.5 | . . . 4 ⊢ 𝐵 = (𝑈 BLnOp 𝑊) | |
4 | 1, 2, 3 | bloval 29044 | . . 3 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec) → 𝐵 = {𝑡 ∈ 𝐿 ∣ (𝑁‘𝑡) < +∞}) |
5 | 4 | eleq2d 2824 | . 2 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec) → (𝑇 ∈ 𝐵 ↔ 𝑇 ∈ {𝑡 ∈ 𝐿 ∣ (𝑁‘𝑡) < +∞})) |
6 | fveq2 6756 | . . . 4 ⊢ (𝑡 = 𝑇 → (𝑁‘𝑡) = (𝑁‘𝑇)) | |
7 | 6 | breq1d 5080 | . . 3 ⊢ (𝑡 = 𝑇 → ((𝑁‘𝑡) < +∞ ↔ (𝑁‘𝑇) < +∞)) |
8 | 7 | elrab 3617 | . 2 ⊢ (𝑇 ∈ {𝑡 ∈ 𝐿 ∣ (𝑁‘𝑡) < +∞} ↔ (𝑇 ∈ 𝐿 ∧ (𝑁‘𝑇) < +∞)) |
9 | 5, 8 | bitrdi 286 | 1 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec) → (𝑇 ∈ 𝐵 ↔ (𝑇 ∈ 𝐿 ∧ (𝑁‘𝑇) < +∞))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1539 ∈ wcel 2108 {crab 3067 class class class wbr 5070 ‘cfv 6418 (class class class)co 7255 +∞cpnf 10937 < clt 10940 NrmCVeccnv 28847 LnOp clno 29003 normOpOLD cnmoo 29004 BLnOp cblo 29005 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pr 5347 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ral 3068 df-rex 3069 df-rab 3072 df-v 3424 df-sbc 3712 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-br 5071 df-opab 5133 df-id 5480 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-iota 6376 df-fun 6420 df-fv 6426 df-ov 7258 df-oprab 7259 df-mpo 7260 df-blo 29009 |
This theorem is referenced by: isblo2 29046 bloln 29047 nmblore 29049 isblo3i 29064 htthlem 29180 |
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