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Theorem isblo 29045
Description: The predicate "is a bounded linear operator." (Contributed by NM, 6-Nov-2007.) (New usage is discouraged.)
Hypotheses
Ref Expression
bloval.3 𝑁 = (𝑈 normOpOLD 𝑊)
bloval.4 𝐿 = (𝑈 LnOp 𝑊)
bloval.5 𝐵 = (𝑈 BLnOp 𝑊)
Assertion
Ref Expression
isblo ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec) → (𝑇𝐵 ↔ (𝑇𝐿 ∧ (𝑁𝑇) < +∞)))

Proof of Theorem isblo
Dummy variable 𝑡 is distinct from all other variables.
StepHypRef 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)
41, 2, 3bloval 29044 . . 3 ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec) → 𝐵 = {𝑡𝐿 ∣ (𝑁𝑡) < +∞})
54eleq2d 2824 . 2 ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec) → (𝑇𝐵𝑇 ∈ {𝑡𝐿 ∣ (𝑁𝑡) < +∞}))
6 fveq2 6756 . . . 4 (𝑡 = 𝑇 → (𝑁𝑡) = (𝑁𝑇))
76breq1d 5080 . . 3 (𝑡 = 𝑇 → ((𝑁𝑡) < +∞ ↔ (𝑁𝑇) < +∞))
87elrab 3617 . 2 (𝑇 ∈ {𝑡𝐿 ∣ (𝑁𝑡) < +∞} ↔ (𝑇𝐿 ∧ (𝑁𝑇) < +∞))
95, 8bitrdi 286 1 ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ NrmCVec) → (𝑇𝐵 ↔ (𝑇𝐿 ∧ (𝑁𝑇) < +∞)))
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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