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Theorem elimph 30782
Description: Hypothesis elimination lemma for complex inner product spaces to assist weak deduction theorem. (Contributed by NM, 27-Apr-2007.) (New usage is discouraged.)
Hypotheses
Ref Expression
elimph.1 𝑋 = (BaseSet‘𝑈)
elimph.5 𝑍 = (0vec𝑈)
elimph.6 𝑈 ∈ CPreHilOLD
Assertion
Ref Expression
elimph if(𝐴𝑋, 𝐴, 𝑍) ∈ 𝑋

Proof of Theorem elimph
StepHypRef Expression
1 elimph.1 . 2 𝑋 = (BaseSet‘𝑈)
2 elimph.5 . 2 𝑍 = (0vec𝑈)
3 elimph.6 . . 3 𝑈 ∈ CPreHilOLD
43phnvi 30778 . 2 𝑈 ∈ NrmCVec
51, 2, 4elimnv 30645 1 if(𝐴𝑋, 𝐴, 𝑍) ∈ 𝑋
Colors of variables: wff setvar class
Syntax hints:   = wceq 1540  wcel 2109  ifcif 4478  cfv 6486  BaseSetcba 30548  0veccn0v 30550  CPreHilOLDccphlo 30774
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5221  ax-sep 5238  ax-nul 5248  ax-pr 5374  ax-un 7675
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-ral 3045  df-rex 3054  df-reu 3346  df-rab 3397  df-v 3440  df-sbc 3745  df-csb 3854  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-nul 4287  df-if 4479  df-sn 4580  df-pr 4582  df-op 4586  df-uni 4862  df-iun 4946  df-br 5096  df-opab 5158  df-mpt 5177  df-id 5518  df-xp 5629  df-rel 5630  df-cnv 5631  df-co 5632  df-dm 5633  df-rn 5634  df-res 5635  df-ima 5636  df-iota 6442  df-fun 6488  df-fn 6489  df-f 6490  df-f1 6491  df-fo 6492  df-f1o 6493  df-fv 6494  df-riota 7310  df-ov 7356  df-oprab 7357  df-1st 7931  df-2nd 7932  df-grpo 30455  df-gid 30456  df-ablo 30507  df-vc 30521  df-nv 30554  df-va 30557  df-ba 30558  df-sm 30559  df-0v 30560  df-nmcv 30562  df-ph 30775
This theorem is referenced by:  ipdiri  30792  ipassi  30803  sii  30816
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