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Theorem elimph 30891
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 30887 . 2 𝑈 ∈ NrmCVec
51, 2, 4elimnv 30754 1 if(𝐴𝑋, 𝐴, 𝑍) ∈ 𝑋
Colors of variables: wff setvar class
Syntax hints:   = wceq 1542  wcel 2114  ifcif 4466  cfv 6498  BaseSetcba 30657  0veccn0v 30659  CPreHilOLDccphlo 30883
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2708  ax-rep 5212  ax-sep 5231  ax-nul 5241  ax-pr 5375  ax-un 7689
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-ral 3052  df-rex 3062  df-reu 3343  df-rab 3390  df-v 3431  df-sbc 3729  df-csb 3838  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-nul 4274  df-if 4467  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4851  df-iun 4935  df-br 5086  df-opab 5148  df-mpt 5167  df-id 5526  df-xp 5637  df-rel 5638  df-cnv 5639  df-co 5640  df-dm 5641  df-rn 5642  df-res 5643  df-ima 5644  df-iota 6454  df-fun 6500  df-fn 6501  df-f 6502  df-f1 6503  df-fo 6504  df-f1o 6505  df-fv 6506  df-riota 7324  df-ov 7370  df-oprab 7371  df-1st 7942  df-2nd 7943  df-grpo 30564  df-gid 30565  df-ablo 30616  df-vc 30630  df-nv 30663  df-va 30666  df-ba 30667  df-sm 30668  df-0v 30669  df-nmcv 30671  df-ph 30884
This theorem is referenced by:  ipdiri  30901  ipassi  30912  sii  30925
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