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Theorem eigvecval 31916
Description: The set of eigenvectors of a Hilbert space operator. (Contributed by NM, 11-Mar-2006.) (Revised by Mario Carneiro, 16-Nov-2013.) (New usage is discouraged.)
Assertion
Ref Expression
eigvecval (𝑇: ℋ⟶ ℋ → (eigvec‘𝑇) = {𝑥 ∈ ( ℋ ∖ 0) ∣ ∃𝑦 ∈ ℂ (𝑇𝑥) = (𝑦 · 𝑥)})
Distinct variable group:   𝑥,𝑦,𝑇

Proof of Theorem eigvecval
Dummy variable 𝑡 is distinct from all other variables.
StepHypRef Expression
1 ax-hilex 31019 . . . 4 ℋ ∈ V
2 difexg 5328 . . . 4 ( ℋ ∈ V → ( ℋ ∖ 0) ∈ V)
31, 2ax-mp 5 . . 3 ( ℋ ∖ 0) ∈ V
43rabex 5338 . 2 {𝑥 ∈ ( ℋ ∖ 0) ∣ ∃𝑦 ∈ ℂ (𝑇𝑥) = (𝑦 · 𝑥)} ∈ V
5 fveq1 6904 . . . . 5 (𝑡 = 𝑇 → (𝑡𝑥) = (𝑇𝑥))
65eqeq1d 2738 . . . 4 (𝑡 = 𝑇 → ((𝑡𝑥) = (𝑦 · 𝑥) ↔ (𝑇𝑥) = (𝑦 · 𝑥)))
76rexbidv 3178 . . 3 (𝑡 = 𝑇 → (∃𝑦 ∈ ℂ (𝑡𝑥) = (𝑦 · 𝑥) ↔ ∃𝑦 ∈ ℂ (𝑇𝑥) = (𝑦 · 𝑥)))
87rabbidv 3443 . 2 (𝑡 = 𝑇 → {𝑥 ∈ ( ℋ ∖ 0) ∣ ∃𝑦 ∈ ℂ (𝑡𝑥) = (𝑦 · 𝑥)} = {𝑥 ∈ ( ℋ ∖ 0) ∣ ∃𝑦 ∈ ℂ (𝑇𝑥) = (𝑦 · 𝑥)})
9 df-eigvec 31873 . 2 eigvec = (𝑡 ∈ ( ℋ ↑m ℋ) ↦ {𝑥 ∈ ( ℋ ∖ 0) ∣ ∃𝑦 ∈ ℂ (𝑡𝑥) = (𝑦 · 𝑥)})
104, 1, 1, 8, 9fvmptmap 8922 1 (𝑇: ℋ⟶ ℋ → (eigvec‘𝑇) = {𝑥 ∈ ( ℋ ∖ 0) ∣ ∃𝑦 ∈ ℂ (𝑇𝑥) = (𝑦 · 𝑥)})
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1539  wcel 2107  wrex 3069  {crab 3435  Vcvv 3479  cdif 3947  wf 6556  cfv 6560  (class class class)co 7432  cc 11154  chba 30939   · csm 30941  0c0h 30955  eigveccei 30979
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1794  ax-4 1808  ax-5 1909  ax-6 1966  ax-7 2006  ax-8 2109  ax-9 2117  ax-10 2140  ax-11 2156  ax-12 2176  ax-ext 2707  ax-sep 5295  ax-nul 5305  ax-pow 5364  ax-pr 5431  ax-un 7756  ax-hilex 31019
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1779  df-nf 1783  df-sb 2064  df-mo 2539  df-eu 2568  df-clab 2714  df-cleq 2728  df-clel 2815  df-nfc 2891  df-ral 3061  df-rex 3070  df-rab 3436  df-v 3481  df-sbc 3788  df-dif 3953  df-un 3955  df-in 3957  df-ss 3967  df-nul 4333  df-if 4525  df-pw 4601  df-sn 4626  df-pr 4628  df-op 4632  df-uni 4907  df-br 5143  df-opab 5205  df-mpt 5225  df-id 5577  df-xp 5690  df-rel 5691  df-cnv 5692  df-co 5693  df-dm 5694  df-rn 5695  df-iota 6513  df-fun 6562  df-fn 6563  df-f 6564  df-fv 6568  df-ov 7435  df-oprab 7436  df-mpo 7437  df-map 8869  df-eigvec 31873
This theorem is referenced by:  eleigvec  31977
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