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Theorem ralrab 3640
Description: Universal quantification over a restricted class abstraction. (Contributed by Jeff Madsen, 10-Jun-2010.)
Hypothesis
Ref Expression
ralab.1 (𝑦 = 𝑥 → (𝜑𝜓))
Assertion
Ref Expression
ralrab (∀𝑥 ∈ {𝑦𝐴𝜑}𝜒 ↔ ∀𝑥𝐴 (𝜓𝜒))
Distinct variable groups:   𝑥,𝑦   𝑦,𝐴   𝜓,𝑦
Allowed substitution hints:   𝜑(𝑥,𝑦)   𝜓(𝑥)   𝜒(𝑥,𝑦)   𝐴(𝑥)

Proof of Theorem ralrab
StepHypRef Expression
1 ralab.1 . . . . 5 (𝑦 = 𝑥 → (𝜑𝜓))
21elrab 3634 . . . 4 (𝑥 ∈ {𝑦𝐴𝜑} ↔ (𝑥𝐴𝜓))
32imbi1i 349 . . 3 ((𝑥 ∈ {𝑦𝐴𝜑} → 𝜒) ↔ ((𝑥𝐴𝜓) → 𝜒))
4 impexp 450 . . 3 (((𝑥𝐴𝜓) → 𝜒) ↔ (𝑥𝐴 → (𝜓𝜒)))
53, 4bitri 275 . 2 ((𝑥 ∈ {𝑦𝐴𝜑} → 𝜒) ↔ (𝑥𝐴 → (𝜓𝜒)))
65ralbii2 3079 1 (∀𝑥 ∈ {𝑦𝐴𝜑}𝜒 ↔ ∀𝑥𝐴 (𝜓𝜒))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395  wcel 2114  wral 3051  {crab 3389
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-ext 2708
This theorem depends on definitions:  df-bi 207  df-an 396  df-tru 1545  df-ex 1782  df-sb 2069  df-clab 2715  df-cleq 2728  df-clel 2811  df-ral 3052  df-rab 3390  df-v 3431
This theorem is referenced by:  frminex  5610  wereu2  5628  frpomin  6304  weniso  7309  zmin  12894  prmreclem1  16887  lublecllem  18324  mgmhmeql  18684  mhmeql  18794  ghmeql  19214  pgpfac1lem5  20056  lmhmeql  21050  islindf4  21818  1stcfb  23410  fbssfi  23802  filssufilg  23876  txflf  23971  ptcmplem3  24019  symgtgp  24071  tgpconncompeqg  24077  cnllycmp  24923  ovolgelb  25447  dyadmax  25565  lhop1  25981  radcnvlt1  26383  noextenddif  27632  conway  27771  madebdaylemlrcut  27891  oncutlt  28256  oniso  28263  bdayons  28268  bdayn0p1  28361  poimirlem4  37945  poimirlem32  37973  ismblfin  37982  igenval2  38387  glbconN  39823  nadd2rabtr  43812  isubgruhgr  48344  intubeu  49459  unilbeu  49460
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