MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  ralrab Structured version   Visualization version   GIF version

Theorem ralrab 3662
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 3656 . . . 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 3071 1 (∀𝑥 ∈ {𝑦𝐴𝜑}𝜒 ↔ ∀𝑥𝐴 (𝜓𝜒))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395  wcel 2109  wral 3044  {crab 3402
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-ext 2701
This theorem depends on definitions:  df-bi 207  df-an 396  df-tru 1543  df-ex 1780  df-sb 2066  df-clab 2708  df-cleq 2721  df-clel 2803  df-ral 3045  df-rab 3403  df-v 3446
This theorem is referenced by:  frminex  5610  wereu2  5628  frpomin  6301  weniso  7311  zmin  12879  prmreclem1  16863  lublecllem  18295  mgmhmeql  18619  mhmeql  18729  ghmeql  19147  pgpfac1lem5  19987  lmhmeql  20938  islindf4  21723  1stcfb  23308  fbssfi  23700  filssufilg  23774  txflf  23869  ptcmplem3  23917  symgtgp  23969  tgpconncompeqg  23975  cnllycmp  24831  ovolgelb  25357  dyadmax  25475  lhop1  25895  radcnvlt1  26303  noextenddif  27556  conway  27687  madebdaylemlrcut  27786  onscutlt  28141  onsiso  28145  bdayon  28149  bdayn0p1  28234  poimirlem4  37591  poimirlem32  37619  ismblfin  37628  igenval2  38033  glbconN  39343  glbconNOLD  39344  nadd2rabtr  43346  isubgruhgr  47841  intubeu  48945  unilbeu  48946
  Copyright terms: Public domain W3C validator