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

Theorem ralrab 3650
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 3644 . . . 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 3076 1 (∀𝑥 ∈ {𝑦𝐴𝜑}𝜒 ↔ ∀𝑥𝐴 (𝜓𝜒))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395  wcel 2113  wral 3049  {crab 3397
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-ext 2706
This theorem depends on definitions:  df-bi 207  df-an 396  df-tru 1544  df-ex 1781  df-sb 2068  df-clab 2713  df-cleq 2726  df-clel 2809  df-ral 3050  df-rab 3398  df-v 3440
This theorem is referenced by:  frminex  5601  wereu2  5619  frpomin  6296  weniso  7298  zmin  12855  prmreclem1  16842  lublecllem  18279  mgmhmeql  18639  mhmeql  18749  ghmeql  19166  pgpfac1lem5  20008  lmhmeql  21005  islindf4  21791  1stcfb  23387  fbssfi  23779  filssufilg  23853  txflf  23948  ptcmplem3  23996  symgtgp  24048  tgpconncompeqg  24054  cnllycmp  24909  ovolgelb  25435  dyadmax  25553  lhop1  25973  radcnvlt1  26381  noextenddif  27634  conway  27767  madebdaylemlrcut  27871  onscutlt  28232  onsiso  28236  bdayon  28240  bdayn0p1  28327  poimirlem4  37764  poimirlem32  37792  ismblfin  37801  igenval2  38206  glbconN  39576  nadd2rabtr  43568  isubgruhgr  48056  intubeu  49171  unilbeu  49172
  Copyright terms: Public domain W3C validator