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

Theorem ssrabdv 4028
Description: Subclass of a restricted class abstraction (deduction form). (Contributed by NM, 31-Aug-2006.)
Hypotheses
Ref Expression
ssrabdv.1 (𝜑𝐵𝐴)
ssrabdv.2 ((𝜑𝑥𝐵) → 𝜓)
Assertion
Ref Expression
ssrabdv (𝜑𝐵 ⊆ {𝑥𝐴𝜓})
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵   𝜑,𝑥
Allowed substitution hint:   𝜓(𝑥)

Proof of Theorem ssrabdv
StepHypRef Expression
1 ssrabdv.1 . 2 (𝜑𝐵𝐴)
2 ssrabdv.2 . . 3 ((𝜑𝑥𝐵) → 𝜓)
32ralrimiva 3159 . 2 (𝜑 → ∀𝑥𝐵 𝜓)
4 ssrab 4026 . 2 (𝐵 ⊆ {𝑥𝐴𝜓} ↔ (𝐵𝐴 ∧ ∀𝑥𝐵 𝜓))
51, 3, 4sylanbrc 595 1 (𝜑𝐵 ⊆ {𝑥𝐴𝜓})
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wa 401  wcel 2146  wral 3081  {crab 3418  wss 3906
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-10 2179  ax-11 2195  ax-12 2216  ax-ext 2737
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-tru 1573  df-ex 1813  df-nf 1817  df-sb 2100  df-clab 2744  df-cleq 2757  df-clel 2840  df-nfc 2914  df-ral 3082  df-rab 3419  df-ss 3923
This theorem is used by:  mndind  18911  symggen  19564  ablfac1eu  20169  lspsolvlem  21296  prdsxmslem2  24717  ovolicc2lem4  25710  abelth2  26636  perfectlem2  27425  umgrres1lem  29694  upgrres1  29697  nsgmgc  33761  nsgqusf1olem2  33763  nsgqusf1olem3  33764  cvmlift2lem11  35818  bj-rabtrAUTO  37601  mapdrvallem3  42453  idomsubgmo  43953  nadd2rabtr  44144  k0004ss2  44911  liminfvalxr  46530  smflimlem4  47521  perfectALTVlem2  48520
  Copyright terms: Public domain W3C validator