MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  ssopab2i Structured version   Visualization version   GIF version

Theorem ssopab2i 5525
Description: Inference of ordered pair abstraction subclass from implication. (Contributed by NM, 5-Apr-1995.)
Hypothesis
Ref Expression
ssopab2i.1 (𝜑 → 𝜓)
Assertion
Ref Expression
ssopab2i {⟨𝑥, 𝑦⟩ ∣ 𝜑} ⊆ {⟨𝑥, 𝑦⟩ ∣ 𝜓}

Proof of Theorem ssopab2i
StepHypRef Expression
1 ssopab2 5521 . 2 (∀𝑥∀𝑦(𝜑 → 𝜓) → {⟨𝑥, 𝑦⟩ ∣ 𝜑} ⊆ {⟨𝑥, 𝑦⟩ ∣ 𝜓})
2 ssopab2i.1 . . 3 (𝜑 → 𝜓)
32ax-gen 1827 . 2 ∀𝑦(𝜑 → 𝜓)
41, 3mpg 1829 1 {⟨𝑥, 𝑦⟩ ∣ 𝜑} ⊆ {⟨𝑥, 𝑦⟩ ∣ 𝜓}
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4  ∀wal 1567   ⊆ wss 3896  {copab 5166
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-9 2154  ax-ext 2732
This proof depends on definitions:  df-bi 210  df-an 402  df-ex 1812  df-sb 2099  df-clab 2739  df-cleq 2752  df-ss 3897  df-opab 5167
This theorem is used by:  elopabran  5536  elopaelxp  5742  opabssxp  5744  relopabiv  5799  funopab4  6582  ssoprab2i  7535  cnvoprab  8076  mptmpoopabbrd  8099  enssdom  9011  cardf2  10031  dfac3  10207  axdc2lem  10533  fpwwe2lem1  10723  canthwe  10743  trclublem  15157  fullfunc  18092  fthfunc  18093  isfull  18096  isfth  18100  ipoval  18713  ipolerval  18715  eqgfval  19397  2ndcctbss  23783  iscgrg  28984  ishpg  29246  nvss  31204  ajfval  31420  afsval  35353  cvmlift2lem12  36197  satf0suclem  36258  fmlasuc0  36267  bj-opabssvv  38208  bj-imdirval2lem  38240  bj-xpcossxp  38247  dicval  42370  areaquad  44355  relopabVD  46019
  Copyright terms: Public domain W3C validator