ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  prm GIF version

Theorem prm 3796
Description: A pair containing a set is inhabited. (Contributed by Jim Kingdon, 21-Sep-2018.)
Hypothesis
Ref Expression
prnz.1 𝐴 ∈ V
Assertion
Ref Expression
prm 𝑥 𝑥 ∈ {𝐴, 𝐵}
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵

Proof of Theorem prm
StepHypRef Expression
1 prnz.1 . 2 𝐴 ∈ V
2 prmg 3794 . 2 (𝐴 ∈ V → ∃𝑥 𝑥 ∈ {𝐴, 𝐵})
31, 2ax-mp 5 1 𝑥 𝑥 ∈ {𝐴, 𝐵}
Colors of variables: wff set class
Syntax hints:  wex 1540  wcel 2202  Vcvv 2802  {cpr 3670
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-ext 2213
This theorem depends on definitions:  df-bi 117  df-tru 1400  df-nf 1509  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-v 2804  df-un 3204  df-sn 3675  df-pr 3676
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator