MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  elin1d Structured version   Visualization version   Unicode version

Theorem elin1d 3802
Description: Elementhood in the first set of an intersection - deduction version. (Contributed by Thierry Arnoux, 3-May-2020.)
Hypothesis
Ref Expression
elin1d.1  |-  ( ph  ->  X  e.  ( A  i^i  B ) )
Assertion
Ref Expression
elin1d  |-  ( ph  ->  X  e.  A )

Proof of Theorem elin1d
StepHypRef Expression
1 elin1d.1 . 2  |-  ( ph  ->  X  e.  ( A  i^i  B ) )
2 elinel1 3799 . 2  |-  ( X  e.  ( A  i^i  B )  ->  X  e.  A )
31, 2syl 17 1  |-  ( ph  ->  X  e.  A )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    e. wcel 1990    i^i cin 3573
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-v 3202  df-in 3581
This theorem is referenced by:  nmoleub2lem3  22915  nmoleub3  22919  tayl0  24116  esum2d  30155  ispisys2  30216  sigapisys  30218  sigapildsyslem  30224  sigapildsys  30225  eulerpartlemgvv  30438  tgoldbachgt  30741
  Copyright terms: Public domain W3C validator