Users' Mathboxes Mathbox for Peter Mazsa < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  el3v2 Structured version   Visualization version   GIF version

Theorem el3v2 38908
Description: New way (elv 3459, and the theorems beginning with "el2v" or "el3v") to shorten some proofs. (Contributed by Peter Mazsa, 16-Oct-2020.)
Hypothesis
Ref Expression
el3v2.1 ((𝜑𝑦 ∈ V ∧ 𝜒) → 𝜃)
Assertion
Ref Expression
el3v2 ((𝜑𝜒) → 𝜃)

Proof of Theorem el3v2
StepHypRef Expression
1 vex 3458 . 2 𝑦 ∈ V
2 el3v2.1 . 2 ((𝜑𝑦 ∈ V ∧ 𝜒) → 𝜃)
31, 2mp3an2 1477 1 ((𝜑𝜒) → 𝜃)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wa 400  w3a 1102  wcel 2142  Vcvv 3454
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1824  ax-4 1838  ax-5 1939  ax-6 1996  ax-7 2037  ax-8 2144  ax-9 2152  ax-ext 2734
This proof depends on definitions:  df-bi 210  df-an 401  df-3an 1104  df-tru 1572  df-ex 1809  df-sb 2096  df-clab 2741  df-cleq 2754  df-clel 2837  df-v 3456
This theorem is used by: (None)
  Copyright terms: Public domain W3C validator