Theorem el2v 2779

Description: If a proposition is implied by 𝑥 ∈ V and 𝑦 ∈ V (which is true, see vex 2776), then it is true. (Contributed by Peter Mazsa, 13-Oct-2018.)

Hypothesis

Ref	Expression
el2v.1	⊢ ((𝑥 ∈ V ∧ 𝑦 ∈ V) → 𝜑)

Assertion

Ref	Expression
el2v	⊢ 𝜑

Proof of Theorem el2v

Step	Hyp	Ref	Expression
1		vex 2776	. 2 ⊢ 𝑥 ∈ V
2		vex 2776	. 2 ⊢ 𝑦 ∈ V
3		el2v.1	. 2 ⊢ ((𝑥 ∈ V ∧ 𝑦 ∈ V) → 𝜑)
4	1, 2, 3	mp2an 426	1 ⊢ 𝜑

Syntax hints:   → wi 4   ∧ wa 104   ∈ wcel 2177  Vcvv 2773

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-5 1471  ax-gen 1473  ax-ie1 1517  ax-ie2 1518  ax-8 1528  ax-4 1534  ax-17 1550  ax-i9 1554  ax-ial 1558  ax-ext 2188

This theorem depends on definitions:  df-bi 117  df-sb 1787  df-clab 2193  df-cleq 2199  df-clel 2202  df-v 2775

This theorem is referenced by: (None)