Theorem el3v1 34333

Description: New way (elv 34328, and the theorems beginning with "el2v" or "el3v") to shorten some proofs. (Contributed by Peter Mazsa, 16-Oct-2020.)

Hypothesis

Ref	Expression
el3v1.1	⊢ ((𝑥 ∈ V ∧ 𝜓 ∧ 𝜒) → 𝜃)

Assertion

Ref	Expression
el3v1	⊢ ((𝜓 ∧ 𝜒) → 𝜃)

Proof of Theorem el3v1

Step	Hyp	Ref	Expression
1		vex 3354	. 2 ⊢ 𝑥 ∈ V
2		el3v1.1	. 2 ⊢ ((𝑥 ∈ V ∧ 𝜓 ∧ 𝜒) → 𝜃)
3	1, 2	mp3an1 1559	1 ⊢ ((𝜓 ∧ 𝜒) → 𝜃)

Syntax hints:   → wi 4   ∧ wa 382   ∧ w3a 1071   ∈ wcel 2145  Vcvv 3351

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1870  ax-4 1885  ax-5 1991  ax-6 2057  ax-7 2093  ax-9 2154  ax-12 2203  ax-ext 2751

This theorem depends on definitions:  df-bi 197  df-an 383  df-3an 1073  df-tru 1634  df-ex 1853  df-sb 2050  df-clab 2758  df-cleq 2764  df-clel 2767  df-v 3353

This theorem is referenced by:  el3v12  34336  br1cossxrnres  34540