Theorem elin2d 3362

Description: Elementhood in the first set of an intersection - deduction version. (Contributed by Thierry Arnoux, 3-May-2020.)

Hypothesis

Ref	Expression
elin1d.1	⊢ (𝜑 → 𝑋 ∈ (𝐴 ∩ 𝐵))

Assertion

Ref	Expression
elin2d	⊢ (𝜑 → 𝑋 ∈ 𝐵)

Proof of Theorem elin2d

Step	Hyp	Ref	Expression
1		elin1d.1	. 2 ⊢ (𝜑 → 𝑋 ∈ (𝐴 ∩ 𝐵))
2		elinel2 3359	. 2 ⊢ (𝑋 ∈ (𝐴 ∩ 𝐵) → 𝑋 ∈ 𝐵)
3	1, 2	syl 14	1 ⊢ (𝜑 → 𝑋 ∈ 𝐵)

Syntax hints:   → wi 4   ∈ wcel 2175   ∩ cin 3164

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 710  ax-5 1469  ax-7 1470  ax-gen 1471  ax-ie1 1515  ax-ie2 1516  ax-8 1526  ax-10 1527  ax-11 1528  ax-i12 1529  ax-bndl 1531  ax-4 1532  ax-17 1548  ax-i9 1552  ax-ial 1556  ax-i5r 1557  ax-ext 2186

This theorem depends on definitions:  df-bi 117  df-tru 1375  df-nf 1483  df-sb 1785  df-clab 2191  df-cleq 2197  df-clel 2200  df-nfc 2336  df-v 2773  df-in 3171

This theorem is referenced by:  elfi2  7073  fiuni  7079  fifo  7081  explecnv  11758  bitsinv1  12215  nninfdclemp1  12763  idomdomd  13981  sralmod  14154  2idlridld  14211  restbasg  14582  txcnp  14685  blin2  14846  bj-charfun  15676  bj-charfundc  15677