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Theorem bj-pr2ex 33008
Description: Sethood of the second projection. (Contributed by BJ, 6-Oct-2018.)
Assertion
Ref Expression
bj-pr2ex (𝐴𝑉 → pr2 𝐴 ∈ V)

Proof of Theorem bj-pr2ex
StepHypRef Expression
1 df-bj-pr2 33003 . 2 pr2 𝐴 = (1𝑜 Proj 𝐴)
2 bj-projex 32983 . 2 (𝐴𝑉 → (1𝑜 Proj 𝐴) ∈ V)
31, 2syl5eqel 2705 1 (𝐴𝑉 → pr2 𝐴 ∈ V)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 1990  Vcvv 3200  1𝑜c1o 7553   Proj bj-cproj 32978  pr2 bj-cpr2 33002
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-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pr 4906  ax-un 6949
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-fal 1489  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-br 4654  df-opab 4713  df-xp 5120  df-cnv 5122  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-bj-proj 32979  df-bj-pr2 33003
This theorem is referenced by:  bj-2uplex  33010
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