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Theorem brtxpsd3 36090
Description: A third common abbreviation for quantifier-free definitions. (Contributed by Scott Fenton, 3-May-2014.)
Hypotheses
Ref Expression
brtxpsd2.1 𝐴 ∈ V
brtxpsd2.2 𝐵 ∈ V
brtxpsd2.3 𝑅 = (𝐶 ∖ ran ((V ⊗ E ) △ (𝑆 ⊗ V)))
brtxpsd2.4 𝐴𝐶𝐵
brtxpsd3.5 (𝑥𝑋𝑥𝑆𝐴)
Assertion
Ref Expression
brtxpsd3 (𝐴𝑅𝐵𝐵 = 𝑋)
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵   𝑥,𝑆   𝑥,𝑋
Allowed substitution hints:   𝐶(𝑥)   𝑅(𝑥)

Proof of Theorem brtxpsd3
StepHypRef Expression
1 brtxpsd3.5 . . . 4 (𝑥𝑋𝑥𝑆𝐴)
21bibi2i 337 . . 3 ((𝑥𝐵𝑥𝑋) ↔ (𝑥𝐵𝑥𝑆𝐴))
32albii 1821 . 2 (∀𝑥(𝑥𝐵𝑥𝑋) ↔ ∀𝑥(𝑥𝐵𝑥𝑆𝐴))
4 dfcleq 2730 . 2 (𝐵 = 𝑋 ↔ ∀𝑥(𝑥𝐵𝑥𝑋))
5 brtxpsd2.1 . . 3 𝐴 ∈ V
6 brtxpsd2.2 . . 3 𝐵 ∈ V
7 brtxpsd2.3 . . 3 𝑅 = (𝐶 ∖ ran ((V ⊗ E ) △ (𝑆 ⊗ V)))
8 brtxpsd2.4 . . 3 𝐴𝐶𝐵
95, 6, 7, 8brtxpsd2 36089 . 2 (𝐴𝑅𝐵 ↔ ∀𝑥(𝑥𝐵𝑥𝑆𝐴))
103, 4, 93bitr4ri 304 1 (𝐴𝑅𝐵𝐵 = 𝑋)
Colors of variables: wff setvar class
Syntax hints:  wb 206  wal 1540   = wceq 1542  wcel 2114  Vcvv 3441  cdif 3899  csymdif 4205   class class class wbr 5099   E cep 5524  ran crn 5626  ctxp 36024
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5242  ax-nul 5252  ax-pr 5378  ax-un 7682
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3062  df-rab 3401  df-v 3443  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-symdif 4206  df-nul 4287  df-if 4481  df-sn 4582  df-pr 4584  df-op 4588  df-uni 4865  df-br 5100  df-opab 5162  df-mpt 5181  df-id 5520  df-eprel 5525  df-xp 5631  df-rel 5632  df-cnv 5633  df-co 5634  df-dm 5635  df-rn 5636  df-res 5637  df-iota 6449  df-fun 6495  df-fn 6496  df-f 6497  df-fo 6499  df-fv 6501  df-1st 7935  df-2nd 7936  df-txp 36048
This theorem is referenced by:  brbigcup  36092  brsingle  36111  brimage  36120  brcart  36126  brapply  36132  brcup  36133  brcap  36134
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