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Theorem mpt2exg 7508
Description: Existence of an operation class abstraction (special case). (Contributed by FL, 17-May-2010.) (Revised by Mario Carneiro, 1-Sep-2015.)
Hypothesis
Ref Expression
mpt2exg.1 𝐹 = (𝑥𝐴, 𝑦𝐵𝐶)
Assertion
Ref Expression
mpt2exg ((𝐴𝑅𝐵𝑆) → 𝐹 ∈ V)
Distinct variable groups:   𝑥,𝐴,𝑦   𝑦,𝐵,𝑥
Allowed substitution hints:   𝐶(𝑥,𝑦)   𝑅(𝑥,𝑦)   𝑆(𝑥,𝑦)   𝐹(𝑥,𝑦)

Proof of Theorem mpt2exg
StepHypRef Expression
1 elex 3429 . . 3 (𝐵𝑆𝐵 ∈ V)
2 elex 3429 . . . 4 (𝐵 ∈ V → 𝐵 ∈ V)
32ralrimivw 3176 . . 3 (𝐵 ∈ V → ∀𝑥𝐴 𝐵 ∈ V)
41, 3syl 17 . 2 (𝐵𝑆 → ∀𝑥𝐴 𝐵 ∈ V)
5 mpt2exg.1 . . 3 𝐹 = (𝑥𝐴, 𝑦𝐵𝐶)
65mpt2exxg 7507 . 2 ((𝐴𝑅 ∧ ∀𝑥𝐴 𝐵 ∈ V) → 𝐹 ∈ V)
74, 6sylan2 588 1 ((𝐴𝑅𝐵𝑆) → 𝐹 ∈ V)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 386   = wceq 1658  wcel 2166  wral 3117  Vcvv 3414  cmpt2 6907
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1896  ax-4 1910  ax-5 2011  ax-6 2077  ax-7 2114  ax-8 2168  ax-9 2175  ax-10 2194  ax-11 2209  ax-12 2222  ax-13 2391  ax-ext 2803  ax-rep 4994  ax-sep 5005  ax-nul 5013  ax-pow 5065  ax-pr 5127  ax-un 7209
This theorem depends on definitions:  df-bi 199  df-an 387  df-or 881  df-3an 1115  df-tru 1662  df-ex 1881  df-nf 1885  df-sb 2070  df-mo 2605  df-eu 2640  df-clab 2812  df-cleq 2818  df-clel 2821  df-nfc 2958  df-ne 3000  df-ral 3122  df-rex 3123  df-reu 3124  df-rab 3126  df-v 3416  df-sbc 3663  df-csb 3758  df-dif 3801  df-un 3803  df-in 3805  df-ss 3812  df-nul 4145  df-if 4307  df-pw 4380  df-sn 4398  df-pr 4400  df-op 4404  df-uni 4659  df-iun 4742  df-br 4874  df-opab 4936  df-mpt 4953  df-id 5250  df-xp 5348  df-rel 5349  df-cnv 5350  df-co 5351  df-dm 5352  df-rn 5353  df-res 5354  df-ima 5355  df-iota 6086  df-fun 6125  df-fn 6126  df-f 6127  df-f1 6128  df-fo 6129  df-f1o 6130  df-fv 6131  df-oprab 6909  df-mpt2 6910  df-1st 7428  df-2nd 7429
This theorem is referenced by:  mpt2exga  7509  isofn  16787  rmodislmod  19287  eulerpartgbij  30979  hspval  41617  digfval  43238
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