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Theorem mpoexg 6375
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
mpoexg.1 𝐹 = (𝑥𝐴, 𝑦𝐵𝐶)
Assertion
Ref Expression
mpoexg ((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 mpoexg
StepHypRef Expression
1 elex 2814 . . 3 (𝐵𝑆𝐵 ∈ V)
2 elex 2814 . . . 4 (𝐵 ∈ V → 𝐵 ∈ V)
32ralrimivw 2606 . . 3 (𝐵 ∈ V → ∀𝑥𝐴 𝐵 ∈ V)
41, 3syl 14 . 2 (𝐵𝑆 → ∀𝑥𝐴 𝐵 ∈ V)
5 mpoexg.1 . . 3 𝐹 = (𝑥𝐴, 𝑦𝐵𝐶)
65mpoexxg 6374 . 2 ((𝐴𝑅 ∧ ∀𝑥𝐴 𝐵 ∈ V) → 𝐹 ∈ V)
74, 6sylan2 286 1 ((𝐴𝑅𝐵𝑆) → 𝐹 ∈ V)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104   = wceq 1397  wcel 2202  wral 2510  Vcvv 2802  cmpo 6019
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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-coll 4204  ax-sep 4207  ax-pow 4264  ax-pr 4299  ax-un 4530
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ral 2515  df-rex 2516  df-reu 2517  df-rab 2519  df-v 2804  df-sbc 3032  df-csb 3128  df-un 3204  df-in 3206  df-ss 3213  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-iun 3972  df-br 4089  df-opab 4151  df-mpt 4152  df-id 4390  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-ima 4738  df-iota 5286  df-fun 5328  df-fn 5329  df-f 5330  df-f1 5331  df-fo 5332  df-f1o 5333  df-fv 5334  df-oprab 6021  df-mpo 6022  df-1st 6302  df-2nd 6303
This theorem is referenced by:  mpoexga  6376  xpsval  13434  rmodislmod  14364  psrval  14679
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