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Theorem mreunirn 17549
Description: Two ways to express the notion of being a Moore collection on an unspecified base. (Contributed by Stefan O'Rear, 30-Jan-2015.)
Assertion
Ref Expression
mreunirn (𝐶 ran Moore ↔ 𝐶 ∈ (Moore‘ 𝐶))

Proof of Theorem mreunirn
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 fnmre 17539 . . . 4 Moore Fn V
2 fnunirn 7255 . . . 4 (Moore Fn V → (𝐶 ran Moore ↔ ∃𝑥 ∈ V 𝐶 ∈ (Moore‘𝑥)))
31, 2ax-mp 5 . . 3 (𝐶 ran Moore ↔ ∃𝑥 ∈ V 𝐶 ∈ (Moore‘𝑥))
4 mreuni 17548 . . . . . . 7 (𝐶 ∈ (Moore‘𝑥) → 𝐶 = 𝑥)
54fveq2d 6895 . . . . . 6 (𝐶 ∈ (Moore‘𝑥) → (Moore‘ 𝐶) = (Moore‘𝑥))
65eleq2d 2819 . . . . 5 (𝐶 ∈ (Moore‘𝑥) → (𝐶 ∈ (Moore‘ 𝐶) ↔ 𝐶 ∈ (Moore‘𝑥)))
76ibir 267 . . . 4 (𝐶 ∈ (Moore‘𝑥) → 𝐶 ∈ (Moore‘ 𝐶))
87rexlimivw 3151 . . 3 (∃𝑥 ∈ V 𝐶 ∈ (Moore‘𝑥) → 𝐶 ∈ (Moore‘ 𝐶))
93, 8sylbi 216 . 2 (𝐶 ran Moore → 𝐶 ∈ (Moore‘ 𝐶))
10 fvssunirn 6924 . . 3 (Moore‘ 𝐶) ⊆ ran Moore
1110sseli 3978 . 2 (𝐶 ∈ (Moore‘ 𝐶) → 𝐶 ran Moore)
129, 11impbii 208 1 (𝐶 ran Moore ↔ 𝐶 ∈ (Moore‘ 𝐶))
Colors of variables: wff setvar class
Syntax hints:  wb 205  wcel 2106  wrex 3070  Vcvv 3474   cuni 4908  ran crn 5677   Fn wfn 6538  cfv 6543  Moorecmre 17530
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 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2703  ax-sep 5299  ax-nul 5306  ax-pow 5363  ax-pr 5427
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2534  df-eu 2563  df-clab 2710  df-cleq 2724  df-clel 2810  df-nfc 2885  df-ne 2941  df-ral 3062  df-rex 3071  df-rab 3433  df-v 3476  df-dif 3951  df-un 3953  df-in 3955  df-ss 3965  df-nul 4323  df-if 4529  df-pw 4604  df-sn 4629  df-pr 4631  df-op 4635  df-uni 4909  df-br 5149  df-opab 5211  df-mpt 5232  df-id 5574  df-xp 5682  df-rel 5683  df-cnv 5684  df-co 5685  df-dm 5686  df-rn 5687  df-iota 6495  df-fun 6545  df-fn 6546  df-fv 6551  df-mre 17534
This theorem is referenced by:  fnmrc  17555  mrcfval  17556
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