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Theorem gruf 10578
Description: A Grothendieck universe contains all functions on its elements. (Contributed by Mario Carneiro, 10-Jun-2013.)
Assertion
Ref Expression
gruf ((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) → 𝐹𝑈)

Proof of Theorem gruf
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 simp3 1137 . . . 4 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) → 𝐹:𝐴𝑈)
21feqmptd 6834 . . 3 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) → 𝐹 = (𝑥𝐴 ↦ (𝐹𝑥)))
3 fvex 6784 . . . 4 (𝐹𝑥) ∈ V
43fnasrn 7014 . . 3 (𝑥𝐴 ↦ (𝐹𝑥)) = ran (𝑥𝐴 ↦ ⟨𝑥, (𝐹𝑥)⟩)
52, 4eqtrdi 2796 . 2 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) → 𝐹 = ran (𝑥𝐴 ↦ ⟨𝑥, (𝐹𝑥)⟩))
6 simpl1 1190 . . . . 5 (((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) ∧ 𝑥𝐴) → 𝑈 ∈ Univ)
7 gruel 10570 . . . . . . 7 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝑥𝐴) → 𝑥𝑈)
873expa 1117 . . . . . 6 (((𝑈 ∈ Univ ∧ 𝐴𝑈) ∧ 𝑥𝐴) → 𝑥𝑈)
983adantl3 1167 . . . . 5 (((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) ∧ 𝑥𝐴) → 𝑥𝑈)
10 ffvelrn 6956 . . . . . 6 ((𝐹:𝐴𝑈𝑥𝐴) → (𝐹𝑥) ∈ 𝑈)
11103ad2antl3 1186 . . . . 5 (((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) ∧ 𝑥𝐴) → (𝐹𝑥) ∈ 𝑈)
12 gruop 10572 . . . . 5 ((𝑈 ∈ Univ ∧ 𝑥𝑈 ∧ (𝐹𝑥) ∈ 𝑈) → ⟨𝑥, (𝐹𝑥)⟩ ∈ 𝑈)
136, 9, 11, 12syl3anc 1370 . . . 4 (((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) ∧ 𝑥𝐴) → ⟨𝑥, (𝐹𝑥)⟩ ∈ 𝑈)
1413fmpttd 6986 . . 3 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) → (𝑥𝐴 ↦ ⟨𝑥, (𝐹𝑥)⟩):𝐴𝑈)
15 grurn 10568 . . 3 ((𝑈 ∈ Univ ∧ 𝐴𝑈 ∧ (𝑥𝐴 ↦ ⟨𝑥, (𝐹𝑥)⟩):𝐴𝑈) → ran (𝑥𝐴 ↦ ⟨𝑥, (𝐹𝑥)⟩) ∈ 𝑈)
1614, 15syld3an3 1408 . 2 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) → ran (𝑥𝐴 ↦ ⟨𝑥, (𝐹𝑥)⟩) ∈ 𝑈)
175, 16eqeltrd 2841 1 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) → 𝐹𝑈)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  w3a 1086  wcel 2110  cop 4573  cmpt 5162  ran crn 5591  wf 6428  cfv 6432  Univcgru 10557
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1975  ax-7 2015  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2158  ax-12 2175  ax-ext 2711  ax-sep 5227  ax-nul 5234  ax-pow 5292  ax-pr 5356  ax-un 7583
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1545  df-fal 1555  df-ex 1787  df-nf 1791  df-sb 2072  df-mo 2542  df-eu 2571  df-clab 2718  df-cleq 2732  df-clel 2818  df-nfc 2891  df-ne 2946  df-ral 3071  df-rex 3072  df-reu 3073  df-rab 3075  df-v 3433  df-sbc 3721  df-csb 3838  df-dif 3895  df-un 3897  df-in 3899  df-ss 3909  df-nul 4263  df-if 4466  df-pw 4541  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4846  df-iun 4932  df-br 5080  df-opab 5142  df-mpt 5163  df-tr 5197  df-id 5490  df-xp 5596  df-rel 5597  df-cnv 5598  df-co 5599  df-dm 5600  df-rn 5601  df-res 5602  df-ima 5603  df-iota 6390  df-fun 6434  df-fn 6435  df-f 6436  df-f1 6437  df-fo 6438  df-f1o 6439  df-fv 6440  df-ov 7275  df-oprab 7276  df-mpo 7277  df-map 8609  df-gru 10558
This theorem is referenced by: (None)
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