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Theorem gruf 10567
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 6837 . . 3 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) → 𝐹 = (𝑥𝐴 ↦ (𝐹𝑥)))
3 fvex 6787 . . . 4 (𝐹𝑥) ∈ V
43fnasrn 7017 . . 3 (𝑥𝐴 ↦ (𝐹𝑥)) = ran (𝑥𝐴 ↦ ⟨𝑥, (𝐹𝑥)⟩)
52, 4eqtrdi 2794 . 2 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) → 𝐹 = ran (𝑥𝐴 ↦ ⟨𝑥, (𝐹𝑥)⟩))
6 simpl1 1190 . . . . 5 (((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) ∧ 𝑥𝐴) → 𝑈 ∈ Univ)
7 gruel 10559 . . . . . . 7 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝑥𝐴) → 𝑥𝑈)
873expa 1117 . . . . . 6 (((𝑈 ∈ Univ ∧ 𝐴𝑈) ∧ 𝑥𝐴) → 𝑥𝑈)
983adantl3 1167 . . . . 5 (((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) ∧ 𝑥𝐴) → 𝑥𝑈)
10 ffvelrn 6959 . . . . . 6 ((𝐹:𝐴𝑈𝑥𝐴) → (𝐹𝑥) ∈ 𝑈)
11103ad2antl3 1186 . . . . 5 (((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) ∧ 𝑥𝐴) → (𝐹𝑥) ∈ 𝑈)
12 gruop 10561 . . . . 5 ((𝑈 ∈ Univ ∧ 𝑥𝑈 ∧ (𝐹𝑥) ∈ 𝑈) → ⟨𝑥, (𝐹𝑥)⟩ ∈ 𝑈)
136, 9, 11, 12syl3anc 1370 . . . 4 (((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) ∧ 𝑥𝐴) → ⟨𝑥, (𝐹𝑥)⟩ ∈ 𝑈)
1413fmpttd 6989 . . 3 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) → (𝑥𝐴 ↦ ⟨𝑥, (𝐹𝑥)⟩):𝐴𝑈)
15 grurn 10557 . . 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 2839 1 ((𝑈 ∈ Univ ∧ 𝐴𝑈𝐹:𝐴𝑈) → 𝐹𝑈)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  w3a 1086  wcel 2106  cop 4567  cmpt 5157  ran crn 5590  wf 6429  cfv 6433  Univcgru 10546
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  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 2709  ax-sep 5223  ax-nul 5230  ax-pow 5288  ax-pr 5352  ax-un 7588
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-ral 3069  df-rex 3070  df-reu 3072  df-rab 3073  df-v 3434  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-nul 4257  df-if 4460  df-pw 4535  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-iun 4926  df-br 5075  df-opab 5137  df-mpt 5158  df-tr 5192  df-id 5489  df-xp 5595  df-rel 5596  df-cnv 5597  df-co 5598  df-dm 5599  df-rn 5600  df-res 5601  df-ima 5602  df-iota 6391  df-fun 6435  df-fn 6436  df-f 6437  df-f1 6438  df-fo 6439  df-f1o 6440  df-fv 6441  df-ov 7278  df-oprab 7279  df-mpo 7280  df-map 8617  df-gru 10547
This theorem is referenced by: (None)
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