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Theorem psrbagf 21898
Description: A finite bag is a function. (Contributed by Mario Carneiro, 29-Dec-2014.) Remove a sethood antecedent. (Revised by SN, 30-Jul-2024.)
Hypothesis
Ref Expression
psrbag.d 𝐷 = {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}
Assertion
Ref Expression
psrbagf (𝐹𝐷𝐹:𝐼⟶ℕ0)
Distinct variable groups:   𝑓,𝐹   𝑓,𝐼
Allowed substitution hint:   𝐷(𝑓)

Proof of Theorem psrbagf
StepHypRef Expression
1 psrbag.d . . 3 𝐷 = {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}
21eleq2i 2828 . 2 (𝐹𝐷𝐹 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin})
3 elrabi 3630 . . 3 (𝐹 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} → 𝐹 ∈ (ℕ0m 𝐼))
4 elmapi 8796 . . 3 (𝐹 ∈ (ℕ0m 𝐼) → 𝐹:𝐼⟶ℕ0)
53, 4syl 17 . 2 (𝐹 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} → 𝐹:𝐼⟶ℕ0)
62, 5sylbi 217 1 (𝐹𝐷𝐹:𝐼⟶ℕ0)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1542  wcel 2114  {crab 3389  ccnv 5630  cima 5634  wf 6494  (class class class)co 7367  m cmap 8773  Fincfn 8893  cn 12174  0cn0 12437
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 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2708  ax-sep 5231  ax-nul 5241  ax-pow 5307  ax-pr 5375  ax-un 7689
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-ral 3052  df-rex 3062  df-rab 3390  df-v 3431  df-sbc 3729  df-csb 3838  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-nul 4274  df-if 4467  df-pw 4543  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4851  df-iun 4935  df-br 5086  df-opab 5148  df-mpt 5167  df-id 5526  df-xp 5637  df-rel 5638  df-cnv 5639  df-co 5640  df-dm 5641  df-rn 5642  df-res 5643  df-ima 5644  df-iota 6454  df-fun 6500  df-fn 6501  df-f 6502  df-fv 6506  df-ov 7370  df-oprab 7371  df-mpo 7372  df-1st 7942  df-2nd 7943  df-map 8775
This theorem is referenced by:  psrbagfsupp  21899  psrbaglesupp  21902  psrbaglecl  21903  psrbagaddcl  21904  psrbagcon  21905  psrbaglefi  21906  psrbagconcl  21907  psrbagleadd1  21908  psrbagconf1o  21909  gsumbagdiaglem  21910  psrass1lem  21912  rhmpsrlem2  21920  psrlidm  21940  psrridm  21941  psrass1  21942  psrcom  21946  mplsubrglem  21982  mplmonmul  22014  psrbagev1  22055  evlslem3  22058  evlslem1  22060  evlsvvvallem  22069  evlsvvval  22071  mhpmulcl  22115  psdcl  22127  psdmplcl  22128  psdadd  22129  psdvsca  22130  psdmul  22132  psdmvr  22135  psropprmul  22201  tdeglem1  26023  tdeglem3  26024  tdeglem4  26025  mdegmullem  26043  mplvrpmfgalem  33688  psrmonmul  33694  psrbagres  42989  selvvvval  43018  evlselvlem  43019  evlselv  43020  mhphflem  43029  mhphf  43030
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