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Theorem psrbagf 21958
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 2853 . 2 (𝐹𝐷𝐹 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin})
3 elrabi 3645 . . 3 (𝐹 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} → 𝐹 ∈ (ℕ0m 𝐼))
4 elmapi 8824 . . 3 (𝐹 ∈ (ℕ0m 𝐼) → 𝐹:𝐼⟶ℕ0)
53, 4syl 17 . 2 (𝐹 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} → 𝐹:𝐼⟶ℕ0)
62, 5sylbi 219 1 (𝐹𝐷𝐹:𝐼⟶ℕ0)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1559  wcel 2141  {crab 3413  ccnv 5642  cima 5646  wf 6512  (class class class)co 7391  m cmap 8802  Fincfn 8921  cn 12204  0cn0 12475
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1814  ax-4 1828  ax-5 1929  ax-6 1986  ax-7 2027  ax-8 2143  ax-9 2151  ax-10 2174  ax-11 2190  ax-12 2211  ax-ext 2733  ax-sep 5243  ax-nul 5253  ax-pow 5319  ax-pr 5387  ax-un 7713
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1099  df-tru 1562  df-fal 1572  df-ex 1799  df-nf 1803  df-sb 2090  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3076  df-rex 3086  df-rab 3414  df-v 3455  df-sbc 3743  df-csb 3851  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-nul 4284  df-if 4478  df-pw 4554  df-sn 4580  df-pr 4582  df-op 4586  df-uni 4863  df-iun 4948  df-br 5098  df-opab 5160  df-mpt 5179  df-id 5538  df-xp 5649  df-rel 5650  df-cnv 5651  df-co 5652  df-dm 5653  df-rn 5654  df-res 5655  df-ima 5656  df-iota 6472  df-fun 6518  df-fn 6519  df-f 6520  df-fv 6524  df-ov 7394  df-oprab 7395  df-mpo 7396  df-1st 7965  df-2nd 7966  df-map 8804
This theorem is referenced by:  psrbagfsupp  21959  psrbaglesupp  21962  psrbaglecl  21963  psrbagaddcl  21964  psrbagcon  21965  psrbaglefi  21966  psrbagconcl  21967  psrbagleadd1  21968  psrbagconf1o  21969  psrbagres  21970  gsumbagdiaglem  21971  psrass1lem  21973  rhmpsrlem2  21981  psrlidm  22001  psrridm  22002  psrass1  22003  psrcom  22007  mplsubrglem  22043  mplmonmul  22077  psrbagev1  22118  evlslem3  22121  evlslem1  22123  evlsvvvallem  22132  evlsvvval  22134  selvvvval  22183  mhpmulcl  22202  psdcl  22214  psdmplcl  22215  psdadd  22216  psdvsca  22217  psdmul  22219  psdmvr  22222  psropprmul  22287  tdeglem1  26106  tdeglem3  26107  tdeglem4  26108  mdegmullem  26126  mplvrpmfgalem  33802  psrmonmul  33808  evlselvlem  43131  evlselv  43132  mhphflem  43139  mhphf  43140
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