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Mirrors > Home > MPE Home > Th. List > psrbagf | Structured version Visualization version GIF version |
Description: A finite bag is a function. (Contributed by Mario Carneiro, 29-Dec-2014.) Remove a sethood antecedent. (Revised by SN, 30-Jul-2024.) |
Ref | Expression |
---|---|
psrbag.d | ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} |
Ref | Expression |
---|---|
psrbagf | ⊢ (𝐹 ∈ 𝐷 → 𝐹:𝐼⟶ℕ0) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | psrbag.d | . . 3 ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} | |
2 | 1 | eleq2i 2830 | . 2 ⊢ (𝐹 ∈ 𝐷 ↔ 𝐹 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) |
3 | elrabi 3611 | . . 3 ⊢ (𝐹 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} → 𝐹 ∈ (ℕ0 ↑m 𝐼)) | |
4 | elmapi 8595 | . . 3 ⊢ (𝐹 ∈ (ℕ0 ↑m 𝐼) → 𝐹:𝐼⟶ℕ0) | |
5 | 3, 4 | syl 17 | . 2 ⊢ (𝐹 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} → 𝐹:𝐼⟶ℕ0) |
6 | 2, 5 | sylbi 216 | 1 ⊢ (𝐹 ∈ 𝐷 → 𝐹:𝐼⟶ℕ0) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2108 {crab 3067 ◡ccnv 5579 “ cima 5583 ⟶wf 6414 (class class class)co 7255 ↑m cmap 8573 Fincfn 8691 ℕcn 11903 ℕ0cn0 12163 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-ral 3068 df-rex 3069 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-fv 6426 df-ov 7258 df-oprab 7259 df-mpo 7260 df-1st 7804 df-2nd 7805 df-map 8575 |
This theorem is referenced by: psrbagfsupp 21033 psrbaglesupp 21037 psrbaglecl 21039 psrbagaddcl 21041 psrbagcon 21043 psrbaglefi 21045 psrbagconcl 21047 psrbagconf1o 21049 gsumbagdiaglem 21054 psrass1lem 21056 psrmulcllem 21066 psrlidm 21082 psrridm 21083 psrass1 21084 psrcom 21088 mplsubrglem 21120 mplmonmul 21147 psrbagev1 21195 evlslem3 21200 evlslem1 21202 mhpmulcl 21249 psropprmul 21319 tdeglem1 25125 tdeglem3 25127 tdeglem4 25129 mdegmullem 25148 evlsbagval 40198 mhphflem 40207 |
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