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| Mirrors > Home > MPE Home > Th. List > fcdmnn0fsuppg | Structured version Visualization version GIF version | ||
| Description: Version of fcdmnn0fsupp 12457 avoiding ax-rep 5222 by assuming 𝐹 is a set rather than its domain 𝐼. (Contributed by SN, 5-Aug-2024.) |
| Ref | Expression |
|---|---|
| fcdmnn0fsuppg | ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐹:𝐼⟶ℕ0) → (𝐹 finSupp 0 ↔ (◡𝐹 “ ℕ) ∈ Fin)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ffun 6663 | . . 3 ⊢ (𝐹:𝐼⟶ℕ0 → Fun 𝐹) | |
| 2 | simpl 482 | . . 3 ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐹:𝐼⟶ℕ0) → 𝐹 ∈ 𝑉) | |
| 3 | c0ex 11124 | . . . 4 ⊢ 0 ∈ V | |
| 4 | funisfsupp 9268 | . . . 4 ⊢ ((Fun 𝐹 ∧ 𝐹 ∈ 𝑉 ∧ 0 ∈ V) → (𝐹 finSupp 0 ↔ (𝐹 supp 0) ∈ Fin)) | |
| 5 | 3, 4 | mp3an3 1452 | . . 3 ⊢ ((Fun 𝐹 ∧ 𝐹 ∈ 𝑉) → (𝐹 finSupp 0 ↔ (𝐹 supp 0) ∈ Fin)) |
| 6 | 1, 2, 5 | syl2an2 686 | . 2 ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐹:𝐼⟶ℕ0) → (𝐹 finSupp 0 ↔ (𝐹 supp 0) ∈ Fin)) |
| 7 | fcdmnn0suppg 12458 | . . 3 ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐹:𝐼⟶ℕ0) → (𝐹 supp 0) = (◡𝐹 “ ℕ)) | |
| 8 | 7 | eleq1d 2819 | . 2 ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐹:𝐼⟶ℕ0) → ((𝐹 supp 0) ∈ Fin ↔ (◡𝐹 “ ℕ) ∈ Fin)) |
| 9 | 6, 8 | bitrd 279 | 1 ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐹:𝐼⟶ℕ0) → (𝐹 finSupp 0 ↔ (◡𝐹 “ ℕ) ∈ Fin)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 ∈ wcel 2113 Vcvv 3438 class class class wbr 5096 ◡ccnv 5621 “ cima 5625 Fun wfun 6484 ⟶wf 6486 (class class class)co 7356 supp csupp 8100 Fincfn 8881 finSupp cfsupp 9262 0cc0 11024 ℕcn 12143 ℕ0cn0 12399 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-2nd 7932 df-supp 8101 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-er 8633 df-en 8882 df-dom 8883 df-sdom 8884 df-fsupp 9263 df-pnf 11166 df-mnf 11167 df-xr 11168 df-ltxr 11169 df-le 11170 df-nn 12144 df-n0 12400 |
| This theorem is referenced by: psrbagfsupp 21873 psrbagres 42741 evlselvlem 42771 evlselv 42772 |
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