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| Mirrors > Home > MPE Home > Th. List > suppssdm | Structured version Visualization version GIF version | ||
| Description: The support of a function is a subset of the function's domain. (Contributed by AV, 30-May-2019.) |
| Ref | Expression |
|---|---|
| suppssdm | ⊢ (𝐹 supp 𝑍) ⊆ dom 𝐹 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | suppval 8216 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4008 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3957 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8217 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4353 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3957 | . 2 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 7 | 3, 6 | pm2.61i 184 | 1 ⊢ (𝐹 supp 𝑍) ⊆ dom 𝐹 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 ∧ wa 401 ∈ wcel 2147 ≠ wne 2959 {crab 3416 Vcvv 3454 ⊆ wss 3900 ∅c0 4281 {csn 4588 dom cdm 5658 “ cima 5661 (class class class)co 7451 supp csupp 8214 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pr 5398 ax-un 7783 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-supp 8215 |
| This theorem is used by: snopsuppss 8234 wemapso2lem 9583 cantnfcl 9705 cantnfle 9709 cantnflt 9710 cantnff 9712 cantnfres 9715 cantnfp1lem3 9718 cantnflem1b 9724 cantnflem1 9727 cantnflem3 9729 cnfcomlem 9737 cnfcom 9738 cnfcom3lem 9741 cnfcom3 9742 fsuppmapnn0fiublem 14173 fsuppmapnn0fiub 14174 gsumval3lem1 20170 gsumval3lem2 20171 gsumval3 20172 gsumzres 20174 gsumzcl2 20175 gsumzf1o 20177 gsumzaddlem 20186 gsumconst 20199 gsumzoppg 20209 gsum2d 20237 dpjidcl 20325 gsumfsum 21794 regsumsupp 21983 frlmlbs 22158 psrass1lem 22296 psrass1 22326 psrass23l 22329 psrcom 22330 psrass23 22331 mplcoe1 22401 psropprmul 22610 coe1mul2 22643 tsmsgsum 24513 rrxcph 25768 rrxsuppss 25779 rrxmval 25781 mdegfval 26435 mdegleb 26437 mdegldg 26439 deg1mul3le 26490 wilthlem3 27454 suppovss 33371 fressupp 33378 ressupprn 33380 supppreima 33381 fsupprnfi 33382 fsuppcurry1 33412 fsuppcurry2 33413 gsumfs2d 33721 gsumhashmul 33727 elrgspnlem4 33905 elrgspnsubrunlem1 33907 elrgspnsubrunlem2 33908 elrspunidl 34082 rprmdvdsprod 34170 1arithidom 34173 esplymhp 34311 esplyfv1 34312 esplyfval3 34315 esplyfval1 34316 esplyfvaln 34317 esplyind 34318 fedgmullem1 34372 fldextrspunlsplem 34416 fldextrspunlsp 34417 zarcmplem 34624 fdivmpt 49983 fdivmptf 49984 refdivmptf 49985 fdivpm 49986 refdivpm 49987 |
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