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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 8189 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4007 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3956 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8190 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4352 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3956 | . 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 2146 ≠ wne 2958 {crab 3415 Vcvv 3453 ⊆ wss 3899 ∅c0 4280 {csn 4587 dom cdm 5654 “ cima 5657 (class class class)co 7427 supp csupp 8187 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5251 ax-nul 5262 ax-pr 5394 ax-un 7758 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3416 df-v 3455 df-sbc 3742 df-ss 3900 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-op 4838 df-uni 4870 df-br 5106 df-opab 5170 df-id 5549 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-iota 6500 df-fun 6548 df-fv 6554 df-ov 7430 df-oprab 7431 df-mpo 7432 df-supp 8188 |
| This theorem is used by: snopsuppss 8207 wemapso2lem 9556 cantnfcl 9678 cantnfle 9682 cantnflt 9683 cantnff 9685 cantnfres 9688 cantnfp1lem3 9691 cantnflem1b 9697 cantnflem1 9700 cantnflem3 9702 cnfcomlem 9710 cnfcom 9711 cnfcom3lem 9714 cnfcom3 9715 fsuppmapnn0fiublem 14143 fsuppmapnn0fiub 14144 gsumval3lem1 20131 gsumval3lem2 20132 gsumval3 20133 gsumzres 20135 gsumzcl2 20136 gsumzf1o 20138 gsumzaddlem 20147 gsumconst 20160 gsumzoppg 20170 gsum2d 20198 dpjidcl 20286 gsumfsum 21752 regsumsupp 21940 frlmlbs 22115 psrass1lem 22253 psrass1 22283 psrass23l 22286 psrcom 22287 psrass23 22288 mplcoe1 22358 psropprmul 22567 coe1mul2 22600 tsmsgsum 24470 rrxcph 25725 rrxsuppss 25736 rrxmval 25738 mdegfval 26392 mdegleb 26394 mdegldg 26396 deg1mul3le 26447 wilthlem3 27409 suppovss 33328 fressupp 33335 ressupprn 33337 supppreima 33338 fsupprnfi 33339 fsuppcurry1 33369 fsuppcurry2 33370 gsumfs2d 33675 gsumhashmul 33681 elrgspnlem4 33859 elrgspnsubrunlem1 33861 elrgspnsubrunlem2 33862 elrspunidl 34031 rprmdvdsprod 34119 1arithidom 34122 esplymhp 34253 esplyfv1 34254 esplyfval3 34257 esplyfval1 34258 esplyfvaln 34259 esplyind 34260 fedgmullem1 34314 fldextrspunlsplem 34358 fldextrspunlsp 34359 zarcmplem 34566 fdivmpt 49791 fdivmptf 49792 refdivmptf 49793 fdivpm 49794 refdivpm 49795 |
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