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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 8179 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4028 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3975 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8180 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4350 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3975 | . 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 2145 ≠ wne 2956 {crab 3413 Vcvv 3451 ⊆ wss 3899 ∅c0 4279 {csn 4584 dom cdm 5651 “ cima 5654 (class class class)co 7420 supp csupp 8177 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pr 5391 ax-un 7751 |
| 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 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-sbc 3740 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6494 df-fun 6540 df-fv 6546 df-ov 7423 df-oprab 7424 df-mpo 7425 df-supp 8178 |
| This theorem is used by: snopsuppss 8196 wemapso2lem 9546 cantnfcl 9668 cantnfle 9672 cantnflt 9673 cantnff 9675 cantnfres 9678 cantnfp1lem3 9681 cantnflem1b 9687 cantnflem1 9690 cantnflem3 9692 cnfcomlem 9700 cnfcom 9701 cnfcom3lem 9704 cnfcom3 9705 fsuppmapnn0fiublem 14133 fsuppmapnn0fiub 14134 gsumval3lem1 20119 gsumval3lem2 20120 gsumval3 20121 gsumzres 20123 gsumzcl2 20124 gsumzf1o 20126 gsumzaddlem 20135 gsumconst 20148 gsumzoppg 20158 gsum2d 20186 dpjidcl 20274 gsumfsum 21740 regsumsupp 21928 frlmlbs 22103 psrass1lem 22241 psrass1 22271 psrass23l 22274 psrcom 22275 psrass23 22276 mplcoe1 22346 psropprmul 22555 coe1mul2 22588 tsmsgsum 24458 rrxcph 25713 rrxsuppss 25724 rrxmval 25726 mdegfval 26380 mdegleb 26382 mdegldg 26384 deg1mul3le 26435 wilthlem3 27397 suppovss 33274 fressupp 33281 ressupprn 33283 supppreima 33284 fsupprnfi 33285 fsuppcurry1 33316 fsuppcurry2 33317 gsumfs2d 33622 gsumhashmul 33628 elrgspnlem4 33806 elrgspnsubrunlem1 33808 elrgspnsubrunlem2 33809 elrspunidl 33978 rprmdvdsprod 34066 1arithidom 34069 esplymhp 34200 esplyfv1 34201 esplyfval3 34204 esplyfval1 34205 esplyfvaln 34206 esplyind 34207 fedgmullem1 34261 fldextrspunlsplem 34305 fldextrspunlsp 34306 zarcmplem 34513 fdivmpt 49651 fdivmptf 49652 refdivmptf 49653 fdivpm 49654 refdivpm 49655 |
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