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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 8106 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4021 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3967 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8107 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4341 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3967 | . 2 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 7 | 3, 6 | pm2.61i 182 | 1 ⊢ (𝐹 supp 𝑍) ⊆ dom 𝐹 |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 ∧ wa 395 ∈ wcel 2114 ≠ wne 2933 {crab 3390 Vcvv 3430 ⊆ wss 3890 ∅c0 4274 {csn 4568 dom cdm 5625 “ cima 5628 (class class class)co 7361 supp csupp 8104 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pr 5371 ax-un 7683 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fv 6501 df-ov 7364 df-oprab 7365 df-mpo 7366 df-supp 8105 |
| This theorem is referenced by: snopsuppss 8123 wemapso2lem 9461 cantnfcl 9582 cantnfle 9586 cantnflt 9587 cantnff 9589 cantnfres 9592 cantnfp1lem3 9595 cantnflem1b 9601 cantnflem1 9604 cantnflem3 9606 cnfcomlem 9614 cnfcom 9615 cnfcom3lem 9618 cnfcom3 9619 fsuppmapnn0fiublem 13946 fsuppmapnn0fiub 13947 gsumval3lem1 19874 gsumval3lem2 19875 gsumval3 19876 gsumzres 19878 gsumzcl2 19879 gsumzf1o 19881 gsumzaddlem 19890 gsumconst 19903 gsumzoppg 19913 gsum2d 19941 dpjidcl 20029 gsumfsum 21427 regsumsupp 21615 frlmlbs 21790 psrass1lem 21925 psrass1 21955 psrass23l 21958 psrcom 21959 psrass23 21960 mplcoe1 22028 psropprmul 22214 coe1mul2 22247 tsmsgsum 24117 rrxcph 25372 rrxsuppss 25383 rrxmval 25385 mdegfval 26040 mdegleb 26042 mdegldg 26044 deg1mul3le 26095 wilthlem3 27050 suppovss 32772 fressupp 32779 ressupprn 32781 supppreima 32782 fsupprnfi 32783 fsuppcurry1 32815 fsuppcurry2 32816 gsumfs2d 33140 gsumhashmul 33146 elrgspnlem4 33324 elrgspnsubrunlem1 33326 elrgspnsubrunlem2 33327 elrspunidl 33506 rprmdvdsprod 33612 1arithidom 33615 esplymhp 33730 esplyfv1 33731 esplyfval3 33734 esplyfval1 33735 esplyfvaln 33736 esplyind 33737 fedgmullem1 33792 fldextrspunlsplem 33836 fldextrspunlsp 33837 zarcmplem 34044 fdivmpt 49031 fdivmptf 49032 refdivmptf 49033 fdivpm 49034 refdivpm 49035 |
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