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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 8102 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4011 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3959 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8103 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4328 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3959 | . 2 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 7 | 3, 6 | pm2.61i 183 | 1 ⊢ (𝐹 supp 𝑍) ⊆ dom 𝐹 |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 ∧ wa 396 ∈ wcel 2119 ≠ wne 2934 {crab 3391 Vcvv 3431 ⊆ wss 3883 ∅c0 4261 {csn 4555 dom cdm 5618 “ cima 5621 (class class class)co 7356 supp csupp 8100 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-nul 5228 ax-pr 5362 ax-un 7678 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-sbc 3724 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-opab 5135 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-iota 6441 df-fun 6487 df-fv 6493 df-ov 7359 df-oprab 7360 df-mpo 7361 df-supp 8101 |
| This theorem is referenced by: snopsuppss 8119 wemapso2lem 9457 cantnfcl 9579 cantnfle 9583 cantnflt 9584 cantnff 9586 cantnfres 9589 cantnfp1lem3 9592 cantnflem1b 9598 cantnflem1 9601 cantnflem3 9603 cnfcomlem 9611 cnfcom 9612 cnfcom3lem 9615 cnfcom3 9616 fsuppmapnn0fiublem 13943 fsuppmapnn0fiub 13944 gsumval3lem1 19871 gsumval3lem2 19872 gsumval3 19873 gsumzres 19875 gsumzcl2 19876 gsumzf1o 19878 gsumzaddlem 19887 gsumconst 19900 gsumzoppg 19910 gsum2d 19938 dpjidcl 20026 gsumfsum 21409 regsumsupp 21597 frlmlbs 21772 psrass1lem 21908 psrass1 21938 psrass23l 21941 psrcom 21942 psrass23 21943 mplcoe1 22013 psropprmul 22222 coe1mul2 22255 tsmsgsum 24122 rrxcph 25377 rrxsuppss 25388 rrxmval 25390 mdegfval 26045 mdegleb 26047 mdegldg 26049 deg1mul3le 26100 wilthlem3 27051 suppovss 32773 fressupp 32780 ressupprn 32782 supppreima 32783 fsupprnfi 32784 fsuppcurry1 32816 fsuppcurry2 32817 gsumfs2d 33142 gsumhashmul 33148 elrgspnlem4 33326 elrgspnsubrunlem1 33328 elrgspnsubrunlem2 33329 elrspunidl 33511 rprmdvdsprod 33617 1arithidom 33620 esplymhp 33752 esplyfv1 33753 esplyfval3 33756 esplyfval1 33757 esplyfvaln 33758 esplyind 33759 fedgmullem1 33813 fldextrspunlsplem 33857 fldextrspunlsp 33858 zarcmplem 34065 fdivmpt 49031 fdivmptf 49032 refdivmptf 49033 fdivpm 49034 refdivpm 49035 |
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