| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 8154 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4034 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3981 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8155 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4357 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3981 | . 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 |
| Syntax hints: ¬ wn 3 ∧ wa 400 ∈ wcel 2143 ≠ wne 2958 {crab 3416 Vcvv 3455 ⊆ wss 3905 ∅c0 4286 {csn 4589 dom cdm 5661 “ cima 5664 (class class class)co 7410 supp csupp 8152 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pr 5404 ax-un 7732 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 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 3417 df-v 3457 df-sbc 3745 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fv 6544 df-ov 7413 df-oprab 7414 df-mpo 7415 df-supp 8153 |
| This theorem is referenced by: snopsuppss 8171 wemapso2lem 9510 cantnfcl 9632 cantnfle 9636 cantnflt 9637 cantnff 9639 cantnfres 9642 cantnfp1lem3 9645 cantnflem1b 9651 cantnflem1 9654 cantnflem3 9656 cnfcomlem 9664 cnfcom 9665 cnfcom3lem 9668 cnfcom3 9669 fsuppmapnn0fiublem 14022 fsuppmapnn0fiub 14023 gsumval3lem1 19970 gsumval3lem2 19971 gsumval3 19972 gsumzres 19974 gsumzcl2 19975 gsumzf1o 19977 gsumzaddlem 19986 gsumconst 19999 gsumzoppg 20009 gsum2d 20037 dpjidcl 20125 gsumfsum 21584 regsumsupp 21772 frlmlbs 21947 psrass1lem 22083 psrass1 22113 psrass23l 22116 psrcom 22117 psrass23 22118 mplcoe1 22188 psropprmul 22397 coe1mul2 22430 tsmsgsum 24296 rrxcph 25551 rrxsuppss 25562 rrxmval 25564 mdegfval 26219 mdegleb 26221 mdegldg 26223 deg1mul3le 26274 wilthlem3 27234 suppovss 33026 fressupp 33033 ressupprn 33035 supppreima 33036 fsupprnfi 33037 fsuppcurry1 33069 fsuppcurry2 33070 gsumfs2d 33381 gsumhashmul 33387 elrgspnlem4 33565 elrgspnsubrunlem1 33567 elrgspnsubrunlem2 33568 elrspunidl 33736 rprmdvdsprod 33824 1arithidom 33827 esplymhp 33958 esplyfv1 33959 esplyfval3 33962 esplyfval1 33963 esplyfvaln 33964 esplyind 33965 fedgmullem1 34019 fldextrspunlsplem 34063 fldextrspunlsp 34064 zarcmplem 34271 fdivmpt 49340 fdivmptf 49341 refdivmptf 49342 fdivpm 49343 refdivpm 49344 |
| Copyright terms: Public domain | W3C validator |