| 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 8158 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4042 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3989 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8159 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4364 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3989 | . 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 2149 ≠ wne 2964 {crab 3423 Vcvv 3463 ⊆ wss 3913 ∅c0 4294 {csn 4594 dom cdm 5662 “ cima 5665 (class class class)co 7411 supp csupp 8156 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pr 5405 ax-un 7733 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fv 6545 df-ov 7414 df-oprab 7415 df-mpo 7416 df-supp 8157 |
| This theorem is referenced by: snopsuppss 8175 wemapso2lem 9514 cantnfcl 9636 cantnfle 9640 cantnflt 9641 cantnff 9643 cantnfres 9646 cantnfp1lem3 9649 cantnflem1b 9655 cantnflem1 9658 cantnflem3 9660 cnfcomlem 9668 cnfcom 9669 cnfcom3lem 9672 cnfcom3 9673 fsuppmapnn0fiublem 14026 fsuppmapnn0fiub 14027 gsumval3lem1 19975 gsumval3lem2 19976 gsumval3 19977 gsumzres 19979 gsumzcl2 19980 gsumzf1o 19982 gsumzaddlem 19991 gsumconst 20004 gsumzoppg 20014 gsum2d 20042 dpjidcl 20130 gsumfsum 21553 regsumsupp 21741 frlmlbs 21916 psrass1lem 22052 psrass1 22082 psrass23l 22085 psrcom 22086 psrass23 22087 mplcoe1 22157 psropprmul 22366 coe1mul2 22399 tsmsgsum 24265 rrxcph 25520 rrxsuppss 25531 rrxmval 25533 mdegfval 26188 mdegleb 26190 mdegldg 26192 deg1mul3le 26243 wilthlem3 27200 suppovss 32967 fressupp 32974 ressupprn 32976 supppreima 32977 fsupprnfi 32978 fsuppcurry1 33010 fsuppcurry2 33011 gsumfs2d 33322 gsumhashmul 33328 elrgspnlem4 33506 elrgspnsubrunlem1 33508 elrgspnsubrunlem2 33509 elrspunidl 33680 rprmdvdsprod 33769 1arithidom 33772 esplymhp 33903 esplyfv1 33904 esplyfval3 33907 esplyfval1 33908 esplyfvaln 33909 esplyind 33910 fedgmullem1 33964 fldextrspunlsplem 34008 fldextrspunlsp 34009 zarcmplem 34216 fdivmpt 49205 fdivmptf 49206 refdivmptf 49207 fdivpm 49208 refdivpm 49209 |
| Copyright terms: Public domain | W3C validator |