| 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 8164 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4035 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3982 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8165 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4357 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3982 | . 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 2146 ≠ wne 2960 {crab 3418 Vcvv 3457 ⊆ wss 3906 ∅c0 4286 {csn 4591 dom cdm 5663 “ cima 5666 (class class class)co 7419 supp csupp 8162 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pr 5406 ax-un 7742 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-sbc 3747 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fv 6548 df-ov 7422 df-oprab 7423 df-mpo 7424 df-supp 8163 |
| This theorem is used by: snopsuppss 8181 wemapso2lem 9521 cantnfcl 9643 cantnfle 9647 cantnflt 9648 cantnff 9650 cantnfres 9653 cantnfp1lem3 9656 cantnflem1b 9662 cantnflem1 9665 cantnflem3 9667 cnfcomlem 9675 cnfcom 9676 cnfcom3lem 9679 cnfcom3 9680 fsuppmapnn0fiublem 14046 fsuppmapnn0fiub 14047 gsumval3lem1 20021 gsumval3lem2 20022 gsumval3 20023 gsumzres 20025 gsumzcl2 20026 gsumzf1o 20028 gsumzaddlem 20037 gsumconst 20050 gsumzoppg 20060 gsum2d 20088 dpjidcl 20176 gsumfsum 21636 regsumsupp 21824 frlmlbs 21999 psrass1lem 22135 psrass1 22165 psrass23l 22168 psrcom 22169 psrass23 22170 mplcoe1 22240 psropprmul 22449 coe1mul2 22482 tsmsgsum 24349 rrxcph 25604 rrxsuppss 25615 rrxmval 25617 mdegfval 26272 mdegleb 26274 mdegldg 26276 deg1mul3le 26327 wilthlem3 27287 suppovss 33099 fressupp 33106 ressupprn 33108 supppreima 33109 fsupprnfi 33110 fsuppcurry1 33141 fsuppcurry2 33142 gsumfs2d 33447 gsumhashmul 33453 elrgspnlem4 33631 elrgspnsubrunlem1 33633 elrgspnsubrunlem2 33634 elrspunidl 33802 rprmdvdsprod 33890 1arithidom 33893 esplymhp 34024 esplyfv1 34025 esplyfval3 34028 esplyfval1 34029 esplyfvaln 34030 esplyind 34031 fedgmullem1 34085 fldextrspunlsplem 34129 fldextrspunlsp 34130 zarcmplem 34337 fdivmpt 49379 fdivmptf 49380 refdivmptf 49381 fdivpm 49382 refdivpm 49383 |
| Copyright terms: Public domain | W3C validator |