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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 8105 | . . 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 8106 | . . 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 5624 “ cima 5627 (class class class)co 7360 supp csupp 8103 |
| 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 5231 ax-nul 5241 ax-pr 5370 ax-un 7682 |
| 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 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fv 6500 df-ov 7363 df-oprab 7364 df-mpo 7365 df-supp 8104 |
| This theorem is referenced by: snopsuppss 8122 wemapso2lem 9460 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 21424 regsumsupp 21612 frlmlbs 21787 psrass1lem 21922 psrass1 21952 psrass23l 21955 psrcom 21956 psrass23 21957 mplcoe1 22025 psropprmul 22211 coe1mul2 22244 tsmsgsum 24114 rrxcph 25369 rrxsuppss 25380 rrxmval 25382 mdegfval 26037 mdegleb 26039 mdegldg 26041 deg1mul3le 26092 wilthlem3 27047 suppovss 32769 fressupp 32776 ressupprn 32778 supppreima 32779 fsupprnfi 32780 fsuppcurry1 32812 fsuppcurry2 32813 gsumfs2d 33137 gsumhashmul 33143 elrgspnlem4 33321 elrgspnsubrunlem1 33323 elrgspnsubrunlem2 33324 elrspunidl 33503 rprmdvdsprod 33609 1arithidom 33612 esplymhp 33727 esplyfv1 33728 esplyfval3 33731 esplyfval1 33732 esplyfvaln 33733 esplyind 33734 fedgmullem1 33789 fldextrspunlsplem 33833 fldextrspunlsp 33834 zarcmplem 34041 fdivmpt 49028 fdivmptf 49029 refdivmptf 49030 fdivpm 49031 refdivpm 49032 |
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