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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 4030 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3976 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8103 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4350 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3976 | . 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 2113 ≠ wne 2930 {crab 3397 Vcvv 3438 ⊆ wss 3899 ∅c0 4283 {csn 4578 dom cdm 5622 “ cima 5625 (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 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pr 5375 ax-un 7678 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-sbc 3739 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-opab 5159 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fv 6498 df-ov 7359 df-oprab 7360 df-mpo 7361 df-supp 8101 |
| This theorem is referenced by: snopsuppss 8119 wemapso2lem 9455 cantnfcl 9574 cantnfle 9578 cantnflt 9579 cantnff 9581 cantnfres 9584 cantnfp1lem3 9587 cantnflem1b 9593 cantnflem1 9596 cantnflem3 9598 cnfcomlem 9606 cnfcom 9607 cnfcom3lem 9610 cnfcom3 9611 fsuppmapnn0fiublem 13911 fsuppmapnn0fiub 13912 gsumval3lem1 19832 gsumval3lem2 19833 gsumval3 19834 gsumzres 19836 gsumzcl2 19837 gsumzf1o 19839 gsumzaddlem 19848 gsumconst 19861 gsumzoppg 19871 gsum2d 19899 dpjidcl 19987 gsumfsum 21387 regsumsupp 21575 frlmlbs 21750 psrass1lem 21886 psrass1 21917 psrass23l 21920 psrcom 21921 psrass23 21922 mplcoe1 21990 psropprmul 22176 coe1mul2 22209 tsmsgsum 24081 rrxcph 25346 rrxsuppss 25357 rrxmval 25359 mdegfval 26021 mdegleb 26023 mdegldg 26025 deg1mul3le 26076 wilthlem3 27034 suppovss 32709 fressupp 32716 ressupprn 32718 supppreima 32719 fsupprnfi 32720 fsuppcurry1 32752 fsuppcurry2 32753 gsumfs2d 33093 gsumhashmul 33099 elrgspnlem4 33276 elrgspnsubrunlem1 33278 elrgspnsubrunlem2 33279 elrspunidl 33458 rprmdvdsprod 33564 1arithidom 33567 esplymhp 33675 esplyfv1 33676 esplyfval3 33679 esplyind 33680 fedgmullem1 33735 fldextrspunlsplem 33779 fldextrspunlsp 33780 zarcmplem 33987 fdivmpt 48728 fdivmptf 48729 refdivmptf 48730 fdivpm 48731 refdivpm 48732 |
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