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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 8104 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4032 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3978 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8105 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4352 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3978 | . 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 2932 {crab 3399 Vcvv 3440 ⊆ wss 3901 ∅c0 4285 {csn 4580 dom cdm 5624 “ cima 5627 (class class class)co 7358 supp csupp 8102 |
| 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 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pr 5377 ax-un 7680 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-sbc 3741 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 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 7361 df-oprab 7362 df-mpo 7363 df-supp 8103 |
| This theorem is referenced by: snopsuppss 8121 wemapso2lem 9457 cantnfcl 9576 cantnfle 9580 cantnflt 9581 cantnff 9583 cantnfres 9586 cantnfp1lem3 9589 cantnflem1b 9595 cantnflem1 9598 cantnflem3 9600 cnfcomlem 9608 cnfcom 9609 cnfcom3lem 9612 cnfcom3 9613 fsuppmapnn0fiublem 13913 fsuppmapnn0fiub 13914 gsumval3lem1 19834 gsumval3lem2 19835 gsumval3 19836 gsumzres 19838 gsumzcl2 19839 gsumzf1o 19841 gsumzaddlem 19850 gsumconst 19863 gsumzoppg 19873 gsum2d 19901 dpjidcl 19989 gsumfsum 21389 regsumsupp 21577 frlmlbs 21752 psrass1lem 21888 psrass1 21919 psrass23l 21922 psrcom 21923 psrass23 21924 mplcoe1 21992 psropprmul 22178 coe1mul2 22211 tsmsgsum 24083 rrxcph 25348 rrxsuppss 25359 rrxmval 25361 mdegfval 26023 mdegleb 26025 mdegldg 26027 deg1mul3le 26078 wilthlem3 27036 suppovss 32760 fressupp 32767 ressupprn 32769 supppreima 32770 fsupprnfi 32771 fsuppcurry1 32803 fsuppcurry2 32804 gsumfs2d 33144 gsumhashmul 33150 elrgspnlem4 33327 elrgspnsubrunlem1 33329 elrgspnsubrunlem2 33330 elrspunidl 33509 rprmdvdsprod 33615 1arithidom 33618 esplymhp 33726 esplyfv1 33727 esplyfval3 33730 esplyind 33731 fedgmullem1 33786 fldextrspunlsplem 33830 fldextrspunlsp 33831 zarcmplem 34038 fdivmpt 48796 fdivmptf 48797 refdivmptf 48798 fdivpm 48799 refdivpm 48800 |
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