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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 8112 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4020 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3966 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8113 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4340 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3966 | . 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 2932 {crab 3389 Vcvv 3429 ⊆ wss 3889 ∅c0 4273 {csn 4567 dom cdm 5631 “ cima 5634 (class class class)co 7367 supp csupp 8110 |
| 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 2708 ax-sep 5231 ax-nul 5241 ax-pr 5375 ax-un 7689 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-sbc 3729 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-id 5526 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6454 df-fun 6500 df-fv 6506 df-ov 7370 df-oprab 7371 df-mpo 7372 df-supp 8111 |
| This theorem is referenced by: snopsuppss 8129 wemapso2lem 9467 cantnfcl 9588 cantnfle 9592 cantnflt 9593 cantnff 9595 cantnfres 9598 cantnfp1lem3 9601 cantnflem1b 9607 cantnflem1 9610 cantnflem3 9612 cnfcomlem 9620 cnfcom 9621 cnfcom3lem 9624 cnfcom3 9625 fsuppmapnn0fiublem 13952 fsuppmapnn0fiub 13953 gsumval3lem1 19880 gsumval3lem2 19881 gsumval3 19882 gsumzres 19884 gsumzcl2 19885 gsumzf1o 19887 gsumzaddlem 19896 gsumconst 19909 gsumzoppg 19919 gsum2d 19947 dpjidcl 20035 gsumfsum 21414 regsumsupp 21602 frlmlbs 21777 psrass1lem 21912 psrass1 21942 psrass23l 21945 psrcom 21946 psrass23 21947 mplcoe1 22015 psropprmul 22201 coe1mul2 22234 tsmsgsum 24104 rrxcph 25359 rrxsuppss 25370 rrxmval 25372 mdegfval 26027 mdegleb 26029 mdegldg 26031 deg1mul3le 26082 wilthlem3 27033 suppovss 32754 fressupp 32761 ressupprn 32763 supppreima 32764 fsupprnfi 32765 fsuppcurry1 32797 fsuppcurry2 32798 gsumfs2d 33122 gsumhashmul 33128 elrgspnlem4 33306 elrgspnsubrunlem1 33308 elrgspnsubrunlem2 33309 elrspunidl 33488 rprmdvdsprod 33594 1arithidom 33597 esplymhp 33712 esplyfv1 33713 esplyfval3 33716 esplyfval1 33717 esplyfvaln 33718 esplyind 33719 fedgmullem1 33773 fldextrspunlsplem 33817 fldextrspunlsp 33818 zarcmplem 34025 fdivmpt 49016 fdivmptf 49017 refdivmptf 49018 fdivpm 49019 refdivpm 49020 |
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