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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 8114 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4034 | . . 3 ⊢ {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}} ⊆ dom 𝐹 | |
| 3 | 1, 2 | eqsstrdi 3980 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) ⊆ dom 𝐹) |
| 4 | supp0prc 8115 | . . 3 ⊢ (¬ (𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = ∅) | |
| 5 | 0ss 4354 | . . 3 ⊢ ∅ ⊆ dom 𝐹 | |
| 6 | 4, 5 | eqsstrdi 3980 | . 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 3401 Vcvv 3442 ⊆ wss 3903 ∅c0 4287 {csn 4582 dom cdm 5632 “ cima 5635 (class class class)co 7368 supp csupp 8112 |
| 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 5243 ax-nul 5253 ax-pr 5379 ax-un 7690 |
| 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 3402 df-v 3444 df-sbc 3743 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fv 6508 df-ov 7371 df-oprab 7372 df-mpo 7373 df-supp 8113 |
| This theorem is referenced by: snopsuppss 8131 wemapso2lem 9469 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 13925 fsuppmapnn0fiub 13926 gsumval3lem1 19846 gsumval3lem2 19847 gsumval3 19848 gsumzres 19850 gsumzcl2 19851 gsumzf1o 19853 gsumzaddlem 19862 gsumconst 19875 gsumzoppg 19885 gsum2d 19913 dpjidcl 20001 gsumfsum 21401 regsumsupp 21589 frlmlbs 21764 psrass1lem 21900 psrass1 21931 psrass23l 21934 psrcom 21935 psrass23 21936 mplcoe1 22004 psropprmul 22190 coe1mul2 22223 tsmsgsum 24095 rrxcph 25360 rrxsuppss 25371 rrxmval 25373 mdegfval 26035 mdegleb 26037 mdegldg 26039 deg1mul3le 26090 wilthlem3 27048 suppovss 32771 fressupp 32778 ressupprn 32780 supppreima 32781 fsupprnfi 32782 fsuppcurry1 32814 fsuppcurry2 32815 gsumfs2d 33155 gsumhashmul 33161 elrgspnlem4 33339 elrgspnsubrunlem1 33341 elrgspnsubrunlem2 33342 elrspunidl 33521 rprmdvdsprod 33627 1arithidom 33630 esplymhp 33745 esplyfv1 33746 esplyfval3 33749 esplyfval1 33750 esplyfvaln 33751 esplyind 33752 fedgmullem1 33807 fldextrspunlsplem 33851 fldextrspunlsp 33852 zarcmplem 34059 fdivmpt 48900 fdivmptf 48901 refdivmptf 48902 fdivpm 48903 refdivpm 48904 |
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