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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 8142 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝑍 ∈ V) → (𝐹 supp 𝑍) = {𝑖 ∈ dom 𝐹 ∣ (𝐹 “ {𝑖}) ≠ {𝑍}}) | |
| 2 | ssrab2 4033 | . . 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 8143 | . . 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 183 | 1 ⊢ (𝐹 supp 𝑍) ⊆ dom 𝐹 |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 ∧ wa 399 ∈ wcel 2142 ≠ wne 2957 {crab 3414 Vcvv 3454 ⊆ wss 3904 ∅c0 4285 {csn 4582 dom cdm 5647 “ cima 5650 (class class class)co 7396 supp csupp 8140 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5246 ax-nul 5256 ax-pr 5390 ax-un 7718 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-rab 3415 df-v 3456 df-sbc 3745 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6477 df-fun 6523 df-fv 6529 df-ov 7399 df-oprab 7400 df-mpo 7401 df-supp 8141 |
| This theorem is referenced by: snopsuppss 8159 wemapso2lem 9500 cantnfcl 9622 cantnfle 9626 cantnflt 9627 cantnff 9629 cantnfres 9632 cantnfp1lem3 9635 cantnflem1b 9641 cantnflem1 9644 cantnflem3 9646 cnfcomlem 9654 cnfcom 9655 cnfcom3lem 9658 cnfcom3 9659 fsuppmapnn0fiublem 14003 fsuppmapnn0fiub 14004 gsumval3lem1 19945 gsumval3lem2 19946 gsumval3 19947 gsumzres 19949 gsumzcl2 19950 gsumzf1o 19952 gsumzaddlem 19961 gsumconst 19974 gsumzoppg 19984 gsum2d 20012 dpjidcl 20100 gsumfsum 21486 regsumsupp 21674 frlmlbs 21849 psrass1lem 21985 psrass1 22015 psrass23l 22018 psrcom 22019 psrass23 22020 mplcoe1 22090 psropprmul 22299 coe1mul2 22332 tsmsgsum 24199 rrxcph 25454 rrxsuppss 25465 rrxmval 25467 mdegfval 26122 mdegleb 26124 mdegldg 26126 deg1mul3le 26177 wilthlem3 27134 suppovss 32883 fressupp 32890 ressupprn 32892 supppreima 32893 fsupprnfi 32894 fsuppcurry1 32926 fsuppcurry2 32927 gsumfs2d 33241 gsumhashmul 33247 elrgspnlem4 33426 elrgspnsubrunlem1 33428 elrgspnsubrunlem2 33429 elrspunidl 33614 rprmdvdsprod 33730 1arithidom 33733 esplymhp 33865 esplyfv1 33866 esplyfval3 33869 esplyfval1 33870 esplyfvaln 33871 esplyind 33872 fedgmullem1 33926 fldextrspunlsplem 33970 fldextrspunlsp 33971 zarcmplem 34178 fdivmpt 49162 fdivmptf 49163 refdivmptf 49164 fdivpm 49165 refdivpm 49166 |
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