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Mirrors > Home > MPE Home > Th. List > suppssfifsupp | Structured version Visualization version GIF version |
Description: If the support of a function is a subset of a finite set, the function is finitely supported. (Contributed by AV, 15-Jul-2019.) |
Ref | Expression |
---|---|
suppssfifsupp | ⊢ (((𝐺 ∈ 𝑉 ∧ Fun 𝐺 ∧ 𝑍 ∈ 𝑊) ∧ (𝐹 ∈ Fin ∧ (𝐺 supp 𝑍) ⊆ 𝐹)) → 𝐺 finSupp 𝑍) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssfi 8956 | . . 3 ⊢ ((𝐹 ∈ Fin ∧ (𝐺 supp 𝑍) ⊆ 𝐹) → (𝐺 supp 𝑍) ∈ Fin) | |
2 | 1 | adantl 482 | . 2 ⊢ (((𝐺 ∈ 𝑉 ∧ Fun 𝐺 ∧ 𝑍 ∈ 𝑊) ∧ (𝐹 ∈ Fin ∧ (𝐺 supp 𝑍) ⊆ 𝐹)) → (𝐺 supp 𝑍) ∈ Fin) |
3 | 3ancoma 1097 | . . . . 5 ⊢ ((𝐺 ∈ 𝑉 ∧ Fun 𝐺 ∧ 𝑍 ∈ 𝑊) ↔ (Fun 𝐺 ∧ 𝐺 ∈ 𝑉 ∧ 𝑍 ∈ 𝑊)) | |
4 | 3 | biimpi 215 | . . . 4 ⊢ ((𝐺 ∈ 𝑉 ∧ Fun 𝐺 ∧ 𝑍 ∈ 𝑊) → (Fun 𝐺 ∧ 𝐺 ∈ 𝑉 ∧ 𝑍 ∈ 𝑊)) |
5 | 4 | adantr 481 | . . 3 ⊢ (((𝐺 ∈ 𝑉 ∧ Fun 𝐺 ∧ 𝑍 ∈ 𝑊) ∧ (𝐹 ∈ Fin ∧ (𝐺 supp 𝑍) ⊆ 𝐹)) → (Fun 𝐺 ∧ 𝐺 ∈ 𝑉 ∧ 𝑍 ∈ 𝑊)) |
6 | funisfsupp 9133 | . . 3 ⊢ ((Fun 𝐺 ∧ 𝐺 ∈ 𝑉 ∧ 𝑍 ∈ 𝑊) → (𝐺 finSupp 𝑍 ↔ (𝐺 supp 𝑍) ∈ Fin)) | |
7 | 5, 6 | syl 17 | . 2 ⊢ (((𝐺 ∈ 𝑉 ∧ Fun 𝐺 ∧ 𝑍 ∈ 𝑊) ∧ (𝐹 ∈ Fin ∧ (𝐺 supp 𝑍) ⊆ 𝐹)) → (𝐺 finSupp 𝑍 ↔ (𝐺 supp 𝑍) ∈ Fin)) |
8 | 2, 7 | mpbird 256 | 1 ⊢ (((𝐺 ∈ 𝑉 ∧ Fun 𝐺 ∧ 𝑍 ∈ 𝑊) ∧ (𝐹 ∈ Fin ∧ (𝐺 supp 𝑍) ⊆ 𝐹)) → 𝐺 finSupp 𝑍) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 ∧ w3a 1086 ∈ wcel 2106 ⊆ wss 3887 class class class wbr 5074 Fun wfun 6427 (class class class)co 7275 supp csupp 7977 Fincfn 8733 finSupp cfsupp 9128 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pr 5352 ax-un 7588 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-ov 7278 df-om 7713 df-1o 8297 df-en 8734 df-fin 8737 df-fsupp 9129 |
This theorem is referenced by: fsuppsssupp 9144 fsfnn0gsumfsffz 19584 mptscmfsupp0 20188 uvcff 20998 uvcresum 21000 frlmup1 21005 psrass1lemOLD 21143 psrass1lem 21146 psrlidm 21172 psrridm 21173 psrass1 21174 psrass23l 21177 psrcom 21178 psrass23 21179 mplsubrglem 21210 mplsubrg 21211 mvrcl 21221 mplmon 21236 mplmonmul 21237 mplcoe1 21238 mplcoe5 21241 mplbas2 21243 psrbagev1 21285 psrbagev1OLD 21286 evlslem2 21289 evlslem3 21290 evlslem6 21291 psropprmul 21409 coe1mul2 21440 plypf1 25373 tayl0 25521 fsuppcurry1 31060 fsuppcurry2 31061 gsummptres2 31313 fedgmullem1 31710 fedgmullem2 31711 lincresunit2 45819 |
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