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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fsuppmptdmf | Structured version Visualization version GIF version | ||
| Description: A mapping with a finite domain is finitely supported. (Contributed by AV, 4-Sep-2019.) |
| Ref | Expression |
|---|---|
| fsuppmptdmf.n | ⊢ Ⅎ𝑥𝜑 |
| fsuppmptdmf.f | ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝑌) |
| fsuppmptdmf.a | ⊢ (𝜑 → 𝐴 ∈ Fin) |
| fsuppmptdmf.y | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝑌 ∈ 𝑉) |
| fsuppmptdmf.z | ⊢ (𝜑 → 𝑍 ∈ 𝑊) |
| Ref | Expression |
|---|---|
| fsuppmptdmf | ⊢ (𝜑 → 𝐹 finSupp 𝑍) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fsuppmptdmf.n | . . 3 ⊢ Ⅎ𝑥𝜑 | |
| 2 | fsuppmptdmf.y | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝑌 ∈ 𝑉) | |
| 3 | fsuppmptdmf.f | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝑌) | |
| 4 | 1, 2, 3 | fmptdf 7062 | . 2 ⊢ (𝜑 → 𝐹:𝐴⟶𝑉) |
| 5 | fsuppmptdmf.a | . 2 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
| 6 | fsuppmptdmf.z | . 2 ⊢ (𝜑 → 𝑍 ∈ 𝑊) | |
| 7 | 4, 5, 6 | fdmfifsupp 9282 | 1 ⊢ (𝜑 → 𝐹 finSupp 𝑍) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 397 = wceq 1548 Ⅎwnf 1791 ∈ wcel 2121 class class class wbr 5075 ↦ cmpt 5156 Fincfn 8887 finSupp cfsupp 9268 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-rep 5202 ax-sep 5221 ax-nul 5231 ax-pr 5365 ax-un 7682 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3or 1094 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-ral 3056 df-rex 3066 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-pss 3905 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-iun 4926 df-br 5076 df-opab 5138 df-mpt 5157 df-tr 5183 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-ord 6317 df-on 6318 df-lim 6319 df-suc 6320 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-supp 8105 df-1o 8399 df-en 8888 df-fin 8891 df-fsupp 9269 |
| This theorem is referenced by: (None) |
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