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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 6875 | . 2 ⊢ (𝜑 → 𝐹:𝐴⟶𝑉) |
5 | fsuppmptdmf.a | . 2 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
6 | fsuppmptdmf.z | . 2 ⊢ (𝜑 → 𝑍 ∈ 𝑊) | |
7 | 4, 5, 6 | fdmfifsupp 8837 | 1 ⊢ (𝜑 → 𝐹 finSupp 𝑍) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1533 Ⅎwnf 1780 ∈ wcel 2110 class class class wbr 5058 ↦ cmpt 5138 Fincfn 8503 finSupp cfsupp 8827 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-rep 5182 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-pss 3953 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-tp 4565 df-op 4567 df-uni 4832 df-iun 4913 df-br 5059 df-opab 5121 df-mpt 5139 df-tr 5165 df-id 5454 df-eprel 5459 df-po 5468 df-so 5469 df-fr 5508 df-we 5510 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-ord 6188 df-on 6189 df-lim 6190 df-suc 6191 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-supp 7825 df-er 8283 df-en 8504 df-fin 8507 df-fsupp 8828 |
This theorem is referenced by: (None) |
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