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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fmptd2f | Structured version Visualization version GIF version | ||
| Description: Domain and codomain of the mapping operation; deduction form. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
| Ref | Expression |
|---|---|
| fmptd2f.1 | ⊢ Ⅎ𝑥𝜑 |
| fmptd2f.2 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ 𝐶) |
| Ref | Expression |
|---|---|
| fmptd2f | ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fmptd2f.1 | . 2 ⊢ Ⅎ𝑥𝜑 | |
| 2 | fmptd2f.2 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ 𝐶) | |
| 3 | eqid 2760 | . 2 ⊢ (𝑥 ∈ 𝐴 ↦ 𝐵) = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 1, 2, 3 | fmptdf 7110 | 1 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵):𝐴⟶𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 Ⅎwnf 1816 ∈ wcel 2145 ↦ cmpt 5186 ⟶wf 6529 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-pr 5398 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-fun 6535 df-fn 6536 df-f 6537 |
| This theorem is used by: climinf2mpt 46542 climinfmpt 46543 limsupvaluzmpt 46545 limsupre2mpt 46558 limsupre3mpt 46562 limsupreuzmpt 46567 supcnvlimsupmpt 46569 liminfvalxrmpt 46614 liminflbuz2 46643 dvnprodlem1 46774 sge0z 47203 sge0f1o 47210 smfsupmpt 47643 smfinfmpt 47647 smflimsupmpt 47657 smfliminfmpt 47660 smfsupdmmbllem 47672 smfinfdmmbllem 47676 |
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