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| Mirrors > Home > MPE Home > Th. List > elmapssresd | Structured version Visualization version GIF version | ||
| Description: A restricted mapping is a mapping. EDITORIAL: Could be used to shorten elpm2r 8870 with some reordering involving mapsspm 8909. (Contributed by SN, 11-Mar-2025.) |
| Ref | Expression |
|---|---|
| elmapssresd.1 | ⊢ (𝜑 → 𝐴 ∈ (𝐵 ↑m 𝐶)) |
| elmapssresd.2 | ⊢ (𝜑 → 𝐷 ⊆ 𝐶) |
| Ref | Expression |
|---|---|
| elmapssresd | ⊢ (𝜑 → (𝐴 ↾ 𝐷) ∈ (𝐵 ↑m 𝐷)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elmapssresd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ (𝐵 ↑m 𝐶)) | |
| 2 | elmapssresd.2 | . 2 ⊢ (𝜑 → 𝐷 ⊆ 𝐶) | |
| 3 | elmapssres 8899 | . 2 ⊢ ((𝐴 ∈ (𝐵 ↑m 𝐶) ∧ 𝐷 ⊆ 𝐶) → (𝐴 ↾ 𝐷) ∈ (𝐵 ↑m 𝐷)) | |
| 4 | 1, 2, 3 | syl2anc 596 | 1 ⊢ (𝜑 → (𝐴 ↾ 𝐷) ∈ (𝐵 ↑m 𝐷)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 ⊆ wss 3896 ↾ cres 5652 (class class class)co 7422 ↑m cmap 8852 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7753 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6496 df-fun 6543 df-fn 6544 df-f 6545 df-fv 6549 df-ov 7425 df-oprab 7426 df-mpo 7427 df-1st 8003 df-2nd 8004 df-map 8854 |
| This theorem is used by: selvply1rhm0 34206 extvfvvcl 34215 extvfvcl 34216 evlextv 34222 esplyind 34255 evlselv 43724 |
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