| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > resexd | Structured version Visualization version GIF version | ||
| Description: The restriction of a set is a set. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
| Ref | Expression |
|---|---|
| resexd.1 | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| Ref | Expression |
|---|---|
| resexd | ⊢ (𝜑 → (𝐴 ↾ 𝐵) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | resexd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 2 | resexg 6015 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ↾ 𝐵) ∈ V) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → (𝐴 ↾ 𝐵) ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 Vcvv 3450 ↾ cres 5652 |
| 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-ext 2732 ax-sep 5248 |
| This proof depends on definitions: df-bi 210 df-an 402 df-3an 1105 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3896 df-in 4091 df-res 5662 |
| This theorem is used by: gsum2dlem2 20185 psrbagres 22238 tsmspropd 24451 ulmss 26724 elrgspnlem4 33806 extvfvcl 34168 esplyind 34207 lmimdim 34236 aks6d1c6lem3 43223 pwssplit4 44091 limsupresre 46706 limsupresico 46710 limsupresuz 46713 limsupres 46715 limsupresxr 46776 liminfresxr 46777 liminfresico 46781 liminfresre 46789 liminfresuz 46794 isubgriedg 48961 isubgrvtx 48965 |
| Copyright terms: Public domain | W3C validator |