| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > uhgrspan1lem1 | Structured version Visualization version GIF version | ||
| Description: Lemma 1 for uhgrspan1 29590. (Contributed by AV, 19-Nov-2020.) |
| Ref | Expression |
|---|---|
| uhgrspan1.v | ⊢ 𝑉 = (Vtx‘𝐺) |
| uhgrspan1.i | ⊢ 𝐼 = (iEdg‘𝐺) |
| uhgrspan1.f | ⊢ 𝐹 = {𝑖 ∈ dom 𝐼 ∣ 𝑁 ∉ (𝐼‘𝑖)} |
| Ref | Expression |
|---|---|
| uhgrspan1lem1 | ⊢ ((𝑉 ∖ {𝑁}) ∈ V ∧ (𝐼 ↾ 𝐹) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | uhgrspan1.v | . . . 4 ⊢ 𝑉 = (Vtx‘𝐺) | |
| 2 | 1 | fvexi 6893 | . . 3 ⊢ 𝑉 ∈ V |
| 3 | 2 | difexi 5298 | . 2 ⊢ (𝑉 ∖ {𝑁}) ∈ V |
| 4 | uhgrspan1.i | . . . 4 ⊢ 𝐼 = (iEdg‘𝐺) | |
| 5 | 4 | fvexi 6893 | . . 3 ⊢ 𝐼 ∈ V |
| 6 | 5 | resex 6026 | . 2 ⊢ (𝐼 ↾ 𝐹) ∈ V |
| 7 | 3, 6 | pm3.2i 475 | 1 ⊢ ((𝑉 ∖ {𝑁}) ∈ V ∧ (𝐼 ↾ 𝐹) ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: ∧ wa 400 = wceq 1567 ∈ wcel 2149 ∉ wnel 3070 {crab 3423 Vcvv 3463 ∖ cdif 3910 {csn 4591 dom cdm 5659 ↾ cres 5661 ‘cfv 6534 Vtxcvtx 29283 iEdgciedg 29284 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-sep 5258 ax-nul 5268 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-ne 2965 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-sn 4592 df-pr 4594 df-uni 4874 df-res 5671 df-iota 6490 df-fv 6542 |
| This theorem is referenced by: uhgrspan1lem2 29588 uhgrspan1lem3 29589 |
| Copyright terms: Public domain | W3C validator |