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| Mirrors > Home > MPE Home > Th. List > uhgrspan | Structured version Visualization version GIF version | ||
| Description: A spanning subgraph 𝑆 of a hypergraph 𝐺 is a hypergraph. (Contributed by AV, 11-Oct-2020.) (Proof shortened by AV, 18-Nov-2020.) |
| Ref | Expression |
|---|---|
| uhgrspan.v | ⊢ 𝑉 = (Vtx‘𝐺) |
| uhgrspan.e | ⊢ 𝐸 = (iEdg‘𝐺) |
| uhgrspan.s | ⊢ (𝜑 → 𝑆 ∈ 𝑊) |
| uhgrspan.q | ⊢ (𝜑 → (Vtx‘𝑆) = 𝑉) |
| uhgrspan.r | ⊢ (𝜑 → (iEdg‘𝑆) = (𝐸 ↾ 𝐴)) |
| uhgrspan.g | ⊢ (𝜑 → 𝐺 ∈ UHGraph) |
| Ref | Expression |
|---|---|
| uhgrspan | ⊢ (𝜑 → 𝑆 ∈ UHGraph) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | uhgrspan.g | . 2 ⊢ (𝜑 → 𝐺 ∈ UHGraph) | |
| 2 | uhgrspan.v | . . 3 ⊢ 𝑉 = (Vtx‘𝐺) | |
| 3 | uhgrspan.e | . . 3 ⊢ 𝐸 = (iEdg‘𝐺) | |
| 4 | uhgrspan.s | . . 3 ⊢ (𝜑 → 𝑆 ∈ 𝑊) | |
| 5 | uhgrspan.q | . . 3 ⊢ (𝜑 → (Vtx‘𝑆) = 𝑉) | |
| 6 | uhgrspan.r | . . 3 ⊢ (𝜑 → (iEdg‘𝑆) = (𝐸 ↾ 𝐴)) | |
| 7 | 2, 3, 4, 5, 6, 1 | uhgrspansubgr 29385 | . 2 ⊢ (𝜑 → 𝑆 SubGraph 𝐺) |
| 8 | subuhgr 29380 | . 2 ⊢ ((𝐺 ∈ UHGraph ∧ 𝑆 SubGraph 𝐺) → 𝑆 ∈ UHGraph) | |
| 9 | 1, 7, 8 | syl2anc 590 | 1 ⊢ (𝜑 → 𝑆 ∈ UHGraph) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 ∈ wcel 2119 class class class wbr 5079 ↾ cres 5627 ‘cfv 6492 Vtxcvtx 29090 iEdgciedg 29091 UHGraphcuhgr 29150 SubGraph csubgr 29361 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-sep 5225 ax-nul 5235 ax-pr 5369 ax-un 7685 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-sbc 3731 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-opab 5142 df-mpt 5161 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-fv 6500 df-edg 29142 df-uhgr 29152 df-subgr 29362 |
| This theorem is referenced by: uhgrspanop 29390 |
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