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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 29622 | . 2 ⊢ (𝜑 → 𝑆 SubGraph 𝐺) |
| 8 | subuhgr 29617 | . 2 ⊢ ((𝐺 ∈ UHGraph ∧ 𝑆 SubGraph 𝐺) → 𝑆 ∈ UHGraph) | |
| 9 | 1, 7, 8 | syl2anc 595 | 1 ⊢ (𝜑 → 𝑆 ∈ UHGraph) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1570 ∈ wcel 2143 class class class wbr 5110 ↾ cres 5665 ‘cfv 6538 Vtxcvtx 29327 iEdgciedg 29328 UHGraphcuhgr 29387 SubGraph csubgr 29598 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pr 5406 ax-un 7734 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3746 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-fv 6546 df-edg 29379 df-uhgr 29389 df-subgr 29599 |
| This theorem is referenced by: uhgrspanop 29627 |
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