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| Mirrors > Home > MPE Home > Th. List > uhgredgrnv | Structured version Visualization version GIF version | ||
| Description: An edge of a hypergraph contains only vertices. (Contributed by Alexander van der Vekens, 18-Feb-2018.) (Revised by AV, 4-Jun-2021.) |
| Ref | Expression |
|---|---|
| uhgredgrnv | ⊢ ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺) ∧ 𝑁 ∈ 𝐸) → 𝑁 ∈ (Vtx‘𝐺)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | edguhgr 29223 | . . 3 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺)) → 𝐸 ∈ 𝒫 (Vtx‘𝐺)) | |
| 2 | elelpwi 4546 | . . . 4 ⊢ ((𝑁 ∈ 𝐸 ∧ 𝐸 ∈ 𝒫 (Vtx‘𝐺)) → 𝑁 ∈ (Vtx‘𝐺)) | |
| 3 | 2 | expcom 414 | . . 3 ⊢ (𝐸 ∈ 𝒫 (Vtx‘𝐺) → (𝑁 ∈ 𝐸 → 𝑁 ∈ (Vtx‘𝐺))) |
| 4 | 1, 3 | syl 17 | . 2 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺)) → (𝑁 ∈ 𝐸 → 𝑁 ∈ (Vtx‘𝐺))) |
| 5 | 4 | 3impia 1123 | 1 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺) ∧ 𝑁 ∈ 𝐸) → 𝑁 ∈ (Vtx‘𝐺)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1092 ∈ wcel 2119 𝒫 cpw 4536 ‘cfv 6492 Vtxcvtx 29090 Edgcedg 29141 UHGraphcuhgr 29150 |
| 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-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-fv 6500 df-edg 29142 df-uhgr 29152 |
| This theorem is referenced by: clnbgredg 48338 usgrgrtrirex 48448 grlimedgclnbgr 48493 grlimprclnbgr 48494 |
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