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| Mirrors > Home > MPE Home > Th. List > iscplgr | Structured version Visualization version GIF version | ||
| Description: The property of being a complete graph. (Contributed by AV, 1-Nov-2020.) |
| Ref | Expression |
|---|---|
| cplgruvtxb.v | ⊢ 𝑉 = (Vtx‘𝐺) |
| Ref | Expression |
|---|---|
| iscplgr | ⊢ (𝐺 ∈ 𝑊 → (𝐺 ∈ ComplGraph ↔ ∀𝑣 ∈ 𝑉 𝑣 ∈ (UnivVtx‘𝐺))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cplgruvtxb.v | . . 3 ⊢ 𝑉 = (Vtx‘𝐺) | |
| 2 | 1 | cplgruvtxb 29976 | . 2 ⊢ (𝐺 ∈ 𝑊 → (𝐺 ∈ ComplGraph ↔ (UnivVtx‘𝐺) = 𝑉)) |
| 3 | eqss 3946 | . . 3 ⊢ ((UnivVtx‘𝐺) = 𝑉 ↔ ((UnivVtx‘𝐺) ⊆ 𝑉 ∧ 𝑉 ⊆ (UnivVtx‘𝐺))) | |
| 4 | 1 | uvtxssvtx 29953 | . . . 4 ⊢ (UnivVtx‘𝐺) ⊆ 𝑉 |
| 5 | dfss3 3920 | . . . . 5 ⊢ (𝑉 ⊆ (UnivVtx‘𝐺) ↔ ∀𝑣 ∈ 𝑉 𝑣 ∈ (UnivVtx‘𝐺)) | |
| 6 | 5 | anbi2i 635 | . . . 4 ⊢ (((UnivVtx‘𝐺) ⊆ 𝑉 ∧ 𝑉 ⊆ (UnivVtx‘𝐺)) ↔ ((UnivVtx‘𝐺) ⊆ 𝑉 ∧ ∀𝑣 ∈ 𝑉 𝑣 ∈ (UnivVtx‘𝐺))) |
| 7 | 4, 6 | mpbiran 722 | . . 3 ⊢ (((UnivVtx‘𝐺) ⊆ 𝑉 ∧ 𝑉 ⊆ (UnivVtx‘𝐺)) ↔ ∀𝑣 ∈ 𝑉 𝑣 ∈ (UnivVtx‘𝐺)) |
| 8 | 3, 7 | bitri 278 | . 2 ⊢ ((UnivVtx‘𝐺) = 𝑉 ↔ ∀𝑣 ∈ 𝑉 𝑣 ∈ (UnivVtx‘𝐺)) |
| 9 | 2, 8 | bitrdi 290 | 1 ⊢ (𝐺 ∈ 𝑊 → (𝐺 ∈ ComplGraph ↔ ∀𝑣 ∈ 𝑉 𝑣 ∈ (UnivVtx‘𝐺))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∀wral 3077 ⊆ wss 3899 ‘cfv 6531 Vtxcvtx 29556 UnivVtxcuvtx 29948 ComplGraphccplgr 29972 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-iota 6487 df-fun 6533 df-fv 6539 df-ov 7415 df-uvtx 29949 df-cplgr 29974 |
| This theorem is used by: iscplgrnb 29979 iscusgrvtx 29984 cplgr0 29988 cplgr0v 29990 cplgr1v 29993 cplgr2v 29995 cusgrexi 30006 structtocusgr 30009 cusgrres 30011 |
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