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| Mirrors > Home > MPE Home > Th. List > ausgrumgri | Structured version Visualization version GIF version | ||
| Description: If an alternatively defined simple graph has the vertices and edges of an arbitrary graph, the arbitrary graph is an undirected multigraph. (Contributed by AV, 18-Oct-2020.) (Revised by AV, 25-Nov-2020.) |
| Ref | Expression |
|---|---|
| ausgr.1 | ⊢ 𝐺 = {〈𝑣, 𝑒〉 ∣ 𝑒 ⊆ {𝑥 ∈ 𝒫 𝑣 ∣ (♯‘𝑥) = 2}} |
| Ref | Expression |
|---|---|
| ausgrumgri | ⊢ ((𝐻 ∈ 𝑊 ∧ (Vtx‘𝐻)𝐺(Edg‘𝐻) ∧ Fun (iEdg‘𝐻)) → 𝐻 ∈ UMGraph) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvex 6886 | . . . . 5 ⊢ (Vtx‘𝐻) ∈ V | |
| 2 | fvex 6886 | . . . . 5 ⊢ (Edg‘𝐻) ∈ V | |
| 3 | ausgr.1 | . . . . . 6 ⊢ 𝐺 = {〈𝑣, 𝑒〉 ∣ 𝑒 ⊆ {𝑥 ∈ 𝒫 𝑣 ∣ (♯‘𝑥) = 2}} | |
| 4 | 3 | isausgr 29679 | . . . . 5 ⊢ (((Vtx‘𝐻) ∈ V ∧ (Edg‘𝐻) ∈ V) → ((Vtx‘𝐻)𝐺(Edg‘𝐻) ↔ (Edg‘𝐻) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2})) |
| 5 | 1, 2, 4 | mp2an 705 | . . . 4 ⊢ ((Vtx‘𝐻)𝐺(Edg‘𝐻) ↔ (Edg‘𝐻) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2}) |
| 6 | edgval 29561 | . . . . . . 7 ⊢ (Edg‘𝐻) = ran (iEdg‘𝐻) | |
| 7 | 6 | a1i 11 | . . . . . 6 ⊢ (𝐻 ∈ 𝑊 → (Edg‘𝐻) = ran (iEdg‘𝐻)) |
| 8 | 7 | sseq1d 3961 | . . . . 5 ⊢ (𝐻 ∈ 𝑊 → ((Edg‘𝐻) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2} ↔ ran (iEdg‘𝐻) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2})) |
| 9 | funfn 6558 | . . . . . . . . 9 ⊢ (Fun (iEdg‘𝐻) ↔ (iEdg‘𝐻) Fn dom (iEdg‘𝐻)) | |
| 10 | 9 | biimpi 219 | . . . . . . . 8 ⊢ (Fun (iEdg‘𝐻) → (iEdg‘𝐻) Fn dom (iEdg‘𝐻)) |
| 11 | 10 | 3ad2ant3 1153 | . . . . . . 7 ⊢ ((𝐻 ∈ 𝑊 ∧ ran (iEdg‘𝐻) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2} ∧ Fun (iEdg‘𝐻)) → (iEdg‘𝐻) Fn dom (iEdg‘𝐻)) |
| 12 | simp2 1155 | . . . . . . 7 ⊢ ((𝐻 ∈ 𝑊 ∧ ran (iEdg‘𝐻) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2} ∧ Fun (iEdg‘𝐻)) → ran (iEdg‘𝐻) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2}) | |
| 13 | df-f 6531 | . . . . . . 7 ⊢ ((iEdg‘𝐻):dom (iEdg‘𝐻)⟶{𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2} ↔ ((iEdg‘𝐻) Fn dom (iEdg‘𝐻) ∧ ran (iEdg‘𝐻) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2})) | |
| 14 | 11, 12, 13 | sylanbrc 595 | . . . . . 6 ⊢ ((𝐻 ∈ 𝑊 ∧ ran (iEdg‘𝐻) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2} ∧ Fun (iEdg‘𝐻)) → (iEdg‘𝐻):dom (iEdg‘𝐻)⟶{𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2}) |
| 15 | 14 | 3exp 1137 | . . . . 5 ⊢ (𝐻 ∈ 𝑊 → (ran (iEdg‘𝐻) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2} → (Fun (iEdg‘𝐻) → (iEdg‘𝐻):dom (iEdg‘𝐻)⟶{𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2}))) |
| 16 | 8, 15 | sylbid 243 | . . . 4 ⊢ (𝐻 ∈ 𝑊 → ((Edg‘𝐻) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2} → (Fun (iEdg‘𝐻) → (iEdg‘𝐻):dom (iEdg‘𝐻)⟶{𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2}))) |
| 17 | 5, 16 | biimtrid 245 | . . 3 ⊢ (𝐻 ∈ 𝑊 → ((Vtx‘𝐻)𝐺(Edg‘𝐻) → (Fun (iEdg‘𝐻) → (iEdg‘𝐻):dom (iEdg‘𝐻)⟶{𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2}))) |
| 18 | 17 | 3imp 1128 | . 2 ⊢ ((𝐻 ∈ 𝑊 ∧ (Vtx‘𝐻)𝐺(Edg‘𝐻) ∧ Fun (iEdg‘𝐻)) → (iEdg‘𝐻):dom (iEdg‘𝐻)⟶{𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2}) |
| 19 | eqid 2760 | . . . 4 ⊢ (Vtx‘𝐻) = (Vtx‘𝐻) | |
| 20 | eqid 2760 | . . . 4 ⊢ (iEdg‘𝐻) = (iEdg‘𝐻) | |
| 21 | 19, 20 | isumgrs 29608 | . . 3 ⊢ (𝐻 ∈ 𝑊 → (𝐻 ∈ UMGraph ↔ (iEdg‘𝐻):dom (iEdg‘𝐻)⟶{𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2})) |
| 22 | 21 | 3ad2ant1 1151 | . 2 ⊢ ((𝐻 ∈ 𝑊 ∧ (Vtx‘𝐻)𝐺(Edg‘𝐻) ∧ Fun (iEdg‘𝐻)) → (𝐻 ∈ UMGraph ↔ (iEdg‘𝐻):dom (iEdg‘𝐻)⟶{𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (♯‘𝑥) = 2})) |
| 23 | 18, 22 | mpbird 260 | 1 ⊢ ((𝐻 ∈ 𝑊 ∧ (Vtx‘𝐻)𝐺(Edg‘𝐻) ∧ Fun (iEdg‘𝐻)) → 𝐻 ∈ UMGraph) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 {crab 3412 Vcvv 3450 ⊆ wss 3898 𝒫 cpw 4556 class class class wbr 5102 {copab 5166 dom cdm 5647 ran crn 5648 Fun wfun 6521 Fn wfn 6522 ⟶wf 6523 ‘cfv 6527 2c2 12367 ♯chash 14442 Vtxcvtx 29508 iEdgciedg 29509 Edgcedg 29559 UMGraphcumgr 29593 |
| 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 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-cnex 11228 ax-resscn 11229 ax-1cn 11230 ax-icn 11231 ax-addcl 11232 ax-addrcl 11233 ax-mulcl 11234 ax-mulrcl 11235 ax-mulcom 11236 ax-addass 11237 ax-mulass 11238 ax-distr 11239 ax-i2m1 11240 ax-1ne0 11241 ax-1rid 11242 ax-rnegex 11243 ax-rrecex 11244 ax-cnre 11245 ax-pre-lttri 11246 ax-pre-lttrn 11247 ax-pre-ltadd 11248 ax-pre-mulgt0 11249 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7861 df-1st 7984 df-2nd 7985 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8454 df-er 8695 df-en 8952 df-dom 8953 df-sdom 8954 df-fin 8955 df-card 9992 df-pnf 11317 df-mnf 11318 df-xr 11319 df-ltxr 11320 df-le 11321 df-sub 11515 df-neg 11516 df-nn 12306 df-2 12375 df-n0 12577 df-z 12664 df-uz 12936 df-fz 13610 df-hash 14443 df-edg 29560 df-umgr 29595 |
| This theorem is used by: (None) |
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