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| Mirrors > Home > ILE Home > Th. List > 1loopgruspgr | GIF version | ||
| Description: A graph with one edge which is a loop is a simple pseudograph. (Contributed by AV, 21-Feb-2021.) |
| Ref | Expression |
|---|---|
| 1loopgruspgr.v | ⊢ (𝜑 → (Vtx‘𝐺) = 𝑉) |
| 1loopgruspgr.a | ⊢ (𝜑 → 𝐴 ∈ 𝑋) |
| 1loopgruspgr.n | ⊢ (𝜑 → 𝑁 ∈ 𝑉) |
| 1loopgruspgr.i | ⊢ (𝜑 → (iEdg‘𝐺) = {〈𝐴, {𝑁}〉}) |
| Ref | Expression |
|---|---|
| 1loopgruspgr | ⊢ (𝜑 → 𝐺 ∈ USPGraph) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2238 | . 2 ⊢ (Vtx‘𝐺) = (Vtx‘𝐺) | |
| 2 | 1loopgruspgr.a | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑋) | |
| 3 | 1loopgruspgr.n | . . 3 ⊢ (𝜑 → 𝑁 ∈ 𝑉) | |
| 4 | 1loopgruspgr.v | . . 3 ⊢ (𝜑 → (Vtx‘𝐺) = 𝑉) | |
| 5 | 3, 4 | eleqtrrd 2318 | . 2 ⊢ (𝜑 → 𝑁 ∈ (Vtx‘𝐺)) |
| 6 | 1loopgruspgr.i | . . 3 ⊢ (𝜑 → (iEdg‘𝐺) = {〈𝐴, {𝑁}〉}) | |
| 7 | dfsn2 3719 | . . . . . 6 ⊢ {𝑁} = {𝑁, 𝑁} | |
| 8 | 7 | a1i 9 | . . . . 5 ⊢ (𝜑 → {𝑁} = {𝑁, 𝑁}) |
| 9 | 8 | opeq2d 3906 | . . . 4 ⊢ (𝜑 → 〈𝐴, {𝑁}〉 = 〈𝐴, {𝑁, 𝑁}〉) |
| 10 | 9 | sneqd 3718 | . . 3 ⊢ (𝜑 → {〈𝐴, {𝑁}〉} = {〈𝐴, {𝑁, 𝑁}〉}) |
| 11 | 6, 10 | eqtrd 2271 | . 2 ⊢ (𝜑 → (iEdg‘𝐺) = {〈𝐴, {𝑁, 𝑁}〉}) |
| 12 | eqid 2238 | . . . . 5 ⊢ 𝑁 = 𝑁 | |
| 13 | 12 | orci 743 | . . . 4 ⊢ (𝑁 = 𝑁 ∨ ¬ 𝑁 = 𝑁) |
| 14 | df-dc 847 | . . . 4 ⊢ (DECID 𝑁 = 𝑁 ↔ (𝑁 = 𝑁 ∨ ¬ 𝑁 = 𝑁)) | |
| 15 | 13, 14 | mpbir 146 | . . 3 ⊢ DECID 𝑁 = 𝑁 |
| 16 | 15 | a1i 9 | . 2 ⊢ (𝜑 → DECID 𝑁 = 𝑁) |
| 17 | 1, 2, 5, 5, 11, 16 | uspgr1edc 16395 | 1 ⊢ (𝜑 → 𝐺 ∈ USPGraph) |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 3 → wi 4 ∨ wo 720 DECID wdc 846 = wceq 1402 ∈ wcel 2209 {csn 3705 {cpr 3706 〈cop 3708 ‘cfv 5372 Vtxcvtx 16167 iEdgciedg 16168 USPGraphcuspgr 16308 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-nul 4254 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-iinf 4730 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-addcom 8269 ax-mulcom 8270 ax-addass 8271 ax-mulass 8272 ax-distr 8273 ax-i2m1 8274 ax-1rid 8276 ax-0id 8277 ax-rnegex 8278 ax-cnre 8280 |
| This theorem depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3636 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-br 4126 df-opab 4188 df-mpt 4189 df-tr 4225 df-id 4433 df-iord 4506 df-on 4508 df-suc 4511 df-iom 4733 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-f1 5377 df-fo 5378 df-f1o 5379 df-fv 5380 df-riota 6028 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1st 6364 df-2nd 6365 df-1o 6677 df-2o 6678 df-er 6797 df-en 7013 df-sub 8489 df-inn 9284 df-2 9342 df-3 9343 df-4 9344 df-5 9345 df-6 9346 df-7 9347 df-8 9348 df-9 9349 df-n0 9543 df-dec 9757 df-ndx 13333 df-slot 13334 df-base 13336 df-edgf 16160 df-vtx 16169 df-iedg 16170 df-uspgren 16310 |
| This theorem is referenced by: 1loopgrvd2fi 16460 1loopgrvd0fi 16461 |
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