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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 2231 | . 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 2311 | . 2 ⊢ (𝜑 → 𝑁 ∈ (Vtx‘𝐺)) |
| 6 | 1loopgruspgr.i | . . 3 ⊢ (𝜑 → (iEdg‘𝐺) = {〈𝐴, {𝑁}〉}) | |
| 7 | dfsn2 3683 | . . . . . 6 ⊢ {𝑁} = {𝑁, 𝑁} | |
| 8 | 7 | a1i 9 | . . . . 5 ⊢ (𝜑 → {𝑁} = {𝑁, 𝑁}) |
| 9 | 8 | opeq2d 3869 | . . . 4 ⊢ (𝜑 → 〈𝐴, {𝑁}〉 = 〈𝐴, {𝑁, 𝑁}〉) |
| 10 | 9 | sneqd 3682 | . . 3 ⊢ (𝜑 → {〈𝐴, {𝑁}〉} = {〈𝐴, {𝑁, 𝑁}〉}) |
| 11 | 6, 10 | eqtrd 2264 | . 2 ⊢ (𝜑 → (iEdg‘𝐺) = {〈𝐴, {𝑁, 𝑁}〉}) |
| 12 | eqid 2231 | . . . . 5 ⊢ 𝑁 = 𝑁 | |
| 13 | 12 | orci 738 | . . . 4 ⊢ (𝑁 = 𝑁 ∨ ¬ 𝑁 = 𝑁) |
| 14 | df-dc 842 | . . . 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 16090 | 1 ⊢ (𝜑 → 𝐺 ∈ USPGraph) |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 3 → wi 4 ∨ wo 715 DECID wdc 841 = wceq 1397 ∈ wcel 2202 {csn 3669 {cpr 3670 〈cop 3672 ‘cfv 5326 Vtxcvtx 15862 iEdgciedg 15863 USPGraphcuspgr 16003 |
| 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-nul 4215 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-iinf 4686 ax-cnex 8122 ax-resscn 8123 ax-1cn 8124 ax-1re 8125 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-addcom 8131 ax-mulcom 8132 ax-addass 8133 ax-mulass 8134 ax-distr 8135 ax-i2m1 8136 ax-1rid 8138 ax-0id 8139 ax-rnegex 8140 ax-cnre 8142 |
| This theorem depends on definitions: df-bi 117 df-dc 842 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-if 3606 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-mpt 4152 df-tr 4188 df-id 4390 df-iord 4463 df-on 4465 df-suc 4468 df-iom 4689 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-riota 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-1st 6302 df-2nd 6303 df-1o 6581 df-2o 6582 df-er 6701 df-en 6909 df-sub 8351 df-inn 9143 df-2 9201 df-3 9202 df-4 9203 df-5 9204 df-6 9205 df-7 9206 df-8 9207 df-9 9208 df-n0 9402 df-dec 9611 df-ndx 13084 df-slot 13085 df-base 13087 df-edgf 15855 df-vtx 15864 df-iedg 15865 df-uspgren 16005 |
| This theorem is referenced by: 1loopgrvd2fi 16155 1loopgrvd0fi 16156 |
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