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Mirrors > Home > MPE Home > Th. List > 1loopgruspgr | Structured version Visualization version GIF version |
Description: A graph with one edge which is a loop is a simple pseudograph (see also uspgr1v1eop 27025). (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 2821 | . 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 2916 | . 2 ⊢ (𝜑 → 𝑁 ∈ (Vtx‘𝐺)) |
6 | 1loopgruspgr.i | . . 3 ⊢ (𝜑 → (iEdg‘𝐺) = {〈𝐴, {𝑁}〉}) | |
7 | dfsn2 4574 | . . . . . 6 ⊢ {𝑁} = {𝑁, 𝑁} | |
8 | 7 | a1i 11 | . . . . 5 ⊢ (𝜑 → {𝑁} = {𝑁, 𝑁}) |
9 | 8 | opeq2d 4804 | . . . 4 ⊢ (𝜑 → 〈𝐴, {𝑁}〉 = 〈𝐴, {𝑁, 𝑁}〉) |
10 | 9 | sneqd 4573 | . . 3 ⊢ (𝜑 → {〈𝐴, {𝑁}〉} = {〈𝐴, {𝑁, 𝑁}〉}) |
11 | 6, 10 | eqtrd 2856 | . 2 ⊢ (𝜑 → (iEdg‘𝐺) = {〈𝐴, {𝑁, 𝑁}〉}) |
12 | 1, 2, 5, 5, 11 | uspgr1e 27020 | 1 ⊢ (𝜑 → 𝐺 ∈ USPGraph) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ∈ wcel 2110 {csn 4561 {cpr 4563 〈cop 4567 ‘cfv 6350 Vtxcvtx 26775 iEdgciedg 26776 USPGraphcuspgr 26927 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-rep 5183 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4833 df-int 4870 df-iun 4914 df-br 5060 df-opab 5122 df-mpt 5140 df-tr 5166 df-id 5455 df-eprel 5460 df-po 5469 df-so 5470 df-fr 5509 df-we 5511 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-pred 6143 df-ord 6189 df-on 6190 df-lim 6191 df-suc 6192 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-1st 7683 df-2nd 7684 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-1o 8096 df-oadd 8100 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-fin 8507 df-dju 9324 df-card 9362 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-nn 11633 df-2 11694 df-n0 11892 df-xnn0 11962 df-z 11976 df-uz 12238 df-fz 12887 df-hash 13685 df-uspgr 26929 |
This theorem is referenced by: 1loopgrnb0 27278 1loopgrvd2 27279 |
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