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Mirrors > Home > MPE Home > Th. List > usgrexmpl | Structured version Visualization version GIF version |
Description: 𝐺 is a simple graph of five vertices 0, 1, 2, 3, 4, with edges {0, 1}, {1, 2}, {2, 0}, {0, 3}. (Contributed by Alexander van der Vekens, 15-Aug-2017.) (Revised by AV, 21-Oct-2020.) |
Ref | Expression |
---|---|
usgrexmpl.v | ⊢ 𝑉 = (0...4) |
usgrexmpl.e | ⊢ 𝐸 = 〈“{0, 1} {1, 2} {2, 0} {0, 3}”〉 |
usgrexmpl.g | ⊢ 𝐺 = 〈𝑉, 𝐸〉 |
Ref | Expression |
---|---|
usgrexmpl | ⊢ 𝐺 ∈ USGraph |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | usgrexmpl.v | . . 3 ⊢ 𝑉 = (0...4) | |
2 | usgrexmpl.e | . . 3 ⊢ 𝐸 = 〈“{0, 1} {1, 2} {2, 0} {0, 3}”〉 | |
3 | 1, 2 | usgrexmplef 26151 | . 2 ⊢ 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (#‘𝑒) = 2} |
4 | usgrexmpl.g | . . . 4 ⊢ 𝐺 = 〈𝑉, 𝐸〉 | |
5 | opex 4932 | . . . 4 ⊢ 〈𝑉, 𝐸〉 ∈ V | |
6 | 4, 5 | eqeltri 2697 | . . 3 ⊢ 𝐺 ∈ V |
7 | eqid 2622 | . . . . 5 ⊢ (Vtx‘𝐺) = (Vtx‘𝐺) | |
8 | eqid 2622 | . . . . 5 ⊢ (iEdg‘𝐺) = (iEdg‘𝐺) | |
9 | 7, 8 | isusgrs 26051 | . . . 4 ⊢ (𝐺 ∈ V → (𝐺 ∈ USGraph ↔ (iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑒 ∈ 𝒫 (Vtx‘𝐺) ∣ (#‘𝑒) = 2})) |
10 | 1, 2, 4 | usgrexmpllem 26152 | . . . . 5 ⊢ ((Vtx‘𝐺) = 𝑉 ∧ (iEdg‘𝐺) = 𝐸) |
11 | simpr 477 | . . . . . 6 ⊢ (((Vtx‘𝐺) = 𝑉 ∧ (iEdg‘𝐺) = 𝐸) → (iEdg‘𝐺) = 𝐸) | |
12 | 11 | dmeqd 5326 | . . . . . 6 ⊢ (((Vtx‘𝐺) = 𝑉 ∧ (iEdg‘𝐺) = 𝐸) → dom (iEdg‘𝐺) = dom 𝐸) |
13 | pweq 4161 | . . . . . . . 8 ⊢ ((Vtx‘𝐺) = 𝑉 → 𝒫 (Vtx‘𝐺) = 𝒫 𝑉) | |
14 | 13 | adantr 481 | . . . . . . 7 ⊢ (((Vtx‘𝐺) = 𝑉 ∧ (iEdg‘𝐺) = 𝐸) → 𝒫 (Vtx‘𝐺) = 𝒫 𝑉) |
15 | 14 | rabeqdv 3194 | . . . . . 6 ⊢ (((Vtx‘𝐺) = 𝑉 ∧ (iEdg‘𝐺) = 𝐸) → {𝑒 ∈ 𝒫 (Vtx‘𝐺) ∣ (#‘𝑒) = 2} = {𝑒 ∈ 𝒫 𝑉 ∣ (#‘𝑒) = 2}) |
16 | 11, 12, 15 | f1eq123d 6131 | . . . . 5 ⊢ (((Vtx‘𝐺) = 𝑉 ∧ (iEdg‘𝐺) = 𝐸) → ((iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑒 ∈ 𝒫 (Vtx‘𝐺) ∣ (#‘𝑒) = 2} ↔ 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (#‘𝑒) = 2})) |
17 | 10, 16 | ax-mp 5 | . . . 4 ⊢ ((iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑒 ∈ 𝒫 (Vtx‘𝐺) ∣ (#‘𝑒) = 2} ↔ 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (#‘𝑒) = 2}) |
18 | 9, 17 | syl6bb 276 | . . 3 ⊢ (𝐺 ∈ V → (𝐺 ∈ USGraph ↔ 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (#‘𝑒) = 2})) |
19 | 6, 18 | ax-mp 5 | . 2 ⊢ (𝐺 ∈ USGraph ↔ 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (#‘𝑒) = 2}) |
20 | 3, 19 | mpbir 221 | 1 ⊢ 𝐺 ∈ USGraph |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 196 ∧ wa 384 = wceq 1483 ∈ wcel 1990 {crab 2916 Vcvv 3200 𝒫 cpw 4158 {cpr 4179 〈cop 4183 dom cdm 5114 –1-1→wf1 5885 ‘cfv 5888 (class class class)co 6650 0cc0 9936 1c1 9937 2c2 11070 3c3 11071 4c4 11072 ...cfz 12326 #chash 13117 〈“cs4 13588 Vtxcvtx 25874 iEdgciedg 25875 USGraph cusgr 26044 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-card 8765 df-cda 8990 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-nn 11021 df-2 11079 df-3 11080 df-4 11081 df-n0 11293 df-z 11378 df-uz 11688 df-fz 12327 df-fzo 12466 df-hash 13118 df-word 13299 df-concat 13301 df-s1 13302 df-s2 13593 df-s3 13594 df-s4 13595 df-vtx 25876 df-iedg 25877 df-usgr 26046 |
This theorem is referenced by: (None) |
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