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Mirrors > Home > MPE Home > Th. List > Mathboxes > uspgrex | Structured version Visualization version GIF version |
Description: The class 𝐺 of all "simple pseudographs" with a fixed set of vertices 𝑉 is a set. (Contributed by AV, 26-Nov-2021.) |
Ref | Expression |
---|---|
uspgrsprf.p | ⊢ 𝑃 = 𝒫 (Pairs‘𝑉) |
uspgrsprf.g | ⊢ 𝐺 = {〈𝑣, 𝑒〉 ∣ (𝑣 = 𝑉 ∧ ∃𝑞 ∈ USPGraph ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒))} |
Ref | Expression |
---|---|
uspgrex | ⊢ (𝑉 ∈ 𝑊 → 𝐺 ∈ V) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | uspgrsprf.p | . . 3 ⊢ 𝑃 = 𝒫 (Pairs‘𝑉) | |
2 | fvex 6855 | . . . 4 ⊢ (Pairs‘𝑉) ∈ V | |
3 | 2 | pwex 5335 | . . 3 ⊢ 𝒫 (Pairs‘𝑉) ∈ V |
4 | 1, 3 | eqeltri 2834 | . 2 ⊢ 𝑃 ∈ V |
5 | uspgrsprf.g | . . . 4 ⊢ 𝐺 = {〈𝑣, 𝑒〉 ∣ (𝑣 = 𝑉 ∧ ∃𝑞 ∈ USPGraph ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒))} | |
6 | eqid 2736 | . . . 4 ⊢ (𝑔 ∈ 𝐺 ↦ (2nd ‘𝑔)) = (𝑔 ∈ 𝐺 ↦ (2nd ‘𝑔)) | |
7 | 1, 5, 6 | uspgrsprf1o 46022 | . . 3 ⊢ (𝑉 ∈ 𝑊 → (𝑔 ∈ 𝐺 ↦ (2nd ‘𝑔)):𝐺–1-1-onto→𝑃) |
8 | f1ovv 7889 | . . 3 ⊢ ((𝑔 ∈ 𝐺 ↦ (2nd ‘𝑔)):𝐺–1-1-onto→𝑃 → (𝐺 ∈ V ↔ 𝑃 ∈ V)) | |
9 | 7, 8 | syl 17 | . 2 ⊢ (𝑉 ∈ 𝑊 → (𝐺 ∈ V ↔ 𝑃 ∈ V)) |
10 | 4, 9 | mpbiri 257 | 1 ⊢ (𝑉 ∈ 𝑊 → 𝐺 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1541 ∈ wcel 2106 ∃wrex 3073 Vcvv 3445 𝒫 cpw 4560 {copab 5167 ↦ cmpt 5188 –1-1-onto→wf1o 6495 ‘cfv 6496 2nd c2nd 7919 Vtxcvtx 27894 Edgcedg 27945 USPGraphcuspgr 28046 Pairscspr 45640 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2707 ax-rep 5242 ax-sep 5256 ax-nul 5263 ax-pow 5320 ax-pr 5384 ax-un 7671 ax-cnex 11106 ax-resscn 11107 ax-1cn 11108 ax-icn 11109 ax-addcl 11110 ax-addrcl 11111 ax-mulcl 11112 ax-mulrcl 11113 ax-mulcom 11114 ax-addass 11115 ax-mulass 11116 ax-distr 11117 ax-i2m1 11118 ax-1ne0 11119 ax-1rid 11120 ax-rnegex 11121 ax-rrecex 11122 ax-cnre 11123 ax-pre-lttri 11124 ax-pre-lttrn 11125 ax-pre-ltadd 11126 ax-pre-mulgt0 11127 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3065 df-rex 3074 df-reu 3354 df-rab 3408 df-v 3447 df-sbc 3740 df-csb 3856 df-dif 3913 df-un 3915 df-in 3917 df-ss 3927 df-pss 3929 df-nul 4283 df-if 4487 df-pw 4562 df-sn 4587 df-pr 4589 df-op 4593 df-uni 4866 df-int 4908 df-iun 4956 df-br 5106 df-opab 5168 df-mpt 5189 df-tr 5223 df-id 5531 df-eprel 5537 df-po 5545 df-so 5546 df-fr 5588 df-we 5590 df-xp 5639 df-rel 5640 df-cnv 5641 df-co 5642 df-dm 5643 df-rn 5644 df-res 5645 df-ima 5646 df-pred 6253 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6498 df-fn 6499 df-f 6500 df-f1 6501 df-fo 6502 df-f1o 6503 df-fv 6504 df-riota 7312 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7802 df-1st 7920 df-2nd 7921 df-frecs 8211 df-wrecs 8242 df-recs 8316 df-rdg 8355 df-1o 8411 df-2o 8412 df-oadd 8415 df-er 8647 df-en 8883 df-dom 8884 df-sdom 8885 df-fin 8886 df-dju 9836 df-card 9874 df-pnf 11190 df-mnf 11191 df-xr 11192 df-ltxr 11193 df-le 11194 df-sub 11386 df-neg 11387 df-nn 12153 df-2 12215 df-n0 12413 df-xnn0 12485 df-z 12499 df-uz 12763 df-fz 13424 df-hash 14230 df-vtx 27896 df-iedg 27897 df-edg 27946 df-upgr 27980 df-uspgr 28048 df-spr 45641 |
This theorem is referenced by: uspgrbispr 46024 uspgrbisymrelALT 46028 |
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