Theorem uspgropssxp 48271

Description: The set 𝐺 of "simple pseudographs" for a fixed set 𝑉 of vertices is a subset of a Cartesian product. For more details about the class 𝐺 of all "simple pseudographs" see comments on uspgrbisymrel 48281. (Contributed by AV, 24-Nov-2021.)

Hypotheses

Ref	Expression
uspgrsprf.p	⊢ 𝑃 = 𝒫 (Pairs‘𝑉)
uspgrsprf.g	⊢ 𝐺 = {⟨𝑣, 𝑒⟩ ∣ (𝑣 = 𝑉 ∧ ∃𝑞 ∈ USPGraph ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒))}

Assertion

Ref	Expression
uspgropssxp	⊢ (𝑉 ∈ 𝑊 → 𝐺 ⊆ (𝑊 × 𝑃))

Distinct variable groups:   𝑃,𝑒,𝑞,𝑣   𝑒,𝑉,𝑞,𝑣   𝑒,𝑊,𝑣

Allowed substitution hints:   𝐺(𝑣,𝑒,𝑞)   𝑊(𝑞)

Proof of Theorem uspgropssxp

Step	Hyp	Ref	Expression
1		uspgrsprf.g	. 2 ⊢ 𝐺 = {⟨𝑣, 𝑒⟩ ∣ (𝑣 = 𝑉 ∧ ∃𝑞 ∈ USPGraph ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒))}
2		eleq1 2821	. . . . . 6 ⊢ (𝑉 = 𝑣 → (𝑉 ∈ 𝑊 ↔ 𝑣 ∈ 𝑊))
3	2	eqcoms 2741	. . . . 5 ⊢ (𝑣 = 𝑉 → (𝑉 ∈ 𝑊 ↔ 𝑣 ∈ 𝑊))
4	3	adantr 480	. . . 4 ⊢ ((𝑣 = 𝑉 ∧ ∃𝑞 ∈ USPGraph ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒)) → (𝑉 ∈ 𝑊 ↔ 𝑣 ∈ 𝑊))
5	4	biimpac 478	. . 3 ⊢ ((𝑉 ∈ 𝑊 ∧ (𝑣 = 𝑉 ∧ ∃𝑞 ∈ USPGraph ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒))) → 𝑣 ∈ 𝑊)
6		uspgrupgr 29160	. . . . . . . . . . . 12 ⊢ (𝑞 ∈ USPGraph → 𝑞 ∈ UPGraph)
7		upgredgssspr 48270	. . . . . . . . . . . 12 ⊢ (𝑞 ∈ UPGraph → (Edg‘𝑞) ⊆ (Pairs‘(Vtx‘𝑞)))
8	6, 7	syl 17	. . . . . . . . . . 11 ⊢ (𝑞 ∈ USPGraph → (Edg‘𝑞) ⊆ (Pairs‘(Vtx‘𝑞)))
9	8	3ad2ant1 1133	. . . . . . . . . 10 ⊢ ((𝑞 ∈ USPGraph ∧ ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) ∧ 𝑣 = 𝑉) → (Edg‘𝑞) ⊆ (Pairs‘(Vtx‘𝑞)))
10		simp2l 1200	. . . . . . . . . . . 12 ⊢ ((𝑞 ∈ USPGraph ∧ ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) ∧ 𝑣 = 𝑉) → (Vtx‘𝑞) = 𝑣)
11		simp3 1138	. . . . . . . . . . . 12 ⊢ ((𝑞 ∈ USPGraph ∧ ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) ∧ 𝑣 = 𝑉) → 𝑣 = 𝑉)
12	10, 11	eqtrd 2768	. . . . . . . . . . 11 ⊢ ((𝑞 ∈ USPGraph ∧ ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) ∧ 𝑣 = 𝑉) → (Vtx‘𝑞) = 𝑉)
13	12	fveq2d 6834	. . . . . . . . . 10 ⊢ ((𝑞 ∈ USPGraph ∧ ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) ∧ 𝑣 = 𝑉) → (Pairs‘(Vtx‘𝑞)) = (Pairs‘𝑉))
14	9, 13	sseqtrd 3967	. . . . . . . . 9 ⊢ ((𝑞 ∈ USPGraph ∧ ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) ∧ 𝑣 = 𝑉) → (Edg‘𝑞) ⊆ (Pairs‘𝑉))
15		fvex 6843	. . . . . . . . . 10 ⊢ (Edg‘𝑞) ∈ V
16	15	elpw 4555	. . . . . . . . 9 ⊢ ((Edg‘𝑞) ∈ 𝒫 (Pairs‘𝑉) ↔ (Edg‘𝑞) ⊆ (Pairs‘𝑉))
17	14, 16	sylibr 234	. . . . . . . 8 ⊢ ((𝑞 ∈ USPGraph ∧ ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) ∧ 𝑣 = 𝑉) → (Edg‘𝑞) ∈ 𝒫 (Pairs‘𝑉))
18		simpr 484	. . . . . . . . . 10 ⊢ (((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) → (Edg‘𝑞) = 𝑒)
19	18	eqcomd 2739	. . . . . . . . 9 ⊢ (((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) → 𝑒 = (Edg‘𝑞))
20	19	3ad2ant2 1134	. . . . . . . 8 ⊢ ((𝑞 ∈ USPGraph ∧ ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) ∧ 𝑣 = 𝑉) → 𝑒 = (Edg‘𝑞))
21		uspgrsprf.p	. . . . . . . . 9 ⊢ 𝑃 = 𝒫 (Pairs‘𝑉)
22	21	a1i 11	. . . . . . . 8 ⊢ ((𝑞 ∈ USPGraph ∧ ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) ∧ 𝑣 = 𝑉) → 𝑃 = 𝒫 (Pairs‘𝑉))
23	17, 20, 22	3eltr4d 2848	. . . . . . 7 ⊢ ((𝑞 ∈ USPGraph ∧ ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) ∧ 𝑣 = 𝑉) → 𝑒 ∈ 𝑃)
24	23	3exp 1119	. . . . . 6 ⊢ (𝑞 ∈ USPGraph → (((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) → (𝑣 = 𝑉 → 𝑒 ∈ 𝑃)))
25	24	rexlimiv 3127	. . . . 5 ⊢ (∃𝑞 ∈ USPGraph ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒) → (𝑣 = 𝑉 → 𝑒 ∈ 𝑃))
26	25	impcom 407	. . . 4 ⊢ ((𝑣 = 𝑉 ∧ ∃𝑞 ∈ USPGraph ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒)) → 𝑒 ∈ 𝑃)
27	26	adantl 481	. . 3 ⊢ ((𝑉 ∈ 𝑊 ∧ (𝑣 = 𝑉 ∧ ∃𝑞 ∈ USPGraph ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒))) → 𝑒 ∈ 𝑃)
28	5, 27	opabssxpd 5668	. 2 ⊢ (𝑉 ∈ 𝑊 → {⟨𝑣, 𝑒⟩ ∣ (𝑣 = 𝑉 ∧ ∃𝑞 ∈ USPGraph ((Vtx‘𝑞) = 𝑣 ∧ (Edg‘𝑞) = 𝑒))} ⊆ (𝑊 × 𝑃))
29	1, 28	eqsstrid 3969	1 ⊢ (𝑉 ∈ 𝑊 → 𝐺 ⊆ (𝑊 × 𝑃))

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395   ∧ w3a 1086   = wceq 1541   ∈ wcel 2113  ∃wrex 3057   ⊆ wss 3898  𝒫 cpw 4551  {copab 5157   × cxp 5619  ‘cfv 6488  Vtxcvtx 28978  Edgcedg 29029  UPGraphcupgr 29062  USPGraphcuspgr 29130  Pairscspr 47604

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-10 2146  ax-11 2162  ax-12 2182  ax-ext 2705  ax-rep 5221  ax-sep 5238  ax-nul 5248  ax-pow 5307  ax-pr 5374  ax-un 7676  ax-cnex 11071  ax-resscn 11072  ax-1cn 11073  ax-icn 11074  ax-addcl 11075  ax-addrcl 11076  ax-mulcl 11077  ax-mulrcl 11078  ax-mulcom 11079  ax-addass 11080  ax-mulass 11081  ax-distr 11082  ax-i2m1 11083  ax-1ne0 11084  ax-1rid 11085  ax-rnegex 11086  ax-rrecex 11087  ax-cnre 11088  ax-pre-lttri 11089  ax-pre-lttrn 11090  ax-pre-ltadd 11091  ax-pre-mulgt0 11092

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2537  df-eu 2566  df-clab 2712  df-cleq 2725  df-clel 2808  df-nfc 2882  df-ne 2930  df-nel 3034  df-ral 3049  df-rex 3058  df-reu 3348  df-rab 3397  df-v 3439  df-sbc 3738  df-csb 3847  df-dif 3901  df-un 3903  df-in 3905  df-ss 3915  df-pss 3918  df-nul 4283  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4861  df-int 4900  df-iun 4945  df-br 5096  df-opab 5158  df-mpt 5177  df-tr 5203  df-id 5516  df-eprel 5521  df-po 5529  df-so 5530  df-fr 5574  df-we 5576  df-xp 5627  df-rel 5628  df-cnv 5629  df-co 5630  df-dm 5631  df-rn 5632  df-res 5633  df-ima 5634  df-pred 6255  df-ord 6316  df-on 6317  df-lim 6318  df-suc 6319  df-iota 6444  df-fun 6490  df-fn 6491  df-f 6492  df-f1 6493  df-fo 6494  df-f1o 6495  df-fv 6496  df-riota 7311  df-ov 7357  df-oprab 7358  df-mpo 7359  df-om 7805  df-1st 7929  df-2nd 7930  df-frecs 8219  df-wrecs 8250  df-recs 8299  df-rdg 8337  df-1o 8393  df-2o 8394  df-oadd 8397  df-er 8630  df-en 8878  df-dom 8879  df-sdom 8880  df-fin 8881  df-dju 9803  df-card 9841  df-pnf 11157  df-mnf 11158  df-xr 11159  df-ltxr 11160  df-le 11161  df-sub 11355  df-neg 11356  df-nn 12135  df-2 12197  df-n0 12391  df-xnn0 12464  df-z 12478  df-uz 12741  df-fz 13412  df-hash 14242  df-edg 29030  df-upgr 29064  df-uspgr 29132  df-spr 47605

This theorem is referenced by: (None)