Theorem upgrun 16379

Description: The union 𝑈 of two pseudographs 𝐺 and 𝐻 with the same vertex set 𝑉 is a pseudograph with the vertex 𝑉 and the union (𝐸 ∪ 𝐹) of the (indexed) edges. (Contributed by AV, 12-Oct-2020.) (Revised by AV, 24-Oct-2021.)

Hypotheses

Ref	Expression
upgrun.g	⊢ (𝜑 → 𝐺 ∈ UPGraph)
upgrun.h	⊢ (𝜑 → 𝐻 ∈ UPGraph)
upgrun.e	⊢ 𝐸 = (iEdg‘𝐺)
upgrun.f	⊢ 𝐹 = (iEdg‘𝐻)
upgrun.vg	⊢ 𝑉 = (Vtx‘𝐺)
upgrun.vh	⊢ (𝜑 → (Vtx‘𝐻) = 𝑉)
upgrun.i	⊢ (𝜑 → (dom 𝐸 ∩ dom 𝐹) = ∅)
upgrun.u	⊢ (𝜑 → 𝑈 ∈ 𝑊)
upgrun.v	⊢ (𝜑 → (Vtx‘𝑈) = 𝑉)
upgrun.un	⊢ (𝜑 → (iEdg‘𝑈) = (𝐸 ∪ 𝐹))

Assertion

Ref	Expression
upgrun	⊢ (𝜑 → 𝑈 ∈ UPGraph)

Proof of Theorem upgrun

Dummy variable 𝑥 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		upgrun.g	. . . . 5 ⊢ (𝜑 → 𝐺 ∈ UPGraph)
2		upgrun.vg	. . . . . 6 ⊢ 𝑉 = (Vtx‘𝐺)
3		upgrun.e	. . . . . 6 ⊢ 𝐸 = (iEdg‘𝐺)
4	2, 3	upgrfen 16350	. . . . 5 ⊢ (𝐺 ∈ UPGraph → 𝐸:dom 𝐸⟶{𝑥 ∈ 𝒫 𝑉 ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)})
5	1, 4	syl 14	. . . 4 ⊢ (𝜑 → 𝐸:dom 𝐸⟶{𝑥 ∈ 𝒫 𝑉 ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)})
6		upgrun.h	. . . . . 6 ⊢ (𝜑 → 𝐻 ∈ UPGraph)
7		eqid 2238	. . . . . . 7 ⊢ (Vtx‘𝐻) = (Vtx‘𝐻)
8		upgrun.f	. . . . . . 7 ⊢ 𝐹 = (iEdg‘𝐻)
9	7, 8	upgrfen 16350	. . . . . 6 ⊢ (𝐻 ∈ UPGraph → 𝐹:dom 𝐹⟶{𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)})
10	6, 9	syl 14	. . . . 5 ⊢ (𝜑 → 𝐹:dom 𝐹⟶{𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)})
11		upgrun.vh	. . . . . . . . 9 ⊢ (𝜑 → (Vtx‘𝐻) = 𝑉)
12	11	eqcomd 2244	. . . . . . . 8 ⊢ (𝜑 → 𝑉 = (Vtx‘𝐻))
13	12	pweqd 3693	. . . . . . 7 ⊢ (𝜑 → 𝒫 𝑉 = 𝒫 (Vtx‘𝐻))
14	13	rabeqdv 2815	. . . . . 6 ⊢ (𝜑 → {𝑥 ∈ 𝒫 𝑉 ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)} = {𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)})
15	14	feq3d 5522	. . . . 5 ⊢ (𝜑 → (𝐹:dom 𝐹⟶{𝑥 ∈ 𝒫 𝑉 ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)} ↔ 𝐹:dom 𝐹⟶{𝑥 ∈ 𝒫 (Vtx‘𝐻) ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)}))
16	10, 15	mpbird 167	. . . 4 ⊢ (𝜑 → 𝐹:dom 𝐹⟶{𝑥 ∈ 𝒫 𝑉 ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)})
17		upgrun.i	. . . 4 ⊢ (𝜑 → (dom 𝐸 ∩ dom 𝐹) = ∅)
18	5, 16, 17	fun2d 5563	. . 3 ⊢ (𝜑 → (𝐸 ∪ 𝐹):(dom 𝐸 ∪ dom 𝐹)⟶{𝑥 ∈ 𝒫 𝑉 ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)})
19		upgrun.un	. . . 4 ⊢ (𝜑 → (iEdg‘𝑈) = (𝐸 ∪ 𝐹))
20	19	dmeqd 4983	. . . . 5 ⊢ (𝜑 → dom (iEdg‘𝑈) = dom (𝐸 ∪ 𝐹))
21		dmun 4988	. . . . 5 ⊢ dom (𝐸 ∪ 𝐹) = (dom 𝐸 ∪ dom 𝐹)
22	20, 21	eqtrdi 2287	. . . 4 ⊢ (𝜑 → dom (iEdg‘𝑈) = (dom 𝐸 ∪ dom 𝐹))
23		upgrun.v	. . . . . 6 ⊢ (𝜑 → (Vtx‘𝑈) = 𝑉)
24	23	pweqd 3693	. . . . 5 ⊢ (𝜑 → 𝒫 (Vtx‘𝑈) = 𝒫 𝑉)
25	24	rabeqdv 2815	. . . 4 ⊢ (𝜑 → {𝑥 ∈ 𝒫 (Vtx‘𝑈) ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)} = {𝑥 ∈ 𝒫 𝑉 ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)})
26	19, 22, 25	feq123d 5524	. . 3 ⊢ (𝜑 → ((iEdg‘𝑈):dom (iEdg‘𝑈)⟶{𝑥 ∈ 𝒫 (Vtx‘𝑈) ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)} ↔ (𝐸 ∪ 𝐹):(dom 𝐸 ∪ dom 𝐹)⟶{𝑥 ∈ 𝒫 𝑉 ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)}))
27	18, 26	mpbird 167	. 2 ⊢ (𝜑 → (iEdg‘𝑈):dom (iEdg‘𝑈)⟶{𝑥 ∈ 𝒫 (Vtx‘𝑈) ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)})
28		upgrun.u	. . 3 ⊢ (𝜑 → 𝑈 ∈ 𝑊)
29		eqid 2238	. . . 4 ⊢ (Vtx‘𝑈) = (Vtx‘𝑈)
30		eqid 2238	. . . 4 ⊢ (iEdg‘𝑈) = (iEdg‘𝑈)
31	29, 30	isupgren 16348	. . 3 ⊢ (𝑈 ∈ 𝑊 → (𝑈 ∈ UPGraph ↔ (iEdg‘𝑈):dom (iEdg‘𝑈)⟶{𝑥 ∈ 𝒫 (Vtx‘𝑈) ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)}))
32	28, 31	syl 14	. 2 ⊢ (𝜑 → (𝑈 ∈ UPGraph ↔ (iEdg‘𝑈):dom (iEdg‘𝑈)⟶{𝑥 ∈ 𝒫 (Vtx‘𝑈) ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)}))
33	27, 32	mpbird 167	1 ⊢ (𝜑 → 𝑈 ∈ UPGraph)

This proof depends on syntax axioms:   → wi 4   ↔ wb 105   ∨ wo 720   = wceq 1402   ∈ wcel 2209  {crab 2532   ∪ cun 3218   ∩ cin 3219  ∅c0 3520  𝒫 cpw 3688   class class class wbr 4130  dom cdm 4774  ⟶wf 5373  ‘cfv 5377  1_oc1o 6680  2_oc2o 6681   ≈ cen 7020  Vtxcvtx 16265  iEdgciedg 16266  UPGraphcupgr 16344

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4249  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-cnex 8270  ax-resscn 8271  ax-1cn 8272  ax-1re 8273  ax-icn 8274  ax-addcl 8275  ax-addrcl 8276  ax-mulcl 8277  ax-addcom 8279  ax-mulcom 8280  ax-addass 8281  ax-mulass 8282  ax-distr 8283  ax-i2m1 8284  ax-1rid 8286  ax-0id 8287  ax-rnegex 8288  ax-cnre 8290

This proof depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-ral 2533  df-rex 2534  df-reu 2535  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-if 3639  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-int 3971  df-br 4131  df-opab 4193  df-mpt 4194  df-id 4438  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-fo 5383  df-fv 5385  df-riota 6038  df-ov 6088  df-oprab 6089  df-mpo 6090  df-1st 6374  df-2nd 6375  df-sub 8499  df-inn 9306  df-2 9364  df-3 9365  df-4 9366  df-5 9367  df-6 9368  df-7 9369  df-8 9370  df-9 9371  df-n0 9566  df-dec 9780  df-ndx 13357  df-slot 13358  df-base 13360  df-edgf 16258  df-vtx 16267  df-iedg 16268  df-upgren 16346

This theorem is used by:  upgrunop  16380  uspgrun  16444  vtxdfifiun  16550