Theorem usgrstrrepeen 16075

Description: Replacing (or adding) the edges (between elements of the base set) of an extensible structure results in a simple graph. Instead of requiring (𝜑 → 𝐺 Struct 𝑋), it would be sufficient to require (𝜑 → Fun (𝐺 ∖ {∅})) and (𝜑 → 𝐺 ∈ V). (Contributed by AV, 13-Nov-2021.) (Proof shortened by AV, 16-Nov-2021.)

Hypotheses

Ref	Expression
usgrstrrepe.v	⊢ 𝑉 = (Base‘𝐺)
usgrstrrepe.i	⊢ 𝐼 = (.ef‘ndx)
usgrstrrepe.s	⊢ (𝜑 → 𝐺 Struct 𝑋)
usgrstrrepe.b	⊢ (𝜑 → (Base‘ndx) ∈ dom 𝐺)
usgrstrrepe.w	⊢ (𝜑 → 𝐸 ∈ 𝑊)
usgrstrrepeen.e	⊢ (𝜑 → 𝐸:dom 𝐸–1-1→{𝑥 ∈ 𝒫 𝑉 ∣ 𝑥 ≈ 2o})

Assertion

Ref	Expression
usgrstrrepeen	⊢ (𝜑 → (𝐺 sSet ⟨𝐼, 𝐸⟩) ∈ USGraph)

Distinct variable groups:   𝑥,𝐺   𝑥,𝐸   𝑥,𝐼   𝑥,𝑉   𝜑,𝑥

Allowed substitution hints:   𝑊(𝑥)   𝑋(𝑥)

Proof of Theorem usgrstrrepeen

Step	Hyp	Ref	Expression
1		usgrstrrepeen.e	. . . 4 ⊢ (𝜑 → 𝐸:dom 𝐸–1-1→{𝑥 ∈ 𝒫 𝑉 ∣ 𝑥 ≈ 2o})
2		usgrstrrepe.i	. . . . . . . . 9 ⊢ 𝐼 = (.ef‘ndx)
3		usgrstrrepe.s	. . . . . . . . 9 ⊢ (𝜑 → 𝐺 Struct 𝑋)
4		usgrstrrepe.b	. . . . . . . . 9 ⊢ (𝜑 → (Base‘ndx) ∈ dom 𝐺)
5		usgrstrrepe.w	. . . . . . . . 9 ⊢ (𝜑 → 𝐸 ∈ 𝑊)
6	2, 3, 4, 5	setsvtx 15895	. . . . . . . 8 ⊢ (𝜑 → (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) = (Base‘𝐺))
7		usgrstrrepe.v	. . . . . . . 8 ⊢ 𝑉 = (Base‘𝐺)
8	6, 7	eqtr4di 2280	. . . . . . 7 ⊢ (𝜑 → (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) = 𝑉)
9	8	pweqd 3655	. . . . . 6 ⊢ (𝜑 → 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) = 𝒫 𝑉)
10	9	rabeqdv 2794	. . . . 5 ⊢ (𝜑 → {𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o} = {𝑥 ∈ 𝒫 𝑉 ∣ 𝑥 ≈ 2o})
11		f1eq3 5536	. . . . 5 ⊢ ({𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o} = {𝑥 ∈ 𝒫 𝑉 ∣ 𝑥 ≈ 2o} → (𝐸:dom 𝐸–1-1→{𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o} ↔ 𝐸:dom 𝐸–1-1→{𝑥 ∈ 𝒫 𝑉 ∣ 𝑥 ≈ 2o}))
12	10, 11	syl 14	. . . 4 ⊢ (𝜑 → (𝐸:dom 𝐸–1-1→{𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o} ↔ 𝐸:dom 𝐸–1-1→{𝑥 ∈ 𝒫 𝑉 ∣ 𝑥 ≈ 2o}))
13	1, 12	mpbird 167	. . 3 ⊢ (𝜑 → 𝐸:dom 𝐸–1-1→{𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o})
14	2, 3, 4, 5	setsiedg 15896	. . . 4 ⊢ (𝜑 → (iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) = 𝐸)
15	14	dmeqd 4931	. . . 4 ⊢ (𝜑 → dom (iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) = dom 𝐸)
16		eqidd 2230	. . . 4 ⊢ (𝜑 → {𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o} = {𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o})
17	14, 15, 16	f1eq123d 5572	. . 3 ⊢ (𝜑 → ((iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩)):dom (iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩))–1-1→{𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o} ↔ 𝐸:dom 𝐸–1-1→{𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o}))
18	13, 17	mpbird 167	. 2 ⊢ (𝜑 → (iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩)):dom (iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩))–1-1→{𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o})
19		structex 13087	. . . . 5 ⊢ (𝐺 Struct 𝑋 → 𝐺 ∈ V)
20	3, 19	syl 14	. . . 4 ⊢ (𝜑 → 𝐺 ∈ V)
21		edgfndxnn 15852	. . . . . 6 ⊢ (.ef‘ndx) ∈ ℕ
22	2, 21	eqeltri 2302	. . . . 5 ⊢ 𝐼 ∈ ℕ
23	22	a1i 9	. . . 4 ⊢ (𝜑 → 𝐼 ∈ ℕ)
24		setsex 13107	. . . 4 ⊢ ((𝐺 ∈ V ∧ 𝐼 ∈ ℕ ∧ 𝐸 ∈ 𝑊) → (𝐺 sSet ⟨𝐼, 𝐸⟩) ∈ V)
25	20, 23, 5, 24	syl3anc 1271	. . 3 ⊢ (𝜑 → (𝐺 sSet ⟨𝐼, 𝐸⟩) ∈ V)
26		eqid 2229	. . . 4 ⊢ (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) = (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩))
27		eqid 2229	. . . 4 ⊢ (iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) = (iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩))
28	26, 27	isusgren 16002	. . 3 ⊢ ((𝐺 sSet ⟨𝐼, 𝐸⟩) ∈ V → ((𝐺 sSet ⟨𝐼, 𝐸⟩) ∈ USGraph ↔ (iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩)):dom (iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩))–1-1→{𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o}))
29	25, 28	syl 14	. 2 ⊢ (𝜑 → ((𝐺 sSet ⟨𝐼, 𝐸⟩) ∈ USGraph ↔ (iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩)):dom (iEdg‘(𝐺 sSet ⟨𝐼, 𝐸⟩))–1-1→{𝑥 ∈ 𝒫 (Vtx‘(𝐺 sSet ⟨𝐼, 𝐸⟩)) ∣ 𝑥 ≈ 2o}))
30	18, 29	mpbird 167	1 ⊢ (𝜑 → (𝐺 sSet ⟨𝐼, 𝐸⟩) ∈ USGraph)

Syntax hints:   → wi 4   ↔ wb 105   = wceq 1395   ∈ wcel 2200  {crab 2512  Vcvv 2800  𝒫 cpw 3650  ⟨cop 3670   class class class wbr 4086  dom cdm 4723  –1-1→wf1 5321  ‘cfv 5324  (class class class)co 6013  2_oc2o 6571   ≈ cen 6902  ℕcn 9136   Struct cstr 13071  ndxcnx 13072   sSet csts 13073  Basecbs 13075  .efcedgf 15848  Vtxcvtx 15856  iEdgciedg 15857  USGraphcusgr 15998

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-sep 4205  ax-nul 4213  ax-pow 4262  ax-pr 4297  ax-un 4528  ax-setind 4633  ax-cnex 8116  ax-resscn 8117  ax-1cn 8118  ax-1re 8119  ax-icn 8120  ax-addcl 8121  ax-addrcl 8122  ax-mulcl 8123  ax-mulrcl 8124  ax-addcom 8125  ax-mulcom 8126  ax-addass 8127  ax-mulass 8128  ax-distr 8129  ax-i2m1 8130  ax-0lt1 8131  ax-1rid 8132  ax-0id 8133  ax-rnegex 8134  ax-precex 8135  ax-cnre 8136  ax-pre-ltirr 8137  ax-pre-ltwlin 8138  ax-pre-lttrn 8139  ax-pre-ltadd 8141  ax-pre-mulgt0 8142

This theorem depends on definitions:  df-bi 117  df-dc 840  df-3or 1003  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-nel 2496  df-ral 2513  df-rex 2514  df-reu 2515  df-rab 2517  df-v 2802  df-sbc 3030  df-csb 3126  df-dif 3200  df-un 3202  df-in 3204  df-ss 3211  df-nul 3493  df-if 3604  df-pw 3652  df-sn 3673  df-pr 3674  df-op 3676  df-uni 3892  df-int 3927  df-br 4087  df-opab 4149  df-mpt 4150  df-tr 4186  df-id 4388  df-iord 4461  df-on 4463  df-suc 4466  df-xp 4729  df-rel 4730  df-cnv 4731  df-co 4732  df-dm 4733  df-rn 4734  df-res 4735  df-iota 5284  df-fun 5326  df-fn 5327  df-f 5328  df-f1 5329  df-fo 5330  df-f1o 5331  df-fv 5332  df-riota 5966  df-ov 6016  df-oprab 6017  df-mpo 6018  df-1st 6298  df-2nd 6299  df-1o 6577  df-2o 6578  df-en 6905  df-dom 6906  df-pnf 8209  df-mnf 8210  df-xr 8211  df-ltxr 8212  df-le 8213  df-sub 8345  df-neg 8346  df-inn 9137  df-2 9195  df-3 9196  df-4 9197  df-5 9198  df-6 9199  df-7 9200  df-8 9201  df-9 9202  df-n0 9396  df-z 9473  df-dec 9605  df-struct 13077  df-ndx 13078  df-slot 13079  df-base 13081  df-sets 13082  df-edgf 15849  df-vtx 15858  df-iedg 15859  df-usgren 16000

This theorem is referenced by: (None)