Theorem upgrimtrls 47900

Description: Graph isomorphisms between simple pseudographs map trails onto trails. (Contributed by AV, 29-Oct-2025.)

Hypotheses

Ref	Expression
upgrimwlk.i	⊢ 𝐼 = (iEdg‘𝐺)
upgrimwlk.j	⊢ 𝐽 = (iEdg‘𝐻)
upgrimwlk.g	⊢ (𝜑 → 𝐺 ∈ USPGraph)
upgrimwlk.h	⊢ (𝜑 → 𝐻 ∈ USPGraph)
upgrimwlk.n	⊢ (𝜑 → 𝑁 ∈ (𝐺 GraphIso 𝐻))
upgrimwlk.e	⊢ 𝐸 = (𝑥 ∈ dom 𝐹 ↦ (◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))))
upgrimtrls.t	⊢ (𝜑 → 𝐹(Trails‘𝐺)𝑃)

Assertion

Ref	Expression
upgrimtrls	⊢ (𝜑 → 𝐸(Trails‘𝐻)(𝑁 ∘ 𝑃))

Distinct variable groups:   𝑥,𝐹   𝑥,𝐺   𝑥,𝐼   𝑥,𝐽   𝑥,𝑃   𝜑,𝑥   𝑥,𝐸   𝑥,𝑁

Allowed substitution hint:   𝐻(𝑥)

Proof of Theorem upgrimtrls

Dummy variable 𝑦 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		upgrimwlk.i	. . 3 ⊢ 𝐼 = (iEdg‘𝐺)
2		upgrimwlk.j	. . 3 ⊢ 𝐽 = (iEdg‘𝐻)
3		upgrimwlk.g	. . 3 ⊢ (𝜑 → 𝐺 ∈ USPGraph)
4		upgrimwlk.h	. . 3 ⊢ (𝜑 → 𝐻 ∈ USPGraph)
5		upgrimwlk.n	. . 3 ⊢ (𝜑 → 𝑁 ∈ (𝐺 GraphIso 𝐻))
6		upgrimwlk.e	. . 3 ⊢ 𝐸 = (𝑥 ∈ dom 𝐹 ↦ (◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))))
7		upgrimtrls.t	. . . 4 ⊢ (𝜑 → 𝐹(Trails‘𝐺)𝑃)
8		trliswlk 29641	. . . 4 ⊢ (𝐹(Trails‘𝐺)𝑃 → 𝐹(Walks‘𝐺)𝑃)
9	7, 8	syl 17	. . 3 ⊢ (𝜑 → 𝐹(Walks‘𝐺)𝑃)
10	1, 2, 3, 4, 5, 6, 9	upgrimwlk 47896	. 2 ⊢ (𝜑 → 𝐸(Walks‘𝐻)(𝑁 ∘ 𝑃))
11	4	adantr 480	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ dom 𝐹) → 𝐻 ∈ USPGraph)
12	2	uspgrf1oedg 29118	. . . . . . . 8 ⊢ (𝐻 ∈ USPGraph → 𝐽:dom 𝐽–1-1-onto→(Edg‘𝐻))
13	11, 12	syl 17	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ dom 𝐹) → 𝐽:dom 𝐽–1-1-onto→(Edg‘𝐻))
14	1, 2, 3, 4, 5, 6, 7	upgrimtrlslem1 47898	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ dom 𝐹) → (𝑁 “ (𝐼‘(𝐹‘𝑥))) ∈ (Edg‘𝐻))
15		f1ocnvdm 7222	. . . . . . 7 ⊢ ((𝐽:dom 𝐽–1-1-onto→(Edg‘𝐻) ∧ (𝑁 “ (𝐼‘(𝐹‘𝑥))) ∈ (Edg‘𝐻)) → (◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))) ∈ dom 𝐽)
16	13, 14, 15	syl2anc 584	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ dom 𝐹) → (◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))) ∈ dom 𝐽)
17	16	ralrimiva 3121	. . . . 5 ⊢ (𝜑 → ∀𝑥 ∈ dom 𝐹(◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))) ∈ dom 𝐽)
18	1, 2, 3, 4, 5, 6, 7	upgrimtrlslem2 47899	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ dom 𝐹 ∧ 𝑦 ∈ dom 𝐹)) → ((◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))) = (◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑦)))) → 𝑥 = 𝑦))
19	18	ralrimivva 3172	. . . . 5 ⊢ (𝜑 → ∀𝑥 ∈ dom 𝐹∀𝑦 ∈ dom 𝐹((◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))) = (◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑦)))) → 𝑥 = 𝑦))
20		2fveq3 6827	. . . . . . . 8 ⊢ (𝑥 = 𝑦 → (𝐼‘(𝐹‘𝑥)) = (𝐼‘(𝐹‘𝑦)))
21	20	imaeq2d 6011	. . . . . . 7 ⊢ (𝑥 = 𝑦 → (𝑁 “ (𝐼‘(𝐹‘𝑥))) = (𝑁 “ (𝐼‘(𝐹‘𝑦))))
22	21	fveq2d 6826	. . . . . 6 ⊢ (𝑥 = 𝑦 → (◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))) = (◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑦)))))
23	6, 22	f1mpt 7198	. . . . 5 ⊢ (𝐸:dom 𝐹–1-1→dom 𝐽 ↔ (∀𝑥 ∈ dom 𝐹(◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))) ∈ dom 𝐽 ∧ ∀𝑥 ∈ dom 𝐹∀𝑦 ∈ dom 𝐹((◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))) = (◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑦)))) → 𝑥 = 𝑦)))
24	17, 19, 23	sylanbrc 583	. . . 4 ⊢ (𝜑 → 𝐸:dom 𝐹–1-1→dom 𝐽)
25		eqidd 2730	. . . . 5 ⊢ (𝜑 → 𝐸 = 𝐸)
26	1	wlkf 29560	. . . . . . . . 9 ⊢ (𝐹(Walks‘𝐺)𝑃 → 𝐹 ∈ Word dom 𝐼)
27	7, 8, 26	3syl 18	. . . . . . . 8 ⊢ (𝜑 → 𝐹 ∈ Word dom 𝐼)
28	1, 2, 3, 4, 5, 6, 27	upgrimwlklem1 47891	. . . . . . 7 ⊢ (𝜑 → (♯‘𝐸) = (♯‘𝐹))
29	28	oveq2d 7365	. . . . . 6 ⊢ (𝜑 → (0..^(♯‘𝐸)) = (0..^(♯‘𝐹)))
30		wrddm 14428	. . . . . . . 8 ⊢ (𝐹 ∈ Word dom 𝐼 → dom 𝐹 = (0..^(♯‘𝐹)))
31	8, 26, 30	3syl 18	. . . . . . 7 ⊢ (𝐹(Trails‘𝐺)𝑃 → dom 𝐹 = (0..^(♯‘𝐹)))
32	7, 31	syl 17	. . . . . 6 ⊢ (𝜑 → dom 𝐹 = (0..^(♯‘𝐹)))
33	29, 32	eqtr4d 2767	. . . . 5 ⊢ (𝜑 → (0..^(♯‘𝐸)) = dom 𝐹)
34		eqidd 2730	. . . . 5 ⊢ (𝜑 → dom 𝐽 = dom 𝐽)
35	25, 33, 34	f1eq123d 6756	. . . 4 ⊢ (𝜑 → (𝐸:(0..^(♯‘𝐸))–1-1→dom 𝐽 ↔ 𝐸:dom 𝐹–1-1→dom 𝐽))
36	24, 35	mpbird 257	. . 3 ⊢ (𝜑 → 𝐸:(0..^(♯‘𝐸))–1-1→dom 𝐽)
37		df-f1 6487	. . . 4 ⊢ (𝐸:(0..^(♯‘𝐸))–1-1→dom 𝐽 ↔ (𝐸:(0..^(♯‘𝐸))⟶dom 𝐽 ∧ Fun ◡𝐸))
38	37	simprbi 496	. . 3 ⊢ (𝐸:(0..^(♯‘𝐸))–1-1→dom 𝐽 → Fun ◡𝐸)
39	36, 38	syl 17	. 2 ⊢ (𝜑 → Fun ◡𝐸)
40		istrl 29640	. 2 ⊢ (𝐸(Trails‘𝐻)(𝑁 ∘ 𝑃) ↔ (𝐸(Walks‘𝐻)(𝑁 ∘ 𝑃) ∧ Fun ◡𝐸))
41	10, 39, 40	sylanbrc 583	1 ⊢ (𝜑 → 𝐸(Trails‘𝐻)(𝑁 ∘ 𝑃))

Syntax hints:   → wi 4   ∧ wa 395   = wceq 1540   ∈ wcel 2109  ∀wral 3044   class class class wbr 5092   ↦ cmpt 5173  ^◡ccnv 5618  dom cdm 5619   “ cima 5622   ∘ ccom 5623  Fun wfun 6476  ⟶wf 6478  –1-1→wf1 6479  –1-1-onto→wf1o 6481  ‘cfv 6482  (class class class)co 7349  0cc0 11009  ..^cfzo 13557  ♯chash 14237  Word cword 14420  iEdgciedg 28942  Edgcedg 28992  USPGraphcuspgr 29093  Walkscwlks 29542  Trailsctrls 29634   GraphIso cgrim 47869

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5218  ax-sep 5235  ax-nul 5245  ax-pow 5304  ax-pr 5371  ax-un 7671  ax-cnex 11065  ax-resscn 11066  ax-1cn 11067  ax-icn 11068  ax-addcl 11069  ax-addrcl 11070  ax-mulcl 11071  ax-mulrcl 11072  ax-mulcom 11073  ax-addass 11074  ax-mulass 11075  ax-distr 11076  ax-i2m1 11077  ax-1ne0 11078  ax-1rid 11079  ax-rnegex 11080  ax-rrecex 11081  ax-cnre 11082  ax-pre-lttri 11083  ax-pre-lttrn 11084  ax-pre-ltadd 11085  ax-pre-mulgt0 11086

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-ifp 1063  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-nel 3030  df-ral 3045  df-rex 3054  df-reu 3344  df-rab 3395  df-v 3438  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4285  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4859  df-int 4897  df-iun 4943  df-br 5093  df-opab 5155  df-mpt 5174  df-tr 5200  df-id 5514  df-eprel 5519  df-po 5527  df-so 5528  df-fr 5572  df-we 5574  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-pred 6249  df-ord 6310  df-on 6311  df-lim 6312  df-suc 6313  df-iota 6438  df-fun 6484  df-fn 6485  df-f 6486  df-f1 6487  df-fo 6488  df-f1o 6489  df-fv 6490  df-riota 7306  df-ov 7352  df-oprab 7353  df-mpo 7354  df-om 7800  df-1st 7924  df-2nd 7925  df-frecs 8214  df-wrecs 8245  df-recs 8294  df-rdg 8332  df-1o 8388  df-2o 8389  df-oadd 8392  df-er 8625  df-map 8755  df-pm 8756  df-en 8873  df-dom 8874  df-sdom 8875  df-fin 8876  df-dju 9797  df-card 9835  df-pnf 11151  df-mnf 11152  df-xr 11153  df-ltxr 11154  df-le 11155  df-sub 11349  df-neg 11350  df-nn 12129  df-2 12191  df-n0 12385  df-xnn0 12458  df-z 12472  df-uz 12736  df-fz 13411  df-fzo 13558  df-hash 14238  df-word 14421  df-edg 28993  df-uhgr 29003  df-upgr 29027  df-uspgr 29095  df-wlks 29545  df-trls 29636  df-grim 47872

This theorem is referenced by:  upgrimpths  47903  upgrimspths  47904