Theorem upgrimtrls 48005

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 29674	. . . 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 48001	. 2 ⊢ (𝜑 → 𝐸(Walks‘𝐻)(𝑁 ∘ 𝑃))
11	4	adantr 480	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ dom 𝐹) → 𝐻 ∈ USPGraph)
12	2	uspgrf1oedg 29151	. . . . . . . 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 48003	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ dom 𝐹) → (𝑁 “ (𝐼‘(𝐹‘𝑥))) ∈ (Edg‘𝐻))
15		f1ocnvdm 7219	. . . . . . 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 3124	. . . . 5 ⊢ (𝜑 → ∀𝑥 ∈ dom 𝐹(◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))) ∈ dom 𝐽)
18	1, 2, 3, 4, 5, 6, 7	upgrimtrlslem2 48004	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ dom 𝐹 ∧ 𝑦 ∈ dom 𝐹)) → ((◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑥)))) = (◡𝐽‘(𝑁 “ (𝐼‘(𝐹‘𝑦)))) → 𝑥 = 𝑦))
19	18	ralrimivva 3175	. . . . 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 6008	. . . . . . 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 7195	. . . . 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 2732	. . . . 5 ⊢ (𝜑 → 𝐸 = 𝐸)
26	1	wlkf 29593	. . . . . . . . 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 47996	. . . . . . 7 ⊢ (𝜑 → (♯‘𝐸) = (♯‘𝐹))
29	28	oveq2d 7362	. . . . . 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 2769	. . . . 5 ⊢ (𝜑 → (0..^(♯‘𝐸)) = dom 𝐹)
34		eqidd 2732	. . . . 5 ⊢ (𝜑 → dom 𝐽 = dom 𝐽)
35	25, 33, 34	f1eq123d 6755	. . . 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 6486	. . . 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 29673	. 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 1541   ∈ wcel 2111  ∀wral 3047   class class class wbr 5089   ↦ cmpt 5170  ^◡ccnv 5613  dom cdm 5614   “ cima 5617   ∘ ccom 5618  Fun wfun 6475  ⟶wf 6477  –1-1→wf1 6478  –1-1-onto→wf1o 6480  ‘cfv 6481  (class class class)co 7346  0cc0 11006  ..^cfzo 13554  ♯chash 14237  Word cword 14420  iEdgciedg 28975  Edgcedg 29025  USPGraphcuspgr 29126  Walkscwlks 29575  Trailsctrls 29667   GraphIso cgrim 47974

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 2113  ax-9 2121  ax-10 2144  ax-11 2160  ax-12 2180  ax-ext 2703  ax-rep 5215  ax-sep 5232  ax-nul 5242  ax-pow 5301  ax-pr 5368  ax-un 7668  ax-cnex 11062  ax-resscn 11063  ax-1cn 11064  ax-icn 11065  ax-addcl 11066  ax-addrcl 11067  ax-mulcl 11068  ax-mulrcl 11069  ax-mulcom 11070  ax-addass 11071  ax-mulass 11072  ax-distr 11073  ax-i2m1 11074  ax-1ne0 11075  ax-1rid 11076  ax-rnegex 11077  ax-rrecex 11078  ax-cnre 11079  ax-pre-lttri 11080  ax-pre-lttrn 11081  ax-pre-ltadd 11082  ax-pre-mulgt0 11083

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 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2535  df-eu 2564  df-clab 2710  df-cleq 2723  df-clel 2806  df-nfc 2881  df-ne 2929  df-nel 3033  df-ral 3048  df-rex 3057  df-reu 3347  df-rab 3396  df-v 3438  df-sbc 3737  df-csb 3846  df-dif 3900  df-un 3902  df-in 3904  df-ss 3914  df-pss 3917  df-nul 4281  df-if 4473  df-pw 4549  df-sn 4574  df-pr 4576  df-op 4580  df-uni 4857  df-int 4896  df-iun 4941  df-br 5090  df-opab 5152  df-mpt 5171  df-tr 5197  df-id 5509  df-eprel 5514  df-po 5522  df-so 5523  df-fr 5567  df-we 5569  df-xp 5620  df-rel 5621  df-cnv 5622  df-co 5623  df-dm 5624  df-rn 5625  df-res 5626  df-ima 5627  df-pred 6248  df-ord 6309  df-on 6310  df-lim 6311  df-suc 6312  df-iota 6437  df-fun 6483  df-fn 6484  df-f 6485  df-f1 6486  df-fo 6487  df-f1o 6488  df-fv 6489  df-riota 7303  df-ov 7349  df-oprab 7350  df-mpo 7351  df-om 7797  df-1st 7921  df-2nd 7922  df-frecs 8211  df-wrecs 8242  df-recs 8291  df-rdg 8329  df-1o 8385  df-2o 8386  df-oadd 8389  df-er 8622  df-map 8752  df-pm 8753  df-en 8870  df-dom 8871  df-sdom 8872  df-fin 8873  df-dju 9794  df-card 9832  df-pnf 11148  df-mnf 11149  df-xr 11150  df-ltxr 11151  df-le 11152  df-sub 11346  df-neg 11347  df-nn 12126  df-2 12188  df-n0 12382  df-xnn0 12455  df-z 12469  df-uz 12733  df-fz 13408  df-fzo 13555  df-hash 14238  df-word 14421  df-edg 29026  df-uhgr 29036  df-upgr 29060  df-uspgr 29128  df-wlks 29578  df-trls 29669  df-grim 47977

This theorem is referenced by:  upgrimpths  48008  upgrimspths  48009