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Theorem grlimprclnbgrvtx 48475
Description: For two locally isomorphic graphs 𝐺 and 𝐻 and a vertex 𝐴 of 𝐺 there is a bijection 𝑓 mapping the closed neighborhood 𝑁 of 𝐴 onto the closed neighborhood 𝑀 of (𝐹𝐴), so that the mapped vertices of an edge {𝐴, 𝐵} containing the vertex 𝐴 is an edge between the vertices in 𝑀 containing the vertex (𝐹𝐴). (Contributed by AV, 28-Dec-2025.)
Hypotheses
Ref Expression
clnbgrvtxedg.n 𝑁 = (𝐺 ClNeighbVtx 𝐴)
clnbgrvtxedg.i 𝐼 = (Edg‘𝐺)
clnbgrvtxedg.k 𝐾 = {𝑥𝐼𝑥𝑁}
grlimedgclnbgr.m 𝑀 = (𝐻 ClNeighbVtx (𝐹𝐴))
grlimedgclnbgr.j 𝐽 = (Edg‘𝐻)
grlimedgclnbgr.l 𝐿 = {𝑥𝐽𝑥𝑀}
Assertion
Ref Expression
grlimprclnbgrvtx (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) → ∃𝑓(𝑓:𝑁1-1-onto𝑀 ∧ ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿)))
Distinct variable groups:   𝑥,𝐼   𝑥,𝑁   𝑥,𝐴,𝑓   𝑓,𝐹,𝑥   𝑓,𝐺,𝑥   𝑓,𝐻,𝑥   𝑓,𝐼   𝑥,𝐽   𝐵,𝑓,𝑥   𝑓,𝑉   𝑓,𝑊   𝑥,𝑀   𝑥,𝑓
Allowed substitution hints:   𝐽(𝑓)   𝐾(𝑥,𝑓)   𝐿(𝑥,𝑓)   𝑀(𝑓)   𝑁(𝑓)   𝑉(𝑥)   𝑊(𝑥)

Proof of Theorem grlimprclnbgrvtx
StepHypRef Expression
1 clnbgrvtxedg.n . . 3 𝑁 = (𝐺 ClNeighbVtx 𝐴)
2 clnbgrvtxedg.i . . 3 𝐼 = (Edg‘𝐺)
3 clnbgrvtxedg.k . . 3 𝐾 = {𝑥𝐼𝑥𝑁}
4 grlimedgclnbgr.m . . 3 𝑀 = (𝐻 ClNeighbVtx (𝐹𝐴))
5 grlimedgclnbgr.j . . 3 𝐽 = (Edg‘𝐻)
6 grlimedgclnbgr.l . . 3 𝐿 = {𝑥𝐽𝑥𝑀}
71, 2, 3, 4, 5, 6grlimprclnbgredg 48473 . 2 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) → ∃𝑓(𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿))
8 simprl 771 . . . . 5 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) → 𝑓:𝑁1-1-onto𝑀)
9 sseq1 3947 . . . . . . . . . 10 (𝑥 = {(𝑓𝐴), (𝑓𝐵)} → (𝑥𝑀 ↔ {(𝑓𝐴), (𝑓𝐵)} ⊆ 𝑀))
109, 6elrab2 3637 . . . . . . . . 9 ({(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿 ↔ ({(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽 ∧ {(𝑓𝐴), (𝑓𝐵)} ⊆ 𝑀))
1110biimpi 216 . . . . . . . 8 ({(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿 → ({(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽 ∧ {(𝑓𝐴), (𝑓𝐵)} ⊆ 𝑀))
1211adantl 481 . . . . . . 7 ((𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿) → ({(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽 ∧ {(𝑓𝐴), (𝑓𝐵)} ⊆ 𝑀))
1312adantl 481 . . . . . 6 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) → ({(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽 ∧ {(𝑓𝐴), (𝑓𝐵)} ⊆ 𝑀))
14 fvex 6853 . . . . . . . . 9 (𝑓𝐴) ∈ V
15 fvex 6853 . . . . . . . . 9 (𝑓𝐵) ∈ V
1614, 15prss 4763 . . . . . . . 8 (((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀) ↔ {(𝑓𝐴), (𝑓𝐵)} ⊆ 𝑀)
17 uspgrupgr 29247 . . . . . . . . . . . . . . 15 (𝐻 ∈ USPGraph → 𝐻 ∈ UPGraph)
1817adantl 481 . . . . . . . . . . . . . 14 ((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) → 𝐻 ∈ UPGraph)
19183ad2ant1 1134 . . . . . . . . . . . . 13 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) → 𝐻 ∈ UPGraph)
2019ad2antrr 727 . . . . . . . . . . . 12 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) → 𝐻 ∈ UPGraph)
214eleq2i 2828 . . . . . . . . . . . . . 14 ((𝑓𝐴) ∈ 𝑀 ↔ (𝑓𝐴) ∈ (𝐻 ClNeighbVtx (𝐹𝐴)))
225clnbupgreli 48311 . . . . . . . . . . . . . . 15 ((𝐻 ∈ UPGraph ∧ (𝑓𝐴) ∈ (𝐻 ClNeighbVtx (𝐹𝐴))) → ((𝑓𝐴) = (𝐹𝐴) ∨ {(𝑓𝐴), (𝐹𝐴)} ∈ 𝐽))
2322ex 412 . . . . . . . . . . . . . 14 (𝐻 ∈ UPGraph → ((𝑓𝐴) ∈ (𝐻 ClNeighbVtx (𝐹𝐴)) → ((𝑓𝐴) = (𝐹𝐴) ∨ {(𝑓𝐴), (𝐹𝐴)} ∈ 𝐽)))
2421, 23biimtrid 242 . . . . . . . . . . . . 13 (𝐻 ∈ UPGraph → ((𝑓𝐴) ∈ 𝑀 → ((𝑓𝐴) = (𝐹𝐴) ∨ {(𝑓𝐴), (𝐹𝐴)} ∈ 𝐽)))
254eleq2i 2828 . . . . . . . . . . . . . 14 ((𝑓𝐵) ∈ 𝑀 ↔ (𝑓𝐵) ∈ (𝐻 ClNeighbVtx (𝐹𝐴)))
265clnbupgreli 48311 . . . . . . . . . . . . . . 15 ((𝐻 ∈ UPGraph ∧ (𝑓𝐵) ∈ (𝐻 ClNeighbVtx (𝐹𝐴))) → ((𝑓𝐵) = (𝐹𝐴) ∨ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽))
2726ex 412 . . . . . . . . . . . . . 14 (𝐻 ∈ UPGraph → ((𝑓𝐵) ∈ (𝐻 ClNeighbVtx (𝐹𝐴)) → ((𝑓𝐵) = (𝐹𝐴) ∨ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽)))
2825, 27biimtrid 242 . . . . . . . . . . . . 13 (𝐻 ∈ UPGraph → ((𝑓𝐵) ∈ 𝑀 → ((𝑓𝐵) = (𝐹𝐴) ∨ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽)))
2924, 28anim12d 610 . . . . . . . . . . . 12 (𝐻 ∈ UPGraph → (((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀) → (((𝑓𝐴) = (𝐹𝐴) ∨ {(𝑓𝐴), (𝐹𝐴)} ∈ 𝐽) ∧ ((𝑓𝐵) = (𝐹𝐴) ∨ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽))))
3020, 29syl 17 . . . . . . . . . . 11 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) → (((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀) → (((𝑓𝐴) = (𝐹𝐴) ∨ {(𝑓𝐴), (𝐹𝐴)} ∈ 𝐽) ∧ ((𝑓𝐵) = (𝐹𝐴) ∨ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽))))
3130imp 406 . . . . . . . . . 10 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) → (((𝑓𝐴) = (𝐹𝐴) ∨ {(𝑓𝐴), (𝐹𝐴)} ∈ 𝐽) ∧ ((𝑓𝐵) = (𝐹𝐴) ∨ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽)))
32 prcom 4676 . . . . . . . . . . . . . . . . . . . . 21 {(𝑓𝐴), (𝑓𝐵)} = {(𝑓𝐵), (𝑓𝐴)}
33 preq1 4677 . . . . . . . . . . . . . . . . . . . . 21 ((𝑓𝐵) = (𝐹𝐴) → {(𝑓𝐵), (𝑓𝐴)} = {(𝐹𝐴), (𝑓𝐴)})
3432, 33eqtrid 2783 . . . . . . . . . . . . . . . . . . . 20 ((𝑓𝐵) = (𝐹𝐴) → {(𝑓𝐴), (𝑓𝐵)} = {(𝐹𝐴), (𝑓𝐴)})
3534eleq1d 2821 . . . . . . . . . . . . . . . . . . 19 ((𝑓𝐵) = (𝐹𝐴) → ({(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿 ↔ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿))
3635biimpcd 249 . . . . . . . . . . . . . . . . . 18 ({(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿 → ((𝑓𝐵) = (𝐹𝐴) → {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿))
3736adantl 481 . . . . . . . . . . . . . . . . 17 ((𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿) → ((𝑓𝐵) = (𝐹𝐴) → {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿))
3837adantl 481 . . . . . . . . . . . . . . . 16 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) → ((𝑓𝐵) = (𝐹𝐴) → {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿))
3938ad2antrr 727 . . . . . . . . . . . . . . 15 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) → ((𝑓𝐵) = (𝐹𝐴) → {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿))
40 prcom 4676 . . . . . . . . . . . . . . . . . . . 20 {(𝑓𝐵), (𝐹𝐴)} = {(𝐹𝐴), (𝑓𝐵)}
4140eleq1i 2827 . . . . . . . . . . . . . . . . . . 19 ({(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽 ↔ {(𝐹𝐴), (𝑓𝐵)} ∈ 𝐽)
4241biimpi 216 . . . . . . . . . . . . . . . . . 18 ({(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽 → {(𝐹𝐴), (𝑓𝐵)} ∈ 𝐽)
4342adantl 481 . . . . . . . . . . . . . . . . 17 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → {(𝐹𝐴), (𝑓𝐵)} ∈ 𝐽)
4420ad2antrr 727 . . . . . . . . . . . . . . . . . . . . 21 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → 𝐻 ∈ UPGraph)
45 fvex 6853 . . . . . . . . . . . . . . . . . . . . . . 23 (𝐹𝐴) ∈ V
4615, 45pm3.2i 470 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑓𝐵) ∈ V ∧ (𝐹𝐴) ∈ V)
4746a1i 11 . . . . . . . . . . . . . . . . . . . . 21 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → ((𝑓𝐵) ∈ V ∧ (𝐹𝐴) ∈ V))
48 simpr 484 . . . . . . . . . . . . . . . . . . . . 21 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽)
4944, 47, 483jca 1129 . . . . . . . . . . . . . . . . . . . 20 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → (𝐻 ∈ UPGraph ∧ ((𝑓𝐵) ∈ V ∧ (𝐹𝐴) ∈ V) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽))
50 eqid 2736 . . . . . . . . . . . . . . . . . . . . 21 (Vtx‘𝐻) = (Vtx‘𝐻)
5150, 5upgrpredgv 29208 . . . . . . . . . . . . . . . . . . . 20 ((𝐻 ∈ UPGraph ∧ ((𝑓𝐵) ∈ V ∧ (𝐹𝐴) ∈ V) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → ((𝑓𝐵) ∈ (Vtx‘𝐻) ∧ (𝐹𝐴) ∈ (Vtx‘𝐻)))
52 simpr 484 . . . . . . . . . . . . . . . . . . . 20 (((𝑓𝐵) ∈ (Vtx‘𝐻) ∧ (𝐹𝐴) ∈ (Vtx‘𝐻)) → (𝐹𝐴) ∈ (Vtx‘𝐻))
5349, 51, 523syl 18 . . . . . . . . . . . . . . . . . . 19 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → (𝐹𝐴) ∈ (Vtx‘𝐻))
5450clnbgrvtxel 48305 . . . . . . . . . . . . . . . . . . . 20 ((𝐹𝐴) ∈ (Vtx‘𝐻) → (𝐹𝐴) ∈ (𝐻 ClNeighbVtx (𝐹𝐴)))
554eleq2i 2828 . . . . . . . . . . . . . . . . . . . 20 ((𝐹𝐴) ∈ 𝑀 ↔ (𝐹𝐴) ∈ (𝐻 ClNeighbVtx (𝐹𝐴)))
5654, 55sylibr 234 . . . . . . . . . . . . . . . . . . 19 ((𝐹𝐴) ∈ (Vtx‘𝐻) → (𝐹𝐴) ∈ 𝑀)
5753, 56syl 17 . . . . . . . . . . . . . . . . . 18 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → (𝐹𝐴) ∈ 𝑀)
58 simplrr 778 . . . . . . . . . . . . . . . . . 18 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → (𝑓𝐵) ∈ 𝑀)
5957, 58prssd 4765 . . . . . . . . . . . . . . . . 17 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → {(𝐹𝐴), (𝑓𝐵)} ⊆ 𝑀)
60 sseq1 3947 . . . . . . . . . . . . . . . . . 18 (𝑥 = {(𝐹𝐴), (𝑓𝐵)} → (𝑥𝑀 ↔ {(𝐹𝐴), (𝑓𝐵)} ⊆ 𝑀))
6160, 6elrab2 3637 . . . . . . . . . . . . . . . . 17 ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ↔ ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐽 ∧ {(𝐹𝐴), (𝑓𝐵)} ⊆ 𝑀))
6243, 59, 61sylanbrc 584 . . . . . . . . . . . . . . . 16 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → {(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿)
6362ex 412 . . . . . . . . . . . . . . 15 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) → ({(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽 → {(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿))
6439, 63orim12d 967 . . . . . . . . . . . . . 14 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) → (((𝑓𝐵) = (𝐹𝐴) ∨ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → ({(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿)))
6564imp 406 . . . . . . . . . . . . 13 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ ((𝑓𝐵) = (𝐹𝐴) ∨ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽)) → ({(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿))
6665orcomd 872 . . . . . . . . . . . 12 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) ∧ ((𝑓𝐵) = (𝐹𝐴) ∨ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽)) → ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿))
6766ex 412 . . . . . . . . . . 11 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) → (((𝑓𝐵) = (𝐹𝐴) ∨ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽) → ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿)))
6867adantld 490 . . . . . . . . . 10 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) → ((((𝑓𝐴) = (𝐹𝐴) ∨ {(𝑓𝐴), (𝐹𝐴)} ∈ 𝐽) ∧ ((𝑓𝐵) = (𝐹𝐴) ∨ {(𝑓𝐵), (𝐹𝐴)} ∈ 𝐽)) → ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿)))
6931, 68mpd 15 . . . . . . . . 9 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) ∧ ((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀)) → ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿))
7069ex 412 . . . . . . . 8 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) → (((𝑓𝐴) ∈ 𝑀 ∧ (𝑓𝐵) ∈ 𝑀) → ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿)))
7116, 70biimtrrid 243 . . . . . . 7 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽) → ({(𝑓𝐴), (𝑓𝐵)} ⊆ 𝑀 → ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿)))
7271expimpd 453 . . . . . 6 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) → (({(𝑓𝐴), (𝑓𝐵)} ∈ 𝐽 ∧ {(𝑓𝐴), (𝑓𝐵)} ⊆ 𝑀) → ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿)))
7313, 72mpd 15 . . . . 5 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) → ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿))
748, 73jca 511 . . . 4 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) ∧ (𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿)) → (𝑓:𝑁1-1-onto𝑀 ∧ ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿)))
7574ex 412 . . 3 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) → ((𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿) → (𝑓:𝑁1-1-onto𝑀 ∧ ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿))))
7675eximdv 1919 . 2 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) → (∃𝑓(𝑓:𝑁1-1-onto𝑀 ∧ {(𝑓𝐴), (𝑓𝐵)} ∈ 𝐿) → ∃𝑓(𝑓:𝑁1-1-onto𝑀 ∧ ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿))))
777, 76mpd 15 1 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻) ∧ (𝐴𝑉𝐵𝑊 ∧ {𝐴, 𝐵} ∈ 𝐼)) → ∃𝑓(𝑓:𝑁1-1-onto𝑀 ∧ ({(𝐹𝐴), (𝑓𝐵)} ∈ 𝐿 ∨ {(𝐹𝐴), (𝑓𝐴)} ∈ 𝐿)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  wo 848  w3a 1087   = wceq 1542  wex 1781  wcel 2114  {crab 3389  Vcvv 3429  wss 3889  {cpr 4569  1-1-ontowf1o 6497  cfv 6498  (class class class)co 7367  Vtxcvtx 29065  Edgcedg 29116  UPGraphcupgr 29149  USPGraphcuspgr 29217   ClNeighbVtx cclnbgr 48294   GraphLocIso cgrlim 48452
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2708  ax-sep 5231  ax-nul 5241  ax-pow 5307  ax-pr 5375  ax-un 7689  ax-cnex 11094  ax-resscn 11095  ax-1cn 11096  ax-icn 11097  ax-addcl 11098  ax-addrcl 11099  ax-mulcl 11100  ax-mulrcl 11101  ax-mulcom 11102  ax-addass 11103  ax-mulass 11104  ax-distr 11105  ax-i2m1 11106  ax-1ne0 11107  ax-1rid 11108  ax-rnegex 11109  ax-rrecex 11110  ax-cnre 11111  ax-pre-lttri 11112  ax-pre-lttrn 11113  ax-pre-ltadd 11114  ax-pre-mulgt0 11115
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-nel 3037  df-ral 3052  df-rex 3062  df-reu 3343  df-rab 3390  df-v 3431  df-sbc 3729  df-csb 3838  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-pss 3909  df-nul 4274  df-if 4467  df-pw 4543  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4851  df-int 4890  df-iun 4935  df-br 5086  df-opab 5148  df-mpt 5167  df-tr 5193  df-id 5526  df-eprel 5531  df-po 5539  df-so 5540  df-fr 5584  df-we 5586  df-xp 5637  df-rel 5638  df-cnv 5639  df-co 5640  df-dm 5641  df-rn 5642  df-res 5643  df-ima 5644  df-pred 6265  df-ord 6326  df-on 6327  df-lim 6328  df-suc 6329  df-iota 6454  df-fun 6500  df-fn 6501  df-f 6502  df-f1 6503  df-fo 6504  df-f1o 6505  df-fv 6506  df-riota 7324  df-ov 7370  df-oprab 7371  df-mpo 7372  df-om 7818  df-1st 7942  df-2nd 7943  df-frecs 8231  df-wrecs 8262  df-recs 8311  df-rdg 8349  df-1o 8405  df-2o 8406  df-oadd 8409  df-er 8643  df-map 8775  df-en 8894  df-dom 8895  df-sdom 8896  df-fin 8897  df-dju 9825  df-card 9863  df-pnf 11181  df-mnf 11182  df-xr 11183  df-ltxr 11184  df-le 11185  df-sub 11379  df-neg 11380  df-nn 12175  df-2 12244  df-n0 12438  df-xnn0 12511  df-z 12525  df-uz 12789  df-fz 13462  df-hash 14293  df-vtx 29067  df-iedg 29068  df-edg 29117  df-uhgr 29127  df-upgr 29151  df-uspgr 29219  df-nbgr 29402  df-clnbgr 48295  df-isubgr 48337  df-grim 48354  df-gric 48357  df-grlim 48454
This theorem is referenced by:  grlimgredgex  48476
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