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Theorem isuspgrimlem 48137
Description: Lemma for isuspgrim 48138. (Contributed by AV, 27-Apr-2025.)
Hypotheses
Ref Expression
isusgrim.v 𝑉 = (Vtx‘𝐺)
isusgrim.w 𝑊 = (Vtx‘𝐻)
isusgrim.e 𝐸 = (Edg‘𝐺)
isusgrim.d 𝐷 = (Edg‘𝐻)
Assertion
Ref Expression
isuspgrimlem ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → (𝑒𝐸 ↦ (𝐹𝑒)):𝐸1-1-onto𝐷)
Distinct variable groups:   𝑥,𝐸   𝑥,𝐹   𝐷,𝑒   𝑒,𝐸,𝑥   𝑒,𝐹   𝑒,𝐺   𝑒,𝐻   𝑒,𝑉   𝑒,𝑊   𝑥,𝐷,𝑦   𝑦,𝐸   𝑦,𝐹   𝑥,𝐺,𝑦,𝑒   𝑥,𝐻,𝑦   𝑥,𝑉,𝑦
Allowed substitution hints:   𝑊(𝑥,𝑦)

Proof of Theorem isuspgrimlem
Dummy variables 𝑑 𝑎 𝑏 𝑚 𝑛 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 uspgrupgr 29251 . . . . . . . . 9 (𝐺 ∈ USPGraph → 𝐺 ∈ UPGraph)
21adantr 480 . . . . . . . 8 ((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) → 𝐺 ∈ UPGraph)
32adantr 480 . . . . . . 7 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) → 𝐺 ∈ UPGraph)
43adantr 480 . . . . . 6 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → 𝐺 ∈ UPGraph)
5 isusgrim.v . . . . . . 7 𝑉 = (Vtx‘𝐺)
6 isusgrim.e . . . . . . 7 𝐸 = (Edg‘𝐺)
75, 6upgredg 29210 . . . . . 6 ((𝐺 ∈ UPGraph ∧ 𝑒𝐸) → ∃𝑎𝑉𝑏𝑉 𝑒 = {𝑎, 𝑏})
84, 7sylan 580 . . . . 5 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑒𝐸) → ∃𝑎𝑉𝑏𝑉 𝑒 = {𝑎, 𝑏})
9 preq12 4692 . . . . . . . . . . . . . . . . . . . 20 ((𝑥 = 𝑎𝑦 = 𝑏) → {𝑥, 𝑦} = {𝑎, 𝑏})
109eleq1d 2821 . . . . . . . . . . . . . . . . . . 19 ((𝑥 = 𝑎𝑦 = 𝑏) → ({𝑥, 𝑦} ∈ 𝐸 ↔ {𝑎, 𝑏} ∈ 𝐸))
11 fveq2 6834 . . . . . . . . . . . . . . . . . . . . . 22 (𝑥 = 𝑎 → (𝐹𝑥) = (𝐹𝑎))
1211adantr 480 . . . . . . . . . . . . . . . . . . . . 21 ((𝑥 = 𝑎𝑦 = 𝑏) → (𝐹𝑥) = (𝐹𝑎))
13 fveq2 6834 . . . . . . . . . . . . . . . . . . . . . 22 (𝑦 = 𝑏 → (𝐹𝑦) = (𝐹𝑏))
1413adantl 481 . . . . . . . . . . . . . . . . . . . . 21 ((𝑥 = 𝑎𝑦 = 𝑏) → (𝐹𝑦) = (𝐹𝑏))
1512, 14preq12d 4698 . . . . . . . . . . . . . . . . . . . 20 ((𝑥 = 𝑎𝑦 = 𝑏) → {(𝐹𝑥), (𝐹𝑦)} = {(𝐹𝑎), (𝐹𝑏)})
1615eleq1d 2821 . . . . . . . . . . . . . . . . . . 19 ((𝑥 = 𝑎𝑦 = 𝑏) → ({(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷 ↔ {(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷))
1710, 16bibi12d 345 . . . . . . . . . . . . . . . . . 18 ((𝑥 = 𝑎𝑦 = 𝑏) → (({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) ↔ ({𝑎, 𝑏} ∈ 𝐸 ↔ {(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷)))
1817rspc2gv 3586 . . . . . . . . . . . . . . . . 17 ((𝑎𝑉𝑏𝑉) → (∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) → ({𝑎, 𝑏} ∈ 𝐸 ↔ {(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷)))
1918com12 32 . . . . . . . . . . . . . . . 16 (∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) → ((𝑎𝑉𝑏𝑉) → ({𝑎, 𝑏} ∈ 𝐸 ↔ {(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷)))
2019adantl 481 . . . . . . . . . . . . . . 15 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ((𝑎𝑉𝑏𝑉) → ({𝑎, 𝑏} ∈ 𝐸 ↔ {(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷)))
2120imp 406 . . . . . . . . . . . . . 14 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → ({𝑎, 𝑏} ∈ 𝐸 ↔ {(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷))
22 f1ofn 6775 . . . . . . . . . . . . . . . . . 18 (𝐹:𝑉1-1-onto𝑊𝐹 Fn 𝑉)
2322ad3antlr 731 . . . . . . . . . . . . . . . . 17 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → 𝐹 Fn 𝑉)
24 simprl 770 . . . . . . . . . . . . . . . . 17 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → 𝑎𝑉)
25 simpr 484 . . . . . . . . . . . . . . . . . 18 ((𝑎𝑉𝑏𝑉) → 𝑏𝑉)
2625adantl 481 . . . . . . . . . . . . . . . . 17 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → 𝑏𝑉)
27 fnimapr 6917 . . . . . . . . . . . . . . . . 17 ((𝐹 Fn 𝑉𝑎𝑉𝑏𝑉) → (𝐹 “ {𝑎, 𝑏}) = {(𝐹𝑎), (𝐹𝑏)})
2823, 24, 26, 27syl3anc 1373 . . . . . . . . . . . . . . . 16 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → (𝐹 “ {𝑎, 𝑏}) = {(𝐹𝑎), (𝐹𝑏)})
2928eqcomd 2742 . . . . . . . . . . . . . . 15 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → {(𝐹𝑎), (𝐹𝑏)} = (𝐹 “ {𝑎, 𝑏}))
3029eleq1d 2821 . . . . . . . . . . . . . 14 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → ({(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷 ↔ (𝐹 “ {𝑎, 𝑏}) ∈ 𝐷))
3121, 30bitrd 279 . . . . . . . . . . . . 13 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → ({𝑎, 𝑏} ∈ 𝐸 ↔ (𝐹 “ {𝑎, 𝑏}) ∈ 𝐷))
3231adantr 480 . . . . . . . . . . . 12 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) ∧ 𝑒 = {𝑎, 𝑏}) → ({𝑎, 𝑏} ∈ 𝐸 ↔ (𝐹 “ {𝑎, 𝑏}) ∈ 𝐷))
3332biimpd 229 . . . . . . . . . . 11 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) ∧ 𝑒 = {𝑎, 𝑏}) → ({𝑎, 𝑏} ∈ 𝐸 → (𝐹 “ {𝑎, 𝑏}) ∈ 𝐷))
34 eleq1 2824 . . . . . . . . . . . . 13 (𝑒 = {𝑎, 𝑏} → (𝑒𝐸 ↔ {𝑎, 𝑏} ∈ 𝐸))
35 imaeq2 6015 . . . . . . . . . . . . . 14 (𝑒 = {𝑎, 𝑏} → (𝐹𝑒) = (𝐹 “ {𝑎, 𝑏}))
3635eleq1d 2821 . . . . . . . . . . . . 13 (𝑒 = {𝑎, 𝑏} → ((𝐹𝑒) ∈ 𝐷 ↔ (𝐹 “ {𝑎, 𝑏}) ∈ 𝐷))
3734, 36imbi12d 344 . . . . . . . . . . . 12 (𝑒 = {𝑎, 𝑏} → ((𝑒𝐸 → (𝐹𝑒) ∈ 𝐷) ↔ ({𝑎, 𝑏} ∈ 𝐸 → (𝐹 “ {𝑎, 𝑏}) ∈ 𝐷)))
3837adantl 481 . . . . . . . . . . 11 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) ∧ 𝑒 = {𝑎, 𝑏}) → ((𝑒𝐸 → (𝐹𝑒) ∈ 𝐷) ↔ ({𝑎, 𝑏} ∈ 𝐸 → (𝐹 “ {𝑎, 𝑏}) ∈ 𝐷)))
3933, 38mpbird 257 . . . . . . . . . 10 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) ∧ 𝑒 = {𝑎, 𝑏}) → (𝑒𝐸 → (𝐹𝑒) ∈ 𝐷))
4039exp31 419 . . . . . . . . 9 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ((𝑎𝑉𝑏𝑉) → (𝑒 = {𝑎, 𝑏} → (𝑒𝐸 → (𝐹𝑒) ∈ 𝐷))))
4140com23 86 . . . . . . . 8 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → (𝑒 = {𝑎, 𝑏} → ((𝑎𝑉𝑏𝑉) → (𝑒𝐸 → (𝐹𝑒) ∈ 𝐷))))
4241com24 95 . . . . . . 7 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → (𝑒𝐸 → ((𝑎𝑉𝑏𝑉) → (𝑒 = {𝑎, 𝑏} → (𝐹𝑒) ∈ 𝐷))))
4342imp 406 . . . . . 6 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑒𝐸) → ((𝑎𝑉𝑏𝑉) → (𝑒 = {𝑎, 𝑏} → (𝐹𝑒) ∈ 𝐷)))
4443rexlimdvv 3192 . . . . 5 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑒𝐸) → (∃𝑎𝑉𝑏𝑉 𝑒 = {𝑎, 𝑏} → (𝐹𝑒) ∈ 𝐷))
458, 44mpd 15 . . . 4 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑒𝐸) → (𝐹𝑒) ∈ 𝐷)
4645ex 412 . . 3 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → (𝑒𝐸 → (𝐹𝑒) ∈ 𝐷))
4746ralrimiv 3127 . 2 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ∀𝑒𝐸 (𝐹𝑒) ∈ 𝐷)
48 uspgrupgr 29251 . . . . . 6 (𝐻 ∈ USPGraph → 𝐻 ∈ UPGraph)
4948ad3antlr 731 . . . . 5 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → 𝐻 ∈ UPGraph)
50 isusgrim.w . . . . . 6 𝑊 = (Vtx‘𝐻)
51 isusgrim.d . . . . . 6 𝐷 = (Edg‘𝐻)
5250, 51upgredg 29210 . . . . 5 ((𝐻 ∈ UPGraph ∧ 𝑑𝐷) → ∃𝑎𝑊𝑏𝑊 𝑑 = {𝑎, 𝑏})
5349, 52sylan 580 . . . 4 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑑𝐷) → ∃𝑎𝑊𝑏𝑊 𝑑 = {𝑎, 𝑏})
54 f1ofo 6781 . . . . . . . . . . . 12 (𝐹:𝑉1-1-onto𝑊𝐹:𝑉onto𝑊)
55 foelrn 7052 . . . . . . . . . . . . . 14 ((𝐹:𝑉onto𝑊𝑎𝑊) → ∃𝑚𝑉 𝑎 = (𝐹𝑚))
5655ex 412 . . . . . . . . . . . . 13 (𝐹:𝑉onto𝑊 → (𝑎𝑊 → ∃𝑚𝑉 𝑎 = (𝐹𝑚)))
57 foelrn 7052 . . . . . . . . . . . . . 14 ((𝐹:𝑉onto𝑊𝑏𝑊) → ∃𝑛𝑉 𝑏 = (𝐹𝑛))
5857ex 412 . . . . . . . . . . . . 13 (𝐹:𝑉onto𝑊 → (𝑏𝑊 → ∃𝑛𝑉 𝑏 = (𝐹𝑛)))
5956, 58anim12d 609 . . . . . . . . . . . 12 (𝐹:𝑉onto𝑊 → ((𝑎𝑊𝑏𝑊) → (∃𝑚𝑉 𝑎 = (𝐹𝑚) ∧ ∃𝑛𝑉 𝑏 = (𝐹𝑛))))
6054, 59syl 17 . . . . . . . . . . 11 (𝐹:𝑉1-1-onto𝑊 → ((𝑎𝑊𝑏𝑊) → (∃𝑚𝑉 𝑎 = (𝐹𝑚) ∧ ∃𝑛𝑉 𝑏 = (𝐹𝑛))))
6160adantl 481 . . . . . . . . . 10 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) → ((𝑎𝑊𝑏𝑊) → (∃𝑚𝑉 𝑎 = (𝐹𝑚) ∧ ∃𝑛𝑉 𝑏 = (𝐹𝑛))))
6261adantr 480 . . . . . . . . 9 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ((𝑎𝑊𝑏𝑊) → (∃𝑚𝑉 𝑎 = (𝐹𝑚) ∧ ∃𝑛𝑉 𝑏 = (𝐹𝑛))))
6362imp 406 . . . . . . . 8 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) → (∃𝑚𝑉 𝑎 = (𝐹𝑚) ∧ ∃𝑛𝑉 𝑏 = (𝐹𝑛)))
64 preq12 4692 . . . . . . . . . . . . . . . . 17 ((𝑎 = (𝐹𝑚) ∧ 𝑏 = (𝐹𝑛)) → {𝑎, 𝑏} = {(𝐹𝑚), (𝐹𝑛)})
6564eqeq2d 2747 . . . . . . . . . . . . . . . 16 ((𝑎 = (𝐹𝑚) ∧ 𝑏 = (𝐹𝑛)) → (𝑑 = {𝑎, 𝑏} ↔ 𝑑 = {(𝐹𝑚), (𝐹𝑛)}))
6665ancoms 458 . . . . . . . . . . . . . . 15 ((𝑏 = (𝐹𝑛) ∧ 𝑎 = (𝐹𝑚)) → (𝑑 = {𝑎, 𝑏} ↔ 𝑑 = {(𝐹𝑚), (𝐹𝑛)}))
6766adantl 481 . . . . . . . . . . . . . 14 ((((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) ∧ 𝑚𝑉) ∧ 𝑛𝑉) ∧ (𝑏 = (𝐹𝑛) ∧ 𝑎 = (𝐹𝑚))) → (𝑑 = {𝑎, 𝑏} ↔ 𝑑 = {(𝐹𝑚), (𝐹𝑛)}))
68 preq12 4692 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑥 = 𝑚𝑦 = 𝑛) → {𝑥, 𝑦} = {𝑚, 𝑛})
6968eleq1d 2821 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑥 = 𝑚𝑦 = 𝑛) → ({𝑥, 𝑦} ∈ 𝐸 ↔ {𝑚, 𝑛} ∈ 𝐸))
70 fveq2 6834 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑥 = 𝑚 → (𝐹𝑥) = (𝐹𝑚))
7170adantr 480 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑥 = 𝑚𝑦 = 𝑛) → (𝐹𝑥) = (𝐹𝑚))
72 fveq2 6834 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑦 = 𝑛 → (𝐹𝑦) = (𝐹𝑛))
7372adantl 481 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑥 = 𝑚𝑦 = 𝑛) → (𝐹𝑦) = (𝐹𝑛))
7471, 73preq12d 4698 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑥 = 𝑚𝑦 = 𝑛) → {(𝐹𝑥), (𝐹𝑦)} = {(𝐹𝑚), (𝐹𝑛)})
7574eleq1d 2821 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑥 = 𝑚𝑦 = 𝑛) → ({(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷))
7669, 75bibi12d 345 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑥 = 𝑚𝑦 = 𝑛) → (({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) ↔ ({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷)))
7776rspc2gv 3586 . . . . . . . . . . . . . . . . . . . . 21 ((𝑚𝑉𝑛𝑉) → (∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) → ({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷)))
7877adantl 481 . . . . . . . . . . . . . . . . . . . 20 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) → ({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷)))
7922adantl 481 . . . . . . . . . . . . . . . . . . . . . . . . 25 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) → 𝐹 Fn 𝑉)
8079anim1i 615 . . . . . . . . . . . . . . . . . . . . . . . 24 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (𝐹 Fn 𝑉 ∧ (𝑚𝑉𝑛𝑉)))
81 3anass 1094 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝐹 Fn 𝑉𝑚𝑉𝑛𝑉) ↔ (𝐹 Fn 𝑉 ∧ (𝑚𝑉𝑛𝑉)))
8280, 81sylibr 234 . . . . . . . . . . . . . . . . . . . . . . 23 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (𝐹 Fn 𝑉𝑚𝑉𝑛𝑉))
83 fnimapr 6917 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝐹 Fn 𝑉𝑚𝑉𝑛𝑉) → (𝐹 “ {𝑚, 𝑛}) = {(𝐹𝑚), (𝐹𝑛)})
8482, 83syl 17 . . . . . . . . . . . . . . . . . . . . . 22 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (𝐹 “ {𝑚, 𝑛}) = {(𝐹𝑚), (𝐹𝑛)})
8584eqcomd 2742 . . . . . . . . . . . . . . . . . . . . 21 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → {(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}))
86 simpr 484 . . . . . . . . . . . . . . . . . . . . . . . 24 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ ({𝑚, 𝑛} ∈ 𝐸 ↔ (𝐹 “ {𝑚, 𝑛}) ∈ 𝐷)) → ({𝑚, 𝑛} ∈ 𝐸 ↔ (𝐹 “ {𝑚, 𝑛}) ∈ 𝐷))
87 simpr 484 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) → {𝑚, 𝑛} ∈ 𝐸)
88 reueq 3695 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ({𝑚, 𝑛} ∈ 𝐸 ↔ ∃!𝑒𝐸 𝑒 = {𝑚, 𝑛})
8987, 88sylib 218 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) → ∃!𝑒𝐸 𝑒 = {𝑚, 𝑛})
90 eqcom 2743 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ({𝑚, 𝑛} = 𝑒𝑒 = {𝑚, 𝑛})
9190reubii 3359 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (∃!𝑒𝐸 {𝑚, 𝑛} = 𝑒 ↔ ∃!𝑒𝐸 𝑒 = {𝑚, 𝑛})
9289, 91sylibr 234 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) → ∃!𝑒𝐸 {𝑚, 𝑛} = 𝑒)
93 f1of1 6773 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (𝐹:𝑉1-1-onto𝑊𝐹:𝑉1-1𝑊)
9493adantl 481 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) → 𝐹:𝑉1-1𝑊)
9594ad3antrrr 730 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) ∧ 𝑒𝐸) → 𝐹:𝑉1-1𝑊)
96 prssi 4777 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((𝑚𝑉𝑛𝑉) → {𝑚, 𝑛} ⊆ 𝑉)
9796ad3antlr 731 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) ∧ 𝑒𝐸) → {𝑚, 𝑛} ⊆ 𝑉)
98 uspgruhgr 29257 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 (𝐺 ∈ USPGraph → 𝐺 ∈ UHGraph)
9998adantr 480 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) → 𝐺 ∈ UHGraph)
10099ad3antrrr 730 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) → 𝐺 ∈ UHGraph)
1016eleq2i 2828 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 (𝑒𝐸𝑒 ∈ (Edg‘𝐺))
102101biimpi 216 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (𝑒𝐸𝑒 ∈ (Edg‘𝐺))
103 edguhgr 29202 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((𝐺 ∈ UHGraph ∧ 𝑒 ∈ (Edg‘𝐺)) → 𝑒 ∈ 𝒫 (Vtx‘𝐺))
1045pweqi 4570 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 𝒫 𝑉 = 𝒫 (Vtx‘𝐺)
105103, 104eleqtrrdi 2847 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ((𝐺 ∈ UHGraph ∧ 𝑒 ∈ (Edg‘𝐺)) → 𝑒 ∈ 𝒫 𝑉)
106100, 102, 105syl2an 596 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) ∧ 𝑒𝐸) → 𝑒 ∈ 𝒫 𝑉)
107106elpwid 4563 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) ∧ 𝑒𝐸) → 𝑒𝑉)
108 f1imaeq 7211 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((𝐹:𝑉1-1𝑊 ∧ ({𝑚, 𝑛} ⊆ 𝑉𝑒𝑉)) → ((𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒) ↔ {𝑚, 𝑛} = 𝑒))
10995, 97, 107, 108syl12anc 836 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) ∧ 𝑒𝐸) → ((𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒) ↔ {𝑚, 𝑛} = 𝑒))
110109reubidva 3364 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) → (∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒) ↔ ∃!𝑒𝐸 {𝑚, 𝑛} = 𝑒))
11192, 110mpbird 257 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) → ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒))
112111ex 412 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → ({𝑚, 𝑛} ∈ 𝐸 → ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒)))
113112adantr 480 . . . . . . . . . . . . . . . . . . . . . . . 24 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ ({𝑚, 𝑛} ∈ 𝐸 ↔ (𝐹 “ {𝑚, 𝑛}) ∈ 𝐷)) → ({𝑚, 𝑛} ∈ 𝐸 → ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒)))
11486, 113sylbird 260 . . . . . . . . . . . . . . . . . . . . . . 23 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ ({𝑚, 𝑛} ∈ 𝐸 ↔ (𝐹 “ {𝑚, 𝑛}) ∈ 𝐷)) → ((𝐹 “ {𝑚, 𝑛}) ∈ 𝐷 → ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒)))
115114ex 412 . . . . . . . . . . . . . . . . . . . . . 22 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (({𝑚, 𝑛} ∈ 𝐸 ↔ (𝐹 “ {𝑚, 𝑛}) ∈ 𝐷) → ((𝐹 “ {𝑚, 𝑛}) ∈ 𝐷 → ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒))))
116 eleq1 2824 . . . . . . . . . . . . . . . . . . . . . . . 24 ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 ↔ (𝐹 “ {𝑚, 𝑛}) ∈ 𝐷))
117116bibi2d 342 . . . . . . . . . . . . . . . . . . . . . . 23 ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → (({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷) ↔ ({𝑚, 𝑛} ∈ 𝐸 ↔ (𝐹 “ {𝑚, 𝑛}) ∈ 𝐷)))
118 eqeq1 2740 . . . . . . . . . . . . . . . . . . . . . . . . 25 ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → ({(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒) ↔ (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒)))
119118reubidv 3366 . . . . . . . . . . . . . . . . . . . . . . . 24 ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → (∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒) ↔ ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒)))
120116, 119imbi12d 344 . . . . . . . . . . . . . . . . . . . . . . 23 ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → (({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒)) ↔ ((𝐹 “ {𝑚, 𝑛}) ∈ 𝐷 → ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒))))
121117, 120imbi12d 344 . . . . . . . . . . . . . . . . . . . . . 22 ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → ((({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒))) ↔ (({𝑚, 𝑛} ∈ 𝐸 ↔ (𝐹 “ {𝑚, 𝑛}) ∈ 𝐷) → ((𝐹 “ {𝑚, 𝑛}) ∈ 𝐷 → ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒)))))
122115, 121syl5ibrcom 247 . . . . . . . . . . . . . . . . . . . . 21 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → (({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒)))))
12385, 122mpd 15 . . . . . . . . . . . . . . . . . . . 20 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒))))
12478, 123syld 47 . . . . . . . . . . . . . . . . . . 19 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒))))
125124impancom 451 . . . . . . . . . . . . . . . . . 18 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ((𝑚𝑉𝑛𝑉) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒))))
126125adantr 480 . . . . . . . . . . . . . . . . 17 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) → ((𝑚𝑉𝑛𝑉) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒))))
127126impl 455 . . . . . . . . . . . . . . . 16 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) ∧ 𝑚𝑉) ∧ 𝑛𝑉) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒)))
128 eleq1 2824 . . . . . . . . . . . . . . . . 17 (𝑑 = {(𝐹𝑚), (𝐹𝑛)} → (𝑑𝐷 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷))
129 eqeq1 2740 . . . . . . . . . . . . . . . . . 18 (𝑑 = {(𝐹𝑚), (𝐹𝑛)} → (𝑑 = (𝐹𝑒) ↔ {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒)))
130129reubidv 3366 . . . . . . . . . . . . . . . . 17 (𝑑 = {(𝐹𝑚), (𝐹𝑛)} → (∃!𝑒𝐸 𝑑 = (𝐹𝑒) ↔ ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒)))
131128, 130imbi12d 344 . . . . . . . . . . . . . . . 16 (𝑑 = {(𝐹𝑚), (𝐹𝑛)} → ((𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒)) ↔ ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒))))
132127, 131syl5ibrcom 247 . . . . . . . . . . . . . . 15 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) ∧ 𝑚𝑉) ∧ 𝑛𝑉) → (𝑑 = {(𝐹𝑚), (𝐹𝑛)} → (𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))
133132adantr 480 . . . . . . . . . . . . . 14 ((((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) ∧ 𝑚𝑉) ∧ 𝑛𝑉) ∧ (𝑏 = (𝐹𝑛) ∧ 𝑎 = (𝐹𝑚))) → (𝑑 = {(𝐹𝑚), (𝐹𝑛)} → (𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))
13467, 133sylbid 240 . . . . . . . . . . . . 13 ((((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) ∧ 𝑚𝑉) ∧ 𝑛𝑉) ∧ (𝑏 = (𝐹𝑛) ∧ 𝑎 = (𝐹𝑚))) → (𝑑 = {𝑎, 𝑏} → (𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))
135134exp32 420 . . . . . . . . . . . 12 (((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) ∧ 𝑚𝑉) ∧ 𝑛𝑉) → (𝑏 = (𝐹𝑛) → (𝑎 = (𝐹𝑚) → (𝑑 = {𝑎, 𝑏} → (𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))))
136135rexlimdva 3137 . . . . . . . . . . 11 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) ∧ 𝑚𝑉) → (∃𝑛𝑉 𝑏 = (𝐹𝑛) → (𝑎 = (𝐹𝑚) → (𝑑 = {𝑎, 𝑏} → (𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))))
137136com23 86 . . . . . . . . . 10 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) ∧ 𝑚𝑉) → (𝑎 = (𝐹𝑚) → (∃𝑛𝑉 𝑏 = (𝐹𝑛) → (𝑑 = {𝑎, 𝑏} → (𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))))
138137rexlimdva 3137 . . . . . . . . 9 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) → (∃𝑚𝑉 𝑎 = (𝐹𝑚) → (∃𝑛𝑉 𝑏 = (𝐹𝑛) → (𝑑 = {𝑎, 𝑏} → (𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))))
139138impd 410 . . . . . . . 8 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) → ((∃𝑚𝑉 𝑎 = (𝐹𝑚) ∧ ∃𝑛𝑉 𝑏 = (𝐹𝑛)) → (𝑑 = {𝑎, 𝑏} → (𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒)))))
14063, 139mpd 15 . . . . . . 7 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) → (𝑑 = {𝑎, 𝑏} → (𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))
141140com23 86 . . . . . 6 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) → (𝑑𝐷 → (𝑑 = {𝑎, 𝑏} → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))
142141impancom 451 . . . . 5 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑑𝐷) → ((𝑎𝑊𝑏𝑊) → (𝑑 = {𝑎, 𝑏} → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))
143142rexlimdvv 3192 . . . 4 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑑𝐷) → (∃𝑎𝑊𝑏𝑊 𝑑 = {𝑎, 𝑏} → ∃!𝑒𝐸 𝑑 = (𝐹𝑒)))
14453, 143mpd 15 . . 3 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑑𝐷) → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))
145144ralrimiva 3128 . 2 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ∀𝑑𝐷 ∃!𝑒𝐸 𝑑 = (𝐹𝑒))
146 eqid 2736 . . 3 (𝑒𝐸 ↦ (𝐹𝑒)) = (𝑒𝐸 ↦ (𝐹𝑒))
147146f1ompt 7056 . 2 ((𝑒𝐸 ↦ (𝐹𝑒)):𝐸1-1-onto𝐷 ↔ (∀𝑒𝐸 (𝐹𝑒) ∈ 𝐷 ∧ ∀𝑑𝐷 ∃!𝑒𝐸 𝑑 = (𝐹𝑒)))
14847, 145, 147sylanbrc 583 1 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → (𝑒𝐸 ↦ (𝐹𝑒)):𝐸1-1-onto𝐷)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395  w3a 1086   = wceq 1541  wcel 2113  wral 3051  wrex 3060  ∃!wreu 3348  wss 3901  𝒫 cpw 4554  {cpr 4582  cmpt 5179  cima 5627   Fn wfn 6487  1-1wf1 6489  ontowfo 6490  1-1-ontowf1o 6491  cfv 6492  Vtxcvtx 29069  Edgcedg 29120  UHGraphcuhgr 29129  UPGraphcupgr 29153  USPGraphcuspgr 29221
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 2115  ax-9 2123  ax-10 2146  ax-11 2162  ax-12 2184  ax-ext 2708  ax-sep 5241  ax-nul 5251  ax-pow 5310  ax-pr 5377  ax-un 7680  ax-cnex 11082  ax-resscn 11083  ax-1cn 11084  ax-icn 11085  ax-addcl 11086  ax-addrcl 11087  ax-mulcl 11088  ax-mulrcl 11089  ax-mulcom 11090  ax-addass 11091  ax-mulass 11092  ax-distr 11093  ax-i2m1 11094  ax-1ne0 11095  ax-1rid 11096  ax-rnegex 11097  ax-rrecex 11098  ax-cnre 11099  ax-pre-lttri 11100  ax-pre-lttrn 11101  ax-pre-ltadd 11102  ax-pre-mulgt0 11103
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  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 3061  df-rmo 3350  df-reu 3351  df-rab 3400  df-v 3442  df-sbc 3741  df-csb 3850  df-dif 3904  df-un 3906  df-in 3908  df-ss 3918  df-pss 3921  df-nul 4286  df-if 4480  df-pw 4556  df-sn 4581  df-pr 4583  df-op 4587  df-uni 4864  df-int 4903  df-iun 4948  df-br 5099  df-opab 5161  df-mpt 5180  df-tr 5206  df-id 5519  df-eprel 5524  df-po 5532  df-so 5533  df-fr 5577  df-we 5579  df-xp 5630  df-rel 5631  df-cnv 5632  df-co 5633  df-dm 5634  df-rn 5635  df-res 5636  df-ima 5637  df-pred 6259  df-ord 6320  df-on 6321  df-lim 6322  df-suc 6323  df-iota 6448  df-fun 6494  df-fn 6495  df-f 6496  df-f1 6497  df-fo 6498  df-f1o 6499  df-fv 6500  df-riota 7315  df-ov 7361  df-oprab 7362  df-mpo 7363  df-om 7809  df-1st 7933  df-2nd 7934  df-frecs 8223  df-wrecs 8254  df-recs 8303  df-rdg 8341  df-1o 8397  df-2o 8398  df-oadd 8401  df-er 8635  df-en 8884  df-dom 8885  df-sdom 8886  df-fin 8887  df-dju 9813  df-card 9851  df-pnf 11168  df-mnf 11169  df-xr 11170  df-ltxr 11171  df-le 11172  df-sub 11366  df-neg 11367  df-nn 12146  df-2 12208  df-n0 12402  df-xnn0 12475  df-z 12489  df-uz 12752  df-fz 13424  df-hash 14254  df-edg 29121  df-uhgr 29131  df-upgr 29155  df-uspgr 29223
This theorem is referenced by:  isuspgrim  48138
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