Users' Mathboxes Mathbox for Alexander van der Vekens < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  isuspgrimlem Structured version   Visualization version   GIF version

Theorem isuspgrimlem 48515
Description: Lemma for isuspgrim 48516. (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 29437 . . . . . . . . 9 (𝐺 ∈ USPGraph → 𝐺 ∈ UPGraph)
21adantr 485 . . . . . . . 8 ((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) → 𝐺 ∈ UPGraph)
32adantr 485 . . . . . . 7 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) → 𝐺 ∈ UPGraph)
43adantr 485 . . . . . 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 29396 . . . . . 6 ((𝐺 ∈ UPGraph ∧ 𝑒𝐸) → ∃𝑎𝑉𝑏𝑉 𝑒 = {𝑎, 𝑏})
84, 7sylan 591 . . . . 5 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑒𝐸) → ∃𝑎𝑉𝑏𝑉 𝑒 = {𝑎, 𝑏})
9 preq12 4697 . . . . . . . . . . . . . . . . . . . 20 ((𝑥 = 𝑎𝑦 = 𝑏) → {𝑥, 𝑦} = {𝑎, 𝑏})
109eleq1d 2850 . . . . . . . . . . . . . . . . . . 19 ((𝑥 = 𝑎𝑦 = 𝑏) → ({𝑥, 𝑦} ∈ 𝐸 ↔ {𝑎, 𝑏} ∈ 𝐸))
11 fveq2 6871 . . . . . . . . . . . . . . . . . . . . . 22 (𝑥 = 𝑎 → (𝐹𝑥) = (𝐹𝑎))
1211adantr 485 . . . . . . . . . . . . . . . . . . . . 21 ((𝑥 = 𝑎𝑦 = 𝑏) → (𝐹𝑥) = (𝐹𝑎))
13 fveq2 6871 . . . . . . . . . . . . . . . . . . . . . 22 (𝑦 = 𝑏 → (𝐹𝑦) = (𝐹𝑏))
1413adantl 486 . . . . . . . . . . . . . . . . . . . . 21 ((𝑥 = 𝑎𝑦 = 𝑏) → (𝐹𝑦) = (𝐹𝑏))
1512, 14preq12d 4703 . . . . . . . . . . . . . . . . . . . 20 ((𝑥 = 𝑎𝑦 = 𝑏) → {(𝐹𝑥), (𝐹𝑦)} = {(𝐹𝑎), (𝐹𝑏)})
1615eleq1d 2850 . . . . . . . . . . . . . . . . . . 19 ((𝑥 = 𝑎𝑦 = 𝑏) → ({(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷 ↔ {(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷))
1710, 16bibi12d 348 . . . . . . . . . . . . . . . . . 18 ((𝑥 = 𝑎𝑦 = 𝑏) → (({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) ↔ ({𝑎, 𝑏} ∈ 𝐸 ↔ {(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷)))
1817rspc2gv 3594 . . . . . . . . . . . . . . . . 17 ((𝑎𝑉𝑏𝑉) → (∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) → ({𝑎, 𝑏} ∈ 𝐸 ↔ {(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷)))
1918com12 33 . . . . . . . . . . . . . . . 16 (∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) → ((𝑎𝑉𝑏𝑉) → ({𝑎, 𝑏} ∈ 𝐸 ↔ {(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷)))
2019adantl 486 . . . . . . . . . . . . . . 15 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ((𝑎𝑉𝑏𝑉) → ({𝑎, 𝑏} ∈ 𝐸 ↔ {(𝐹𝑎), (𝐹𝑏)} ∈ 𝐷)))
2120imp 411 . . . . . . . . . . . . . 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 6811 . . . . . . . . . . . . . . . . . 18 (𝐹:𝑉1-1-onto𝑊𝐹 Fn 𝑉)
2322ad3antlr 743 . . . . . . . . . . . . . . . . 17 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → 𝐹 Fn 𝑉)
24 simprl 782 . . . . . . . . . . . . . . . . 17 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → 𝑎𝑉)
25 simpr 489 . . . . . . . . . . . . . . . . . 18 ((𝑎𝑉𝑏𝑉) → 𝑏𝑉)
2625adantl 486 . . . . . . . . . . . . . . . . 17 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → 𝑏𝑉)
27 fnimapr 6954 . . . . . . . . . . . . . . . . 17 ((𝐹 Fn 𝑉𝑎𝑉𝑏𝑉) → (𝐹 “ {𝑎, 𝑏}) = {(𝐹𝑎), (𝐹𝑏)})
2823, 24, 26, 27syl3anc 1394 . . . . . . . . . . . . . . . 16 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → (𝐹 “ {𝑎, 𝑏}) = {(𝐹𝑎), (𝐹𝑏)})
2928eqcomd 2771 . . . . . . . . . . . . . . 15 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) → {(𝐹𝑎), (𝐹𝑏)} = (𝐹 “ {𝑎, 𝑏}))
3029eleq1d 2850 . . . . . . . . . . . . . 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 282 . . . . . . . . . . . . 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 485 . . . . . . . . . . . 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 232 . . . . . . . . . . 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 2853 . . . . . . . . . . . . 13 (𝑒 = {𝑎, 𝑏} → (𝑒𝐸 ↔ {𝑎, 𝑏} ∈ 𝐸))
35 imaeq2 6049 . . . . . . . . . . . . . 14 (𝑒 = {𝑎, 𝑏} → (𝐹𝑒) = (𝐹 “ {𝑎, 𝑏}))
3635eleq1d 2850 . . . . . . . . . . . . 13 (𝑒 = {𝑎, 𝑏} → ((𝐹𝑒) ∈ 𝐷 ↔ (𝐹 “ {𝑎, 𝑏}) ∈ 𝐷))
3734, 36imbi12d 347 . . . . . . . . . . . 12 (𝑒 = {𝑎, 𝑏} → ((𝑒𝐸 → (𝐹𝑒) ∈ 𝐷) ↔ ({𝑎, 𝑏} ∈ 𝐸 → (𝐹 “ {𝑎, 𝑏}) ∈ 𝐷)))
3837adantl 486 . . . . . . . . . . 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 260 . . . . . . . . . 10 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑉𝑏𝑉)) ∧ 𝑒 = {𝑎, 𝑏}) → (𝑒𝐸 → (𝐹𝑒) ∈ 𝐷))
4039exp31 424 . . . . . . . . 9 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ((𝑎𝑉𝑏𝑉) → (𝑒 = {𝑎, 𝑏} → (𝑒𝐸 → (𝐹𝑒) ∈ 𝐷))))
4140com23 87 . . . . . . . 8 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → (𝑒 = {𝑎, 𝑏} → ((𝑎𝑉𝑏𝑉) → (𝑒𝐸 → (𝐹𝑒) ∈ 𝐷))))
4241com24 96 . . . . . . 7 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → (𝑒𝐸 → ((𝑎𝑉𝑏𝑉) → (𝑒 = {𝑎, 𝑏} → (𝐹𝑒) ∈ 𝐷))))
4342imp 411 . . . . . 6 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑒𝐸) → ((𝑎𝑉𝑏𝑉) → (𝑒 = {𝑎, 𝑏} → (𝐹𝑒) ∈ 𝐷)))
4443rexlimdvv 3221 . . . . 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 16 . . . 4 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑒𝐸) → (𝐹𝑒) ∈ 𝐷)
4645ex 417 . . 3 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → (𝑒𝐸 → (𝐹𝑒) ∈ 𝐷))
4746ralrimiv 3156 . 2 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ∀𝑒𝐸 (𝐹𝑒) ∈ 𝐷)
48 uspgrupgr 29437 . . . . . 6 (𝐻 ∈ USPGraph → 𝐻 ∈ UPGraph)
4948ad3antlr 743 . . . . 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 29396 . . . . 5 ((𝐻 ∈ UPGraph ∧ 𝑑𝐷) → ∃𝑎𝑊𝑏𝑊 𝑑 = {𝑎, 𝑏})
5349, 52sylan 591 . . . 4 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑑𝐷) → ∃𝑎𝑊𝑏𝑊 𝑑 = {𝑎, 𝑏})
54 f1ofo 6818 . . . . . . . . . . . 12 (𝐹:𝑉1-1-onto𝑊𝐹:𝑉onto𝑊)
55 foelrn 7092 . . . . . . . . . . . . . 14 ((𝐹:𝑉onto𝑊𝑎𝑊) → ∃𝑚𝑉 𝑎 = (𝐹𝑚))
5655ex 417 . . . . . . . . . . . . 13 (𝐹:𝑉onto𝑊 → (𝑎𝑊 → ∃𝑚𝑉 𝑎 = (𝐹𝑚)))
57 foelrn 7092 . . . . . . . . . . . . . 14 ((𝐹:𝑉onto𝑊𝑏𝑊) → ∃𝑛𝑉 𝑏 = (𝐹𝑛))
5857ex 417 . . . . . . . . . . . . 13 (𝐹:𝑉onto𝑊 → (𝑏𝑊 → ∃𝑛𝑉 𝑏 = (𝐹𝑛)))
5956, 58anim12d 620 . . . . . . . . . . . 12 (𝐹:𝑉onto𝑊 → ((𝑎𝑊𝑏𝑊) → (∃𝑚𝑉 𝑎 = (𝐹𝑚) ∧ ∃𝑛𝑉 𝑏 = (𝐹𝑛))))
6054, 59syl 18 . . . . . . . . . . 11 (𝐹:𝑉1-1-onto𝑊 → ((𝑎𝑊𝑏𝑊) → (∃𝑚𝑉 𝑎 = (𝐹𝑚) ∧ ∃𝑛𝑉 𝑏 = (𝐹𝑛))))
6160adantl 486 . . . . . . . . . 10 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) → ((𝑎𝑊𝑏𝑊) → (∃𝑚𝑉 𝑎 = (𝐹𝑚) ∧ ∃𝑛𝑉 𝑏 = (𝐹𝑛))))
6261adantr 485 . . . . . . . . 9 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ((𝑎𝑊𝑏𝑊) → (∃𝑚𝑉 𝑎 = (𝐹𝑚) ∧ ∃𝑛𝑉 𝑏 = (𝐹𝑛))))
6362imp 411 . . . . . . . 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 4697 . . . . . . . . . . . . . . . . 17 ((𝑎 = (𝐹𝑚) ∧ 𝑏 = (𝐹𝑛)) → {𝑎, 𝑏} = {(𝐹𝑚), (𝐹𝑛)})
6564eqeq2d 2776 . . . . . . . . . . . . . . . 16 ((𝑎 = (𝐹𝑚) ∧ 𝑏 = (𝐹𝑛)) → (𝑑 = {𝑎, 𝑏} ↔ 𝑑 = {(𝐹𝑚), (𝐹𝑛)}))
6665ancoms 463 . . . . . . . . . . . . . . 15 ((𝑏 = (𝐹𝑛) ∧ 𝑎 = (𝐹𝑚)) → (𝑑 = {𝑎, 𝑏} ↔ 𝑑 = {(𝐹𝑚), (𝐹𝑛)}))
6766adantl 486 . . . . . . . . . . . . . 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 4697 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑥 = 𝑚𝑦 = 𝑛) → {𝑥, 𝑦} = {𝑚, 𝑛})
6968eleq1d 2850 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑥 = 𝑚𝑦 = 𝑛) → ({𝑥, 𝑦} ∈ 𝐸 ↔ {𝑚, 𝑛} ∈ 𝐸))
70 fveq2 6871 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑥 = 𝑚 → (𝐹𝑥) = (𝐹𝑚))
7170adantr 485 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑥 = 𝑚𝑦 = 𝑛) → (𝐹𝑥) = (𝐹𝑚))
72 fveq2 6871 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑦 = 𝑛 → (𝐹𝑦) = (𝐹𝑛))
7372adantl 486 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑥 = 𝑚𝑦 = 𝑛) → (𝐹𝑦) = (𝐹𝑛))
7471, 73preq12d 4703 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑥 = 𝑚𝑦 = 𝑛) → {(𝐹𝑥), (𝐹𝑦)} = {(𝐹𝑚), (𝐹𝑛)})
7574eleq1d 2850 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑥 = 𝑚𝑦 = 𝑛) → ({(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷))
7669, 75bibi12d 348 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑥 = 𝑚𝑦 = 𝑛) → (({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) ↔ ({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷)))
7776rspc2gv 3594 . . . . . . . . . . . . . . . . . . . . 21 ((𝑚𝑉𝑛𝑉) → (∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) → ({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷)))
7877adantl 486 . . . . . . . . . . . . . . . . . . . 20 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) → ({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷)))
7922adantl 486 . . . . . . . . . . . . . . . . . . . . . . . . 25 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) → 𝐹 Fn 𝑉)
8079anim1i 626 . . . . . . . . . . . . . . . . . . . . . . . 24 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (𝐹 Fn 𝑉 ∧ (𝑚𝑉𝑛𝑉)))
81 3anass 1109 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝐹 Fn 𝑉𝑚𝑉𝑛𝑉) ↔ (𝐹 Fn 𝑉 ∧ (𝑚𝑉𝑛𝑉)))
8280, 81sylibr 237 . . . . . . . . . . . . . . . . . . . . . . 23 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (𝐹 Fn 𝑉𝑚𝑉𝑛𝑉))
83 fnimapr 6954 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝐹 Fn 𝑉𝑚𝑉𝑛𝑉) → (𝐹 “ {𝑚, 𝑛}) = {(𝐹𝑚), (𝐹𝑛)})
8482, 83syl 18 . . . . . . . . . . . . . . . . . . . . . 22 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (𝐹 “ {𝑚, 𝑛}) = {(𝐹𝑚), (𝐹𝑛)})
8584eqcomd 2771 . . . . . . . . . . . . . . . . . . . . 21 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → {(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}))
86 simpr 489 . . . . . . . . . . . . . . . . . . . . . . . 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 reueq 3703 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ({𝑚, 𝑛} ∈ 𝐸 ↔ ∃!𝑒𝐸 𝑒 = {𝑚, 𝑛})
8887bilani 509 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) → ∃!𝑒𝐸 𝑒 = {𝑚, 𝑛})
89 eqcom 2772 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ({𝑚, 𝑛} = 𝑒𝑒 = {𝑚, 𝑛})
9089reubii 3379 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (∃!𝑒𝐸 {𝑚, 𝑛} = 𝑒 ↔ ∃!𝑒𝐸 𝑒 = {𝑚, 𝑛})
9188, 90sylibr 237 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) → ∃!𝑒𝐸 {𝑚, 𝑛} = 𝑒)
92 f1of1 6809 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (𝐹:𝑉1-1-onto𝑊𝐹:𝑉1-1𝑊)
9392adantl 486 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) → 𝐹:𝑉1-1𝑊)
9493ad3antrrr 742 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) ∧ 𝑒𝐸) → 𝐹:𝑉1-1𝑊)
95 prssi 4782 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((𝑚𝑉𝑛𝑉) → {𝑚, 𝑛} ⊆ 𝑉)
9695ad3antlr 743 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) ∧ 𝑒𝐸) → {𝑚, 𝑛} ⊆ 𝑉)
97 uspgruhgr 29443 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 (𝐺 ∈ USPGraph → 𝐺 ∈ UHGraph)
9897adantr 485 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) → 𝐺 ∈ UHGraph)
9998ad3antrrr 742 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) → 𝐺 ∈ UHGraph)
1006eleq2i 2857 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 (𝑒𝐸𝑒 ∈ (Edg‘𝐺))
101100biimpi 219 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (𝑒𝐸𝑒 ∈ (Edg‘𝐺))
102 edguhgr 29388 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((𝐺 ∈ UHGraph ∧ 𝑒 ∈ (Edg‘𝐺)) → 𝑒 ∈ 𝒫 (Vtx‘𝐺))
1035pweqi 4574 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 𝒫 𝑉 = 𝒫 (Vtx‘𝐺)
104102, 103eleqtrrdi 2876 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ((𝐺 ∈ UHGraph ∧ 𝑒 ∈ (Edg‘𝐺)) → 𝑒 ∈ 𝒫 𝑉)
10599, 101, 104syl2an 607 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) ∧ 𝑒𝐸) → 𝑒 ∈ 𝒫 𝑉)
106105elpwid 4567 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) ∧ 𝑒𝐸) → 𝑒𝑉)
107 f1imaeq 7253 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((𝐹:𝑉1-1𝑊 ∧ ({𝑚, 𝑛} ⊆ 𝑉𝑒𝑉)) → ((𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒) ↔ {𝑚, 𝑛} = 𝑒))
10894, 96, 106, 107syl12anc 849 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) ∧ 𝑒𝐸) → ((𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒) ↔ {𝑚, 𝑛} = 𝑒))
109108reubidva 3384 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) → (∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒) ↔ ∃!𝑒𝐸 {𝑚, 𝑛} = 𝑒))
11091, 109mpbird 260 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) ∧ {𝑚, 𝑛} ∈ 𝐸) → ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒))
111110ex 417 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → ({𝑚, 𝑛} ∈ 𝐸 → ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒)))
112111adantr 485 . . . . . . . . . . . . . . . . . . . . . . . 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)))
11386, 112sylbird 263 . . . . . . . . . . . . . . . . . . . . . . 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)))
114113ex 417 . . . . . . . . . . . . . . . . . . . . . 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))))
115 eleq1 2853 . . . . . . . . . . . . . . . . . . . . . . . 24 ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 ↔ (𝐹 “ {𝑚, 𝑛}) ∈ 𝐷))
116115bibi2d 345 . . . . . . . . . . . . . . . . . . . . . . 23 ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → (({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷) ↔ ({𝑚, 𝑛} ∈ 𝐸 ↔ (𝐹 “ {𝑚, 𝑛}) ∈ 𝐷)))
117 eqeq1 2769 . . . . . . . . . . . . . . . . . . . . . . . . 25 ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → ({(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒) ↔ (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒)))
118117reubidv 3386 . . . . . . . . . . . . . . . . . . . . . . . 24 ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → (∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒) ↔ ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒)))
119115, 118imbi12d 347 . . . . . . . . . . . . . . . . . . . . . . 23 ({(𝐹𝑚), (𝐹𝑛)} = (𝐹 “ {𝑚, 𝑛}) → (({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒)) ↔ ((𝐹 “ {𝑚, 𝑛}) ∈ 𝐷 → ∃!𝑒𝐸 (𝐹 “ {𝑚, 𝑛}) = (𝐹𝑒))))
120116, 119imbi12d 347 . . . . . . . . . . . . . . . . . . . . . 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)))))
121114, 120syl5ibrcom 250 . . . . . . . . . . . . . . . . . . . . 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)))))
12285, 121mpd 16 . . . . . . . . . . . . . . . . . . . 20 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (({𝑚, 𝑛} ∈ 𝐸 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒))))
12378, 122syld 48 . . . . . . . . . . . . . . . . . . 19 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ (𝑚𝑉𝑛𝑉)) → (∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒))))
124123impancom 456 . . . . . . . . . . . . . . . . . 18 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ((𝑚𝑉𝑛𝑉) → ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒))))
125124adantr 485 . . . . . . . . . . . . . . . . 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))))
126125impl 460 . . . . . . . . . . . . . . . 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)))
127 eleq1 2853 . . . . . . . . . . . . . . . . 17 (𝑑 = {(𝐹𝑚), (𝐹𝑛)} → (𝑑𝐷 ↔ {(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷))
128 eqeq1 2769 . . . . . . . . . . . . . . . . . 18 (𝑑 = {(𝐹𝑚), (𝐹𝑛)} → (𝑑 = (𝐹𝑒) ↔ {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒)))
129128reubidv 3386 . . . . . . . . . . . . . . . . 17 (𝑑 = {(𝐹𝑚), (𝐹𝑛)} → (∃!𝑒𝐸 𝑑 = (𝐹𝑒) ↔ ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒)))
130127, 129imbi12d 347 . . . . . . . . . . . . . . . 16 (𝑑 = {(𝐹𝑚), (𝐹𝑛)} → ((𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒)) ↔ ({(𝐹𝑚), (𝐹𝑛)} ∈ 𝐷 → ∃!𝑒𝐸 {(𝐹𝑚), (𝐹𝑛)} = (𝐹𝑒))))
131126, 130syl5ibrcom 250 . . . . . . . . . . . . . . 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))))
132131adantr 485 . . . . . . . . . . . . . 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))))
13367, 132sylbid 243 . . . . . . . . . . . . 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))))
134133exp32 425 . . . . . . . . . . . 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))))))
135134rexlimdva 3166 . . . . . . . . . . 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))))))
136135com23 87 . . . . . . . . . 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))))))
137136rexlimdva 3166 . . . . . . . . 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))))))
138137impd 415 . . . . . . . 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)))))
13963, 138mpd 16 . . . . . . 7 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) → (𝑑 = {𝑎, 𝑏} → (𝑑𝐷 → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))
140139com23 87 . . . . . 6 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ (𝑎𝑊𝑏𝑊)) → (𝑑𝐷 → (𝑑 = {𝑎, 𝑏} → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))
141140impancom 456 . . . . 5 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑑𝐷) → ((𝑎𝑊𝑏𝑊) → (𝑑 = {𝑎, 𝑏} → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))))
142141rexlimdvv 3221 . . . 4 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑑𝐷) → (∃𝑎𝑊𝑏𝑊 𝑑 = {𝑎, 𝑏} → ∃!𝑒𝐸 𝑑 = (𝐹𝑒)))
14353, 142mpd 16 . . 3 (((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) ∧ 𝑑𝐷) → ∃!𝑒𝐸 𝑑 = (𝐹𝑒))
144143ralrimiva 3157 . 2 ((((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph) ∧ 𝐹:𝑉1-1-onto𝑊) ∧ ∀𝑥𝑉𝑦𝑉 ({𝑥, 𝑦} ∈ 𝐸 ↔ {(𝐹𝑥), (𝐹𝑦)} ∈ 𝐷)) → ∀𝑑𝐷 ∃!𝑒𝐸 𝑑 = (𝐹𝑒))
145 eqid 2765 . . 3 (𝑒𝐸 ↦ (𝐹𝑒)) = (𝑒𝐸 ↦ (𝐹𝑒))
146145f1ompt 7096 . 2 ((𝑒𝐸 ↦ (𝐹𝑒)):𝐸1-1-onto𝐷 ↔ (∀𝑒𝐸 (𝐹𝑒) ∈ 𝐷 ∧ ∀𝑑𝐷 ∃!𝑒𝐸 𝑑 = (𝐹𝑒)))
14747, 144, 146sylanbrc 594 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 209  wa 400  w3a 1101   = wceq 1563  wcel 2145  wral 3079  wrex 3089  ∃!wreu 3368  wss 3907  𝒫 cpw 4558  {cpr 4587  cmpt 5186  cima 5655   Fn wfn 6520  1-1wf1 6522  ontowfo 6523  1-1-ontowf1o 6524  cfv 6525  Vtxcvtx 29255  Edgcedg 29306  UHGraphcuhgr 29315  UPGraphcupgr 29339  USPGraphcuspgr 29407
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1818  ax-4 1832  ax-5 1933  ax-6 1990  ax-7 2031  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2215  ax-ext 2737  ax-sep 5251  ax-nul 5261  ax-pow 5327  ax-pr 5395  ax-un 7722  ax-cnex 11144  ax-resscn 11145  ax-1cn 11146  ax-icn 11147  ax-addcl 11148  ax-addrcl 11149  ax-mulcl 11150  ax-mulrcl 11151  ax-mulcom 11152  ax-addass 11153  ax-mulass 11154  ax-distr 11155  ax-i2m1 11156  ax-1ne0 11157  ax-1rid 11158  ax-rnegex 11159  ax-rrecex 11160  ax-cnre 11161  ax-pre-lttri 11162  ax-pre-lttrn 11163  ax-pre-ltadd 11164  ax-pre-mulgt0 11165
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1102  df-3an 1103  df-tru 1566  df-fal 1576  df-ex 1803  df-nf 1807  df-sb 2094  df-mo 2569  df-eu 2599  df-clab 2744  df-cleq 2757  df-clel 2840  df-nfc 2914  df-ne 2961  df-nel 3065  df-ral 3080  df-rex 3090  df-rmo 3370  df-reu 3371  df-rab 3418  df-v 3459  df-sbc 3748  df-csb 3856  df-dif 3910  df-un 3912  df-in 3914  df-ss 3924  df-pss 3927  df-nul 4289  df-if 4484  df-pw 4560  df-sn 4586  df-pr 4588  df-op 4592  df-uni 4869  df-int 4909  df-iun 4954  df-br 5106  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5547  df-eprel 5552  df-po 5560  df-so 5561  df-fr 5605  df-we 5607  df-xp 5658  df-rel 5659  df-cnv 5660  df-co 5661  df-dm 5662  df-rn 5663  df-res 5664  df-ima 5665  df-pred 6292  df-ord 6353  df-on 6354  df-lim 6355  df-suc 6356  df-iota 6481  df-fun 6527  df-fn 6528  df-f 6529  df-f1 6530  df-fo 6531  df-f1o 6532  df-fv 6533  df-riota 7357  df-ov 7403  df-oprab 7404  df-mpo 7405  df-om 7851  df-1st 7974  df-2nd 7975  df-frecs 8266  df-wrecs 8297  df-recs 8346  df-rdg 8385  df-1o 8441  df-2o 8442  df-oadd 8445  df-er 8682  df-en 8932  df-dom 8933  df-sdom 8934  df-fin 8935  df-dju 9875  df-card 9913  df-pnf 11233  df-mnf 11234  df-xr 11235  df-ltxr 11236  df-le 11237  df-sub 11431  df-neg 11432  df-nn 12225  df-2 12294  df-n0 12496  df-xnn0 12569  df-z 12583  df-uz 12854  df-fz 13527  df-hash 14358  df-edg 29307  df-uhgr 29317  df-upgr 29341  df-uspgr 29409
This theorem is referenced by:  isuspgrim  48516
  Copyright terms: Public domain W3C validator