| Step | Hyp | Ref | Expression | 
|---|
| 1 |  | trgcopy.p | . . 3
⊢ 𝑃 = (Base‘𝐺) | 
| 2 |  | trgcopy.m | . . 3
⊢  − =
(dist‘𝐺) | 
| 3 |  | trgcopy.i | . . 3
⊢ 𝐼 = (Itv‘𝐺) | 
| 4 |  | trgcopy.l | . . 3
⊢ 𝐿 = (LineG‘𝐺) | 
| 5 |  | trgcopy.k | . . 3
⊢ 𝐾 = (hlG‘𝐺) | 
| 6 |  | trgcopy.g | . . 3
⊢ (𝜑 → 𝐺 ∈ TarskiG) | 
| 7 |  | trgcopy.a | . . 3
⊢ (𝜑 → 𝐴 ∈ 𝑃) | 
| 8 |  | trgcopy.b | . . 3
⊢ (𝜑 → 𝐵 ∈ 𝑃) | 
| 9 |  | trgcopy.c | . . 3
⊢ (𝜑 → 𝐶 ∈ 𝑃) | 
| 10 |  | trgcopy.d | . . 3
⊢ (𝜑 → 𝐷 ∈ 𝑃) | 
| 11 |  | trgcopy.e | . . 3
⊢ (𝜑 → 𝐸 ∈ 𝑃) | 
| 12 |  | trgcopy.f | . . 3
⊢ (𝜑 → 𝐹 ∈ 𝑃) | 
| 13 |  | trgcopy.1 | . . 3
⊢ (𝜑 → ¬ (𝐴 ∈ (𝐵𝐿𝐶) ∨ 𝐵 = 𝐶)) | 
| 14 |  | trgcopy.2 | . . 3
⊢ (𝜑 → ¬ (𝐷 ∈ (𝐸𝐿𝐹) ∨ 𝐸 = 𝐹)) | 
| 15 |  | trgcopy.3 | . . 3
⊢ (𝜑 → (𝐴 − 𝐵) = (𝐷 − 𝐸)) | 
| 16 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15 | trgcopy 28813 | . 2
⊢ (𝜑 → ∃𝑓 ∈ 𝑃 (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) | 
| 17 | 6 | ad5antr 734 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝐺 ∈ TarskiG) | 
| 18 | 7 | ad5antr 734 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝐴 ∈ 𝑃) | 
| 19 | 8 | ad5antr 734 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝐵 ∈ 𝑃) | 
| 20 | 9 | ad5antr 734 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝐶 ∈ 𝑃) | 
| 21 | 10 | ad5antr 734 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝐷 ∈ 𝑃) | 
| 22 | 11 | ad5antr 734 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝐸 ∈ 𝑃) | 
| 23 | 12 | ad5antr 734 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝐹 ∈ 𝑃) | 
| 24 | 13 | ad5antr 734 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → ¬ (𝐴 ∈ (𝐵𝐿𝐶) ∨ 𝐵 = 𝐶)) | 
| 25 | 14 | ad5antr 734 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → ¬ (𝐷 ∈ (𝐸𝐿𝐹) ∨ 𝐸 = 𝐹)) | 
| 26 | 15 | ad5antr 734 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → (𝐴 − 𝐵) = (𝐷 − 𝐸)) | 
| 27 |  | simpl 482 | . . . . . . . . . . 11
⊢ ((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) → 𝑥 = 𝑎) | 
| 28 | 27 | eleq1d 2825 | . . . . . . . . . 10
⊢ ((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) → (𝑥 ∈ (𝑃 ∖ (𝐷𝐿𝐸)) ↔ 𝑎 ∈ (𝑃 ∖ (𝐷𝐿𝐸)))) | 
| 29 |  | simpr 484 | . . . . . . . . . . 11
⊢ ((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) → 𝑦 = 𝑏) | 
| 30 | 29 | eleq1d 2825 | . . . . . . . . . 10
⊢ ((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) → (𝑦 ∈ (𝑃 ∖ (𝐷𝐿𝐸)) ↔ 𝑏 ∈ (𝑃 ∖ (𝐷𝐿𝐸)))) | 
| 31 | 28, 30 | anbi12d 632 | . . . . . . . . 9
⊢ ((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) → ((𝑥 ∈ (𝑃 ∖ (𝐷𝐿𝐸)) ∧ 𝑦 ∈ (𝑃 ∖ (𝐷𝐿𝐸))) ↔ (𝑎 ∈ (𝑃 ∖ (𝐷𝐿𝐸)) ∧ 𝑏 ∈ (𝑃 ∖ (𝐷𝐿𝐸))))) | 
| 32 |  | simpr 484 | . . . . . . . . . . 11
⊢ (((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) ∧ 𝑧 = 𝑡) → 𝑧 = 𝑡) | 
| 33 |  | simpll 766 | . . . . . . . . . . . 12
⊢ (((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) ∧ 𝑧 = 𝑡) → 𝑥 = 𝑎) | 
| 34 |  | simplr 768 | . . . . . . . . . . . 12
⊢ (((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) ∧ 𝑧 = 𝑡) → 𝑦 = 𝑏) | 
| 35 | 33, 34 | oveq12d 7450 | . . . . . . . . . . 11
⊢ (((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) ∧ 𝑧 = 𝑡) → (𝑥𝐼𝑦) = (𝑎𝐼𝑏)) | 
| 36 | 32, 35 | eleq12d 2834 | . . . . . . . . . 10
⊢ (((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) ∧ 𝑧 = 𝑡) → (𝑧 ∈ (𝑥𝐼𝑦) ↔ 𝑡 ∈ (𝑎𝐼𝑏))) | 
| 37 | 36 | cbvrexdva 3239 | . . . . . . . . 9
⊢ ((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) → (∃𝑧 ∈ (𝐷𝐿𝐸)𝑧 ∈ (𝑥𝐼𝑦) ↔ ∃𝑡 ∈ (𝐷𝐿𝐸)𝑡 ∈ (𝑎𝐼𝑏))) | 
| 38 | 31, 37 | anbi12d 632 | . . . . . . . 8
⊢ ((𝑥 = 𝑎 ∧ 𝑦 = 𝑏) → (((𝑥 ∈ (𝑃 ∖ (𝐷𝐿𝐸)) ∧ 𝑦 ∈ (𝑃 ∖ (𝐷𝐿𝐸))) ∧ ∃𝑧 ∈ (𝐷𝐿𝐸)𝑧 ∈ (𝑥𝐼𝑦)) ↔ ((𝑎 ∈ (𝑃 ∖ (𝐷𝐿𝐸)) ∧ 𝑏 ∈ (𝑃 ∖ (𝐷𝐿𝐸))) ∧ ∃𝑡 ∈ (𝐷𝐿𝐸)𝑡 ∈ (𝑎𝐼𝑏)))) | 
| 39 | 38 | cbvopabv 5215 | . . . . . . 7
⊢
{〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (𝑃 ∖ (𝐷𝐿𝐸)) ∧ 𝑦 ∈ (𝑃 ∖ (𝐷𝐿𝐸))) ∧ ∃𝑧 ∈ (𝐷𝐿𝐸)𝑧 ∈ (𝑥𝐼𝑦))} = {〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ (𝐷𝐿𝐸)) ∧ 𝑏 ∈ (𝑃 ∖ (𝐷𝐿𝐸))) ∧ ∃𝑡 ∈ (𝐷𝐿𝐸)𝑡 ∈ (𝑎𝐼𝑏))} | 
| 40 |  | simp-5r 785 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝑓 ∈ 𝑃) | 
| 41 |  | simp-4r 783 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝑘 ∈ 𝑃) | 
| 42 |  | simpllr 775 | . . . . . . . 8
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) | 
| 43 | 42 | simpld 494 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉) | 
| 44 |  | simplr 768 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) | 
| 45 | 42 | simprd 495 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) | 
| 46 |  | simpr 484 | . . . . . . 7
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) | 
| 47 | 1, 2, 3, 4, 5, 17,
18, 19, 20, 21, 22, 23, 24, 25, 26, 39, 40, 41, 43, 44, 45, 46 | trgcopyeulem 28814 | . . . . . 6
⊢
((((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉) ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) → 𝑓 = 𝑘) | 
| 48 | 47 | anasss 466 | . . . . 5
⊢
(((((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉 ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) → 𝑓 = 𝑘) | 
| 49 | 48 | expl 457 | . . . 4
⊢ (((𝜑 ∧ 𝑓 ∈ 𝑃) ∧ 𝑘 ∈ 𝑃) → (((〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉 ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) → 𝑓 = 𝑘)) | 
| 50 | 49 | anasss 466 | . . 3
⊢ ((𝜑 ∧ (𝑓 ∈ 𝑃 ∧ 𝑘 ∈ 𝑃)) → (((〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉 ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) → 𝑓 = 𝑘)) | 
| 51 | 50 | ralrimivva 3201 | . 2
⊢ (𝜑 → ∀𝑓 ∈ 𝑃 ∀𝑘 ∈ 𝑃 (((〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉 ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) → 𝑓 = 𝑘)) | 
| 52 |  | eqidd 2737 | . . . . . 6
⊢ (𝑓 = 𝑘 → 𝐷 = 𝐷) | 
| 53 |  | eqidd 2737 | . . . . . 6
⊢ (𝑓 = 𝑘 → 𝐸 = 𝐸) | 
| 54 |  | id 22 | . . . . . 6
⊢ (𝑓 = 𝑘 → 𝑓 = 𝑘) | 
| 55 | 52, 53, 54 | s3eqd 14904 | . . . . 5
⊢ (𝑓 = 𝑘 → 〈“𝐷𝐸𝑓”〉 = 〈“𝐷𝐸𝑘”〉) | 
| 56 | 55 | breq2d 5154 | . . . 4
⊢ (𝑓 = 𝑘 → (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ↔ 〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉)) | 
| 57 |  | breq1 5145 | . . . 4
⊢ (𝑓 = 𝑘 → (𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹 ↔ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) | 
| 58 | 56, 57 | anbi12d 632 | . . 3
⊢ (𝑓 = 𝑘 → ((〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) ↔ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉 ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹))) | 
| 59 | 58 | reu4 3736 | . 2
⊢
(∃!𝑓 ∈
𝑃 (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) ↔ (∃𝑓 ∈ 𝑃 (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) ∧ ∀𝑓 ∈ 𝑃 ∀𝑘 ∈ 𝑃 (((〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹) ∧ (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑘”〉 ∧ 𝑘((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) → 𝑓 = 𝑘))) | 
| 60 | 16, 51, 59 | sylanbrc 583 | 1
⊢ (𝜑 → ∃!𝑓 ∈ 𝑃 (〈“𝐴𝐵𝐶”〉(cgrG‘𝐺)〈“𝐷𝐸𝑓”〉 ∧ 𝑓((hpG‘𝐺)‘(𝐷𝐿𝐸))𝐹)) |