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Theorem poxp2 33403
Description: Another way of partially ordering a cross product of two classes. (Contributed by Scott Fenton, 19-Aug-2024.)
Hypotheses
Ref Expression
xpord2.1 𝑇 = {⟨𝑥, 𝑦⟩ ∣ (𝑥 ∈ (𝐴 × 𝐵) ∧ 𝑦 ∈ (𝐴 × 𝐵) ∧ (((1st𝑥)𝑅(1st𝑦) ∨ (1st𝑥) = (1st𝑦)) ∧ ((2nd𝑥)𝑆(2nd𝑦) ∨ (2nd𝑥) = (2nd𝑦)) ∧ 𝑥𝑦))}
poxp2.1 (𝜑𝑅 Po 𝐴)
poxp2.2 (𝜑𝑆 Po 𝐵)
Assertion
Ref Expression
poxp2 (𝜑𝑇 Po (𝐴 × 𝐵))
Distinct variable groups:   𝑥,𝐴,𝑦   𝑥,𝐵,𝑦   𝑥,𝑅,𝑦   𝑥,𝑆,𝑦
Allowed substitution hints:   𝜑(𝑥,𝑦)   𝑇(𝑥,𝑦)

Proof of Theorem poxp2
Dummy variables 𝑎 𝑏 𝑐 𝑝 𝑞 𝑟 𝑠 𝑡 𝑢 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 elxp2 5549 . . . 4 (𝑎 ∈ (𝐴 × 𝐵) ↔ ∃𝑝𝐴𝑞𝐵 𝑎 = ⟨𝑝, 𝑞⟩)
2 equid 2024 . . . . . . . . . . . 12 𝑝 = 𝑝
3 equid 2024 . . . . . . . . . . . 12 𝑞 = 𝑞
42, 3pm3.2i 474 . . . . . . . . . . 11 (𝑝 = 𝑝𝑞 = 𝑞)
5 neorian 3028 . . . . . . . . . . . 12 ((𝑝𝑝𝑞𝑞) ↔ ¬ (𝑝 = 𝑝𝑞 = 𝑞))
65con2bii 361 . . . . . . . . . . 11 ((𝑝 = 𝑝𝑞 = 𝑞) ↔ ¬ (𝑝𝑝𝑞𝑞))
74, 6mpbi 233 . . . . . . . . . 10 ¬ (𝑝𝑝𝑞𝑞)
8 simp3 1139 . . . . . . . . . 10 (((𝑝𝑅𝑝𝑝 = 𝑝) ∧ (𝑞𝑆𝑞𝑞 = 𝑞) ∧ (𝑝𝑝𝑞𝑞)) → (𝑝𝑝𝑞𝑞))
97, 8mto 200 . . . . . . . . 9 ¬ ((𝑝𝑅𝑝𝑝 = 𝑝) ∧ (𝑞𝑆𝑞𝑞 = 𝑞) ∧ (𝑝𝑝𝑞𝑞))
10 simp3 1139 . . . . . . . . 9 (((𝑝𝐴𝑞𝐵) ∧ (𝑝𝐴𝑞𝐵) ∧ ((𝑝𝑅𝑝𝑝 = 𝑝) ∧ (𝑞𝑆𝑞𝑞 = 𝑞) ∧ (𝑝𝑝𝑞𝑞))) → ((𝑝𝑅𝑝𝑝 = 𝑝) ∧ (𝑞𝑆𝑞𝑞 = 𝑞) ∧ (𝑝𝑝𝑞𝑞)))
119, 10mto 200 . . . . . . . 8 ¬ ((𝑝𝐴𝑞𝐵) ∧ (𝑝𝐴𝑞𝐵) ∧ ((𝑝𝑅𝑝𝑝 = 𝑝) ∧ (𝑞𝑆𝑞𝑞 = 𝑞) ∧ (𝑝𝑝𝑞𝑞)))
12 xpord2.1 . . . . . . . . 9 𝑇 = {⟨𝑥, 𝑦⟩ ∣ (𝑥 ∈ (𝐴 × 𝐵) ∧ 𝑦 ∈ (𝐴 × 𝐵) ∧ (((1st𝑥)𝑅(1st𝑦) ∨ (1st𝑥) = (1st𝑦)) ∧ ((2nd𝑥)𝑆(2nd𝑦) ∨ (2nd𝑥) = (2nd𝑦)) ∧ 𝑥𝑦))}
1312xpord2lem 33402 . . . . . . . 8 (⟨𝑝, 𝑞𝑇𝑝, 𝑞⟩ ↔ ((𝑝𝐴𝑞𝐵) ∧ (𝑝𝐴𝑞𝐵) ∧ ((𝑝𝑅𝑝𝑝 = 𝑝) ∧ (𝑞𝑆𝑞𝑞 = 𝑞) ∧ (𝑝𝑝𝑞𝑞))))
1411, 13mtbir 326 . . . . . . 7 ¬ ⟨𝑝, 𝑞𝑇𝑝, 𝑞
15 breq12 5035 . . . . . . . 8 ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑎 = ⟨𝑝, 𝑞⟩) → (𝑎𝑇𝑎 ↔ ⟨𝑝, 𝑞𝑇𝑝, 𝑞⟩))
1615anidms 570 . . . . . . 7 (𝑎 = ⟨𝑝, 𝑞⟩ → (𝑎𝑇𝑎 ↔ ⟨𝑝, 𝑞𝑇𝑝, 𝑞⟩))
1714, 16mtbiri 330 . . . . . 6 (𝑎 = ⟨𝑝, 𝑞⟩ → ¬ 𝑎𝑇𝑎)
1817rexlimivw 3192 . . . . 5 (∃𝑞𝐵 𝑎 = ⟨𝑝, 𝑞⟩ → ¬ 𝑎𝑇𝑎)
1918rexlimivw 3192 . . . 4 (∃𝑝𝐴𝑞𝐵 𝑎 = ⟨𝑝, 𝑞⟩ → ¬ 𝑎𝑇𝑎)
201, 19sylbi 220 . . 3 (𝑎 ∈ (𝐴 × 𝐵) → ¬ 𝑎𝑇𝑎)
2120adantl 485 . 2 ((𝜑𝑎 ∈ (𝐴 × 𝐵)) → ¬ 𝑎𝑇𝑎)
22 3reeanv 3271 . . . 4 (∃𝑝𝐴𝑟𝐴𝑡𝐴 (∃𝑞𝐵 𝑎 = ⟨𝑝, 𝑞⟩ ∧ ∃𝑠𝐵 𝑏 = ⟨𝑟, 𝑠⟩ ∧ ∃𝑢𝐵 𝑐 = ⟨𝑡, 𝑢⟩) ↔ (∃𝑝𝐴𝑞𝐵 𝑎 = ⟨𝑝, 𝑞⟩ ∧ ∃𝑟𝐴𝑠𝐵 𝑏 = ⟨𝑟, 𝑠⟩ ∧ ∃𝑡𝐴𝑢𝐵 𝑐 = ⟨𝑡, 𝑢⟩))
23 3reeanv 3271 . . . . . 6 (∃𝑞𝐵𝑠𝐵𝑢𝐵 (𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) ↔ (∃𝑞𝐵 𝑎 = ⟨𝑝, 𝑞⟩ ∧ ∃𝑠𝐵 𝑏 = ⟨𝑟, 𝑠⟩ ∧ ∃𝑢𝐵 𝑐 = ⟨𝑡, 𝑢⟩))
2423rexbii 3161 . . . . 5 (∃𝑡𝐴𝑞𝐵𝑠𝐵𝑢𝐵 (𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) ↔ ∃𝑡𝐴 (∃𝑞𝐵 𝑎 = ⟨𝑝, 𝑞⟩ ∧ ∃𝑠𝐵 𝑏 = ⟨𝑟, 𝑠⟩ ∧ ∃𝑢𝐵 𝑐 = ⟨𝑡, 𝑢⟩))
25242rexbii 3162 . . . 4 (∃𝑝𝐴𝑟𝐴𝑡𝐴𝑞𝐵𝑠𝐵𝑢𝐵 (𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) ↔ ∃𝑝𝐴𝑟𝐴𝑡𝐴 (∃𝑞𝐵 𝑎 = ⟨𝑝, 𝑞⟩ ∧ ∃𝑠𝐵 𝑏 = ⟨𝑟, 𝑠⟩ ∧ ∃𝑢𝐵 𝑐 = ⟨𝑡, 𝑢⟩))
26 elxp2 5549 . . . . 5 (𝑏 ∈ (𝐴 × 𝐵) ↔ ∃𝑟𝐴𝑠𝐵 𝑏 = ⟨𝑟, 𝑠⟩)
27 elxp2 5549 . . . . 5 (𝑐 ∈ (𝐴 × 𝐵) ↔ ∃𝑡𝐴𝑢𝐵 𝑐 = ⟨𝑡, 𝑢⟩)
281, 26, 273anbi123i 1156 . . . 4 ((𝑎 ∈ (𝐴 × 𝐵) ∧ 𝑏 ∈ (𝐴 × 𝐵) ∧ 𝑐 ∈ (𝐴 × 𝐵)) ↔ (∃𝑝𝐴𝑞𝐵 𝑎 = ⟨𝑝, 𝑞⟩ ∧ ∃𝑟𝐴𝑠𝐵 𝑏 = ⟨𝑟, 𝑠⟩ ∧ ∃𝑡𝐴𝑢𝐵 𝑐 = ⟨𝑡, 𝑢⟩))
2922, 25, 283bitr4ri 307 . . 3 ((𝑎 ∈ (𝐴 × 𝐵) ∧ 𝑏 ∈ (𝐴 × 𝐵) ∧ 𝑐 ∈ (𝐴 × 𝐵)) ↔ ∃𝑝𝐴𝑟𝐴𝑡𝐴𝑞𝐵𝑠𝐵𝑢𝐵 (𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩))
30 df-3an 1090 . . . . . . . . . 10 (((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵)) ↔ (((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵)) ∧ (𝑠𝐵𝑢𝐵)))
31 simp3 1139 . . . . . . . . . . . 12 (((𝑝𝐴𝑞𝐵) ∧ (𝑟𝐴𝑠𝐵) ∧ ((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠))) → ((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)))
32 simp3 1139 . . . . . . . . . . . 12 (((𝑟𝐴𝑠𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢))) → ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))
33 simpr1l 1231 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) → 𝑝𝐴)
3433adantr 484 . . . . . . . . . . . . . . 15 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑝𝐴)
35 simpr2r 1234 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) → 𝑞𝐵)
3635adantr 484 . . . . . . . . . . . . . . 15 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑞𝐵)
3734, 36jca 515 . . . . . . . . . . . . . 14 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑝𝐴𝑞𝐵))
38 simpr2l 1233 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) → 𝑡𝐴)
3938adantr 484 . . . . . . . . . . . . . . 15 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑡𝐴)
40 simpr3r 1236 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) → 𝑢𝐵)
4140adantr 484 . . . . . . . . . . . . . . 15 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑢𝐵)
4239, 41jca 515 . . . . . . . . . . . . . 14 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑡𝐴𝑢𝐵))
43 poxp2.1 . . . . . . . . . . . . . . . . . . . . 21 (𝜑𝑅 Po 𝐴)
4443ad2antrr 726 . . . . . . . . . . . . . . . . . . . 20 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑅 Po 𝐴)
45 simpr1r 1232 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) → 𝑟𝐴)
4645adantr 484 . . . . . . . . . . . . . . . . . . . 20 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑟𝐴)
47 potr 5455 . . . . . . . . . . . . . . . . . . . 20 ((𝑅 Po 𝐴 ∧ (𝑝𝐴𝑟𝐴𝑡𝐴)) → ((𝑝𝑅𝑟𝑟𝑅𝑡) → 𝑝𝑅𝑡))
4844, 34, 46, 39, 47syl13anc 1373 . . . . . . . . . . . . . . . . . . 19 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ((𝑝𝑅𝑟𝑟𝑅𝑡) → 𝑝𝑅𝑡))
49 orc 866 . . . . . . . . . . . . . . . . . . 19 (𝑝𝑅𝑡 → (𝑝𝑅𝑡𝑝 = 𝑡))
5048, 49syl6 35 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ((𝑝𝑅𝑟𝑟𝑅𝑡) → (𝑝𝑅𝑡𝑝 = 𝑡)))
5150expd 419 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑝𝑅𝑟 → (𝑟𝑅𝑡 → (𝑝𝑅𝑡𝑝 = 𝑡))))
52 breq1 5033 . . . . . . . . . . . . . . . . . . 19 (𝑝 = 𝑟 → (𝑝𝑅𝑡𝑟𝑅𝑡))
5352, 49syl6bir 257 . . . . . . . . . . . . . . . . . 18 (𝑝 = 𝑟 → (𝑟𝑅𝑡 → (𝑝𝑅𝑡𝑝 = 𝑡)))
5453a1i 11 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑝 = 𝑟 → (𝑟𝑅𝑡 → (𝑝𝑅𝑡𝑝 = 𝑡))))
55 simprl1 1219 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑝𝑅𝑟𝑝 = 𝑟))
5651, 54, 55mpjaod 859 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑟𝑅𝑡 → (𝑝𝑅𝑡𝑝 = 𝑡)))
57 breq2 5034 . . . . . . . . . . . . . . . . . 18 (𝑟 = 𝑡 → (𝑝𝑅𝑟𝑝𝑅𝑡))
58 equequ2 2038 . . . . . . . . . . . . . . . . . 18 (𝑟 = 𝑡 → (𝑝 = 𝑟𝑝 = 𝑡))
5957, 58orbi12d 918 . . . . . . . . . . . . . . . . 17 (𝑟 = 𝑡 → ((𝑝𝑅𝑟𝑝 = 𝑟) ↔ (𝑝𝑅𝑡𝑝 = 𝑡)))
6055, 59syl5ibcom 248 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑟 = 𝑡 → (𝑝𝑅𝑡𝑝 = 𝑡)))
61 simprr1 1222 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑟𝑅𝑡𝑟 = 𝑡))
6256, 60, 61mpjaod 859 . . . . . . . . . . . . . . 15 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑝𝑅𝑡𝑝 = 𝑡))
63 poxp2.2 . . . . . . . . . . . . . . . . . . . . 21 (𝜑𝑆 Po 𝐵)
6463ad2antrr 726 . . . . . . . . . . . . . . . . . . . 20 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑆 Po 𝐵)
65 simpr3l 1235 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) → 𝑠𝐵)
6665adantr 484 . . . . . . . . . . . . . . . . . . . 20 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑠𝐵)
67 potr 5455 . . . . . . . . . . . . . . . . . . . 20 ((𝑆 Po 𝐵 ∧ (𝑞𝐵𝑠𝐵𝑢𝐵)) → ((𝑞𝑆𝑠𝑠𝑆𝑢) → 𝑞𝑆𝑢))
6864, 36, 66, 41, 67syl13anc 1373 . . . . . . . . . . . . . . . . . . 19 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ((𝑞𝑆𝑠𝑠𝑆𝑢) → 𝑞𝑆𝑢))
69 orc 866 . . . . . . . . . . . . . . . . . . 19 (𝑞𝑆𝑢 → (𝑞𝑆𝑢𝑞 = 𝑢))
7068, 69syl6 35 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ((𝑞𝑆𝑠𝑠𝑆𝑢) → (𝑞𝑆𝑢𝑞 = 𝑢)))
7170expd 419 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑞𝑆𝑠 → (𝑠𝑆𝑢 → (𝑞𝑆𝑢𝑞 = 𝑢))))
72 breq1 5033 . . . . . . . . . . . . . . . . . . 19 (𝑞 = 𝑠 → (𝑞𝑆𝑢𝑠𝑆𝑢))
7372, 69syl6bir 257 . . . . . . . . . . . . . . . . . 18 (𝑞 = 𝑠 → (𝑠𝑆𝑢 → (𝑞𝑆𝑢𝑞 = 𝑢)))
7473a1i 11 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑞 = 𝑠 → (𝑠𝑆𝑢 → (𝑞𝑆𝑢𝑞 = 𝑢))))
75 simprl2 1220 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑞𝑆𝑠𝑞 = 𝑠))
7671, 74, 75mpjaod 859 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑠𝑆𝑢 → (𝑞𝑆𝑢𝑞 = 𝑢)))
77 breq2 5034 . . . . . . . . . . . . . . . . . 18 (𝑠 = 𝑢 → (𝑞𝑆𝑠𝑞𝑆𝑢))
78 equequ2 2038 . . . . . . . . . . . . . . . . . 18 (𝑠 = 𝑢 → (𝑞 = 𝑠𝑞 = 𝑢))
7977, 78orbi12d 918 . . . . . . . . . . . . . . . . 17 (𝑠 = 𝑢 → ((𝑞𝑆𝑠𝑞 = 𝑠) ↔ (𝑞𝑆𝑢𝑞 = 𝑢)))
8075, 79syl5ibcom 248 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑠 = 𝑢 → (𝑞𝑆𝑢𝑞 = 𝑢)))
81 simprr2 1223 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑠𝑆𝑢𝑠 = 𝑢))
8276, 80, 81mpjaod 859 . . . . . . . . . . . . . . 15 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑞𝑆𝑢𝑞 = 𝑢))
83 simprr3 1224 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑟𝑡𝑠𝑢))
84 neorian 3028 . . . . . . . . . . . . . . . . 17 ((𝑟𝑡𝑠𝑢) ↔ ¬ (𝑟 = 𝑡𝑠 = 𝑢))
8583, 84sylib 221 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ¬ (𝑟 = 𝑡𝑠 = 𝑢))
86 neorian 3028 . . . . . . . . . . . . . . . . . 18 ((𝑝𝑡𝑞𝑢) ↔ ¬ (𝑝 = 𝑡𝑞 = 𝑢))
8786con2bii 361 . . . . . . . . . . . . . . . . 17 ((𝑝 = 𝑡𝑞 = 𝑢) ↔ ¬ (𝑝𝑡𝑞𝑢))
88 breq1 5033 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑝 = 𝑡 → (𝑝𝑅𝑟𝑡𝑅𝑟))
89 equequ1 2037 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑝 = 𝑡 → (𝑝 = 𝑟𝑡 = 𝑟))
9088, 89orbi12d 918 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑝 = 𝑡 → ((𝑝𝑅𝑟𝑝 = 𝑟) ↔ (𝑡𝑅𝑟𝑡 = 𝑟)))
9190adantr 484 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑝 = 𝑡𝑞 = 𝑢) → ((𝑝𝑅𝑟𝑝 = 𝑟) ↔ (𝑡𝑅𝑟𝑡 = 𝑟)))
92 breq1 5033 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑞 = 𝑢 → (𝑞𝑆𝑠𝑢𝑆𝑠))
93 equequ1 2037 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑞 = 𝑢 → (𝑞 = 𝑠𝑢 = 𝑠))
9492, 93orbi12d 918 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑞 = 𝑢 → ((𝑞𝑆𝑠𝑞 = 𝑠) ↔ (𝑢𝑆𝑠𝑢 = 𝑠)))
9594adantl 485 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑝 = 𝑡𝑞 = 𝑢) → ((𝑞𝑆𝑠𝑞 = 𝑠) ↔ (𝑢𝑆𝑠𝑢 = 𝑠)))
96 neeq1 2996 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑝 = 𝑡 → (𝑝𝑟𝑡𝑟))
9796adantr 484 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑝 = 𝑡𝑞 = 𝑢) → (𝑝𝑟𝑡𝑟))
98 neeq1 2996 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑞 = 𝑢 → (𝑞𝑠𝑢𝑠))
9998adantl 485 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑝 = 𝑡𝑞 = 𝑢) → (𝑞𝑠𝑢𝑠))
10097, 99orbi12d 918 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑝 = 𝑡𝑞 = 𝑢) → ((𝑝𝑟𝑞𝑠) ↔ (𝑡𝑟𝑢𝑠)))
10191, 95, 1003anbi123d 1437 . . . . . . . . . . . . . . . . . . . . 21 ((𝑝 = 𝑡𝑞 = 𝑢) → (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ↔ ((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠))))
102101anbi1d 633 . . . . . . . . . . . . . . . . . . . 20 ((𝑝 = 𝑡𝑞 = 𝑢) → ((((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢))) ↔ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))))
103102anbi2d 632 . . . . . . . . . . . . . . . . . . 19 ((𝑝 = 𝑡𝑞 = 𝑢) → (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) ↔ ((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢))))))
104 simprl1 1219 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑡𝑅𝑟𝑡 = 𝑟))
105 simprr1 1222 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑟𝑅𝑡𝑟 = 𝑡))
106 orcom 869 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝑡𝑅𝑟𝑟𝑅𝑡) ∨ 𝑟 = 𝑡) ↔ (𝑟 = 𝑡 ∨ (𝑡𝑅𝑟𝑟𝑅𝑡)))
107 ordi 1005 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑟 = 𝑡 ∨ (𝑡𝑅𝑟𝑟𝑅𝑡)) ↔ ((𝑟 = 𝑡𝑡𝑅𝑟) ∧ (𝑟 = 𝑡𝑟𝑅𝑡)))
108 orcom 869 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑟 = 𝑡𝑡𝑅𝑟) ↔ (𝑡𝑅𝑟𝑟 = 𝑡))
109 equcom 2030 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑟 = 𝑡𝑡 = 𝑟)
110109orbi2i 912 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑡𝑅𝑟𝑟 = 𝑡) ↔ (𝑡𝑅𝑟𝑡 = 𝑟))
111108, 110bitri 278 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑟 = 𝑡𝑡𝑅𝑟) ↔ (𝑡𝑅𝑟𝑡 = 𝑟))
112 orcom 869 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑟 = 𝑡𝑟𝑅𝑡) ↔ (𝑟𝑅𝑡𝑟 = 𝑡))
113111, 112anbi12i 630 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝑟 = 𝑡𝑡𝑅𝑟) ∧ (𝑟 = 𝑡𝑟𝑅𝑡)) ↔ ((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑟𝑅𝑡𝑟 = 𝑡)))
114106, 107, 1133bitri 300 . . . . . . . . . . . . . . . . . . . . . 22 (((𝑡𝑅𝑟𝑟𝑅𝑡) ∨ 𝑟 = 𝑡) ↔ ((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑟𝑅𝑡𝑟 = 𝑡)))
115104, 105, 114sylanbrc 586 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ((𝑡𝑅𝑟𝑟𝑅𝑡) ∨ 𝑟 = 𝑡))
11643ad2antrr 726 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑅 Po 𝐴)
11738adantr 484 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑡𝐴)
11845adantr 484 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑟𝐴)
119 po2nr 5456 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑅 Po 𝐴 ∧ (𝑡𝐴𝑟𝐴)) → ¬ (𝑡𝑅𝑟𝑟𝑅𝑡))
120116, 117, 118, 119syl12anc 836 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ¬ (𝑡𝑅𝑟𝑟𝑅𝑡))
121115, 120orcnd 878 . . . . . . . . . . . . . . . . . . . 20 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑟 = 𝑡)
122 simprl2 1220 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑢𝑆𝑠𝑢 = 𝑠))
123 simprr2 1223 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑠𝑆𝑢𝑠 = 𝑢))
124 orcom 869 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝑢𝑆𝑠𝑠𝑆𝑢) ∨ 𝑠 = 𝑢) ↔ (𝑠 = 𝑢 ∨ (𝑢𝑆𝑠𝑠𝑆𝑢)))
125 ordi 1005 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑠 = 𝑢 ∨ (𝑢𝑆𝑠𝑠𝑆𝑢)) ↔ ((𝑠 = 𝑢𝑢𝑆𝑠) ∧ (𝑠 = 𝑢𝑠𝑆𝑢)))
126 orcom 869 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑠 = 𝑢𝑢𝑆𝑠) ↔ (𝑢𝑆𝑠𝑠 = 𝑢))
127 equcom 2030 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑠 = 𝑢𝑢 = 𝑠)
128127orbi2i 912 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑢𝑆𝑠𝑠 = 𝑢) ↔ (𝑢𝑆𝑠𝑢 = 𝑠))
129126, 128bitri 278 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑠 = 𝑢𝑢𝑆𝑠) ↔ (𝑢𝑆𝑠𝑢 = 𝑠))
130 orcom 869 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑠 = 𝑢𝑠𝑆𝑢) ↔ (𝑠𝑆𝑢𝑠 = 𝑢))
131129, 130anbi12i 630 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝑠 = 𝑢𝑢𝑆𝑠) ∧ (𝑠 = 𝑢𝑠𝑆𝑢)) ↔ ((𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑠𝑆𝑢𝑠 = 𝑢)))
132124, 125, 1313bitri 300 . . . . . . . . . . . . . . . . . . . . . 22 (((𝑢𝑆𝑠𝑠𝑆𝑢) ∨ 𝑠 = 𝑢) ↔ ((𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑠𝑆𝑢𝑠 = 𝑢)))
133122, 123, 132sylanbrc 586 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ((𝑢𝑆𝑠𝑠𝑆𝑢) ∨ 𝑠 = 𝑢))
13463ad2antrr 726 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑆 Po 𝐵)
13540adantr 484 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑢𝐵)
13665adantr 484 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑠𝐵)
137 po2nr 5456 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑆 Po 𝐵 ∧ (𝑢𝐵𝑠𝐵)) → ¬ (𝑢𝑆𝑠𝑠𝑆𝑢))
138134, 135, 136, 137syl12anc 836 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ¬ (𝑢𝑆𝑠𝑠𝑆𝑢))
139133, 138orcnd 878 . . . . . . . . . . . . . . . . . . . 20 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → 𝑠 = 𝑢)
140121, 139jca 515 . . . . . . . . . . . . . . . . . . 19 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑡𝑅𝑟𝑡 = 𝑟) ∧ (𝑢𝑆𝑠𝑢 = 𝑠) ∧ (𝑡𝑟𝑢𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑟 = 𝑡𝑠 = 𝑢))
141103, 140syl6bi 256 . . . . . . . . . . . . . . . . . 18 ((𝑝 = 𝑡𝑞 = 𝑢) → (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑟 = 𝑡𝑠 = 𝑢)))
142141com12 32 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ((𝑝 = 𝑡𝑞 = 𝑢) → (𝑟 = 𝑡𝑠 = 𝑢)))
14387, 142syl5bir 246 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (¬ (𝑝𝑡𝑞𝑢) → (𝑟 = 𝑡𝑠 = 𝑢)))
14485, 143mt3d 150 . . . . . . . . . . . . . . 15 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → (𝑝𝑡𝑞𝑢))
14562, 82, 1443jca 1129 . . . . . . . . . . . . . 14 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ((𝑝𝑅𝑡𝑝 = 𝑡) ∧ (𝑞𝑆𝑢𝑞 = 𝑢) ∧ (𝑝𝑡𝑞𝑢)))
14637, 42, 1453jca 1129 . . . . . . . . . . . . 13 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) ∧ (((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ((𝑝𝐴𝑞𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑝𝑅𝑡𝑝 = 𝑡) ∧ (𝑞𝑆𝑢𝑞 = 𝑢) ∧ (𝑝𝑡𝑞𝑢))))
147146ex 416 . . . . . . . . . . . 12 ((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) → ((((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢))) → ((𝑝𝐴𝑞𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑝𝑅𝑡𝑝 = 𝑡) ∧ (𝑞𝑆𝑢𝑞 = 𝑢) ∧ (𝑝𝑡𝑞𝑢)))))
14831, 32, 147syl2ani 610 . . . . . . . . . . 11 ((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) → ((((𝑝𝐴𝑞𝐵) ∧ (𝑟𝐴𝑠𝐵) ∧ ((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠))) ∧ ((𝑟𝐴𝑠𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ((𝑝𝐴𝑞𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑝𝑅𝑡𝑝 = 𝑡) ∧ (𝑞𝑆𝑢𝑞 = 𝑢) ∧ (𝑝𝑡𝑞𝑢)))))
149 breq12 5035 . . . . . . . . . . . . . . 15 ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩) → (𝑎𝑇𝑏 ↔ ⟨𝑝, 𝑞𝑇𝑟, 𝑠⟩))
1501493adant3 1133 . . . . . . . . . . . . . 14 ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → (𝑎𝑇𝑏 ↔ ⟨𝑝, 𝑞𝑇𝑟, 𝑠⟩))
15112xpord2lem 33402 . . . . . . . . . . . . . 14 (⟨𝑝, 𝑞𝑇𝑟, 𝑠⟩ ↔ ((𝑝𝐴𝑞𝐵) ∧ (𝑟𝐴𝑠𝐵) ∧ ((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠))))
152150, 151bitrdi 290 . . . . . . . . . . . . 13 ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → (𝑎𝑇𝑏 ↔ ((𝑝𝐴𝑞𝐵) ∧ (𝑟𝐴𝑠𝐵) ∧ ((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠)))))
153 breq12 5035 . . . . . . . . . . . . . . 15 ((𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → (𝑏𝑇𝑐 ↔ ⟨𝑟, 𝑠𝑇𝑡, 𝑢⟩))
1541533adant1 1131 . . . . . . . . . . . . . 14 ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → (𝑏𝑇𝑐 ↔ ⟨𝑟, 𝑠𝑇𝑡, 𝑢⟩))
15512xpord2lem 33402 . . . . . . . . . . . . . 14 (⟨𝑟, 𝑠𝑇𝑡, 𝑢⟩ ↔ ((𝑟𝐴𝑠𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢))))
156154, 155bitrdi 290 . . . . . . . . . . . . 13 ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → (𝑏𝑇𝑐 ↔ ((𝑟𝐴𝑠𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))))
157152, 156anbi12d 634 . . . . . . . . . . . 12 ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → ((𝑎𝑇𝑏𝑏𝑇𝑐) ↔ (((𝑝𝐴𝑞𝐵) ∧ (𝑟𝐴𝑠𝐵) ∧ ((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠))) ∧ ((𝑟𝐴𝑠𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢))))))
158 breq12 5035 . . . . . . . . . . . . . 14 ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → (𝑎𝑇𝑐 ↔ ⟨𝑝, 𝑞𝑇𝑡, 𝑢⟩))
1591583adant2 1132 . . . . . . . . . . . . 13 ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → (𝑎𝑇𝑐 ↔ ⟨𝑝, 𝑞𝑇𝑡, 𝑢⟩))
16012xpord2lem 33402 . . . . . . . . . . . . 13 (⟨𝑝, 𝑞𝑇𝑡, 𝑢⟩ ↔ ((𝑝𝐴𝑞𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑝𝑅𝑡𝑝 = 𝑡) ∧ (𝑞𝑆𝑢𝑞 = 𝑢) ∧ (𝑝𝑡𝑞𝑢))))
161159, 160bitrdi 290 . . . . . . . . . . . 12 ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → (𝑎𝑇𝑐 ↔ ((𝑝𝐴𝑞𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑝𝑅𝑡𝑝 = 𝑡) ∧ (𝑞𝑆𝑢𝑞 = 𝑢) ∧ (𝑝𝑡𝑞𝑢)))))
162157, 161imbi12d 348 . . . . . . . . . . 11 ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → (((𝑎𝑇𝑏𝑏𝑇𝑐) → 𝑎𝑇𝑐) ↔ ((((𝑝𝐴𝑞𝐵) ∧ (𝑟𝐴𝑠𝐵) ∧ ((𝑝𝑅𝑟𝑝 = 𝑟) ∧ (𝑞𝑆𝑠𝑞 = 𝑠) ∧ (𝑝𝑟𝑞𝑠))) ∧ ((𝑟𝐴𝑠𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑟𝑅𝑡𝑟 = 𝑡) ∧ (𝑠𝑆𝑢𝑠 = 𝑢) ∧ (𝑟𝑡𝑠𝑢)))) → ((𝑝𝐴𝑞𝐵) ∧ (𝑡𝐴𝑢𝐵) ∧ ((𝑝𝑅𝑡𝑝 = 𝑡) ∧ (𝑞𝑆𝑢𝑞 = 𝑢) ∧ (𝑝𝑡𝑞𝑢))))))
163148, 162syl5ibrcom 250 . . . . . . . . . 10 ((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵) ∧ (𝑠𝐵𝑢𝐵))) → ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → ((𝑎𝑇𝑏𝑏𝑇𝑐) → 𝑎𝑇𝑐)))
16430, 163sylan2br 598 . . . . . . . . 9 ((𝜑 ∧ (((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵)) ∧ (𝑠𝐵𝑢𝐵))) → ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → ((𝑎𝑇𝑏𝑏𝑇𝑐) → 𝑎𝑇𝑐)))
165164anassrs 471 . . . . . . . 8 (((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵))) ∧ (𝑠𝐵𝑢𝐵)) → ((𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → ((𝑎𝑇𝑏𝑏𝑇𝑐) → 𝑎𝑇𝑐)))
166165rexlimdvva 3204 . . . . . . 7 ((𝜑 ∧ ((𝑝𝐴𝑟𝐴) ∧ (𝑡𝐴𝑞𝐵))) → (∃𝑠𝐵𝑢𝐵 (𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → ((𝑎𝑇𝑏𝑏𝑇𝑐) → 𝑎𝑇𝑐)))
167166anassrs 471 . . . . . 6 (((𝜑 ∧ (𝑝𝐴𝑟𝐴)) ∧ (𝑡𝐴𝑞𝐵)) → (∃𝑠𝐵𝑢𝐵 (𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → ((𝑎𝑇𝑏𝑏𝑇𝑐) → 𝑎𝑇𝑐)))
168167rexlimdvva 3204 . . . . 5 ((𝜑 ∧ (𝑝𝐴𝑟𝐴)) → (∃𝑡𝐴𝑞𝐵𝑠𝐵𝑢𝐵 (𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → ((𝑎𝑇𝑏𝑏𝑇𝑐) → 𝑎𝑇𝑐)))
169168rexlimdvva 3204 . . . 4 (𝜑 → (∃𝑝𝐴𝑟𝐴𝑡𝐴𝑞𝐵𝑠𝐵𝑢𝐵 (𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩) → ((𝑎𝑇𝑏𝑏𝑇𝑐) → 𝑎𝑇𝑐)))
170169imp 410 . . 3 ((𝜑 ∧ ∃𝑝𝐴𝑟𝐴𝑡𝐴𝑞𝐵𝑠𝐵𝑢𝐵 (𝑎 = ⟨𝑝, 𝑞⟩ ∧ 𝑏 = ⟨𝑟, 𝑠⟩ ∧ 𝑐 = ⟨𝑡, 𝑢⟩)) → ((𝑎𝑇𝑏𝑏𝑇𝑐) → 𝑎𝑇𝑐))
17129, 170sylan2b 597 . 2 ((𝜑 ∧ (𝑎 ∈ (𝐴 × 𝐵) ∧ 𝑏 ∈ (𝐴 × 𝐵) ∧ 𝑐 ∈ (𝐴 × 𝐵))) → ((𝑎𝑇𝑏𝑏𝑇𝑐) → 𝑎𝑇𝑐))
17221, 171ispod 5451 1 (𝜑𝑇 Po (𝐴 × 𝐵))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 209  wa 399  wo 846  w3a 1088   = wceq 1542  wcel 2114  wne 2934  wrex 3054  cop 4522   class class class wbr 5030  {copab 5092   Po wpo 5440   × cxp 5523  cfv 6339  1st c1st 7712  2nd c2nd 7713
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1975  ax-7 2020  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2162  ax-12 2179  ax-ext 2710  ax-sep 5167  ax-nul 5174  ax-pr 5296  ax-un 7479
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 847  df-3an 1090  df-tru 1545  df-fal 1555  df-ex 1787  df-nf 1791  df-sb 2075  df-mo 2540  df-eu 2570  df-clab 2717  df-cleq 2730  df-clel 2811  df-nfc 2881  df-ne 2935  df-ral 3058  df-rex 3059  df-rab 3062  df-v 3400  df-sbc 3681  df-dif 3846  df-un 3848  df-in 3850  df-ss 3860  df-nul 4212  df-if 4415  df-sn 4517  df-pr 4519  df-op 4523  df-uni 4797  df-br 5031  df-opab 5093  df-mpt 5111  df-id 5429  df-po 5442  df-xp 5531  df-rel 5532  df-cnv 5533  df-co 5534  df-dm 5535  df-rn 5536  df-iota 6297  df-fun 6341  df-fv 6347  df-1st 7714  df-2nd 7715
This theorem is referenced by:  xpord2ind  33407  on2recsfn  33469  on2recsov  33470  noxpordpo  33750
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