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Theorem ordtrest2 21231
 Description: An interval-closed set 𝐴 in a total order has the same subspace topology as the restricted order topology. (An interval-closed set is the same thing as an open or half-open or closed interval in ℝ, but in other sets like ℚ there are interval-closed sets like (π, +∞) ∩ ℚ that are not intervals.) (Contributed by Mario Carneiro, 9-Sep-2015.)
Hypotheses
Ref Expression
ordtrest2.1 𝑋 = dom 𝑅
ordtrest2.2 (𝜑𝑅 ∈ TosetRel )
ordtrest2.3 (𝜑𝐴𝑋)
ordtrest2.4 ((𝜑 ∧ (𝑥𝐴𝑦𝐴)) → {𝑧𝑋 ∣ (𝑥𝑅𝑧𝑧𝑅𝑦)} ⊆ 𝐴)
Assertion
Ref Expression
ordtrest2 (𝜑 → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) = ((ordTop‘𝑅) ↾t 𝐴))
Distinct variable groups:   𝑥,𝑦,𝑧,𝐴   𝜑,𝑥,𝑦,𝑧   𝑥,𝑅,𝑦,𝑧   𝑥,𝑋,𝑦,𝑧

Proof of Theorem ordtrest2
Dummy variables 𝑤 𝑣 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 ordtrest2.2 . . . 4 (𝜑𝑅 ∈ TosetRel )
2 tsrps 17443 . . . 4 (𝑅 ∈ TosetRel → 𝑅 ∈ PosetRel)
31, 2syl 17 . . 3 (𝜑𝑅 ∈ PosetRel)
4 ordtrest2.1 . . . . 5 𝑋 = dom 𝑅
5 dmexg 7264 . . . . . 6 (𝑅 ∈ TosetRel → dom 𝑅 ∈ V)
61, 5syl 17 . . . . 5 (𝜑 → dom 𝑅 ∈ V)
74, 6syl5eqel 2844 . . . 4 (𝜑𝑋 ∈ V)
8 ordtrest2.3 . . . 4 (𝜑𝐴𝑋)
97, 8ssexd 4958 . . 3 (𝜑𝐴 ∈ V)
10 ordtrest 21229 . . 3 ((𝑅 ∈ PosetRel ∧ 𝐴 ∈ V) → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ⊆ ((ordTop‘𝑅) ↾t 𝐴))
113, 9, 10syl2anc 696 . 2 (𝜑 → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ⊆ ((ordTop‘𝑅) ↾t 𝐴))
12 eqid 2761 . . . . . . . 8 ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) = ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧})
13 eqid 2761 . . . . . . . 8 ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}) = ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})
144, 12, 13ordtval 21216 . . . . . . 7 (𝑅 ∈ TosetRel → (ordTop‘𝑅) = (topGen‘(fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))))))
151, 14syl 17 . . . . . 6 (𝜑 → (ordTop‘𝑅) = (topGen‘(fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))))))
1615oveq1d 6830 . . . . 5 (𝜑 → ((ordTop‘𝑅) ↾t 𝐴) = ((topGen‘(fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))))) ↾t 𝐴))
17 fibas 21004 . . . . . 6 (fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))) ∈ TopBases
18 tgrest 21186 . . . . . 6 (((fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))) ∈ TopBases ∧ 𝐴 ∈ V) → (topGen‘((fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))) ↾t 𝐴)) = ((topGen‘(fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))))) ↾t 𝐴))
1917, 9, 18sylancr 698 . . . . 5 (𝜑 → (topGen‘((fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))) ↾t 𝐴)) = ((topGen‘(fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))))) ↾t 𝐴))
2016, 19eqtr4d 2798 . . . 4 (𝜑 → ((ordTop‘𝑅) ↾t 𝐴) = (topGen‘((fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))) ↾t 𝐴)))
21 firest 16316 . . . . 5 (fi‘(({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↾t 𝐴)) = ((fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))) ↾t 𝐴)
2221fveq2i 6357 . . . 4 (topGen‘(fi‘(({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↾t 𝐴))) = (topGen‘((fi‘({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))) ↾t 𝐴))
2320, 22syl6eqr 2813 . . 3 (𝜑 → ((ordTop‘𝑅) ↾t 𝐴) = (topGen‘(fi‘(({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↾t 𝐴))))
24 inex1g 4954 . . . . . 6 (𝑅 ∈ TosetRel → (𝑅 ∩ (𝐴 × 𝐴)) ∈ V)
251, 24syl 17 . . . . 5 (𝜑 → (𝑅 ∩ (𝐴 × 𝐴)) ∈ V)
26 ordttop 21227 . . . . 5 ((𝑅 ∩ (𝐴 × 𝐴)) ∈ V → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ∈ Top)
2725, 26syl 17 . . . 4 (𝜑 → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ∈ Top)
284, 12, 13ordtuni 21217 . . . . . . . . 9 (𝑅 ∈ TosetRel → 𝑋 = ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))))
291, 28syl 17 . . . . . . . 8 (𝜑𝑋 = ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))))
3029, 7eqeltrrd 2841 . . . . . . 7 (𝜑 ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ∈ V)
31 uniexb 7140 . . . . . . 7 (({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ∈ V ↔ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ∈ V)
3230, 31sylibr 224 . . . . . 6 (𝜑 → ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ∈ V)
33 restval 16310 . . . . . 6 ((({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ∈ V ∧ 𝐴 ∈ V) → (({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↾t 𝐴) = ran (𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↦ (𝑣𝐴)))
3432, 9, 33syl2anc 696 . . . . 5 (𝜑 → (({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↾t 𝐴) = ran (𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↦ (𝑣𝐴)))
35 sseqin2 3961 . . . . . . . . . . . 12 (𝐴𝑋 ↔ (𝑋𝐴) = 𝐴)
368, 35sylib 208 . . . . . . . . . . 11 (𝜑 → (𝑋𝐴) = 𝐴)
37 eqid 2761 . . . . . . . . . . . . . . 15 dom (𝑅 ∩ (𝐴 × 𝐴)) = dom (𝑅 ∩ (𝐴 × 𝐴))
3837ordttopon 21220 . . . . . . . . . . . . . 14 ((𝑅 ∩ (𝐴 × 𝐴)) ∈ V → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ∈ (TopOn‘dom (𝑅 ∩ (𝐴 × 𝐴))))
3925, 38syl 17 . . . . . . . . . . . . 13 (𝜑 → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ∈ (TopOn‘dom (𝑅 ∩ (𝐴 × 𝐴))))
404psssdm 17438 . . . . . . . . . . . . . . 15 ((𝑅 ∈ PosetRel ∧ 𝐴𝑋) → dom (𝑅 ∩ (𝐴 × 𝐴)) = 𝐴)
413, 8, 40syl2anc 696 . . . . . . . . . . . . . 14 (𝜑 → dom (𝑅 ∩ (𝐴 × 𝐴)) = 𝐴)
4241fveq2d 6358 . . . . . . . . . . . . 13 (𝜑 → (TopOn‘dom (𝑅 ∩ (𝐴 × 𝐴))) = (TopOn‘𝐴))
4339, 42eleqtrd 2842 . . . . . . . . . . . 12 (𝜑 → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ∈ (TopOn‘𝐴))
44 toponmax 20953 . . . . . . . . . . . 12 ((ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ∈ (TopOn‘𝐴) → 𝐴 ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
4543, 44syl 17 . . . . . . . . . . 11 (𝜑𝐴 ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
4636, 45eqeltrd 2840 . . . . . . . . . 10 (𝜑 → (𝑋𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
47 elsni 4339 . . . . . . . . . . . 12 (𝑣 ∈ {𝑋} → 𝑣 = 𝑋)
4847ineq1d 3957 . . . . . . . . . . 11 (𝑣 ∈ {𝑋} → (𝑣𝐴) = (𝑋𝐴))
4948eleq1d 2825 . . . . . . . . . 10 (𝑣 ∈ {𝑋} → ((𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ↔ (𝑋𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴)))))
5046, 49syl5ibrcom 237 . . . . . . . . 9 (𝜑 → (𝑣 ∈ {𝑋} → (𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴)))))
5150ralrimiv 3104 . . . . . . . 8 (𝜑 → ∀𝑣 ∈ {𝑋} (𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
52 ordtrest2.4 . . . . . . . . . 10 ((𝜑 ∧ (𝑥𝐴𝑦𝐴)) → {𝑧𝑋 ∣ (𝑥𝑅𝑧𝑧𝑅𝑦)} ⊆ 𝐴)
534, 1, 8, 52ordtrest2lem 21230 . . . . . . . . 9 (𝜑 → ∀𝑣 ∈ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧})(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
54 df-rn 5278 . . . . . . . . . . 11 ran 𝑅 = dom 𝑅
55 cnvtsr 17444 . . . . . . . . . . . 12 (𝑅 ∈ TosetRel → 𝑅 ∈ TosetRel )
561, 55syl 17 . . . . . . . . . . 11 (𝜑𝑅 ∈ TosetRel )
574psrn 17431 . . . . . . . . . . . . 13 (𝑅 ∈ PosetRel → 𝑋 = ran 𝑅)
583, 57syl 17 . . . . . . . . . . . 12 (𝜑𝑋 = ran 𝑅)
598, 58sseqtrd 3783 . . . . . . . . . . 11 (𝜑𝐴 ⊆ ran 𝑅)
6058adantr 472 . . . . . . . . . . . . . . 15 ((𝜑 ∧ (𝑥𝐴𝑦𝐴)) → 𝑋 = ran 𝑅)
61 rabeq 3333 . . . . . . . . . . . . . . 15 (𝑋 = ran 𝑅 → {𝑧𝑋 ∣ (𝑥𝑅𝑧𝑧𝑅𝑦)} = {𝑧 ∈ ran 𝑅 ∣ (𝑥𝑅𝑧𝑧𝑅𝑦)})
6260, 61syl 17 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑥𝐴𝑦𝐴)) → {𝑧𝑋 ∣ (𝑥𝑅𝑧𝑧𝑅𝑦)} = {𝑧 ∈ ran 𝑅 ∣ (𝑥𝑅𝑧𝑧𝑅𝑦)})
63 vex 3344 . . . . . . . . . . . . . . . . 17 𝑦 ∈ V
64 vex 3344 . . . . . . . . . . . . . . . . 17 𝑧 ∈ V
6563, 64brcnv 5461 . . . . . . . . . . . . . . . 16 (𝑦𝑅𝑧𝑧𝑅𝑦)
66 vex 3344 . . . . . . . . . . . . . . . . 17 𝑥 ∈ V
6764, 66brcnv 5461 . . . . . . . . . . . . . . . 16 (𝑧𝑅𝑥𝑥𝑅𝑧)
6865, 67anbi12ci 736 . . . . . . . . . . . . . . 15 ((𝑦𝑅𝑧𝑧𝑅𝑥) ↔ (𝑥𝑅𝑧𝑧𝑅𝑦))
6968rabbii 3326 . . . . . . . . . . . . . 14 {𝑧 ∈ ran 𝑅 ∣ (𝑦𝑅𝑧𝑧𝑅𝑥)} = {𝑧 ∈ ran 𝑅 ∣ (𝑥𝑅𝑧𝑧𝑅𝑦)}
7062, 69syl6eqr 2813 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑥𝐴𝑦𝐴)) → {𝑧𝑋 ∣ (𝑥𝑅𝑧𝑧𝑅𝑦)} = {𝑧 ∈ ran 𝑅 ∣ (𝑦𝑅𝑧𝑧𝑅𝑥)})
7170, 52eqsstr3d 3782 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑥𝐴𝑦𝐴)) → {𝑧 ∈ ran 𝑅 ∣ (𝑦𝑅𝑧𝑧𝑅𝑥)} ⊆ 𝐴)
7271ancom2s 879 . . . . . . . . . . 11 ((𝜑 ∧ (𝑦𝐴𝑥𝐴)) → {𝑧 ∈ ran 𝑅 ∣ (𝑦𝑅𝑧𝑧𝑅𝑥)} ⊆ 𝐴)
7354, 56, 59, 72ordtrest2lem 21230 . . . . . . . . . 10 (𝜑 → ∀𝑣 ∈ ran (𝑧 ∈ ran 𝑅 ↦ {𝑤 ∈ ran 𝑅 ∣ ¬ 𝑤𝑅𝑧})(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
74 vex 3344 . . . . . . . . . . . . . . . . . 18 𝑤 ∈ V
7574, 64brcnv 5461 . . . . . . . . . . . . . . . . 17 (𝑤𝑅𝑧𝑧𝑅𝑤)
7675bicomi 214 . . . . . . . . . . . . . . . 16 (𝑧𝑅𝑤𝑤𝑅𝑧)
7776a1i 11 . . . . . . . . . . . . . . 15 (𝜑 → (𝑧𝑅𝑤𝑤𝑅𝑧))
7877notbid 307 . . . . . . . . . . . . . 14 (𝜑 → (¬ 𝑧𝑅𝑤 ↔ ¬ 𝑤𝑅𝑧))
7958, 78rabeqbidv 3336 . . . . . . . . . . . . 13 (𝜑 → {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤} = {𝑤 ∈ ran 𝑅 ∣ ¬ 𝑤𝑅𝑧})
8058, 79mpteq12dv 4886 . . . . . . . . . . . 12 (𝜑 → (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}) = (𝑧 ∈ ran 𝑅 ↦ {𝑤 ∈ ran 𝑅 ∣ ¬ 𝑤𝑅𝑧}))
8180rneqd 5509 . . . . . . . . . . 11 (𝜑 → ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}) = ran (𝑧 ∈ ran 𝑅 ↦ {𝑤 ∈ ran 𝑅 ∣ ¬ 𝑤𝑅𝑧}))
82 cnvin 5699 . . . . . . . . . . . . . . 15 (𝑅 ∩ (𝐴 × 𝐴)) = (𝑅(𝐴 × 𝐴))
83 cnvxp 5710 . . . . . . . . . . . . . . . 16 (𝐴 × 𝐴) = (𝐴 × 𝐴)
8483ineq2i 3955 . . . . . . . . . . . . . . 15 (𝑅(𝐴 × 𝐴)) = (𝑅 ∩ (𝐴 × 𝐴))
8582, 84eqtri 2783 . . . . . . . . . . . . . 14 (𝑅 ∩ (𝐴 × 𝐴)) = (𝑅 ∩ (𝐴 × 𝐴))
8685fveq2i 6357 . . . . . . . . . . . . 13 (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) = (ordTop‘(𝑅 ∩ (𝐴 × 𝐴)))
87 psss 17436 . . . . . . . . . . . . . . 15 (𝑅 ∈ PosetRel → (𝑅 ∩ (𝐴 × 𝐴)) ∈ PosetRel)
883, 87syl 17 . . . . . . . . . . . . . 14 (𝜑 → (𝑅 ∩ (𝐴 × 𝐴)) ∈ PosetRel)
89 ordtcnv 21228 . . . . . . . . . . . . . 14 ((𝑅 ∩ (𝐴 × 𝐴)) ∈ PosetRel → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) = (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
9088, 89syl 17 . . . . . . . . . . . . 13 (𝜑 → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) = (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
9186, 90syl5reqr 2810 . . . . . . . . . . . 12 (𝜑 → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) = (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
9291eleq2d 2826 . . . . . . . . . . 11 (𝜑 → ((𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ↔ (𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴)))))
9381, 92raleqbidv 3292 . . . . . . . . . 10 (𝜑 → (∀𝑣 ∈ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ↔ ∀𝑣 ∈ ran (𝑧 ∈ ran 𝑅 ↦ {𝑤 ∈ ran 𝑅 ∣ ¬ 𝑤𝑅𝑧})(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴)))))
9473, 93mpbird 247 . . . . . . . . 9 (𝜑 → ∀𝑣 ∈ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
95 ralunb 3938 . . . . . . . . 9 (∀𝑣 ∈ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ↔ (∀𝑣 ∈ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧})(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ∧ ∀𝑣 ∈ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴)))))
9653, 94, 95sylanbrc 701 . . . . . . . 8 (𝜑 → ∀𝑣 ∈ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
97 ralunb 3938 . . . . . . . 8 (∀𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ↔ (∀𝑣 ∈ {𝑋} (𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ∧ ∀𝑣 ∈ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴)))))
9851, 96, 97sylanbrc 701 . . . . . . 7 (𝜑 → ∀𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
99 eqid 2761 . . . . . . . 8 (𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↦ (𝑣𝐴)) = (𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↦ (𝑣𝐴))
10099fmpt 6546 . . . . . . 7 (∀𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))(𝑣𝐴) ∈ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ↔ (𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↦ (𝑣𝐴)):({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))⟶(ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
10198, 100sylib 208 . . . . . 6 (𝜑 → (𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↦ (𝑣𝐴)):({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))⟶(ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
102 frn 6215 . . . . . 6 ((𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↦ (𝑣𝐴)):({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤})))⟶(ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) → ran (𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↦ (𝑣𝐴)) ⊆ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
103101, 102syl 17 . . . . 5 (𝜑 → ran (𝑣 ∈ ({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↦ (𝑣𝐴)) ⊆ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
10434, 103eqsstrd 3781 . . . 4 (𝜑 → (({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↾t 𝐴) ⊆ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
105 tgfiss 21018 . . . 4 (((ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) ∈ Top ∧ (({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↾t 𝐴) ⊆ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴)))) → (topGen‘(fi‘(({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↾t 𝐴))) ⊆ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
10627, 104, 105syl2anc 696 . . 3 (𝜑 → (topGen‘(fi‘(({𝑋} ∪ (ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑤𝑅𝑧}) ∪ ran (𝑧𝑋 ↦ {𝑤𝑋 ∣ ¬ 𝑧𝑅𝑤}))) ↾t 𝐴))) ⊆ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
10723, 106eqsstrd 3781 . 2 (𝜑 → ((ordTop‘𝑅) ↾t 𝐴) ⊆ (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))))
10811, 107eqssd 3762 1 (𝜑 → (ordTop‘(𝑅 ∩ (𝐴 × 𝐴))) = ((ordTop‘𝑅) ↾t 𝐴))
 Colors of variables: wff setvar class Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 196   ∧ wa 383   = wceq 1632   ∈ wcel 2140  ∀wral 3051  {crab 3055  Vcvv 3341   ∪ cun 3714   ∩ cin 3715   ⊆ wss 3716  {csn 4322  ∪ cuni 4589   class class class wbr 4805   ↦ cmpt 4882   × cxp 5265  ◡ccnv 5266  dom cdm 5267  ran crn 5268  ⟶wf 6046  ‘cfv 6050  (class class class)co 6815  ficfi 8484   ↾t crest 16304  topGenctg 16321  ordTopcordt 16382  PosetRelcps 17420   TosetRel ctsr 17421  Topctop 20921  TopOnctopon 20938  TopBasesctb 20972 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1871  ax-4 1886  ax-5 1989  ax-6 2055  ax-7 2091  ax-8 2142  ax-9 2149  ax-10 2169  ax-11 2184  ax-12 2197  ax-13 2392  ax-ext 2741  ax-rep 4924  ax-sep 4934  ax-nul 4942  ax-pow 4993  ax-pr 5056  ax-un 7116 This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1073  df-3an 1074  df-tru 1635  df-ex 1854  df-nf 1859  df-sb 2048  df-eu 2612  df-mo 2613  df-clab 2748  df-cleq 2754  df-clel 2757  df-nfc 2892  df-ne 2934  df-ral 3056  df-rex 3057  df-reu 3058  df-rab 3060  df-v 3343  df-sbc 3578  df-csb 3676  df-dif 3719  df-un 3721  df-in 3723  df-ss 3730  df-pss 3732  df-nul 4060  df-if 4232  df-pw 4305  df-sn 4323  df-pr 4325  df-tp 4327  df-op 4329  df-uni 4590  df-int 4629  df-iun 4675  df-iin 4676  df-br 4806  df-opab 4866  df-mpt 4883  df-tr 4906  df-id 5175  df-eprel 5180  df-po 5188  df-so 5189  df-fr 5226  df-we 5228  df-xp 5273  df-rel 5274  df-cnv 5275  df-co 5276  df-dm 5277  df-rn 5278  df-res 5279  df-ima 5280  df-pred 5842  df-ord 5888  df-on 5889  df-lim 5890  df-suc 5891  df-iota 6013  df-fun 6052  df-fn 6053  df-f 6054  df-f1 6055  df-fo 6056  df-f1o 6057  df-fv 6058  df-ov 6818  df-oprab 6819  df-mpt2 6820  df-om 7233  df-1st 7335  df-2nd 7336  df-wrecs 7578  df-recs 7639  df-rdg 7677  df-1o 7731  df-oadd 7735  df-er 7914  df-en 8125  df-dom 8126  df-fin 8128  df-fi 8485  df-rest 16306  df-topgen 16327  df-ordt 16384  df-ps 17422  df-tsr 17423  df-top 20922  df-topon 20939  df-bases 20973 This theorem is referenced by:  ordtrestixx  21249  cnvordtrestixx  30290
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