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Theorem ordtypelem7 8976
 Description: Lemma for ordtype 8984. ran 𝑂 is an initial segment of 𝐴 under the well-order 𝑅. (Contributed by Mario Carneiro, 25-Jun-2015.)
Hypotheses
Ref Expression
ordtypelem.1 𝐹 = recs(𝐺)
ordtypelem.2 𝐶 = {𝑤𝐴 ∣ ∀𝑗 ∈ ran 𝑗𝑅𝑤}
ordtypelem.3 𝐺 = ( ∈ V ↦ (𝑣𝐶𝑢𝐶 ¬ 𝑢𝑅𝑣))
ordtypelem.5 𝑇 = {𝑥 ∈ On ∣ ∃𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡}
ordtypelem.6 𝑂 = OrdIso(𝑅, 𝐴)
ordtypelem.7 (𝜑𝑅 We 𝐴)
ordtypelem.8 (𝜑𝑅 Se 𝐴)
Assertion
Ref Expression
ordtypelem7 (((𝜑𝑁𝐴) ∧ 𝑀 ∈ dom 𝑂) → ((𝑂𝑀)𝑅𝑁𝑁 ∈ ran 𝑂))
Distinct variable groups:   𝑣,𝑢,𝐶   ,𝑗,𝑡,𝑢,𝑣,𝑤,𝑥,𝑧,𝑀   𝑗,𝑁,𝑢,𝑤   𝑅,,𝑗,𝑡,𝑢,𝑣,𝑤,𝑥,𝑧   𝐴,,𝑗,𝑡,𝑢,𝑣,𝑤,𝑥,𝑧   𝑡,𝑂,𝑢,𝑣,𝑥   𝜑,𝑡,𝑥   ,𝐹,𝑗,𝑡,𝑢,𝑣,𝑤,𝑥,𝑧
Allowed substitution hints:   𝜑(𝑧,𝑤,𝑣,𝑢,,𝑗)   𝐶(𝑥,𝑧,𝑤,𝑡,,𝑗)   𝑇(𝑥,𝑧,𝑤,𝑣,𝑢,𝑡,,𝑗)   𝐺(𝑥,𝑧,𝑤,𝑣,𝑢,𝑡,,𝑗)   𝑁(𝑥,𝑧,𝑣,𝑡,)   𝑂(𝑧,𝑤,,𝑗)

Proof of Theorem ordtypelem7
Dummy variables 𝑎 𝑏 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eldif 3894 . . . . . 6 (𝑁 ∈ (𝐴 ∖ ran 𝑂) ↔ (𝑁𝐴 ∧ ¬ 𝑁 ∈ ran 𝑂))
2 ordtypelem.1 . . . . . . . . . . . 12 𝐹 = recs(𝐺)
3 ordtypelem.2 . . . . . . . . . . . 12 𝐶 = {𝑤𝐴 ∣ ∀𝑗 ∈ ran 𝑗𝑅𝑤}
4 ordtypelem.3 . . . . . . . . . . . 12 𝐺 = ( ∈ V ↦ (𝑣𝐶𝑢𝐶 ¬ 𝑢𝑅𝑣))
5 ordtypelem.5 . . . . . . . . . . . 12 𝑇 = {𝑥 ∈ On ∣ ∃𝑡𝐴𝑧 ∈ (𝐹𝑥)𝑧𝑅𝑡}
6 ordtypelem.6 . . . . . . . . . . . 12 𝑂 = OrdIso(𝑅, 𝐴)
7 ordtypelem.7 . . . . . . . . . . . 12 (𝜑𝑅 We 𝐴)
8 ordtypelem.8 . . . . . . . . . . . 12 (𝜑𝑅 Se 𝐴)
92, 3, 4, 5, 6, 7, 8ordtypelem4 8973 . . . . . . . . . . 11 (𝜑𝑂:(𝑇 ∩ dom 𝐹)⟶𝐴)
109adantr 484 . . . . . . . . . 10 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → 𝑂:(𝑇 ∩ dom 𝐹)⟶𝐴)
1110fdmd 6501 . . . . . . . . 9 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → dom 𝑂 = (𝑇 ∩ dom 𝐹))
12 inss1 4158 . . . . . . . . . 10 (𝑇 ∩ dom 𝐹) ⊆ 𝑇
132, 3, 4, 5, 6, 7, 8ordtypelem2 8971 . . . . . . . . . . . 12 (𝜑 → Ord 𝑇)
1413adantr 484 . . . . . . . . . . 11 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → Ord 𝑇)
15 ordsson 7488 . . . . . . . . . . 11 (Ord 𝑇𝑇 ⊆ On)
1614, 15syl 17 . . . . . . . . . 10 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → 𝑇 ⊆ On)
1712, 16sstrid 3929 . . . . . . . . 9 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑇 ∩ dom 𝐹) ⊆ On)
1811, 17eqsstrd 3956 . . . . . . . 8 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → dom 𝑂 ⊆ On)
1918sseld 3917 . . . . . . 7 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑀 ∈ dom 𝑂𝑀 ∈ On))
20 eleq1 2880 . . . . . . . . . . 11 (𝑎 = 𝑏 → (𝑎 ∈ dom 𝑂𝑏 ∈ dom 𝑂))
21 fveq2 6649 . . . . . . . . . . . 12 (𝑎 = 𝑏 → (𝑂𝑎) = (𝑂𝑏))
2221breq1d 5043 . . . . . . . . . . 11 (𝑎 = 𝑏 → ((𝑂𝑎)𝑅𝑁 ↔ (𝑂𝑏)𝑅𝑁))
2320, 22imbi12d 348 . . . . . . . . . 10 (𝑎 = 𝑏 → ((𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁) ↔ (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)))
2423imbi2d 344 . . . . . . . . 9 (𝑎 = 𝑏 → (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁)) ↔ ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁))))
25 eleq1 2880 . . . . . . . . . . 11 (𝑎 = 𝑀 → (𝑎 ∈ dom 𝑂𝑀 ∈ dom 𝑂))
26 fveq2 6649 . . . . . . . . . . . 12 (𝑎 = 𝑀 → (𝑂𝑎) = (𝑂𝑀))
2726breq1d 5043 . . . . . . . . . . 11 (𝑎 = 𝑀 → ((𝑂𝑎)𝑅𝑁 ↔ (𝑂𝑀)𝑅𝑁))
2825, 27imbi12d 348 . . . . . . . . . 10 (𝑎 = 𝑀 → ((𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁) ↔ (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁)))
2928imbi2d 344 . . . . . . . . 9 (𝑎 = 𝑀 → (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁)) ↔ ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁))))
30 r19.21v 3145 . . . . . . . . . 10 (∀𝑏𝑎 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)) ↔ ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → ∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)))
312tfr1a 8017 . . . . . . . . . . . . . . . . . . . . . . 23 (Fun 𝐹 ∧ Lim dom 𝐹)
3231simpri 489 . . . . . . . . . . . . . . . . . . . . . 22 Lim dom 𝐹
33 limord 6222 . . . . . . . . . . . . . . . . . . . . . 22 (Lim dom 𝐹 → Ord dom 𝐹)
3432, 33ax-mp 5 . . . . . . . . . . . . . . . . . . . . 21 Ord dom 𝐹
35 ordin 6193 . . . . . . . . . . . . . . . . . . . . 21 ((Ord 𝑇 ∧ Ord dom 𝐹) → Ord (𝑇 ∩ dom 𝐹))
3614, 34, 35sylancl 589 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → Ord (𝑇 ∩ dom 𝐹))
37 ordeq 6170 . . . . . . . . . . . . . . . . . . . . 21 (dom 𝑂 = (𝑇 ∩ dom 𝐹) → (Ord dom 𝑂 ↔ Ord (𝑇 ∩ dom 𝐹)))
3811, 37syl 17 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (Ord dom 𝑂 ↔ Ord (𝑇 ∩ dom 𝐹)))
3936, 38mpbird 260 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → Ord dom 𝑂)
40 ordelss 6179 . . . . . . . . . . . . . . . . . . 19 ((Ord dom 𝑂𝑎 ∈ dom 𝑂) → 𝑎 ⊆ dom 𝑂)
4139, 40sylan 583 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) → 𝑎 ⊆ dom 𝑂)
4241sselda 3918 . . . . . . . . . . . . . . . . 17 ((((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) ∧ 𝑏𝑎) → 𝑏 ∈ dom 𝑂)
43 pm5.5 365 . . . . . . . . . . . . . . . . 17 (𝑏 ∈ dom 𝑂 → ((𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) ↔ (𝑂𝑏)𝑅𝑁))
4442, 43syl 17 . . . . . . . . . . . . . . . 16 ((((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) ∧ 𝑏𝑎) → ((𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) ↔ (𝑂𝑏)𝑅𝑁))
4544ralbidva 3164 . . . . . . . . . . . . . . 15 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) → (∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) ↔ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁))
46 eldifn 4058 . . . . . . . . . . . . . . . . . . 19 (𝑁 ∈ (𝐴 ∖ ran 𝑂) → ¬ 𝑁 ∈ ran 𝑂)
4746ad2antlr 726 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ¬ 𝑁 ∈ ran 𝑂)
489ad2antrr 725 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑂:(𝑇 ∩ dom 𝐹)⟶𝐴)
4948ffnd 6492 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑂 Fn (𝑇 ∩ dom 𝐹))
50 simprl 770 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎 ∈ dom 𝑂)
5148fdmd 6501 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → dom 𝑂 = (𝑇 ∩ dom 𝐹))
5250, 51eleqtrd 2895 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎 ∈ (𝑇 ∩ dom 𝐹))
53 fnfvelrn 6829 . . . . . . . . . . . . . . . . . . . 20 ((𝑂 Fn (𝑇 ∩ dom 𝐹) ∧ 𝑎 ∈ (𝑇 ∩ dom 𝐹)) → (𝑂𝑎) ∈ ran 𝑂)
5449, 52, 53syl2anc 587 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎) ∈ ran 𝑂)
55 eleq1 2880 . . . . . . . . . . . . . . . . . . 19 ((𝑂𝑎) = 𝑁 → ((𝑂𝑎) ∈ ran 𝑂𝑁 ∈ ran 𝑂))
5654, 55syl5ibcom 248 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ((𝑂𝑎) = 𝑁𝑁 ∈ ran 𝑂))
5747, 56mtod 201 . . . . . . . . . . . . . . . . 17 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ¬ (𝑂𝑎) = 𝑁)
58 breq1 5036 . . . . . . . . . . . . . . . . . . 19 (𝑢 = 𝑁 → (𝑢𝑅(𝑂𝑎) ↔ 𝑁𝑅(𝑂𝑎)))
5958notbid 321 . . . . . . . . . . . . . . . . . 18 (𝑢 = 𝑁 → (¬ 𝑢𝑅(𝑂𝑎) ↔ ¬ 𝑁𝑅(𝑂𝑎)))
602, 3, 4, 5, 6, 7, 8ordtypelem1 8970 . . . . . . . . . . . . . . . . . . . . . . 23 (𝜑𝑂 = (𝐹𝑇))
6160ad2antrr 725 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑂 = (𝐹𝑇))
6261fveq1d 6651 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎) = ((𝐹𝑇)‘𝑎))
6352elin1d 4128 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎𝑇)
6463fvresd 6669 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ((𝐹𝑇)‘𝑎) = (𝐹𝑎))
6562, 64eqtrd 2836 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎) = (𝐹𝑎))
66 simpll 766 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝜑)
672, 3, 4, 5, 6, 7, 8ordtypelem3 8972 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑎 ∈ (𝑇 ∩ dom 𝐹)) → (𝐹𝑎) ∈ {𝑣 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ∣ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅𝑣})
6866, 52, 67syl2anc 587 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝐹𝑎) ∈ {𝑣 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ∣ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅𝑣})
6965, 68eqeltrd 2893 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎) ∈ {𝑣 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ∣ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅𝑣})
70 breq2 5037 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑣 = (𝑂𝑎) → (𝑢𝑅𝑣𝑢𝑅(𝑂𝑎)))
7170notbid 321 . . . . . . . . . . . . . . . . . . . . . 22 (𝑣 = (𝑂𝑎) → (¬ 𝑢𝑅𝑣 ↔ ¬ 𝑢𝑅(𝑂𝑎)))
7271ralbidv 3165 . . . . . . . . . . . . . . . . . . . . 21 (𝑣 = (𝑂𝑎) → (∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅𝑣 ↔ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅(𝑂𝑎)))
7372elrab 3631 . . . . . . . . . . . . . . . . . . . 20 ((𝑂𝑎) ∈ {𝑣 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ∣ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅𝑣} ↔ ((𝑂𝑎) ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ∧ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅(𝑂𝑎)))
7473simprbi 500 . . . . . . . . . . . . . . . . . . 19 ((𝑂𝑎) ∈ {𝑣 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ∣ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅𝑣} → ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅(𝑂𝑎))
7569, 74syl 17 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅(𝑂𝑎))
76 breq2 5037 . . . . . . . . . . . . . . . . . . . 20 (𝑤 = 𝑁 → (𝑗𝑅𝑤𝑗𝑅𝑁))
7776ralbidv 3165 . . . . . . . . . . . . . . . . . . 19 (𝑤 = 𝑁 → (∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤 ↔ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑁))
78 eldifi 4057 . . . . . . . . . . . . . . . . . . . 20 (𝑁 ∈ (𝐴 ∖ ran 𝑂) → 𝑁𝐴)
7978ad2antlr 726 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑁𝐴)
80 simprr 772 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)
8141adantrr 716 . . . . . . . . . . . . . . . . . . . . . . . 24 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎 ⊆ dom 𝑂)
8248, 81fssdmd 6507 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎 ⊆ (𝑇 ∩ dom 𝐹))
8382, 12sstrdi 3930 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎𝑇)
84 fveq1 6648 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑂 = (𝐹𝑇) → (𝑂𝑏) = ((𝐹𝑇)‘𝑏))
85 ssel2 3913 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((𝑎𝑇𝑏𝑎) → 𝑏𝑇)
8685fvresd 6669 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((𝑎𝑇𝑏𝑎) → ((𝐹𝑇)‘𝑏) = (𝐹𝑏))
8784, 86sylan9eq 2856 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑂 = (𝐹𝑇) ∧ (𝑎𝑇𝑏𝑎)) → (𝑂𝑏) = (𝐹𝑏))
8887anassrs 471 . . . . . . . . . . . . . . . . . . . . . . . 24 (((𝑂 = (𝐹𝑇) ∧ 𝑎𝑇) ∧ 𝑏𝑎) → (𝑂𝑏) = (𝐹𝑏))
8988breq1d 5043 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝑂 = (𝐹𝑇) ∧ 𝑎𝑇) ∧ 𝑏𝑎) → ((𝑂𝑏)𝑅𝑁 ↔ (𝐹𝑏)𝑅𝑁))
9089ralbidva 3164 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑂 = (𝐹𝑇) ∧ 𝑎𝑇) → (∀𝑏𝑎 (𝑂𝑏)𝑅𝑁 ↔ ∀𝑏𝑎 (𝐹𝑏)𝑅𝑁))
9161, 83, 90syl2anc 587 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (∀𝑏𝑎 (𝑂𝑏)𝑅𝑁 ↔ ∀𝑏𝑎 (𝐹𝑏)𝑅𝑁))
9280, 91mpbid 235 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ∀𝑏𝑎 (𝐹𝑏)𝑅𝑁)
9331simpli 487 . . . . . . . . . . . . . . . . . . . . . 22 Fun 𝐹
94 funfn 6358 . . . . . . . . . . . . . . . . . . . . . 22 (Fun 𝐹𝐹 Fn dom 𝐹)
9593, 94mpbi 233 . . . . . . . . . . . . . . . . . . . . 21 𝐹 Fn dom 𝐹
96 inss2 4159 . . . . . . . . . . . . . . . . . . . . . 22 (𝑇 ∩ dom 𝐹) ⊆ dom 𝐹
9782, 96sstrdi 3930 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎 ⊆ dom 𝐹)
98 breq1 5036 . . . . . . . . . . . . . . . . . . . . . 22 (𝑗 = (𝐹𝑏) → (𝑗𝑅𝑁 ↔ (𝐹𝑏)𝑅𝑁))
9998ralima 6982 . . . . . . . . . . . . . . . . . . . . 21 ((𝐹 Fn dom 𝐹𝑎 ⊆ dom 𝐹) → (∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑁 ↔ ∀𝑏𝑎 (𝐹𝑏)𝑅𝑁))
10095, 97, 99sylancr 590 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑁 ↔ ∀𝑏𝑎 (𝐹𝑏)𝑅𝑁))
10192, 100mpbird 260 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑁)
10277, 79, 101elrabd 3633 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑁 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤})
10359, 75, 102rspcdva 3576 . . . . . . . . . . . . . . . . 17 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ¬ 𝑁𝑅(𝑂𝑎))
104 weso 5514 . . . . . . . . . . . . . . . . . . . . 21 (𝑅 We 𝐴𝑅 Or 𝐴)
1057, 104syl 17 . . . . . . . . . . . . . . . . . . . 20 (𝜑𝑅 Or 𝐴)
106105ad2antrr 725 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑅 Or 𝐴)
10748, 52ffvelrnd 6833 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎) ∈ 𝐴)
108 sotric 5469 . . . . . . . . . . . . . . . . . . 19 ((𝑅 Or 𝐴 ∧ ((𝑂𝑎) ∈ 𝐴𝑁𝐴)) → ((𝑂𝑎)𝑅𝑁 ↔ ¬ ((𝑂𝑎) = 𝑁𝑁𝑅(𝑂𝑎))))
109106, 107, 79, 108syl12anc 835 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ((𝑂𝑎)𝑅𝑁 ↔ ¬ ((𝑂𝑎) = 𝑁𝑁𝑅(𝑂𝑎))))
110 ioran 981 . . . . . . . . . . . . . . . . . 18 (¬ ((𝑂𝑎) = 𝑁𝑁𝑅(𝑂𝑎)) ↔ (¬ (𝑂𝑎) = 𝑁 ∧ ¬ 𝑁𝑅(𝑂𝑎)))
111109, 110syl6bb 290 . . . . . . . . . . . . . . . . 17 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ((𝑂𝑎)𝑅𝑁 ↔ (¬ (𝑂𝑎) = 𝑁 ∧ ¬ 𝑁𝑅(𝑂𝑎))))
11257, 103, 111mpbir2and 712 . . . . . . . . . . . . . . . 16 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎)𝑅𝑁)
113112expr 460 . . . . . . . . . . . . . . 15 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) → (∀𝑏𝑎 (𝑂𝑏)𝑅𝑁 → (𝑂𝑎)𝑅𝑁))
11445, 113sylbid 243 . . . . . . . . . . . . . 14 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) → (∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) → (𝑂𝑎)𝑅𝑁))
115114ex 416 . . . . . . . . . . . . 13 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) → (𝑂𝑎)𝑅𝑁)))
116115com23 86 . . . . . . . . . . . 12 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁)))
117116a2i 14 . . . . . . . . . . 11 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → ∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)) → ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁)))
118117a1i 11 . . . . . . . . . 10 (𝑎 ∈ On → (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → ∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)) → ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁))))
11930, 118syl5bi 245 . . . . . . . . 9 (𝑎 ∈ On → (∀𝑏𝑎 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)) → ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁))))
12024, 29, 119tfis3 7556 . . . . . . . 8 (𝑀 ∈ On → ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁)))
121120com3l 89 . . . . . . 7 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑀 ∈ dom 𝑂 → (𝑀 ∈ On → (𝑂𝑀)𝑅𝑁)))
12219, 121mpdd 43 . . . . . 6 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁))
1231, 122sylan2br 597 . . . . 5 ((𝜑 ∧ (𝑁𝐴 ∧ ¬ 𝑁 ∈ ran 𝑂)) → (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁))
124123anassrs 471 . . . 4 (((𝜑𝑁𝐴) ∧ ¬ 𝑁 ∈ ran 𝑂) → (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁))
125124impancom 455 . . 3 (((𝜑𝑁𝐴) ∧ 𝑀 ∈ dom 𝑂) → (¬ 𝑁 ∈ ran 𝑂 → (𝑂𝑀)𝑅𝑁))
126125orrd 860 . 2 (((𝜑𝑁𝐴) ∧ 𝑀 ∈ dom 𝑂) → (𝑁 ∈ ran 𝑂 ∨ (𝑂𝑀)𝑅𝑁))
127126orcomd 868 1 (((𝜑𝑁𝐴) ∧ 𝑀 ∈ dom 𝑂) → ((𝑂𝑀)𝑅𝑁𝑁 ∈ ran 𝑂))
 Colors of variables: wff setvar class Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 399   ∨ wo 844   = wceq 1538   ∈ wcel 2112  ∀wral 3109  ∃wrex 3110  {crab 3113  Vcvv 3444   ∖ cdif 3881   ∩ cin 3883   ⊆ wss 3884   class class class wbr 5033   ↦ cmpt 5113   Or wor 5441   Se wse 5480   We wwe 5481  dom cdm 5523  ran crn 5524   ↾ cres 5525   “ cima 5526  Ord word 6162  Oncon0 6163  Lim wlim 6164  Fun wfun 6322   Fn wfn 6323  ⟶wf 6324  ‘cfv 6328  ℩crio 7096  recscrecs 7994  OrdIsocoi 8961 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2114  ax-9 2122  ax-10 2143  ax-11 2159  ax-12 2176  ax-ext 2773  ax-sep 5170  ax-nul 5177  ax-pow 5234  ax-pr 5298  ax-un 7445 This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3or 1085  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2601  df-eu 2632  df-clab 2780  df-cleq 2794  df-clel 2873  df-nfc 2941  df-ne 2991  df-ral 3114  df-rex 3115  df-reu 3116  df-rmo 3117  df-rab 3118  df-v 3446  df-sbc 3724  df-csb 3832  df-dif 3887  df-un 3889  df-in 3891  df-ss 3901  df-pss 3903  df-nul 4247  df-if 4429  df-pw 4502  df-sn 4529  df-pr 4531  df-tp 4533  df-op 4535  df-uni 4804  df-iun 4886  df-br 5034  df-opab 5096  df-mpt 5114  df-tr 5140  df-id 5428  df-eprel 5433  df-po 5442  df-so 5443  df-fr 5482  df-se 5483  df-we 5484  df-xp 5529  df-rel 5530  df-cnv 5531  df-co 5532  df-dm 5533  df-rn 5534  df-res 5535  df-ima 5536  df-pred 6120  df-ord 6166  df-on 6167  df-lim 6168  df-suc 6169  df-iota 6287  df-fun 6330  df-fn 6331  df-f 6332  df-f1 6333  df-fo 6334  df-f1o 6335  df-fv 6336  df-riota 7097  df-wrecs 7934  df-recs 7995  df-oi 8962 This theorem is referenced by:  ordtypelem9  8978  ordtypelem10  8979  oiiniseg  8985
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