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Theorem ordtypelem7 8312
Description: Lemma for ordtype 8320. 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 3550 . . . . . 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 8309 . . . . . . . . . . 11 (𝜑𝑂:(𝑇 ∩ dom 𝐹)⟶𝐴)
109adantr 480 . . . . . . . . . 10 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → 𝑂:(𝑇 ∩ dom 𝐹)⟶𝐴)
11 fdm 5964 . . . . . . . . . 10 (𝑂:(𝑇 ∩ dom 𝐹)⟶𝐴 → dom 𝑂 = (𝑇 ∩ dom 𝐹))
1210, 11syl 17 . . . . . . . . 9 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → dom 𝑂 = (𝑇 ∩ dom 𝐹))
13 inss1 3795 . . . . . . . . . 10 (𝑇 ∩ dom 𝐹) ⊆ 𝑇
142, 3, 4, 5, 6, 7, 8ordtypelem2 8307 . . . . . . . . . . . 12 (𝜑 → Ord 𝑇)
1514adantr 480 . . . . . . . . . . 11 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → Ord 𝑇)
16 ordsson 6881 . . . . . . . . . . 11 (Ord 𝑇𝑇 ⊆ On)
1715, 16syl 17 . . . . . . . . . 10 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → 𝑇 ⊆ On)
1813, 17syl5ss 3579 . . . . . . . . 9 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑇 ∩ dom 𝐹) ⊆ On)
1912, 18eqsstrd 3602 . . . . . . . 8 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → dom 𝑂 ⊆ On)
2019sseld 3567 . . . . . . 7 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑀 ∈ dom 𝑂𝑀 ∈ On))
21 eleq1 2676 . . . . . . . . . . 11 (𝑎 = 𝑏 → (𝑎 ∈ dom 𝑂𝑏 ∈ dom 𝑂))
22 fveq2 6103 . . . . . . . . . . . 12 (𝑎 = 𝑏 → (𝑂𝑎) = (𝑂𝑏))
2322breq1d 4593 . . . . . . . . . . 11 (𝑎 = 𝑏 → ((𝑂𝑎)𝑅𝑁 ↔ (𝑂𝑏)𝑅𝑁))
2421, 23imbi12d 333 . . . . . . . . . 10 (𝑎 = 𝑏 → ((𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁) ↔ (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)))
2524imbi2d 329 . . . . . . . . 9 (𝑎 = 𝑏 → (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁)) ↔ ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁))))
26 eleq1 2676 . . . . . . . . . . 11 (𝑎 = 𝑀 → (𝑎 ∈ dom 𝑂𝑀 ∈ dom 𝑂))
27 fveq2 6103 . . . . . . . . . . . 12 (𝑎 = 𝑀 → (𝑂𝑎) = (𝑂𝑀))
2827breq1d 4593 . . . . . . . . . . 11 (𝑎 = 𝑀 → ((𝑂𝑎)𝑅𝑁 ↔ (𝑂𝑀)𝑅𝑁))
2926, 28imbi12d 333 . . . . . . . . . 10 (𝑎 = 𝑀 → ((𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁) ↔ (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁)))
3029imbi2d 329 . . . . . . . . 9 (𝑎 = 𝑀 → (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁)) ↔ ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁))))
31 r19.21v 2943 . . . . . . . . . 10 (∀𝑏𝑎 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)) ↔ ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → ∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)))
322tfr1a 7377 . . . . . . . . . . . . . . . . . . . . . . 23 (Fun 𝐹 ∧ Lim dom 𝐹)
3332simpri 477 . . . . . . . . . . . . . . . . . . . . . 22 Lim dom 𝐹
34 limord 5701 . . . . . . . . . . . . . . . . . . . . . 22 (Lim dom 𝐹 → Ord dom 𝐹)
3533, 34ax-mp 5 . . . . . . . . . . . . . . . . . . . . 21 Ord dom 𝐹
36 ordin 5670 . . . . . . . . . . . . . . . . . . . . 21 ((Ord 𝑇 ∧ Ord dom 𝐹) → Ord (𝑇 ∩ dom 𝐹))
3715, 35, 36sylancl 693 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → Ord (𝑇 ∩ dom 𝐹))
38 ordeq 5647 . . . . . . . . . . . . . . . . . . . . 21 (dom 𝑂 = (𝑇 ∩ dom 𝐹) → (Ord dom 𝑂 ↔ Ord (𝑇 ∩ dom 𝐹)))
3912, 38syl 17 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (Ord dom 𝑂 ↔ Ord (𝑇 ∩ dom 𝐹)))
4037, 39mpbird 246 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → Ord dom 𝑂)
41 ordelss 5656 . . . . . . . . . . . . . . . . . . 19 ((Ord dom 𝑂𝑎 ∈ dom 𝑂) → 𝑎 ⊆ dom 𝑂)
4240, 41sylan 487 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) → 𝑎 ⊆ dom 𝑂)
4342sselda 3568 . . . . . . . . . . . . . . . . 17 ((((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) ∧ 𝑏𝑎) → 𝑏 ∈ dom 𝑂)
44 pm5.5 350 . . . . . . . . . . . . . . . . 17 (𝑏 ∈ dom 𝑂 → ((𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) ↔ (𝑂𝑏)𝑅𝑁))
4543, 44syl 17 . . . . . . . . . . . . . . . 16 ((((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) ∧ 𝑏𝑎) → ((𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) ↔ (𝑂𝑏)𝑅𝑁))
4645ralbidva 2968 . . . . . . . . . . . . . . 15 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) → (∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) ↔ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁))
47 eldifn 3695 . . . . . . . . . . . . . . . . . . 19 (𝑁 ∈ (𝐴 ∖ ran 𝑂) → ¬ 𝑁 ∈ ran 𝑂)
4847ad2antlr 759 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ¬ 𝑁 ∈ ran 𝑂)
499ad2antrr 758 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑂:(𝑇 ∩ dom 𝐹)⟶𝐴)
50 ffn 5958 . . . . . . . . . . . . . . . . . . . . 21 (𝑂:(𝑇 ∩ dom 𝐹)⟶𝐴𝑂 Fn (𝑇 ∩ dom 𝐹))
5149, 50syl 17 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑂 Fn (𝑇 ∩ dom 𝐹))
52 simprl 790 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎 ∈ dom 𝑂)
5349, 11syl 17 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → dom 𝑂 = (𝑇 ∩ dom 𝐹))
5452, 53eleqtrd 2690 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎 ∈ (𝑇 ∩ dom 𝐹))
55 fnfvelrn 6264 . . . . . . . . . . . . . . . . . . . 20 ((𝑂 Fn (𝑇 ∩ dom 𝐹) ∧ 𝑎 ∈ (𝑇 ∩ dom 𝐹)) → (𝑂𝑎) ∈ ran 𝑂)
5651, 54, 55syl2anc 691 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎) ∈ ran 𝑂)
57 eleq1 2676 . . . . . . . . . . . . . . . . . . 19 ((𝑂𝑎) = 𝑁 → ((𝑂𝑎) ∈ ran 𝑂𝑁 ∈ ran 𝑂))
5856, 57syl5ibcom 234 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ((𝑂𝑎) = 𝑁𝑁 ∈ ran 𝑂))
5948, 58mtod 188 . . . . . . . . . . . . . . . . 17 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ¬ (𝑂𝑎) = 𝑁)
60 eldifi 3694 . . . . . . . . . . . . . . . . . . . 20 (𝑁 ∈ (𝐴 ∖ ran 𝑂) → 𝑁𝐴)
6160ad2antlr 759 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑁𝐴)
62 simprr 792 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)
632, 3, 4, 5, 6, 7, 8ordtypelem1 8306 . . . . . . . . . . . . . . . . . . . . . . 23 (𝜑𝑂 = (𝐹𝑇))
6463ad2antrr 758 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑂 = (𝐹𝑇))
6542adantrr 749 . . . . . . . . . . . . . . . . . . . . . . . 24 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎 ⊆ dom 𝑂)
6665, 53sseqtrd 3604 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎 ⊆ (𝑇 ∩ dom 𝐹))
6766, 13syl6ss 3580 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎𝑇)
68 fveq1 6102 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑂 = (𝐹𝑇) → (𝑂𝑏) = ((𝐹𝑇)‘𝑏))
69 ssel2 3563 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((𝑎𝑇𝑏𝑎) → 𝑏𝑇)
70 fvres 6117 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝑏𝑇 → ((𝐹𝑇)‘𝑏) = (𝐹𝑏))
7169, 70syl 17 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((𝑎𝑇𝑏𝑎) → ((𝐹𝑇)‘𝑏) = (𝐹𝑏))
7268, 71sylan9eq 2664 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑂 = (𝐹𝑇) ∧ (𝑎𝑇𝑏𝑎)) → (𝑂𝑏) = (𝐹𝑏))
7372anassrs 678 . . . . . . . . . . . . . . . . . . . . . . . 24 (((𝑂 = (𝐹𝑇) ∧ 𝑎𝑇) ∧ 𝑏𝑎) → (𝑂𝑏) = (𝐹𝑏))
7473breq1d 4593 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝑂 = (𝐹𝑇) ∧ 𝑎𝑇) ∧ 𝑏𝑎) → ((𝑂𝑏)𝑅𝑁 ↔ (𝐹𝑏)𝑅𝑁))
7574ralbidva 2968 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑂 = (𝐹𝑇) ∧ 𝑎𝑇) → (∀𝑏𝑎 (𝑂𝑏)𝑅𝑁 ↔ ∀𝑏𝑎 (𝐹𝑏)𝑅𝑁))
7664, 67, 75syl2anc 691 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (∀𝑏𝑎 (𝑂𝑏)𝑅𝑁 ↔ ∀𝑏𝑎 (𝐹𝑏)𝑅𝑁))
7762, 76mpbid 221 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ∀𝑏𝑎 (𝐹𝑏)𝑅𝑁)
7832simpli 473 . . . . . . . . . . . . . . . . . . . . . 22 Fun 𝐹
79 funfn 5833 . . . . . . . . . . . . . . . . . . . . . 22 (Fun 𝐹𝐹 Fn dom 𝐹)
8078, 79mpbi 219 . . . . . . . . . . . . . . . . . . . . 21 𝐹 Fn dom 𝐹
81 inss2 3796 . . . . . . . . . . . . . . . . . . . . . 22 (𝑇 ∩ dom 𝐹) ⊆ dom 𝐹
8266, 81syl6ss 3580 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎 ⊆ dom 𝐹)
83 breq1 4586 . . . . . . . . . . . . . . . . . . . . . 22 (𝑗 = (𝐹𝑏) → (𝑗𝑅𝑁 ↔ (𝐹𝑏)𝑅𝑁))
8483ralima 6402 . . . . . . . . . . . . . . . . . . . . 21 ((𝐹 Fn dom 𝐹𝑎 ⊆ dom 𝐹) → (∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑁 ↔ ∀𝑏𝑎 (𝐹𝑏)𝑅𝑁))
8580, 82, 84sylancr 694 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑁 ↔ ∀𝑏𝑎 (𝐹𝑏)𝑅𝑁))
8677, 85mpbird 246 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑁)
87 breq2 4587 . . . . . . . . . . . . . . . . . . . . 21 (𝑤 = 𝑁 → (𝑗𝑅𝑤𝑗𝑅𝑁))
8887ralbidv 2969 . . . . . . . . . . . . . . . . . . . 20 (𝑤 = 𝑁 → (∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤 ↔ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑁))
8988elrab 3331 . . . . . . . . . . . . . . . . . . 19 (𝑁 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ↔ (𝑁𝐴 ∧ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑁))
9061, 86, 89sylanbrc 695 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑁 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤})
9164fveq1d 6105 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎) = ((𝐹𝑇)‘𝑎))
9213, 54sseldi 3566 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑎𝑇)
93 fvres 6117 . . . . . . . . . . . . . . . . . . . . . 22 (𝑎𝑇 → ((𝐹𝑇)‘𝑎) = (𝐹𝑎))
9492, 93syl 17 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ((𝐹𝑇)‘𝑎) = (𝐹𝑎))
9591, 94eqtrd 2644 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎) = (𝐹𝑎))
96 simpll 786 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝜑)
972, 3, 4, 5, 6, 7, 8ordtypelem3 8308 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑎 ∈ (𝑇 ∩ dom 𝐹)) → (𝐹𝑎) ∈ {𝑣 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ∣ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅𝑣})
9896, 54, 97syl2anc 691 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝐹𝑎) ∈ {𝑣 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ∣ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅𝑣})
9995, 98eqeltrd 2688 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎) ∈ {𝑣 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ∣ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅𝑣})
100 breq2 4587 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑣 = (𝑂𝑎) → (𝑢𝑅𝑣𝑢𝑅(𝑂𝑎)))
101100notbid 307 . . . . . . . . . . . . . . . . . . . . . 22 (𝑣 = (𝑂𝑎) → (¬ 𝑢𝑅𝑣 ↔ ¬ 𝑢𝑅(𝑂𝑎)))
102101ralbidv 2969 . . . . . . . . . . . . . . . . . . . . 21 (𝑣 = (𝑂𝑎) → (∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅𝑣 ↔ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅(𝑂𝑎)))
103102elrab 3331 . . . . . . . . . . . . . . . . . . . 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)))
104103simprbi 479 . . . . . . . . . . . . . . . . . . 19 ((𝑂𝑎) ∈ {𝑣 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ∣ ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅𝑣} → ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅(𝑂𝑎))
10599, 104syl 17 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅(𝑂𝑎))
106 breq1 4586 . . . . . . . . . . . . . . . . . . . 20 (𝑢 = 𝑁 → (𝑢𝑅(𝑂𝑎) ↔ 𝑁𝑅(𝑂𝑎)))
107106notbid 307 . . . . . . . . . . . . . . . . . . 19 (𝑢 = 𝑁 → (¬ 𝑢𝑅(𝑂𝑎) ↔ ¬ 𝑁𝑅(𝑂𝑎)))
108107rspcv 3278 . . . . . . . . . . . . . . . . . 18 (𝑁 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} → (∀𝑢 ∈ {𝑤𝐴 ∣ ∀𝑗 ∈ (𝐹𝑎)𝑗𝑅𝑤} ¬ 𝑢𝑅(𝑂𝑎) → ¬ 𝑁𝑅(𝑂𝑎)))
10990, 105, 108sylc 63 . . . . . . . . . . . . . . . . 17 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ¬ 𝑁𝑅(𝑂𝑎))
110 weso 5029 . . . . . . . . . . . . . . . . . . . . 21 (𝑅 We 𝐴𝑅 Or 𝐴)
1117, 110syl 17 . . . . . . . . . . . . . . . . . . . 20 (𝜑𝑅 Or 𝐴)
112111ad2antrr 758 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → 𝑅 Or 𝐴)
11349, 54ffvelrnd 6268 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎) ∈ 𝐴)
114 sotric 4985 . . . . . . . . . . . . . . . . . . 19 ((𝑅 Or 𝐴 ∧ ((𝑂𝑎) ∈ 𝐴𝑁𝐴)) → ((𝑂𝑎)𝑅𝑁 ↔ ¬ ((𝑂𝑎) = 𝑁𝑁𝑅(𝑂𝑎))))
115112, 113, 61, 114syl12anc 1316 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ((𝑂𝑎)𝑅𝑁 ↔ ¬ ((𝑂𝑎) = 𝑁𝑁𝑅(𝑂𝑎))))
116 ioran 510 . . . . . . . . . . . . . . . . . 18 (¬ ((𝑂𝑎) = 𝑁𝑁𝑅(𝑂𝑎)) ↔ (¬ (𝑂𝑎) = 𝑁 ∧ ¬ 𝑁𝑅(𝑂𝑎)))
117115, 116syl6bb 275 . . . . . . . . . . . . . . . . 17 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → ((𝑂𝑎)𝑅𝑁 ↔ (¬ (𝑂𝑎) = 𝑁 ∧ ¬ 𝑁𝑅(𝑂𝑎))))
11859, 109, 117mpbir2and 959 . . . . . . . . . . . . . . . 16 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ (𝑎 ∈ dom 𝑂 ∧ ∀𝑏𝑎 (𝑂𝑏)𝑅𝑁)) → (𝑂𝑎)𝑅𝑁)
119118expr 641 . . . . . . . . . . . . . . 15 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) → (∀𝑏𝑎 (𝑂𝑏)𝑅𝑁 → (𝑂𝑎)𝑅𝑁))
12046, 119sylbid 229 . . . . . . . . . . . . . 14 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) ∧ 𝑎 ∈ dom 𝑂) → (∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) → (𝑂𝑎)𝑅𝑁))
121120ex 449 . . . . . . . . . . . . 13 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) → (𝑂𝑎)𝑅𝑁)))
122121com23 84 . . . . . . . . . . . 12 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁)))
123122a2i 14 . . . . . . . . . . 11 (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → ∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)) → ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁)))
124123a1i 11 . . . . . . . . . 10 (𝑎 ∈ On → (((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → ∀𝑏𝑎 (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)) → ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁))))
12531, 124syl5bi 231 . . . . . . . . 9 (𝑎 ∈ On → (∀𝑏𝑎 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑏 ∈ dom 𝑂 → (𝑂𝑏)𝑅𝑁)) → ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑎 ∈ dom 𝑂 → (𝑂𝑎)𝑅𝑁))))
12625, 30, 125tfis3 6949 . . . . . . . 8 (𝑀 ∈ On → ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁)))
127126com3l 87 . . . . . . 7 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑀 ∈ dom 𝑂 → (𝑀 ∈ On → (𝑂𝑀)𝑅𝑁)))
12820, 127mpdd 42 . . . . . 6 ((𝜑𝑁 ∈ (𝐴 ∖ ran 𝑂)) → (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁))
1291, 128sylan2br 492 . . . . 5 ((𝜑 ∧ (𝑁𝐴 ∧ ¬ 𝑁 ∈ ran 𝑂)) → (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁))
130129anassrs 678 . . . 4 (((𝜑𝑁𝐴) ∧ ¬ 𝑁 ∈ ran 𝑂) → (𝑀 ∈ dom 𝑂 → (𝑂𝑀)𝑅𝑁))
131130impancom 455 . . 3 (((𝜑𝑁𝐴) ∧ 𝑀 ∈ dom 𝑂) → (¬ 𝑁 ∈ ran 𝑂 → (𝑂𝑀)𝑅𝑁))
132131orrd 392 . 2 (((𝜑𝑁𝐴) ∧ 𝑀 ∈ dom 𝑂) → (𝑁 ∈ ran 𝑂 ∨ (𝑂𝑀)𝑅𝑁))
133132orcomd 402 1 (((𝜑𝑁𝐴) ∧ 𝑀 ∈ dom 𝑂) → ((𝑂𝑀)𝑅𝑁𝑁 ∈ ran 𝑂))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 195  wo 382  wa 383   = wceq 1475  wcel 1977  wral 2896  wrex 2897  {crab 2900  Vcvv 3173  cdif 3537  cin 3539  wss 3540   class class class wbr 4583  cmpt 4643   Or wor 4958   Se wse 4995   We wwe 4996  dom cdm 5038  ran crn 5039  cres 5040  cima 5041  Ord word 5639  Oncon0 5640  Lim wlim 5641  Fun wfun 5798   Fn wfn 5799  wf 5800  cfv 5804  crio 6510  recscrecs 7354  OrdIsocoi 8297
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847
This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-ral 2901  df-rex 2902  df-reu 2903  df-rmo 2904  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4373  df-iun 4457  df-br 4584  df-opab 4644  df-mpt 4645  df-tr 4681  df-eprel 4949  df-id 4953  df-po 4959  df-so 4960  df-fr 4997  df-se 4998  df-we 4999  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-pred 5597  df-ord 5643  df-on 5644  df-lim 5645  df-suc 5646  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-riota 6511  df-wrecs 7294  df-recs 7355  df-oi 8298
This theorem is referenced by:  ordtypelem9  8314  ordtypelem10  8315  oiiniseg  8321
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