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Theorem nosupbnd1lem1 32131
Description: Lemma for nosupbnd1 32137. Establish a soft upper bound. (Contributed by Scott Fenton, 5-Dec-2021.)
Hypothesis
Ref Expression
nosupbnd1.1 𝑆 = if(∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦, ((𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦) ∪ {⟨dom (𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦), 2𝑜⟩}), (𝑔 ∈ {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥𝑢𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢𝑔) = 𝑥))))
Assertion
Ref Expression
nosupbnd1lem1 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → ¬ 𝑆 <s (𝑈 ↾ dom 𝑆))
Distinct variable groups:   𝐴,𝑔,𝑢,𝑣,𝑥,𝑦   𝑣,𝑈   𝑥,𝑢,𝑦,𝑣
Allowed substitution hints:   𝑆(𝑥,𝑦,𝑣,𝑢,𝑔)   𝑈(𝑥,𝑦,𝑢,𝑔)

Proof of Theorem nosupbnd1lem1
Dummy variables 𝑝 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 simp2l 1218 . . . 4 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → 𝐴 No )
2 simp3 1130 . . . 4 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → 𝑈𝐴)
31, 2sseldd 3733 . . 3 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → 𝑈 No )
4 nosupbnd1.1 . . . . . 6 𝑆 = if(∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦, ((𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦) ∪ {⟨dom (𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦), 2𝑜⟩}), (𝑔 ∈ {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥𝑢𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢𝑔) = 𝑥))))
54nosupno 32126 . . . . 5 ((𝐴 No 𝐴 ∈ V) → 𝑆 No )
653ad2ant2 1126 . . . 4 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → 𝑆 No )
7 nodmon 32080 . . . 4 (𝑆 No → dom 𝑆 ∈ On)
86, 7syl 17 . . 3 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → dom 𝑆 ∈ On)
9 noreson 32090 . . 3 ((𝑈 No ∧ dom 𝑆 ∈ On) → (𝑈 ↾ dom 𝑆) ∈ No )
103, 8, 9syl2anc 696 . 2 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → (𝑈 ↾ dom 𝑆) ∈ No )
11 dmres 5565 . . . 4 dom (𝑈 ↾ dom 𝑆) = (dom 𝑆 ∩ dom 𝑈)
12 inss1 3964 . . . 4 (dom 𝑆 ∩ dom 𝑈) ⊆ dom 𝑆
1311, 12eqsstri 3764 . . 3 dom (𝑈 ↾ dom 𝑆) ⊆ dom 𝑆
1413a1i 11 . 2 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → dom (𝑈 ↾ dom 𝑆) ⊆ dom 𝑆)
15 ssid 3753 . . 3 dom 𝑆 ⊆ dom 𝑆
1615a1i 11 . 2 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → dom 𝑆 ⊆ dom 𝑆)
17 iffalse 4227 . . . . . . . . . . . 12 (¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 → if(∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦, ((𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦) ∪ {⟨dom (𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦), 2𝑜⟩}), (𝑔 ∈ {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥𝑢𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢𝑔) = 𝑥)))) = (𝑔 ∈ {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥𝑢𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢𝑔) = 𝑥))))
184, 17syl5eq 2794 . . . . . . . . . . 11 (¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦𝑆 = (𝑔 ∈ {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥𝑢𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢𝑔) = 𝑥))))
1918dmeqd 5469 . . . . . . . . . 10 (¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 → dom 𝑆 = dom (𝑔 ∈ {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥𝑢𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢𝑔) = 𝑥))))
20 iotaex 6017 . . . . . . . . . . 11 (℩𝑥𝑢𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢𝑔) = 𝑥)) ∈ V
21 eqid 2748 . . . . . . . . . . 11 (𝑔 ∈ {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥𝑢𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢𝑔) = 𝑥))) = (𝑔 ∈ {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥𝑢𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢𝑔) = 𝑥)))
2220, 21dmmpti 6172 . . . . . . . . . 10 dom (𝑔 ∈ {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥𝑢𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢𝑔) = 𝑥))) = {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))}
2319, 22syl6eq 2798 . . . . . . . . 9 (¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 → dom 𝑆 = {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))})
2423eleq2d 2813 . . . . . . . 8 (¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 → ( ∈ dom 𝑆 ∈ {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))}))
25 vex 3331 . . . . . . . . 9 ∈ V
26 eleq1 2815 . . . . . . . . . . . 12 (𝑦 = → (𝑦 ∈ dom 𝑢 ∈ dom 𝑢))
27 suceq 5939 . . . . . . . . . . . . . . . 16 (𝑦 = → suc 𝑦 = suc )
2827reseq2d 5539 . . . . . . . . . . . . . . 15 (𝑦 = → (𝑢 ↾ suc 𝑦) = (𝑢 ↾ suc ))
2927reseq2d 5539 . . . . . . . . . . . . . . 15 (𝑦 = → (𝑣 ↾ suc 𝑦) = (𝑣 ↾ suc ))
3028, 29eqeq12d 2763 . . . . . . . . . . . . . 14 (𝑦 = → ((𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦) ↔ (𝑢 ↾ suc ) = (𝑣 ↾ suc )))
3130imbi2d 329 . . . . . . . . . . . . 13 (𝑦 = → ((¬ 𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)) ↔ (¬ 𝑣 <s 𝑢 → (𝑢 ↾ suc ) = (𝑣 ↾ suc ))))
3231ralbidv 3112 . . . . . . . . . . . 12 (𝑦 = → (∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)) ↔ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc ) = (𝑣 ↾ suc ))))
3326, 32anbi12d 749 . . . . . . . . . . 11 (𝑦 = → ((𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦))) ↔ ( ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc ) = (𝑣 ↾ suc )))))
3433rexbidv 3178 . . . . . . . . . 10 (𝑦 = → (∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦))) ↔ ∃𝑢𝐴 ( ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc ) = (𝑣 ↾ suc )))))
35 dmeq 5467 . . . . . . . . . . . . 13 (𝑢 = 𝑝 → dom 𝑢 = dom 𝑝)
3635eleq2d 2813 . . . . . . . . . . . 12 (𝑢 = 𝑝 → ( ∈ dom 𝑢 ∈ dom 𝑝))
37 breq2 4796 . . . . . . . . . . . . . . 15 (𝑢 = 𝑝 → (𝑣 <s 𝑢𝑣 <s 𝑝))
3837notbid 307 . . . . . . . . . . . . . 14 (𝑢 = 𝑝 → (¬ 𝑣 <s 𝑢 ↔ ¬ 𝑣 <s 𝑝))
39 reseq1 5533 . . . . . . . . . . . . . . 15 (𝑢 = 𝑝 → (𝑢 ↾ suc ) = (𝑝 ↾ suc ))
4039eqeq1d 2750 . . . . . . . . . . . . . 14 (𝑢 = 𝑝 → ((𝑢 ↾ suc ) = (𝑣 ↾ suc ) ↔ (𝑝 ↾ suc ) = (𝑣 ↾ suc )))
4138, 40imbi12d 333 . . . . . . . . . . . . 13 (𝑢 = 𝑝 → ((¬ 𝑣 <s 𝑢 → (𝑢 ↾ suc ) = (𝑣 ↾ suc )) ↔ (¬ 𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))
4241ralbidv 3112 . . . . . . . . . . . 12 (𝑢 = 𝑝 → (∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc ) = (𝑣 ↾ suc )) ↔ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))
4336, 42anbi12d 749 . . . . . . . . . . 11 (𝑢 = 𝑝 → (( ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc ) = (𝑣 ↾ suc ))) ↔ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc )))))
4443cbvrexv 3299 . . . . . . . . . 10 (∃𝑢𝐴 ( ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc ) = (𝑣 ↾ suc ))) ↔ ∃𝑝𝐴 ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))
4534, 44syl6bb 276 . . . . . . . . 9 (𝑦 = → (∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦))) ↔ ∃𝑝𝐴 ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc )))))
4625, 45elab 3478 . . . . . . . 8 ( ∈ {𝑦 ∣ ∃𝑢𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣𝐴𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↔ ∃𝑝𝐴 ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))
4724, 46syl6bb 276 . . . . . . 7 (¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 → ( ∈ dom 𝑆 ↔ ∃𝑝𝐴 ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc )))))
48473ad2ant1 1125 . . . . . 6 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → ( ∈ dom 𝑆 ↔ ∃𝑝𝐴 ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc )))))
49 simpl1 1204 . . . . . . . . 9 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → ¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦)
50 simpl2 1206 . . . . . . . . 9 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → (𝐴 No 𝐴 ∈ V))
51 simprl 811 . . . . . . . . 9 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → 𝑝𝐴)
52 simprrl 823 . . . . . . . . 9 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → ∈ dom 𝑝)
53 simprrr 824 . . . . . . . . 9 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc )))
544nosupres 32130 . . . . . . . . 9 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ (𝑝𝐴 ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc )))) → (𝑆 ↾ suc ) = (𝑝 ↾ suc ))
5549, 50, 51, 52, 53, 54syl113anc 1475 . . . . . . . 8 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → (𝑆 ↾ suc ) = (𝑝 ↾ suc ))
56 simpl2l 1259 . . . . . . . . . . . . . . 15 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → 𝐴 No )
5756, 51sseldd 3733 . . . . . . . . . . . . . 14 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → 𝑝 No )
583adantr 472 . . . . . . . . . . . . . 14 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → 𝑈 No )
59 sltso 32104 . . . . . . . . . . . . . . 15 <s Or No
60 soasym 31935 . . . . . . . . . . . . . . 15 (( <s Or No ∧ (𝑝 No 𝑈 No )) → (𝑝 <s 𝑈 → ¬ 𝑈 <s 𝑝))
6159, 60mpan 708 . . . . . . . . . . . . . 14 ((𝑝 No 𝑈 No ) → (𝑝 <s 𝑈 → ¬ 𝑈 <s 𝑝))
6257, 58, 61syl2anc 696 . . . . . . . . . . . . 13 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → (𝑝 <s 𝑈 → ¬ 𝑈 <s 𝑝))
63 simpl3 1208 . . . . . . . . . . . . . 14 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → 𝑈𝐴)
64 breq1 4795 . . . . . . . . . . . . . . . . 17 (𝑣 = 𝑈 → (𝑣 <s 𝑝𝑈 <s 𝑝))
6564notbid 307 . . . . . . . . . . . . . . . 16 (𝑣 = 𝑈 → (¬ 𝑣 <s 𝑝 ↔ ¬ 𝑈 <s 𝑝))
66 reseq1 5533 . . . . . . . . . . . . . . . . 17 (𝑣 = 𝑈 → (𝑣 ↾ suc ) = (𝑈 ↾ suc ))
6766eqeq2d 2758 . . . . . . . . . . . . . . . 16 (𝑣 = 𝑈 → ((𝑝 ↾ suc ) = (𝑣 ↾ suc ) ↔ (𝑝 ↾ suc ) = (𝑈 ↾ suc )))
6865, 67imbi12d 333 . . . . . . . . . . . . . . 15 (𝑣 = 𝑈 → ((¬ 𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc )) ↔ (¬ 𝑈 <s 𝑝 → (𝑝 ↾ suc ) = (𝑈 ↾ suc ))))
6968rspcv 3433 . . . . . . . . . . . . . 14 (𝑈𝐴 → (∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc )) → (¬ 𝑈 <s 𝑝 → (𝑝 ↾ suc ) = (𝑈 ↾ suc ))))
7063, 53, 69sylc 65 . . . . . . . . . . . . 13 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → (¬ 𝑈 <s 𝑝 → (𝑝 ↾ suc ) = (𝑈 ↾ suc )))
7162, 70syld 47 . . . . . . . . . . . 12 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → (𝑝 <s 𝑈 → (𝑝 ↾ suc ) = (𝑈 ↾ suc )))
7271imp 444 . . . . . . . . . . 11 ((((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) ∧ 𝑝 <s 𝑈) → (𝑝 ↾ suc ) = (𝑈 ↾ suc ))
73 nodmon 32080 . . . . . . . . . . . . . . . . 17 (𝑝 No → dom 𝑝 ∈ On)
7457, 73syl 17 . . . . . . . . . . . . . . . 16 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → dom 𝑝 ∈ On)
75 onelon 5897 . . . . . . . . . . . . . . . 16 ((dom 𝑝 ∈ On ∧ ∈ dom 𝑝) → ∈ On)
7674, 52, 75syl2anc 696 . . . . . . . . . . . . . . 15 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → ∈ On)
77 sucelon 7170 . . . . . . . . . . . . . . 15 ( ∈ On ↔ suc ∈ On)
7876, 77sylib 208 . . . . . . . . . . . . . 14 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → suc ∈ On)
79 noreson 32090 . . . . . . . . . . . . . 14 ((𝑈 No ∧ suc ∈ On) → (𝑈 ↾ suc ) ∈ No )
8058, 78, 79syl2anc 696 . . . . . . . . . . . . 13 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → (𝑈 ↾ suc ) ∈ No )
81 sonr 5196 . . . . . . . . . . . . . 14 (( <s Or No ∧ (𝑈 ↾ suc ) ∈ No ) → ¬ (𝑈 ↾ suc ) <s (𝑈 ↾ suc ))
8259, 81mpan 708 . . . . . . . . . . . . 13 ((𝑈 ↾ suc ) ∈ No → ¬ (𝑈 ↾ suc ) <s (𝑈 ↾ suc ))
8380, 82syl 17 . . . . . . . . . . . 12 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → ¬ (𝑈 ↾ suc ) <s (𝑈 ↾ suc ))
8483adantr 472 . . . . . . . . . . 11 ((((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) ∧ 𝑝 <s 𝑈) → ¬ (𝑈 ↾ suc ) <s (𝑈 ↾ suc ))
8572, 84eqnbrtrd 4810 . . . . . . . . . 10 ((((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) ∧ 𝑝 <s 𝑈) → ¬ (𝑝 ↾ suc ) <s (𝑈 ↾ suc ))
8685ex 449 . . . . . . . . 9 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → (𝑝 <s 𝑈 → ¬ (𝑝 ↾ suc ) <s (𝑈 ↾ suc )))
87 sltres 32092 . . . . . . . . . . 11 ((𝑝 No 𝑈 No ∧ suc ∈ On) → ((𝑝 ↾ suc ) <s (𝑈 ↾ suc ) → 𝑝 <s 𝑈))
8857, 58, 78, 87syl3anc 1463 . . . . . . . . . 10 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → ((𝑝 ↾ suc ) <s (𝑈 ↾ suc ) → 𝑝 <s 𝑈))
8988con3d 148 . . . . . . . . 9 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → (¬ 𝑝 <s 𝑈 → ¬ (𝑝 ↾ suc ) <s (𝑈 ↾ suc )))
9086, 89pm2.61d 170 . . . . . . . 8 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → ¬ (𝑝 ↾ suc ) <s (𝑈 ↾ suc ))
9155, 90eqnbrtrd 4810 . . . . . . 7 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ (𝑝𝐴 ∧ ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))))) → ¬ (𝑆 ↾ suc ) <s (𝑈 ↾ suc ))
9291rexlimdvaa 3158 . . . . . 6 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → (∃𝑝𝐴 ( ∈ dom 𝑝 ∧ ∀𝑣𝐴𝑣 <s 𝑝 → (𝑝 ↾ suc ) = (𝑣 ↾ suc ))) → ¬ (𝑆 ↾ suc ) <s (𝑈 ↾ suc )))
9348, 92sylbid 230 . . . . 5 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → ( ∈ dom 𝑆 → ¬ (𝑆 ↾ suc ) <s (𝑈 ↾ suc )))
9493imp 444 . . . 4 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ ∈ dom 𝑆) → ¬ (𝑆 ↾ suc ) <s (𝑈 ↾ suc ))
95 nodmord 32083 . . . . . . . 8 (𝑆 No → Ord dom 𝑆)
96 ordsucss 7171 . . . . . . . 8 (Ord dom 𝑆 → ( ∈ dom 𝑆 → suc ⊆ dom 𝑆))
976, 95, 963syl 18 . . . . . . 7 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → ( ∈ dom 𝑆 → suc ⊆ dom 𝑆))
9897imp 444 . . . . . 6 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ ∈ dom 𝑆) → suc ⊆ dom 𝑆)
9998resabs1d 5574 . . . . 5 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ ∈ dom 𝑆) → ((𝑈 ↾ dom 𝑆) ↾ suc ) = (𝑈 ↾ suc ))
10099breq2d 4804 . . . 4 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ ∈ dom 𝑆) → ((𝑆 ↾ suc ) <s ((𝑈 ↾ dom 𝑆) ↾ suc ) ↔ (𝑆 ↾ suc ) <s (𝑈 ↾ suc )))
10194, 100mtbird 314 . . 3 (((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) ∧ ∈ dom 𝑆) → ¬ (𝑆 ↾ suc ) <s ((𝑈 ↾ dom 𝑆) ↾ suc ))
102101ralrimiva 3092 . 2 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → ∀ ∈ dom 𝑆 ¬ (𝑆 ↾ suc ) <s ((𝑈 ↾ dom 𝑆) ↾ suc ))
103 noresle 32123 . 2 ((((𝑈 ↾ dom 𝑆) ∈ No 𝑆 No ) ∧ (dom (𝑈 ↾ dom 𝑆) ⊆ dom 𝑆 ∧ dom 𝑆 ⊆ dom 𝑆 ∧ ∀ ∈ dom 𝑆 ¬ (𝑆 ↾ suc ) <s ((𝑈 ↾ dom 𝑆) ↾ suc ))) → ¬ 𝑆 <s (𝑈 ↾ dom 𝑆))
10410, 6, 14, 16, 102, 103syl23anc 1470 1 ((¬ ∃𝑥𝐴𝑦𝐴 ¬ 𝑥 <s 𝑦 ∧ (𝐴 No 𝐴 ∈ V) ∧ 𝑈𝐴) → ¬ 𝑆 <s (𝑈 ↾ dom 𝑆))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 196  wa 383  w3a 1072   = wceq 1620  wcel 2127  {cab 2734  wral 3038  wrex 3039  Vcvv 3328  cun 3701  cin 3702  wss 3703  ifcif 4218  {csn 4309  cop 4315   class class class wbr 4792  cmpt 4869   Or wor 5174  dom cdm 5254  cres 5256  Ord word 5871  Oncon0 5872  suc csuc 5874  cio 5998  cfv 6037  crio 6761  2𝑜c2o 7711   No csur 32070   <s cslt 32071
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1859  ax-4 1874  ax-5 1976  ax-6 2042  ax-7 2078  ax-8 2129  ax-9 2136  ax-10 2156  ax-11 2171  ax-12 2184  ax-13 2379  ax-ext 2728  ax-rep 4911  ax-sep 4921  ax-nul 4929  ax-pow 4980  ax-pr 5043  ax-un 7102
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1073  df-3an 1074  df-tru 1623  df-ex 1842  df-nf 1847  df-sb 2035  df-eu 2599  df-mo 2600  df-clab 2735  df-cleq 2741  df-clel 2744  df-nfc 2879  df-ne 2921  df-ral 3043  df-rex 3044  df-reu 3045  df-rmo 3046  df-rab 3047  df-v 3330  df-sbc 3565  df-csb 3663  df-dif 3706  df-un 3708  df-in 3710  df-ss 3717  df-pss 3719  df-nul 4047  df-if 4219  df-pw 4292  df-sn 4310  df-pr 4312  df-tp 4314  df-op 4316  df-uni 4577  df-int 4616  df-iun 4662  df-br 4793  df-opab 4853  df-mpt 4870  df-tr 4893  df-id 5162  df-eprel 5167  df-po 5175  df-so 5176  df-fr 5213  df-we 5215  df-xp 5260  df-rel 5261  df-cnv 5262  df-co 5263  df-dm 5264  df-rn 5265  df-res 5266  df-ima 5267  df-ord 5875  df-on 5876  df-suc 5878  df-iota 6000  df-fun 6039  df-fn 6040  df-f 6041  df-f1 6042  df-fo 6043  df-f1o 6044  df-fv 6045  df-riota 6762  df-1o 7717  df-2o 7718  df-no 32073  df-slt 32074  df-bday 32075
This theorem is referenced by:  nosupbnd1lem2  32132  nosupbnd1lem6  32136
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