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Theorem oeordi 8200
Description: Ordering law for ordinal exponentiation. Proposition 8.33 of [TakeutiZaring] p. 67. (Contributed by NM, 5-Jan-2005.) (Revised by Mario Carneiro, 24-May-2015.)
Assertion
Ref Expression
oeordi ((𝐵 ∈ On ∧ 𝐶 ∈ (On ∖ 2o)) → (𝐴𝐵 → (𝐶o 𝐴) ∈ (𝐶o 𝐵)))

Proof of Theorem oeordi
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 oveq2 7147 . . . . 5 (𝑥 = suc 𝐴 → (𝐶o 𝑥) = (𝐶o suc 𝐴))
21eleq2d 2878 . . . 4 (𝑥 = suc 𝐴 → ((𝐶o 𝐴) ∈ (𝐶o 𝑥) ↔ (𝐶o 𝐴) ∈ (𝐶o suc 𝐴)))
32imbi2d 344 . . 3 (𝑥 = suc 𝐴 → ((𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑥)) ↔ (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o suc 𝐴))))
4 oveq2 7147 . . . . 5 (𝑥 = 𝑦 → (𝐶o 𝑥) = (𝐶o 𝑦))
54eleq2d 2878 . . . 4 (𝑥 = 𝑦 → ((𝐶o 𝐴) ∈ (𝐶o 𝑥) ↔ (𝐶o 𝐴) ∈ (𝐶o 𝑦)))
65imbi2d 344 . . 3 (𝑥 = 𝑦 → ((𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑥)) ↔ (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑦))))
7 oveq2 7147 . . . . 5 (𝑥 = suc 𝑦 → (𝐶o 𝑥) = (𝐶o suc 𝑦))
87eleq2d 2878 . . . 4 (𝑥 = suc 𝑦 → ((𝐶o 𝐴) ∈ (𝐶o 𝑥) ↔ (𝐶o 𝐴) ∈ (𝐶o suc 𝑦)))
98imbi2d 344 . . 3 (𝑥 = suc 𝑦 → ((𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑥)) ↔ (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o suc 𝑦))))
10 oveq2 7147 . . . . 5 (𝑥 = 𝐵 → (𝐶o 𝑥) = (𝐶o 𝐵))
1110eleq2d 2878 . . . 4 (𝑥 = 𝐵 → ((𝐶o 𝐴) ∈ (𝐶o 𝑥) ↔ (𝐶o 𝐴) ∈ (𝐶o 𝐵)))
1211imbi2d 344 . . 3 (𝑥 = 𝐵 → ((𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑥)) ↔ (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝐵))))
13 eldifi 4057 . . . . . . . 8 (𝐶 ∈ (On ∖ 2o) → 𝐶 ∈ On)
14 oecl 8149 . . . . . . . 8 ((𝐶 ∈ On ∧ 𝐴 ∈ On) → (𝐶o 𝐴) ∈ On)
1513, 14sylan 583 . . . . . . 7 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → (𝐶o 𝐴) ∈ On)
16 om1 8155 . . . . . . 7 ((𝐶o 𝐴) ∈ On → ((𝐶o 𝐴) ·o 1o) = (𝐶o 𝐴))
1715, 16syl 17 . . . . . 6 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → ((𝐶o 𝐴) ·o 1o) = (𝐶o 𝐴))
18 ondif2 8114 . . . . . . . . 9 (𝐶 ∈ (On ∖ 2o) ↔ (𝐶 ∈ On ∧ 1o𝐶))
1918simprbi 500 . . . . . . . 8 (𝐶 ∈ (On ∖ 2o) → 1o𝐶)
2019adantr 484 . . . . . . 7 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → 1o𝐶)
2113adantr 484 . . . . . . . 8 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → 𝐶 ∈ On)
22 simpr 488 . . . . . . . . 9 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → 𝐴 ∈ On)
23 dif20el 8117 . . . . . . . . . 10 (𝐶 ∈ (On ∖ 2o) → ∅ ∈ 𝐶)
2423adantr 484 . . . . . . . . 9 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → ∅ ∈ 𝐶)
25 oen0 8199 . . . . . . . . 9 (((𝐶 ∈ On ∧ 𝐴 ∈ On) ∧ ∅ ∈ 𝐶) → ∅ ∈ (𝐶o 𝐴))
2621, 22, 24, 25syl21anc 836 . . . . . . . 8 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → ∅ ∈ (𝐶o 𝐴))
27 omordi 8179 . . . . . . . 8 (((𝐶 ∈ On ∧ (𝐶o 𝐴) ∈ On) ∧ ∅ ∈ (𝐶o 𝐴)) → (1o𝐶 → ((𝐶o 𝐴) ·o 1o) ∈ ((𝐶o 𝐴) ·o 𝐶)))
2821, 15, 26, 27syl21anc 836 . . . . . . 7 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → (1o𝐶 → ((𝐶o 𝐴) ·o 1o) ∈ ((𝐶o 𝐴) ·o 𝐶)))
2920, 28mpd 15 . . . . . 6 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → ((𝐶o 𝐴) ·o 1o) ∈ ((𝐶o 𝐴) ·o 𝐶))
3017, 29eqeltrrd 2894 . . . . 5 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → (𝐶o 𝐴) ∈ ((𝐶o 𝐴) ·o 𝐶))
31 oesuc 8139 . . . . . 6 ((𝐶 ∈ On ∧ 𝐴 ∈ On) → (𝐶o suc 𝐴) = ((𝐶o 𝐴) ·o 𝐶))
3213, 31sylan 583 . . . . 5 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → (𝐶o suc 𝐴) = ((𝐶o 𝐴) ·o 𝐶))
3330, 32eleqtrrd 2896 . . . 4 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → (𝐶o 𝐴) ∈ (𝐶o suc 𝐴))
3433expcom 417 . . 3 (𝐴 ∈ On → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o suc 𝐴)))
35 oecl 8149 . . . . . . . . . . 11 ((𝐶 ∈ On ∧ 𝑦 ∈ On) → (𝐶o 𝑦) ∈ On)
3613, 35sylan 583 . . . . . . . . . 10 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (𝐶o 𝑦) ∈ On)
37 om1 8155 . . . . . . . . . 10 ((𝐶o 𝑦) ∈ On → ((𝐶o 𝑦) ·o 1o) = (𝐶o 𝑦))
3836, 37syl 17 . . . . . . . . 9 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → ((𝐶o 𝑦) ·o 1o) = (𝐶o 𝑦))
3919adantr 484 . . . . . . . . . 10 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → 1o𝐶)
4013adantr 484 . . . . . . . . . . 11 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → 𝐶 ∈ On)
41 simpr 488 . . . . . . . . . . . 12 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → 𝑦 ∈ On)
4223adantr 484 . . . . . . . . . . . 12 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → ∅ ∈ 𝐶)
43 oen0 8199 . . . . . . . . . . . 12 (((𝐶 ∈ On ∧ 𝑦 ∈ On) ∧ ∅ ∈ 𝐶) → ∅ ∈ (𝐶o 𝑦))
4440, 41, 42, 43syl21anc 836 . . . . . . . . . . 11 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → ∅ ∈ (𝐶o 𝑦))
45 omordi 8179 . . . . . . . . . . 11 (((𝐶 ∈ On ∧ (𝐶o 𝑦) ∈ On) ∧ ∅ ∈ (𝐶o 𝑦)) → (1o𝐶 → ((𝐶o 𝑦) ·o 1o) ∈ ((𝐶o 𝑦) ·o 𝐶)))
4640, 36, 44, 45syl21anc 836 . . . . . . . . . 10 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (1o𝐶 → ((𝐶o 𝑦) ·o 1o) ∈ ((𝐶o 𝑦) ·o 𝐶)))
4739, 46mpd 15 . . . . . . . . 9 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → ((𝐶o 𝑦) ·o 1o) ∈ ((𝐶o 𝑦) ·o 𝐶))
4838, 47eqeltrrd 2894 . . . . . . . 8 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (𝐶o 𝑦) ∈ ((𝐶o 𝑦) ·o 𝐶))
49 oesuc 8139 . . . . . . . . 9 ((𝐶 ∈ On ∧ 𝑦 ∈ On) → (𝐶o suc 𝑦) = ((𝐶o 𝑦) ·o 𝐶))
5013, 49sylan 583 . . . . . . . 8 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (𝐶o suc 𝑦) = ((𝐶o 𝑦) ·o 𝐶))
5148, 50eleqtrrd 2896 . . . . . . 7 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (𝐶o 𝑦) ∈ (𝐶o suc 𝑦))
52 suceloni 7512 . . . . . . . . 9 (𝑦 ∈ On → suc 𝑦 ∈ On)
53 oecl 8149 . . . . . . . . 9 ((𝐶 ∈ On ∧ suc 𝑦 ∈ On) → (𝐶o suc 𝑦) ∈ On)
5413, 52, 53syl2an 598 . . . . . . . 8 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (𝐶o suc 𝑦) ∈ On)
55 ontr1 6209 . . . . . . . 8 ((𝐶o suc 𝑦) ∈ On → (((𝐶o 𝐴) ∈ (𝐶o 𝑦) ∧ (𝐶o 𝑦) ∈ (𝐶o suc 𝑦)) → (𝐶o 𝐴) ∈ (𝐶o suc 𝑦)))
5654, 55syl 17 . . . . . . 7 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (((𝐶o 𝐴) ∈ (𝐶o 𝑦) ∧ (𝐶o 𝑦) ∈ (𝐶o suc 𝑦)) → (𝐶o 𝐴) ∈ (𝐶o suc 𝑦)))
5751, 56mpan2d 693 . . . . . 6 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → ((𝐶o 𝐴) ∈ (𝐶o 𝑦) → (𝐶o 𝐴) ∈ (𝐶o suc 𝑦)))
5857expcom 417 . . . . 5 (𝑦 ∈ On → (𝐶 ∈ (On ∖ 2o) → ((𝐶o 𝐴) ∈ (𝐶o 𝑦) → (𝐶o 𝐴) ∈ (𝐶o suc 𝑦))))
5958adantr 484 . . . 4 ((𝑦 ∈ On ∧ 𝐴𝑦) → (𝐶 ∈ (On ∖ 2o) → ((𝐶o 𝐴) ∈ (𝐶o 𝑦) → (𝐶o 𝐴) ∈ (𝐶o suc 𝑦))))
6059a2d 29 . . 3 ((𝑦 ∈ On ∧ 𝐴𝑦) → ((𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o suc 𝑦))))
61 bi2.04 392 . . . . . 6 ((𝐴𝑦 → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑦))) ↔ (𝐶 ∈ (On ∖ 2o) → (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦))))
6261ralbii 3136 . . . . 5 (∀𝑦𝑥 (𝐴𝑦 → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑦))) ↔ ∀𝑦𝑥 (𝐶 ∈ (On ∖ 2o) → (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦))))
63 r19.21v 3145 . . . . 5 (∀𝑦𝑥 (𝐶 ∈ (On ∖ 2o) → (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦))) ↔ (𝐶 ∈ (On ∖ 2o) → ∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦))))
6462, 63bitri 278 . . . 4 (∀𝑦𝑥 (𝐴𝑦 → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑦))) ↔ (𝐶 ∈ (On ∖ 2o) → ∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦))))
65 limsuc 7548 . . . . . . . . . 10 (Lim 𝑥 → (𝐴𝑥 ↔ suc 𝐴𝑥))
6665biimpa 480 . . . . . . . . 9 ((Lim 𝑥𝐴𝑥) → suc 𝐴𝑥)
67 elex 3462 . . . . . . . . . . . . 13 (suc 𝐴𝑥 → suc 𝐴 ∈ V)
68 sucexb 7508 . . . . . . . . . . . . . 14 (𝐴 ∈ V ↔ suc 𝐴 ∈ V)
69 sucidg 6241 . . . . . . . . . . . . . 14 (𝐴 ∈ V → 𝐴 ∈ suc 𝐴)
7068, 69sylbir 238 . . . . . . . . . . . . 13 (suc 𝐴 ∈ V → 𝐴 ∈ suc 𝐴)
7167, 70syl 17 . . . . . . . . . . . 12 (suc 𝐴𝑥𝐴 ∈ suc 𝐴)
72 eleq2 2881 . . . . . . . . . . . . . 14 (𝑦 = suc 𝐴 → (𝐴𝑦𝐴 ∈ suc 𝐴))
73 oveq2 7147 . . . . . . . . . . . . . . 15 (𝑦 = suc 𝐴 → (𝐶o 𝑦) = (𝐶o suc 𝐴))
7473eleq2d 2878 . . . . . . . . . . . . . 14 (𝑦 = suc 𝐴 → ((𝐶o 𝐴) ∈ (𝐶o 𝑦) ↔ (𝐶o 𝐴) ∈ (𝐶o suc 𝐴)))
7572, 74imbi12d 348 . . . . . . . . . . . . 13 (𝑦 = suc 𝐴 → ((𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) ↔ (𝐴 ∈ suc 𝐴 → (𝐶o 𝐴) ∈ (𝐶o suc 𝐴))))
7675rspcv 3569 . . . . . . . . . . . 12 (suc 𝐴𝑥 → (∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (𝐴 ∈ suc 𝐴 → (𝐶o 𝐴) ∈ (𝐶o suc 𝐴))))
7771, 76mpid 44 . . . . . . . . . . 11 (suc 𝐴𝑥 → (∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (𝐶o 𝐴) ∈ (𝐶o suc 𝐴)))
7877anc2li 559 . . . . . . . . . 10 (suc 𝐴𝑥 → (∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (suc 𝐴𝑥 ∧ (𝐶o 𝐴) ∈ (𝐶o suc 𝐴))))
7973eliuni 4890 . . . . . . . . . 10 ((suc 𝐴𝑥 ∧ (𝐶o 𝐴) ∈ (𝐶o suc 𝐴)) → (𝐶o 𝐴) ∈ 𝑦𝑥 (𝐶o 𝑦))
8078, 79syl6 35 . . . . . . . . 9 (suc 𝐴𝑥 → (∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (𝐶o 𝐴) ∈ 𝑦𝑥 (𝐶o 𝑦)))
8166, 80syl 17 . . . . . . . 8 ((Lim 𝑥𝐴𝑥) → (∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (𝐶o 𝐴) ∈ 𝑦𝑥 (𝐶o 𝑦)))
8281adantr 484 . . . . . . 7 (((Lim 𝑥𝐴𝑥) ∧ 𝐶 ∈ (On ∖ 2o)) → (∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (𝐶o 𝐴) ∈ 𝑦𝑥 (𝐶o 𝑦)))
8313adantl 485 . . . . . . . . . 10 ((Lim 𝑥𝐶 ∈ (On ∖ 2o)) → 𝐶 ∈ On)
84 simpl 486 . . . . . . . . . 10 ((Lim 𝑥𝐶 ∈ (On ∖ 2o)) → Lim 𝑥)
8523adantl 485 . . . . . . . . . 10 ((Lim 𝑥𝐶 ∈ (On ∖ 2o)) → ∅ ∈ 𝐶)
86 vex 3447 . . . . . . . . . . 11 𝑥 ∈ V
87 oelim 8146 . . . . . . . . . . 11 (((𝐶 ∈ On ∧ (𝑥 ∈ V ∧ Lim 𝑥)) ∧ ∅ ∈ 𝐶) → (𝐶o 𝑥) = 𝑦𝑥 (𝐶o 𝑦))
8886, 87mpanlr1 705 . . . . . . . . . 10 (((𝐶 ∈ On ∧ Lim 𝑥) ∧ ∅ ∈ 𝐶) → (𝐶o 𝑥) = 𝑦𝑥 (𝐶o 𝑦))
8983, 84, 85, 88syl21anc 836 . . . . . . . . 9 ((Lim 𝑥𝐶 ∈ (On ∖ 2o)) → (𝐶o 𝑥) = 𝑦𝑥 (𝐶o 𝑦))
9089adantlr 714 . . . . . . . 8 (((Lim 𝑥𝐴𝑥) ∧ 𝐶 ∈ (On ∖ 2o)) → (𝐶o 𝑥) = 𝑦𝑥 (𝐶o 𝑦))
9190eleq2d 2878 . . . . . . 7 (((Lim 𝑥𝐴𝑥) ∧ 𝐶 ∈ (On ∖ 2o)) → ((𝐶o 𝐴) ∈ (𝐶o 𝑥) ↔ (𝐶o 𝐴) ∈ 𝑦𝑥 (𝐶o 𝑦)))
9282, 91sylibrd 262 . . . . . 6 (((Lim 𝑥𝐴𝑥) ∧ 𝐶 ∈ (On ∖ 2o)) → (∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (𝐶o 𝐴) ∈ (𝐶o 𝑥)))
9392ex 416 . . . . 5 ((Lim 𝑥𝐴𝑥) → (𝐶 ∈ (On ∖ 2o) → (∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (𝐶o 𝐴) ∈ (𝐶o 𝑥))))
9493a2d 29 . . . 4 ((Lim 𝑥𝐴𝑥) → ((𝐶 ∈ (On ∖ 2o) → ∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦))) → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑥))))
9564, 94syl5bi 245 . . 3 ((Lim 𝑥𝐴𝑥) → (∀𝑦𝑥 (𝐴𝑦 → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑦))) → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑥))))
963, 6, 9, 12, 34, 60, 95tfindsg2 7560 . 2 ((𝐵 ∈ On ∧ 𝐴𝐵) → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝐵)))
9796impancom 455 1 ((𝐵 ∈ On ∧ 𝐶 ∈ (On ∖ 2o)) → (𝐴𝐵 → (𝐶o 𝐴) ∈ (𝐶o 𝐵)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 399   = wceq 1538  wcel 2112  wral 3109  Vcvv 3444  cdif 3881  c0 4246   ciun 4884  Oncon0 6163  Lim wlim 6164  suc csuc 6165  (class class class)co 7139  1oc1o 8082  2oc2o 8083   ·o comu 8087  o coe 8088
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-rep 5157  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-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-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-ov 7142  df-oprab 7143  df-mpo 7144  df-om 7565  df-wrecs 7934  df-recs 7995  df-rdg 8033  df-1o 8089  df-2o 8090  df-oadd 8093  df-omul 8094  df-oexp 8095
This theorem is referenced by:  oeord  8201  oecan  8202  oeworde  8206  oelimcl  8213
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