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Theorem oeordi 8625
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 7439 . . . . 5 (𝑥 = suc 𝐴 → (𝐶o 𝑥) = (𝐶o suc 𝐴))
21eleq2d 2827 . . . 4 (𝑥 = suc 𝐴 → ((𝐶o 𝐴) ∈ (𝐶o 𝑥) ↔ (𝐶o 𝐴) ∈ (𝐶o suc 𝐴)))
32imbi2d 340 . . 3 (𝑥 = suc 𝐴 → ((𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑥)) ↔ (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o suc 𝐴))))
4 oveq2 7439 . . . . 5 (𝑥 = 𝑦 → (𝐶o 𝑥) = (𝐶o 𝑦))
54eleq2d 2827 . . . 4 (𝑥 = 𝑦 → ((𝐶o 𝐴) ∈ (𝐶o 𝑥) ↔ (𝐶o 𝐴) ∈ (𝐶o 𝑦)))
65imbi2d 340 . . 3 (𝑥 = 𝑦 → ((𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑥)) ↔ (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑦))))
7 oveq2 7439 . . . . 5 (𝑥 = suc 𝑦 → (𝐶o 𝑥) = (𝐶o suc 𝑦))
87eleq2d 2827 . . . 4 (𝑥 = suc 𝑦 → ((𝐶o 𝐴) ∈ (𝐶o 𝑥) ↔ (𝐶o 𝐴) ∈ (𝐶o suc 𝑦)))
98imbi2d 340 . . 3 (𝑥 = suc 𝑦 → ((𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑥)) ↔ (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o suc 𝑦))))
10 oveq2 7439 . . . . 5 (𝑥 = 𝐵 → (𝐶o 𝑥) = (𝐶o 𝐵))
1110eleq2d 2827 . . . 4 (𝑥 = 𝐵 → ((𝐶o 𝐴) ∈ (𝐶o 𝑥) ↔ (𝐶o 𝐴) ∈ (𝐶o 𝐵)))
1211imbi2d 340 . . 3 (𝑥 = 𝐵 → ((𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑥)) ↔ (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝐵))))
13 eldifi 4131 . . . . . . . 8 (𝐶 ∈ (On ∖ 2o) → 𝐶 ∈ On)
14 oecl 8575 . . . . . . . 8 ((𝐶 ∈ On ∧ 𝐴 ∈ On) → (𝐶o 𝐴) ∈ On)
1513, 14sylan 580 . . . . . . 7 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → (𝐶o 𝐴) ∈ On)
16 om1 8580 . . . . . . 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 8540 . . . . . . . . 9 (𝐶 ∈ (On ∖ 2o) ↔ (𝐶 ∈ On ∧ 1o𝐶))
1918simprbi 496 . . . . . . . 8 (𝐶 ∈ (On ∖ 2o) → 1o𝐶)
2019adantr 480 . . . . . . 7 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → 1o𝐶)
2113adantr 480 . . . . . . . 8 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → 𝐶 ∈ On)
22 simpr 484 . . . . . . . . 9 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → 𝐴 ∈ On)
23 dif20el 8543 . . . . . . . . . 10 (𝐶 ∈ (On ∖ 2o) → ∅ ∈ 𝐶)
2423adantr 480 . . . . . . . . 9 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → ∅ ∈ 𝐶)
25 oen0 8624 . . . . . . . . 9 (((𝐶 ∈ On ∧ 𝐴 ∈ On) ∧ ∅ ∈ 𝐶) → ∅ ∈ (𝐶o 𝐴))
2621, 22, 24, 25syl21anc 838 . . . . . . . 8 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → ∅ ∈ (𝐶o 𝐴))
27 omordi 8604 . . . . . . . 8 (((𝐶 ∈ On ∧ (𝐶o 𝐴) ∈ On) ∧ ∅ ∈ (𝐶o 𝐴)) → (1o𝐶 → ((𝐶o 𝐴) ·o 1o) ∈ ((𝐶o 𝐴) ·o 𝐶)))
2821, 15, 26, 27syl21anc 838 . . . . . . 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 2842 . . . . 5 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → (𝐶o 𝐴) ∈ ((𝐶o 𝐴) ·o 𝐶))
31 oesuc 8565 . . . . . 6 ((𝐶 ∈ On ∧ 𝐴 ∈ On) → (𝐶o suc 𝐴) = ((𝐶o 𝐴) ·o 𝐶))
3213, 31sylan 580 . . . . 5 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → (𝐶o suc 𝐴) = ((𝐶o 𝐴) ·o 𝐶))
3330, 32eleqtrrd 2844 . . . 4 ((𝐶 ∈ (On ∖ 2o) ∧ 𝐴 ∈ On) → (𝐶o 𝐴) ∈ (𝐶o suc 𝐴))
3433expcom 413 . . 3 (𝐴 ∈ On → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o suc 𝐴)))
35 oecl 8575 . . . . . . . . . . 11 ((𝐶 ∈ On ∧ 𝑦 ∈ On) → (𝐶o 𝑦) ∈ On)
3613, 35sylan 580 . . . . . . . . . 10 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (𝐶o 𝑦) ∈ On)
37 om1 8580 . . . . . . . . . 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 480 . . . . . . . . . 10 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → 1o𝐶)
4013adantr 480 . . . . . . . . . . 11 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → 𝐶 ∈ On)
41 simpr 484 . . . . . . . . . . . 12 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → 𝑦 ∈ On)
4223adantr 480 . . . . . . . . . . . 12 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → ∅ ∈ 𝐶)
43 oen0 8624 . . . . . . . . . . . 12 (((𝐶 ∈ On ∧ 𝑦 ∈ On) ∧ ∅ ∈ 𝐶) → ∅ ∈ (𝐶o 𝑦))
4440, 41, 42, 43syl21anc 838 . . . . . . . . . . 11 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → ∅ ∈ (𝐶o 𝑦))
45 omordi 8604 . . . . . . . . . . 11 (((𝐶 ∈ On ∧ (𝐶o 𝑦) ∈ On) ∧ ∅ ∈ (𝐶o 𝑦)) → (1o𝐶 → ((𝐶o 𝑦) ·o 1o) ∈ ((𝐶o 𝑦) ·o 𝐶)))
4640, 36, 44, 45syl21anc 838 . . . . . . . . . 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 2842 . . . . . . . 8 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (𝐶o 𝑦) ∈ ((𝐶o 𝑦) ·o 𝐶))
49 oesuc 8565 . . . . . . . . 9 ((𝐶 ∈ On ∧ 𝑦 ∈ On) → (𝐶o suc 𝑦) = ((𝐶o 𝑦) ·o 𝐶))
5013, 49sylan 580 . . . . . . . 8 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (𝐶o suc 𝑦) = ((𝐶o 𝑦) ·o 𝐶))
5148, 50eleqtrrd 2844 . . . . . . 7 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (𝐶o 𝑦) ∈ (𝐶o suc 𝑦))
52 onsuc 7831 . . . . . . . . 9 (𝑦 ∈ On → suc 𝑦 ∈ On)
53 oecl 8575 . . . . . . . . 9 ((𝐶 ∈ On ∧ suc 𝑦 ∈ On) → (𝐶o suc 𝑦) ∈ On)
5413, 52, 53syl2an 596 . . . . . . . 8 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → (𝐶o suc 𝑦) ∈ On)
55 ontr1 6430 . . . . . . . 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 694 . . . . . 6 ((𝐶 ∈ (On ∖ 2o) ∧ 𝑦 ∈ On) → ((𝐶o 𝐴) ∈ (𝐶o 𝑦) → (𝐶o 𝐴) ∈ (𝐶o suc 𝑦)))
5857expcom 413 . . . . 5 (𝑦 ∈ On → (𝐶 ∈ (On ∖ 2o) → ((𝐶o 𝐴) ∈ (𝐶o 𝑦) → (𝐶o 𝐴) ∈ (𝐶o suc 𝑦))))
5958adantr 480 . . . 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 bi2.04 387 . . . . . 6 ((𝐴𝑦 → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑦))) ↔ (𝐶 ∈ (On ∖ 2o) → (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦))))
6261ralbii 3093 . . . . 5 (∀𝑦𝑥 (𝐴𝑦 → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑦))) ↔ ∀𝑦𝑥 (𝐶 ∈ (On ∖ 2o) → (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦))))
63 r19.21v 3180 . . . . 5 (∀𝑦𝑥 (𝐶 ∈ (On ∖ 2o) → (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦))) ↔ (𝐶 ∈ (On ∖ 2o) → ∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦))))
6462, 63bitri 275 . . . 4 (∀𝑦𝑥 (𝐴𝑦 → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝑦))) ↔ (𝐶 ∈ (On ∖ 2o) → ∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦))))
65 limsuc 7870 . . . . . . . . . 10 (Lim 𝑥 → (𝐴𝑥 ↔ suc 𝐴𝑥))
6665biimpa 476 . . . . . . . . 9 ((Lim 𝑥𝐴𝑥) → suc 𝐴𝑥)
67 elex 3501 . . . . . . . . . . . . 13 (suc 𝐴𝑥 → suc 𝐴 ∈ V)
68 sucexb 7824 . . . . . . . . . . . . . 14 (𝐴 ∈ V ↔ suc 𝐴 ∈ V)
69 sucidg 6465 . . . . . . . . . . . . . 14 (𝐴 ∈ V → 𝐴 ∈ suc 𝐴)
7068, 69sylbir 235 . . . . . . . . . . . . 13 (suc 𝐴 ∈ V → 𝐴 ∈ suc 𝐴)
7167, 70syl 17 . . . . . . . . . . . 12 (suc 𝐴𝑥𝐴 ∈ suc 𝐴)
72 eleq2 2830 . . . . . . . . . . . . . 14 (𝑦 = suc 𝐴 → (𝐴𝑦𝐴 ∈ suc 𝐴))
73 oveq2 7439 . . . . . . . . . . . . . . 15 (𝑦 = suc 𝐴 → (𝐶o 𝑦) = (𝐶o suc 𝐴))
7473eleq2d 2827 . . . . . . . . . . . . . 14 (𝑦 = suc 𝐴 → ((𝐶o 𝐴) ∈ (𝐶o 𝑦) ↔ (𝐶o 𝐴) ∈ (𝐶o suc 𝐴)))
7572, 74imbi12d 344 . . . . . . . . . . . . 13 (𝑦 = suc 𝐴 → ((𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) ↔ (𝐴 ∈ suc 𝐴 → (𝐶o 𝐴) ∈ (𝐶o suc 𝐴))))
7675rspcv 3618 . . . . . . . . . . . 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 555 . . . . . . . . . 10 (suc 𝐴𝑥 → (∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (suc 𝐴𝑥 ∧ (𝐶o 𝐴) ∈ (𝐶o suc 𝐴))))
7973eliuni 4997 . . . . . . . . . 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 480 . . . . . . 7 (((Lim 𝑥𝐴𝑥) ∧ 𝐶 ∈ (On ∖ 2o)) → (∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (𝐶o 𝐴) ∈ 𝑦𝑥 (𝐶o 𝑦)))
8313adantl 481 . . . . . . . . . 10 ((Lim 𝑥𝐶 ∈ (On ∖ 2o)) → 𝐶 ∈ On)
84 simpl 482 . . . . . . . . . 10 ((Lim 𝑥𝐶 ∈ (On ∖ 2o)) → Lim 𝑥)
8523adantl 481 . . . . . . . . . 10 ((Lim 𝑥𝐶 ∈ (On ∖ 2o)) → ∅ ∈ 𝐶)
86 vex 3484 . . . . . . . . . . 11 𝑥 ∈ V
87 oelim 8572 . . . . . . . . . . 11 (((𝐶 ∈ On ∧ (𝑥 ∈ V ∧ Lim 𝑥)) ∧ ∅ ∈ 𝐶) → (𝐶o 𝑥) = 𝑦𝑥 (𝐶o 𝑦))
8886, 87mpanlr1 706 . . . . . . . . . 10 (((𝐶 ∈ On ∧ Lim 𝑥) ∧ ∅ ∈ 𝐶) → (𝐶o 𝑥) = 𝑦𝑥 (𝐶o 𝑦))
8983, 84, 85, 88syl21anc 838 . . . . . . . . 9 ((Lim 𝑥𝐶 ∈ (On ∖ 2o)) → (𝐶o 𝑥) = 𝑦𝑥 (𝐶o 𝑦))
9089adantlr 715 . . . . . . . 8 (((Lim 𝑥𝐴𝑥) ∧ 𝐶 ∈ (On ∖ 2o)) → (𝐶o 𝑥) = 𝑦𝑥 (𝐶o 𝑦))
9190eleq2d 2827 . . . . . . 7 (((Lim 𝑥𝐴𝑥) ∧ 𝐶 ∈ (On ∖ 2o)) → ((𝐶o 𝐴) ∈ (𝐶o 𝑥) ↔ (𝐶o 𝐴) ∈ 𝑦𝑥 (𝐶o 𝑦)))
9282, 91sylibrd 259 . . . . . 6 (((Lim 𝑥𝐴𝑥) ∧ 𝐶 ∈ (On ∖ 2o)) → (∀𝑦𝑥 (𝐴𝑦 → (𝐶o 𝐴) ∈ (𝐶o 𝑦)) → (𝐶o 𝐴) ∈ (𝐶o 𝑥)))
9392ex 412 . . . . 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, 94biimtrid 242 . . 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 7883 . 2 ((𝐵 ∈ On ∧ 𝐴𝐵) → (𝐶 ∈ (On ∖ 2o) → (𝐶o 𝐴) ∈ (𝐶o 𝐵)))
9796impancom 451 1 ((𝐵 ∈ On ∧ 𝐶 ∈ (On ∖ 2o)) → (𝐴𝐵 → (𝐶o 𝐴) ∈ (𝐶o 𝐵)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1540  wcel 2108  wral 3061  Vcvv 3480  cdif 3948  c0 4333   ciun 4991  Oncon0 6384  Lim wlim 6385  suc csuc 6386  (class class class)co 7431  1oc1o 8499  2oc2o 8500   ·o comu 8504  o coe 8505
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2157  ax-12 2177  ax-ext 2708  ax-rep 5279  ax-sep 5296  ax-nul 5306  ax-pr 5432  ax-un 7755
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2065  df-mo 2540  df-eu 2569  df-clab 2715  df-cleq 2729  df-clel 2816  df-nfc 2892  df-ne 2941  df-ral 3062  df-rex 3071  df-reu 3381  df-rab 3437  df-v 3482  df-sbc 3789  df-csb 3900  df-dif 3954  df-un 3956  df-in 3958  df-ss 3968  df-pss 3971  df-nul 4334  df-if 4526  df-pw 4602  df-sn 4627  df-pr 4629  df-op 4633  df-uni 4908  df-iun 4993  df-br 5144  df-opab 5206  df-mpt 5226  df-tr 5260  df-id 5578  df-eprel 5584  df-po 5592  df-so 5593  df-fr 5637  df-we 5639  df-xp 5691  df-rel 5692  df-cnv 5693  df-co 5694  df-dm 5695  df-rn 5696  df-res 5697  df-ima 5698  df-pred 6321  df-ord 6387  df-on 6388  df-lim 6389  df-suc 6390  df-iota 6514  df-fun 6563  df-fn 6564  df-f 6565  df-f1 6566  df-fo 6567  df-f1o 6568  df-fv 6569  df-ov 7434  df-oprab 7435  df-mpo 7436  df-om 7888  df-2nd 8015  df-frecs 8306  df-wrecs 8337  df-recs 8411  df-rdg 8450  df-1o 8506  df-2o 8507  df-oadd 8510  df-omul 8511  df-oexp 8512
This theorem is referenced by:  oeord  8626  oecan  8627  oeworde  8631  oelimcl  8638  oeord2lim  43322  oeord2i  43323  omcl2  43346
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