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Theorem fin23lem34 10102
Description: Lemma for fin23 10145. Establish induction invariants on 𝑌 which parameterizes our contradictory chain of subsets. In this section, is the hypothetically assumed family of subsets, 𝑔 is the ground set, and 𝑖 is the induction function constructed in the previous section. (Contributed by Stefan O'Rear, 2-Nov-2014.)
Hypotheses
Ref Expression
fin23lem33.f 𝐹 = {𝑔 ∣ ∀𝑎 ∈ (𝒫 𝑔m ω)(∀𝑥 ∈ ω (𝑎‘suc 𝑥) ⊆ (𝑎𝑥) → ran 𝑎 ∈ ran 𝑎)}
fin23lem.f (𝜑:ω–1-1→V)
fin23lem.g (𝜑 ran 𝐺)
fin23lem.h (𝜑 → ∀𝑗((𝑗:ω–1-1→V ∧ ran 𝑗𝐺) → ((𝑖𝑗):ω–1-1→V ∧ ran (𝑖𝑗) ⊊ ran 𝑗)))
fin23lem.i 𝑌 = (rec(𝑖, ) ↾ ω)
Assertion
Ref Expression
fin23lem34 ((𝜑𝐴 ∈ ω) → ((𝑌𝐴):ω–1-1→V ∧ ran (𝑌𝐴) ⊆ 𝐺))
Distinct variable groups:   𝑔,𝑎,𝑖,𝑗,𝑥   𝐴,𝑎,𝑗   ,𝑎,𝐺,𝑔,𝑖,𝑗,𝑥   𝐹,𝑎   𝜑,𝑎,𝑗   𝑌,𝑎,𝑗
Allowed substitution hints:   𝜑(𝑥,𝑔,,𝑖)   𝐴(𝑥,𝑔,,𝑖)   𝐹(𝑥,𝑔,,𝑖,𝑗)   𝑌(𝑥,𝑔,,𝑖)

Proof of Theorem fin23lem34
Dummy variable 𝑏 is distinct from all other variables.
StepHypRef Expression
1 fveq2 6774 . . . . . 6 (𝑎 = ∅ → (𝑌𝑎) = (𝑌‘∅))
2 f1eq1 6665 . . . . . 6 ((𝑌𝑎) = (𝑌‘∅) → ((𝑌𝑎):ω–1-1→V ↔ (𝑌‘∅):ω–1-1→V))
31, 2syl 17 . . . . 5 (𝑎 = ∅ → ((𝑌𝑎):ω–1-1→V ↔ (𝑌‘∅):ω–1-1→V))
41rneqd 5847 . . . . . . 7 (𝑎 = ∅ → ran (𝑌𝑎) = ran (𝑌‘∅))
54unieqd 4853 . . . . . 6 (𝑎 = ∅ → ran (𝑌𝑎) = ran (𝑌‘∅))
65sseq1d 3952 . . . . 5 (𝑎 = ∅ → ( ran (𝑌𝑎) ⊆ 𝐺 ran (𝑌‘∅) ⊆ 𝐺))
73, 6anbi12d 631 . . . 4 (𝑎 = ∅ → (((𝑌𝑎):ω–1-1→V ∧ ran (𝑌𝑎) ⊆ 𝐺) ↔ ((𝑌‘∅):ω–1-1→V ∧ ran (𝑌‘∅) ⊆ 𝐺)))
87imbi2d 341 . . 3 (𝑎 = ∅ → ((𝜑 → ((𝑌𝑎):ω–1-1→V ∧ ran (𝑌𝑎) ⊆ 𝐺)) ↔ (𝜑 → ((𝑌‘∅):ω–1-1→V ∧ ran (𝑌‘∅) ⊆ 𝐺))))
9 fveq2 6774 . . . . . 6 (𝑎 = 𝑏 → (𝑌𝑎) = (𝑌𝑏))
10 f1eq1 6665 . . . . . 6 ((𝑌𝑎) = (𝑌𝑏) → ((𝑌𝑎):ω–1-1→V ↔ (𝑌𝑏):ω–1-1→V))
119, 10syl 17 . . . . 5 (𝑎 = 𝑏 → ((𝑌𝑎):ω–1-1→V ↔ (𝑌𝑏):ω–1-1→V))
129rneqd 5847 . . . . . . 7 (𝑎 = 𝑏 → ran (𝑌𝑎) = ran (𝑌𝑏))
1312unieqd 4853 . . . . . 6 (𝑎 = 𝑏 ran (𝑌𝑎) = ran (𝑌𝑏))
1413sseq1d 3952 . . . . 5 (𝑎 = 𝑏 → ( ran (𝑌𝑎) ⊆ 𝐺 ran (𝑌𝑏) ⊆ 𝐺))
1511, 14anbi12d 631 . . . 4 (𝑎 = 𝑏 → (((𝑌𝑎):ω–1-1→V ∧ ran (𝑌𝑎) ⊆ 𝐺) ↔ ((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺)))
1615imbi2d 341 . . 3 (𝑎 = 𝑏 → ((𝜑 → ((𝑌𝑎):ω–1-1→V ∧ ran (𝑌𝑎) ⊆ 𝐺)) ↔ (𝜑 → ((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺))))
17 fveq2 6774 . . . . . 6 (𝑎 = suc 𝑏 → (𝑌𝑎) = (𝑌‘suc 𝑏))
18 f1eq1 6665 . . . . . 6 ((𝑌𝑎) = (𝑌‘suc 𝑏) → ((𝑌𝑎):ω–1-1→V ↔ (𝑌‘suc 𝑏):ω–1-1→V))
1917, 18syl 17 . . . . 5 (𝑎 = suc 𝑏 → ((𝑌𝑎):ω–1-1→V ↔ (𝑌‘suc 𝑏):ω–1-1→V))
2017rneqd 5847 . . . . . . 7 (𝑎 = suc 𝑏 → ran (𝑌𝑎) = ran (𝑌‘suc 𝑏))
2120unieqd 4853 . . . . . 6 (𝑎 = suc 𝑏 ran (𝑌𝑎) = ran (𝑌‘suc 𝑏))
2221sseq1d 3952 . . . . 5 (𝑎 = suc 𝑏 → ( ran (𝑌𝑎) ⊆ 𝐺 ran (𝑌‘suc 𝑏) ⊆ 𝐺))
2319, 22anbi12d 631 . . . 4 (𝑎 = suc 𝑏 → (((𝑌𝑎):ω–1-1→V ∧ ran (𝑌𝑎) ⊆ 𝐺) ↔ ((𝑌‘suc 𝑏):ω–1-1→V ∧ ran (𝑌‘suc 𝑏) ⊆ 𝐺)))
2423imbi2d 341 . . 3 (𝑎 = suc 𝑏 → ((𝜑 → ((𝑌𝑎):ω–1-1→V ∧ ran (𝑌𝑎) ⊆ 𝐺)) ↔ (𝜑 → ((𝑌‘suc 𝑏):ω–1-1→V ∧ ran (𝑌‘suc 𝑏) ⊆ 𝐺))))
25 fveq2 6774 . . . . . 6 (𝑎 = 𝐴 → (𝑌𝑎) = (𝑌𝐴))
26 f1eq1 6665 . . . . . 6 ((𝑌𝑎) = (𝑌𝐴) → ((𝑌𝑎):ω–1-1→V ↔ (𝑌𝐴):ω–1-1→V))
2725, 26syl 17 . . . . 5 (𝑎 = 𝐴 → ((𝑌𝑎):ω–1-1→V ↔ (𝑌𝐴):ω–1-1→V))
2825rneqd 5847 . . . . . . 7 (𝑎 = 𝐴 → ran (𝑌𝑎) = ran (𝑌𝐴))
2928unieqd 4853 . . . . . 6 (𝑎 = 𝐴 ran (𝑌𝑎) = ran (𝑌𝐴))
3029sseq1d 3952 . . . . 5 (𝑎 = 𝐴 → ( ran (𝑌𝑎) ⊆ 𝐺 ran (𝑌𝐴) ⊆ 𝐺))
3127, 30anbi12d 631 . . . 4 (𝑎 = 𝐴 → (((𝑌𝑎):ω–1-1→V ∧ ran (𝑌𝑎) ⊆ 𝐺) ↔ ((𝑌𝐴):ω–1-1→V ∧ ran (𝑌𝐴) ⊆ 𝐺)))
3231imbi2d 341 . . 3 (𝑎 = 𝐴 → ((𝜑 → ((𝑌𝑎):ω–1-1→V ∧ ran (𝑌𝑎) ⊆ 𝐺)) ↔ (𝜑 → ((𝑌𝐴):ω–1-1→V ∧ ran (𝑌𝐴) ⊆ 𝐺))))
33 fin23lem.f . . . 4 (𝜑:ω–1-1→V)
34 fin23lem.g . . . 4 (𝜑 ran 𝐺)
35 fin23lem.i . . . . . . . 8 𝑌 = (rec(𝑖, ) ↾ ω)
3635fveq1i 6775 . . . . . . 7 (𝑌‘∅) = ((rec(𝑖, ) ↾ ω)‘∅)
37 fr0g 8267 . . . . . . . 8 ( ∈ V → ((rec(𝑖, ) ↾ ω)‘∅) = )
3837elv 3438 . . . . . . 7 ((rec(𝑖, ) ↾ ω)‘∅) =
3936, 38eqtri 2766 . . . . . 6 (𝑌‘∅) =
40 f1eq1 6665 . . . . . 6 ((𝑌‘∅) = → ((𝑌‘∅):ω–1-1→V ↔ :ω–1-1→V))
4139, 40ax-mp 5 . . . . 5 ((𝑌‘∅):ω–1-1→V ↔ :ω–1-1→V)
4239rneqi 5846 . . . . . . 7 ran (𝑌‘∅) = ran
4342unieqi 4852 . . . . . 6 ran (𝑌‘∅) = ran
4443sseq1i 3949 . . . . 5 ( ran (𝑌‘∅) ⊆ 𝐺 ran 𝐺)
4541, 44anbi12i 627 . . . 4 (((𝑌‘∅):ω–1-1→V ∧ ran (𝑌‘∅) ⊆ 𝐺) ↔ (:ω–1-1→V ∧ ran 𝐺))
4633, 34, 45sylanbrc 583 . . 3 (𝜑 → ((𝑌‘∅):ω–1-1→V ∧ ran (𝑌‘∅) ⊆ 𝐺))
47 fin23lem.h . . . . . . . . . 10 (𝜑 → ∀𝑗((𝑗:ω–1-1→V ∧ ran 𝑗𝐺) → ((𝑖𝑗):ω–1-1→V ∧ ran (𝑖𝑗) ⊊ ran 𝑗)))
48 fvex 6787 . . . . . . . . . . 11 (𝑌𝑏) ∈ V
49 f1eq1 6665 . . . . . . . . . . . . 13 (𝑗 = (𝑌𝑏) → (𝑗:ω–1-1→V ↔ (𝑌𝑏):ω–1-1→V))
50 rneq 5845 . . . . . . . . . . . . . . 15 (𝑗 = (𝑌𝑏) → ran 𝑗 = ran (𝑌𝑏))
5150unieqd 4853 . . . . . . . . . . . . . 14 (𝑗 = (𝑌𝑏) → ran 𝑗 = ran (𝑌𝑏))
5251sseq1d 3952 . . . . . . . . . . . . 13 (𝑗 = (𝑌𝑏) → ( ran 𝑗𝐺 ran (𝑌𝑏) ⊆ 𝐺))
5349, 52anbi12d 631 . . . . . . . . . . . 12 (𝑗 = (𝑌𝑏) → ((𝑗:ω–1-1→V ∧ ran 𝑗𝐺) ↔ ((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺)))
54 fveq2 6774 . . . . . . . . . . . . . 14 (𝑗 = (𝑌𝑏) → (𝑖𝑗) = (𝑖‘(𝑌𝑏)))
55 f1eq1 6665 . . . . . . . . . . . . . 14 ((𝑖𝑗) = (𝑖‘(𝑌𝑏)) → ((𝑖𝑗):ω–1-1→V ↔ (𝑖‘(𝑌𝑏)):ω–1-1→V))
5654, 55syl 17 . . . . . . . . . . . . 13 (𝑗 = (𝑌𝑏) → ((𝑖𝑗):ω–1-1→V ↔ (𝑖‘(𝑌𝑏)):ω–1-1→V))
5754rneqd 5847 . . . . . . . . . . . . . . 15 (𝑗 = (𝑌𝑏) → ran (𝑖𝑗) = ran (𝑖‘(𝑌𝑏)))
5857unieqd 4853 . . . . . . . . . . . . . 14 (𝑗 = (𝑌𝑏) → ran (𝑖𝑗) = ran (𝑖‘(𝑌𝑏)))
5958, 51psseq12d 4029 . . . . . . . . . . . . 13 (𝑗 = (𝑌𝑏) → ( ran (𝑖𝑗) ⊊ ran 𝑗 ran (𝑖‘(𝑌𝑏)) ⊊ ran (𝑌𝑏)))
6056, 59anbi12d 631 . . . . . . . . . . . 12 (𝑗 = (𝑌𝑏) → (((𝑖𝑗):ω–1-1→V ∧ ran (𝑖𝑗) ⊊ ran 𝑗) ↔ ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊊ ran (𝑌𝑏))))
6153, 60imbi12d 345 . . . . . . . . . . 11 (𝑗 = (𝑌𝑏) → (((𝑗:ω–1-1→V ∧ ran 𝑗𝐺) → ((𝑖𝑗):ω–1-1→V ∧ ran (𝑖𝑗) ⊊ ran 𝑗)) ↔ (((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺) → ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊊ ran (𝑌𝑏)))))
6248, 61spcv 3544 . . . . . . . . . 10 (∀𝑗((𝑗:ω–1-1→V ∧ ran 𝑗𝐺) → ((𝑖𝑗):ω–1-1→V ∧ ran (𝑖𝑗) ⊊ ran 𝑗)) → (((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺) → ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊊ ran (𝑌𝑏))))
6347, 62syl 17 . . . . . . . . 9 (𝜑 → (((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺) → ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊊ ran (𝑌𝑏))))
6463imp 407 . . . . . . . 8 ((𝜑 ∧ ((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺)) → ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊊ ran (𝑌𝑏)))
65 pssss 4030 . . . . . . . . . . . 12 ( ran (𝑖‘(𝑌𝑏)) ⊊ ran (𝑌𝑏) → ran (𝑖‘(𝑌𝑏)) ⊆ ran (𝑌𝑏))
66 sstr 3929 . . . . . . . . . . . 12 (( ran (𝑖‘(𝑌𝑏)) ⊆ ran (𝑌𝑏) ∧ ran (𝑌𝑏) ⊆ 𝐺) → ran (𝑖‘(𝑌𝑏)) ⊆ 𝐺)
6765, 66sylan 580 . . . . . . . . . . 11 (( ran (𝑖‘(𝑌𝑏)) ⊊ ran (𝑌𝑏) ∧ ran (𝑌𝑏) ⊆ 𝐺) → ran (𝑖‘(𝑌𝑏)) ⊆ 𝐺)
6867expcom 414 . . . . . . . . . 10 ( ran (𝑌𝑏) ⊆ 𝐺 → ( ran (𝑖‘(𝑌𝑏)) ⊊ ran (𝑌𝑏) → ran (𝑖‘(𝑌𝑏)) ⊆ 𝐺))
6968anim2d 612 . . . . . . . . 9 ( ran (𝑌𝑏) ⊆ 𝐺 → (((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊊ ran (𝑌𝑏)) → ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊆ 𝐺)))
7069ad2antll 726 . . . . . . . 8 ((𝜑 ∧ ((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺)) → (((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊊ ran (𝑌𝑏)) → ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊆ 𝐺)))
7164, 70mpd 15 . . . . . . 7 ((𝜑 ∧ ((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺)) → ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊆ 𝐺))
72713adant1 1129 . . . . . 6 ((𝑏 ∈ ω ∧ 𝜑 ∧ ((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺)) → ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊆ 𝐺))
73 frsuc 8268 . . . . . . . . 9 (𝑏 ∈ ω → ((rec(𝑖, ) ↾ ω)‘suc 𝑏) = (𝑖‘((rec(𝑖, ) ↾ ω)‘𝑏)))
7435fveq1i 6775 . . . . . . . . 9 (𝑌‘suc 𝑏) = ((rec(𝑖, ) ↾ ω)‘suc 𝑏)
7535fveq1i 6775 . . . . . . . . . 10 (𝑌𝑏) = ((rec(𝑖, ) ↾ ω)‘𝑏)
7675fveq2i 6777 . . . . . . . . 9 (𝑖‘(𝑌𝑏)) = (𝑖‘((rec(𝑖, ) ↾ ω)‘𝑏))
7773, 74, 763eqtr4g 2803 . . . . . . . 8 (𝑏 ∈ ω → (𝑌‘suc 𝑏) = (𝑖‘(𝑌𝑏)))
78 f1eq1 6665 . . . . . . . . 9 ((𝑌‘suc 𝑏) = (𝑖‘(𝑌𝑏)) → ((𝑌‘suc 𝑏):ω–1-1→V ↔ (𝑖‘(𝑌𝑏)):ω–1-1→V))
79 rneq 5845 . . . . . . . . . . 11 ((𝑌‘suc 𝑏) = (𝑖‘(𝑌𝑏)) → ran (𝑌‘suc 𝑏) = ran (𝑖‘(𝑌𝑏)))
8079unieqd 4853 . . . . . . . . . 10 ((𝑌‘suc 𝑏) = (𝑖‘(𝑌𝑏)) → ran (𝑌‘suc 𝑏) = ran (𝑖‘(𝑌𝑏)))
8180sseq1d 3952 . . . . . . . . 9 ((𝑌‘suc 𝑏) = (𝑖‘(𝑌𝑏)) → ( ran (𝑌‘suc 𝑏) ⊆ 𝐺 ran (𝑖‘(𝑌𝑏)) ⊆ 𝐺))
8278, 81anbi12d 631 . . . . . . . 8 ((𝑌‘suc 𝑏) = (𝑖‘(𝑌𝑏)) → (((𝑌‘suc 𝑏):ω–1-1→V ∧ ran (𝑌‘suc 𝑏) ⊆ 𝐺) ↔ ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊆ 𝐺)))
8377, 82syl 17 . . . . . . 7 (𝑏 ∈ ω → (((𝑌‘suc 𝑏):ω–1-1→V ∧ ran (𝑌‘suc 𝑏) ⊆ 𝐺) ↔ ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊆ 𝐺)))
84833ad2ant1 1132 . . . . . 6 ((𝑏 ∈ ω ∧ 𝜑 ∧ ((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺)) → (((𝑌‘suc 𝑏):ω–1-1→V ∧ ran (𝑌‘suc 𝑏) ⊆ 𝐺) ↔ ((𝑖‘(𝑌𝑏)):ω–1-1→V ∧ ran (𝑖‘(𝑌𝑏)) ⊆ 𝐺)))
8572, 84mpbird 256 . . . . 5 ((𝑏 ∈ ω ∧ 𝜑 ∧ ((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺)) → ((𝑌‘suc 𝑏):ω–1-1→V ∧ ran (𝑌‘suc 𝑏) ⊆ 𝐺))
86853exp 1118 . . . 4 (𝑏 ∈ ω → (𝜑 → (((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺) → ((𝑌‘suc 𝑏):ω–1-1→V ∧ ran (𝑌‘suc 𝑏) ⊆ 𝐺))))
8786a2d 29 . . 3 (𝑏 ∈ ω → ((𝜑 → ((𝑌𝑏):ω–1-1→V ∧ ran (𝑌𝑏) ⊆ 𝐺)) → (𝜑 → ((𝑌‘suc 𝑏):ω–1-1→V ∧ ran (𝑌‘suc 𝑏) ⊆ 𝐺))))
888, 16, 24, 32, 46, 87finds 7745 . 2 (𝐴 ∈ ω → (𝜑 → ((𝑌𝐴):ω–1-1→V ∧ ran (𝑌𝐴) ⊆ 𝐺)))
8988impcom 408 1 ((𝜑𝐴 ∈ ω) → ((𝑌𝐴):ω–1-1→V ∧ ran (𝑌𝐴) ⊆ 𝐺))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wa 396  w3a 1086  wal 1537   = wceq 1539  wcel 2106  {cab 2715  wral 3064  Vcvv 3432  wss 3887  wpss 3888  c0 4256  𝒫 cpw 4533   cuni 4839   cint 4879  ran crn 5590  cres 5591  suc csuc 6268  1-1wf1 6430  cfv 6433  (class class class)co 7275  ωcom 7712  reccrdg 8240  m cmap 8615
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-sep 5223  ax-nul 5230  ax-pr 5352  ax-un 7588
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3or 1087  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-ral 3069  df-rex 3070  df-reu 3072  df-rab 3073  df-v 3434  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-pss 3906  df-nul 4257  df-if 4460  df-pw 4535  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-iun 4926  df-br 5075  df-opab 5137  df-mpt 5158  df-tr 5192  df-id 5489  df-eprel 5495  df-po 5503  df-so 5504  df-fr 5544  df-we 5546  df-xp 5595  df-rel 5596  df-cnv 5597  df-co 5598  df-dm 5599  df-rn 5600  df-res 5601  df-ima 5602  df-pred 6202  df-ord 6269  df-on 6270  df-lim 6271  df-suc 6272  df-iota 6391  df-fun 6435  df-fn 6436  df-f 6437  df-f1 6438  df-fo 6439  df-f1o 6440  df-fv 6441  df-ov 7278  df-om 7713  df-2nd 7832  df-frecs 8097  df-wrecs 8128  df-recs 8202  df-rdg 8241
This theorem is referenced by:  fin23lem35  10103  fin23lem39  10106
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