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Theorem limsupubuzlem 46995
Description: If the limsup is not +∞, then the function is bounded. (Contributed by Glauco Siliprandi, 23-Oct-2021.)
Hypotheses
Ref Expression
limsupubuzlem.j Ⅎ𝑗𝜑
limsupubuzlem.e Ⅎ𝑗𝑋
limsupubuzlem.m (𝜑 → 𝑀 ∈ ℤ)
limsupubuzlem.z 𝑍 = (ℤ≥‘𝑀)
limsupubuzlem.f (𝜑 → 𝐹:𝑍⟶ℝ)
limsupubuzlem.y (𝜑 → 𝑌 ∈ ℝ)
limsupubuzlem.k (𝜑 → 𝐾 ∈ ℝ)
limsupubuzlem.b (𝜑 → ∀𝑗 ∈ 𝑍 (𝐾 ≤ 𝑗 → (𝐹‘𝑗) ≤ 𝑌))
limsupubuzlem.n 𝑁 = if((⌈‘𝐾) ≤ 𝑀, 𝑀, (⌈‘𝐾))
limsupubuzlem.w 𝑊 = sup(ran (𝑗 ∈ (𝑀...𝑁) ↦ (𝐹‘𝑗)), ℝ, < )
limsupubuzlem.x 𝑋 = if(𝑊 ≤ 𝑌, 𝑌, 𝑊)
Assertion
Ref Expression
limsupubuzlem (𝜑 → ∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 (𝐹‘𝑗) ≤ 𝑥)
Distinct variable groups:   𝑥,𝐹   𝑗,𝑀   𝑗,𝑁   𝑥,𝑋   𝑥,𝑍   𝑥,𝑗
Allowed substitution hints:   𝜑(𝑥, 𝑗)   𝐹(𝑗)   𝐾(𝑥, 𝑗)   𝑀(𝑥)   𝑁(𝑥)   𝑊(𝑥, 𝑗)   𝑋(𝑗)   𝑌(𝑥, 𝑗)   𝑍(𝑗)

Proof of Theorem limsupubuzlem
Dummy variable 𝑏 is distinct from all other variables.
StepHypRef Expression
1 limsupubuzlem.x . . 3 𝑋 = if(𝑊 ≤ 𝑌, 𝑌, 𝑊)
2 limsupubuzlem.y . . . 4 (𝜑 → 𝑌 ∈ ℝ)
3 limsupubuzlem.w . . . . . 6 𝑊 = sup(ran (𝑗 ∈ (𝑀...𝑁) ↦ (𝐹‘𝑗)), ℝ, < )
43a1i 11 . . . . 5 (𝜑 → 𝑊 = sup(ran (𝑗 ∈ (𝑀...𝑁) ↦ (𝐹‘𝑗)), ℝ, < ))
5 limsupubuzlem.j . . . . . 6 Ⅎ𝑗𝜑
6 ltso 11429 . . . . . . 7 < Or ℝ
76a1i 11 . . . . . 6 (𝜑 → < Or ℝ)
8 fzfid 14156 . . . . . 6 (𝜑 → (𝑀...𝑁) ∈ Fin)
9 eqid 2763 . . . . . . . . 9 (ℤ≥‘𝑀) = (ℤ≥‘𝑀)
10 limsupubuzlem.m . . . . . . . . 9 (𝜑 → 𝑀 ∈ ℤ)
11 limsupubuzlem.n . . . . . . . . . . 11 𝑁 = if((⌈‘𝐾) ≤ 𝑀, 𝑀, (⌈‘𝐾))
1211a1i 11 . . . . . . . . . 10 (𝜑 → 𝑁 = if((⌈‘𝐾) ≤ 𝑀, 𝑀, (⌈‘𝐾)))
13 limsupubuzlem.k . . . . . . . . . . . 12 (𝜑 → 𝐾 ∈ ℝ)
14 ceilcl 14022 . . . . . . . . . . . 12 (𝐾 ∈ ℝ → (⌈‘𝐾) ∈ ℤ)
1513, 14syl 18 . . . . . . . . . . 11 (𝜑 → (⌈‘𝐾) ∈ ℤ)
1610, 15ifcld 4532 . . . . . . . . . 10 (𝜑 → if((⌈‘𝐾) ≤ 𝑀, 𝑀, (⌈‘𝐾)) ∈ ℤ)
1712, 16eqeltrd 2864 . . . . . . . . 9 (𝜑 → 𝑁 ∈ ℤ)
1815zred 12843 . . . . . . . . . . 11 (𝜑 → (⌈‘𝐾) ∈ ℝ)
1910zred 12843 . . . . . . . . . . 11 (𝜑 → 𝑀 ∈ ℝ)
20 max2 13357 . . . . . . . . . . 11 (((⌈‘𝐾) ∈ ℝ ∧ 𝑀 ∈ ℝ) → 𝑀 ≤ if((⌈‘𝐾) ≤ 𝑀, 𝑀, (⌈‘𝐾)))
2118, 19, 20syl2anc 596 . . . . . . . . . 10 (𝜑 → 𝑀 ≤ if((⌈‘𝐾) ≤ 𝑀, 𝑀, (⌈‘𝐾)))
2212eqcomd 2769 . . . . . . . . . 10 (𝜑 → if((⌈‘𝐾) ≤ 𝑀, 𝑀, (⌈‘𝐾)) = 𝑁)
2321, 22breqtrd 5137 . . . . . . . . 9 (𝜑 → 𝑀 ≤ 𝑁)
249, 10, 17, 23eluzd 46692 . . . . . . . 8 (𝜑 → 𝑁 ∈ (ℤ≥‘𝑀))
25 eluzfz2 13705 . . . . . . . 8 (𝑁 ∈ (ℤ≥‘𝑀) → 𝑁 ∈ (𝑀...𝑁))
2624, 25syl 18 . . . . . . 7 (𝜑 → 𝑁 ∈ (𝑀...𝑁))
2726ne0d 4291 . . . . . 6 (𝜑 → (𝑀...𝑁) ≠ ∅)
28 limsupubuzlem.f . . . . . . . 8 (𝜑 → 𝐹:𝑍⟶ℝ)
2928adantr 486 . . . . . . 7 ((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → 𝐹:𝑍⟶ℝ)
3010adantr 486 . . . . . . . . 9 ((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → 𝑀 ∈ ℤ)
31 elfzelz 13696 . . . . . . . . . 10 (𝑗 ∈ (𝑀...𝑁) → 𝑗 ∈ ℤ)
3231adantl 487 . . . . . . . . 9 ((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → 𝑗 ∈ ℤ)
33 elfzle1 13700 . . . . . . . . . 10 (𝑗 ∈ (𝑀...𝑁) → 𝑀 ≤ 𝑗)
3433adantl 487 . . . . . . . . 9 ((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → 𝑀 ≤ 𝑗)
359, 30, 32, 34eluzd 46692 . . . . . . . 8 ((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → 𝑗 ∈ (ℤ≥‘𝑀))
36 limsupubuzlem.z . . . . . . . 8 𝑍 = (ℤ≥‘𝑀)
3735, 36eleqtrrdi 2875 . . . . . . 7 ((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → 𝑗 ∈ 𝑍)
3829, 37ffvelcdmd 7117 . . . . . 6 ((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → (𝐹‘𝑗) ∈ ℝ)
395, 7, 8, 27, 38fisupclrnmpt 46682 . . . . 5 (𝜑 → sup(ran (𝑗 ∈ (𝑀...𝑁) ↦ (𝐹‘𝑗)), ℝ, < ) ∈ ℝ)
404, 39eqeltrd 2864 . . . 4 (𝜑 → 𝑊 ∈ ℝ)
412, 40ifcld 4532 . . 3 (𝜑 → if(𝑊 ≤ 𝑌, 𝑌, 𝑊) ∈ ℝ)
421, 41eqeltrid 2868 . 2 (𝜑 → 𝑋 ∈ ℝ)
4328ffvelcdmda 7116 . . . . . . 7 ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) ∈ ℝ)
4443adantr 486 . . . . . 6 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → (𝐹‘𝑗) ∈ ℝ)
4540ad2antrr 739 . . . . . 6 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → 𝑊 ∈ ℝ)
4642ad2antrr 739 . . . . . 6 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → 𝑋 ∈ ℝ)
47 simpll 779 . . . . . . 7 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → 𝜑)
4810ad2antrr 739 . . . . . . . 8 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → 𝑀 ∈ ℤ)
4917ad2antrr 739 . . . . . . . 8 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → 𝑁 ∈ ℤ)
5036eluzelz2 46686 . . . . . . . . 9 (𝑗 ∈ 𝑍 → 𝑗 ∈ ℤ)
5150ad2antlr 740 . . . . . . . 8 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → 𝑗 ∈ ℤ)
5236eleq2i 2856 . . . . . . . . . . 11 (𝑗 ∈ 𝑍 ↔ 𝑗 ∈ (ℤ≥‘𝑀))
5352biimpi 219 . . . . . . . . . 10 (𝑗 ∈ 𝑍 → 𝑗 ∈ (ℤ≥‘𝑀))
54 eluzle 13018 . . . . . . . . . 10 (𝑗 ∈ (ℤ≥‘𝑀) → 𝑀 ≤ 𝑗)
5553, 54syl 18 . . . . . . . . 9 (𝑗 ∈ 𝑍 → 𝑀 ≤ 𝑗)
5655ad2antlr 740 . . . . . . . 8 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → 𝑀 ≤ 𝑗)
57 simpr 490 . . . . . . . 8 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → 𝑗 ≤ 𝑁)
5848, 49, 51, 56, 57elfzd 13687 . . . . . . 7 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → 𝑗 ∈ (𝑀...𝑁))
595, 8, 38fimaxre4 46684 . . . . . . . . 9 (𝜑 → ∃𝑏 ∈ ℝ ∀𝑗 ∈ (𝑀...𝑁)(𝐹‘𝑗) ≤ 𝑏)
605, 38, 59suprubrnmpt 46538 . . . . . . . 8 ((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → (𝐹‘𝑗) ≤ sup(ran (𝑗 ∈ (𝑀...𝑁) ↦ (𝐹‘𝑗)), ℝ, < ))
6160, 3breqtrrdi 5153 . . . . . . 7 ((𝜑 ∧ 𝑗 ∈ (𝑀...𝑁)) → (𝐹‘𝑗) ≤ 𝑊)
6247, 58, 61syl2anc 596 . . . . . 6 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → (𝐹‘𝑗) ≤ 𝑊)
63 max1 13355 . . . . . . . . 9 ((𝑊 ∈ ℝ ∧ 𝑌 ∈ ℝ) → 𝑊 ≤ if(𝑊 ≤ 𝑌, 𝑌, 𝑊))
6440, 2, 63syl2anc 596 . . . . . . . 8 (𝜑 → 𝑊 ≤ if(𝑊 ≤ 𝑌, 𝑌, 𝑊))
6564, 1breqtrrdi 5153 . . . . . . 7 (𝜑 → 𝑊 ≤ 𝑋)
6665ad2antrr 739 . . . . . 6 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → 𝑊 ≤ 𝑋)
6744, 45, 46, 62, 66letrd 11506 . . . . 5 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝑗 ≤ 𝑁) → (𝐹‘𝑗) ≤ 𝑋)
6813ad2antrr 739 . . . . . . 7 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ ¬ 𝑗 ≤ 𝑁) → 𝐾 ∈ ℝ)
69 uzssre 13027 . . . . . . . . . 10 (ℤ≥‘𝑀) ⊆ ℝ
7036, 69eqsstri 3959 . . . . . . . . 9 𝑍 ⊆ ℝ
7170sseli 3909 . . . . . . . 8 (𝑗 ∈ 𝑍 → 𝑗 ∈ ℝ)
7271ad2antlr 740 . . . . . . 7 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ ¬ 𝑗 ≤ 𝑁) → 𝑗 ∈ ℝ)
7369, 24sselid 3911 . . . . . . . . 9 (𝜑 → 𝑁 ∈ ℝ)
7473ad2antrr 739 . . . . . . . 8 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ ¬ 𝑗 ≤ 𝑁) → 𝑁 ∈ ℝ)
75 ceilge 14025 . . . . . . . . . . 11 (𝐾 ∈ ℝ → 𝐾 ≤ (⌈‘𝐾))
7613, 75syl 18 . . . . . . . . . 10 (𝜑 → 𝐾 ≤ (⌈‘𝐾))
77 max1 13355 . . . . . . . . . . . 12 (((⌈‘𝐾) ∈ ℝ ∧ 𝑀 ∈ ℝ) → (⌈‘𝐾) ≤ if((⌈‘𝐾) ≤ 𝑀, 𝑀, (⌈‘𝐾)))
7818, 19, 77syl2anc 596 . . . . . . . . . . 11 (𝜑 → (⌈‘𝐾) ≤ if((⌈‘𝐾) ≤ 𝑀, 𝑀, (⌈‘𝐾)))
7978, 22breqtrd 5137 . . . . . . . . . 10 (𝜑 → (⌈‘𝐾) ≤ 𝑁)
8013, 18, 73, 76, 79letrd 11506 . . . . . . . . 9 (𝜑 → 𝐾 ≤ 𝑁)
8180ad2antrr 739 . . . . . . . 8 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ ¬ 𝑗 ≤ 𝑁) → 𝐾 ≤ 𝑁)
82 simpr 490 . . . . . . . . 9 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ ¬ 𝑗 ≤ 𝑁) → ¬ 𝑗 ≤ 𝑁)
8374, 72ltnled 11496 . . . . . . . . 9 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ ¬ 𝑗 ≤ 𝑁) → (𝑁 < 𝑗 ↔ ¬ 𝑗 ≤ 𝑁))
8482, 83mpbird 260 . . . . . . . 8 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ ¬ 𝑗 ≤ 𝑁) → 𝑁 < 𝑗)
8568, 74, 72, 81, 84lelttrd 11507 . . . . . . 7 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ ¬ 𝑗 ≤ 𝑁) → 𝐾 < 𝑗)
8668, 72, 85ltled 11497 . . . . . 6 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ ¬ 𝑗 ≤ 𝑁) → 𝐾 ≤ 𝑗)
8743adantr 486 . . . . . . 7 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝐾 ≤ 𝑗) → (𝐹‘𝑗) ∈ ℝ)
882ad2antrr 739 . . . . . . 7 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝐾 ≤ 𝑗) → 𝑌 ∈ ℝ)
8942ad2antrr 739 . . . . . . 7 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝐾 ≤ 𝑗) → 𝑋 ∈ ℝ)
90 simpr 490 . . . . . . . 8 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝐾 ≤ 𝑗) → 𝐾 ≤ 𝑗)
91 limsupubuzlem.b . . . . . . . . . 10 (𝜑 → ∀𝑗 ∈ 𝑍 (𝐾 ≤ 𝑗 → (𝐹‘𝑗) ≤ 𝑌))
9291r19.21bi 3258 . . . . . . . . 9 ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐾 ≤ 𝑗 → (𝐹‘𝑗) ≤ 𝑌))
9392adantr 486 . . . . . . . 8 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝐾 ≤ 𝑗) → (𝐾 ≤ 𝑗 → (𝐹‘𝑗) ≤ 𝑌))
9490, 93mpd 16 . . . . . . 7 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝐾 ≤ 𝑗) → (𝐹‘𝑗) ≤ 𝑌)
95 max2 13357 . . . . . . . . . 10 ((𝑊 ∈ ℝ ∧ 𝑌 ∈ ℝ) → 𝑌 ≤ if(𝑊 ≤ 𝑌, 𝑌, 𝑊))
9640, 2, 95syl2anc 596 . . . . . . . . 9 (𝜑 → 𝑌 ≤ if(𝑊 ≤ 𝑌, 𝑌, 𝑊))
9796, 1breqtrrdi 5153 . . . . . . . 8 (𝜑 → 𝑌 ≤ 𝑋)
9897ad2antrr 739 . . . . . . 7 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝐾 ≤ 𝑗) → 𝑌 ≤ 𝑋)
9987, 88, 89, 94, 98letrd 11506 . . . . . 6 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ 𝐾 ≤ 𝑗) → (𝐹‘𝑗) ≤ 𝑋)
10086, 99syldan 603 . . . . 5 (((𝜑 ∧ 𝑗 ∈ 𝑍) ∧ ¬ 𝑗 ≤ 𝑁) → (𝐹‘𝑗) ≤ 𝑋)
10167, 100pm2.61dan 825 . . . 4 ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) ≤ 𝑋)
102101ex 418 . . 3 (𝜑 → (𝑗 ∈ 𝑍 → (𝐹‘𝑗) ≤ 𝑋))
1035, 102ralrimi 3264 . 2 (𝜑 → ∀𝑗 ∈ 𝑍 (𝐹‘𝑗) ≤ 𝑋)
104 nfv 1949 . . 3 Ⅎ𝑥∀𝑗 ∈ 𝑍 (𝐹‘𝑗) ≤ 𝑋
105 nfcv 2926 . . . . 5 Ⅎ𝑗𝑥
106 limsupubuzlem.e . . . . 5 Ⅎ𝑗𝑋
107105, 106nfeq 2939 . . . 4 Ⅎ𝑗 𝑥 = 𝑋
108 breq2 5112 . . . 4 (𝑥 = 𝑋 → ((𝐹‘𝑗) ≤ 𝑥 ↔ (𝐹‘𝑗) ≤ 𝑋))
109107, 108ralbid 3279 . . 3 (𝑥 = 𝑋 → (∀𝑗 ∈ 𝑍 (𝐹‘𝑗) ≤ 𝑥 ↔ ∀𝑗 ∈ 𝑍 (𝐹‘𝑗) ≤ 𝑋))
110104, 109rspce 3569 . 2 ((𝑋 ∈ ℝ ∧ ∀𝑗 ∈ 𝑍 (𝐹‘𝑗) ≤ 𝑋) → ∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 (𝐹‘𝑗) ≤ 𝑥)
11142, 103, 110syl2anc 596 1 (𝜑 → ∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 (𝐹‘𝑗) ≤ 𝑥)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ∧ wa 401   = wceq 1570  Ⅎwnf 1816   ∈ wcel 2147  Ⅎwnfc 2911  ∀wral 3080  ∃wrex 3090  ifcif 4485   class class class wbr 5108   ↦ cmpt 5192   Or wor 5565  ran crn 5659  ⟶wf 6562  ‘cfv 6566  (class class class)co 7451  supcsup 9469  ℝcr 11238   < clt 11382   ≤ cle 11383  ℤcz 12733  ℤ≥cuz 13005  ...cfz 13679  ⌈cceil 13971
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-10 2180  ax-11 2197  ax-12 2216  ax-ext 2735  ax-sep 5255  ax-nul 5266  ax-pow 5334  ax-pr 5398  ax-un 7783  ax-cnex 11295  ax-resscn 11296  ax-1cn 11297  ax-icn 11298  ax-addcl 11299  ax-addrcl 11300  ax-mulcl 11301  ax-mulrcl 11302  ax-mulcom 11303  ax-addass 11304  ax-mulass 11305  ax-distr 11306  ax-i2m1 11307  ax-1ne0 11308  ax-1rid 11309  ax-rnegex 11310  ax-rrecex 11311  ax-cnre 11312  ax-pre-lttri 11313  ax-pre-lttrn 11314  ax-pre-ltadd 11315  ax-pre-mulgt0 11316  ax-pre-sup 11317
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2102  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2839  df-nfc 2913  df-ne 2960  df-nel 3066  df-ral 3081  df-rex 3091  df-rmo 3369  df-reu 3370  df-rab 3417  df-v 3456  df-sbc 3743  df-csb 3852  df-ss 3901  df-pss 4017  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-pw 4562  df-sn 4589  df-pr 4591  df-op 4841  df-uni 4873  df-iun 4958  df-br 5109  df-opab 5174  df-mpt 5193  df-tr 5219  df-id 5553  df-eprel 5558  df-po 5566  df-so 5567  df-fr 5611  df-we 5613  df-xp 5664  df-rel 5665  df-cnv 5666  df-co 5667  df-dm 5668  df-rn 5669  df-res 5670  df-ima 5671  df-pred 6330  df-ord 6391  df-on 6392  df-lim 6393  df-suc 6394  df-iota 6520  df-fun 6568  df-fn 6569  df-f 6570  df-f1 6571  df-fo 6572  df-f1o 6573  df-fv 6574  df-riota 7408  df-ov 7454  df-oprab 7455  df-mpo 7456  df-om 7912  df-1st 8035  df-2nd 8036  df-frecs 8337  df-wrecs 8368  df-recs 8417  df-rdg 8456  df-1o 8514  df-er 8755  df-en 9012  df-dom 9013  df-sdom 9014  df-fin 9015  df-sup 9471  df-inf 9472  df-pnf 11384  df-mnf 11385  df-xr 11386  df-ltxr 11387  df-le 11388  df-sub 11582  df-neg 11583  df-nn 12376  df-n0 12647  df-z 12734  df-uz 13006  df-fz 13680  df-fl 13972  df-ceil 13973
This theorem is used by:  limsupubuz  46996
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