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Theorem supcnvlimsup 39408
Description: If a function on a set of upper integers has a real superior limit, the supremum of the rightmost parts of the function, converges to that superior limit. (Contributed by Glauco Siliprandi, 23-Oct-2021.)
Hypotheses
Ref Expression
supcnvlimsup.m (𝜑𝑀 ∈ ℤ)
supcnvlimsup.z 𝑍 = (ℤ𝑀)
supcnvlimsup.f (𝜑𝐹:𝑍⟶ℝ)
supcnvlimsup.r (𝜑 → (lim sup‘𝐹) ∈ ℝ)
Assertion
Ref Expression
supcnvlimsup (𝜑 → (𝑘𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑘)), ℝ*, < )) ⇝ (lim sup‘𝐹))
Distinct variable groups:   𝑘,𝐹   𝑘,𝑍
Allowed substitution hints:   𝜑(𝑘)   𝑀(𝑘)

Proof of Theorem supcnvlimsup
Dummy variables 𝑖 𝑗 𝑥 𝑛 𝑚 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 supcnvlimsup.z . . 3 𝑍 = (ℤ𝑀)
2 supcnvlimsup.m . . 3 (𝜑𝑀 ∈ ℤ)
3 supcnvlimsup.f . . . . . . . . 9 (𝜑𝐹:𝑍⟶ℝ)
43adantr 481 . . . . . . . 8 ((𝜑𝑛𝑍) → 𝐹:𝑍⟶ℝ)
5 id 22 . . . . . . . . . 10 (𝑛𝑍𝑛𝑍)
61, 5uzssd2 39143 . . . . . . . . 9 (𝑛𝑍 → (ℤ𝑛) ⊆ 𝑍)
76adantl 482 . . . . . . . 8 ((𝜑𝑛𝑍) → (ℤ𝑛) ⊆ 𝑍)
84, 7feqresmpt 6217 . . . . . . 7 ((𝜑𝑛𝑍) → (𝐹 ↾ (ℤ𝑛)) = (𝑚 ∈ (ℤ𝑛) ↦ (𝐹𝑚)))
98rneqd 5323 . . . . . 6 ((𝜑𝑛𝑍) → ran (𝐹 ↾ (ℤ𝑛)) = ran (𝑚 ∈ (ℤ𝑛) ↦ (𝐹𝑚)))
109supeq1d 8312 . . . . 5 ((𝜑𝑛𝑍) → sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ) = sup(ran (𝑚 ∈ (ℤ𝑛) ↦ (𝐹𝑚)), ℝ*, < ))
11 nfcv 2761 . . . . . . . . 9 𝑚𝐹
12 supcnvlimsup.r . . . . . . . . . 10 (𝜑 → (lim sup‘𝐹) ∈ ℝ)
1312renepnfd 10050 . . . . . . . . 9 (𝜑 → (lim sup‘𝐹) ≠ +∞)
1411, 1, 3, 13limsupubuz 39381 . . . . . . . 8 (𝜑 → ∃𝑥 ∈ ℝ ∀𝑚𝑍 (𝐹𝑚) ≤ 𝑥)
1514adantr 481 . . . . . . 7 ((𝜑𝑛𝑍) → ∃𝑥 ∈ ℝ ∀𝑚𝑍 (𝐹𝑚) ≤ 𝑥)
16 ssralv 3651 . . . . . . . . . 10 ((ℤ𝑛) ⊆ 𝑍 → (∀𝑚𝑍 (𝐹𝑚) ≤ 𝑥 → ∀𝑚 ∈ (ℤ𝑛)(𝐹𝑚) ≤ 𝑥))
176, 16syl 17 . . . . . . . . 9 (𝑛𝑍 → (∀𝑚𝑍 (𝐹𝑚) ≤ 𝑥 → ∀𝑚 ∈ (ℤ𝑛)(𝐹𝑚) ≤ 𝑥))
1817adantl 482 . . . . . . . 8 ((𝜑𝑛𝑍) → (∀𝑚𝑍 (𝐹𝑚) ≤ 𝑥 → ∀𝑚 ∈ (ℤ𝑛)(𝐹𝑚) ≤ 𝑥))
1918reximdv 3012 . . . . . . 7 ((𝜑𝑛𝑍) → (∃𝑥 ∈ ℝ ∀𝑚𝑍 (𝐹𝑚) ≤ 𝑥 → ∃𝑥 ∈ ℝ ∀𝑚 ∈ (ℤ𝑛)(𝐹𝑚) ≤ 𝑥))
2015, 19mpd 15 . . . . . 6 ((𝜑𝑛𝑍) → ∃𝑥 ∈ ℝ ∀𝑚 ∈ (ℤ𝑛)(𝐹𝑚) ≤ 𝑥)
21 nfv 1840 . . . . . . 7 𝑚(𝜑𝑛𝑍)
221eluzelz2 39126 . . . . . . . . 9 (𝑛𝑍𝑛 ∈ ℤ)
23 uzid 11662 . . . . . . . . 9 (𝑛 ∈ ℤ → 𝑛 ∈ (ℤ𝑛))
24 ne0i 3903 . . . . . . . . 9 (𝑛 ∈ (ℤ𝑛) → (ℤ𝑛) ≠ ∅)
2522, 23, 243syl 18 . . . . . . . 8 (𝑛𝑍 → (ℤ𝑛) ≠ ∅)
2625adantl 482 . . . . . . 7 ((𝜑𝑛𝑍) → (ℤ𝑛) ≠ ∅)
274adantr 481 . . . . . . . 8 (((𝜑𝑛𝑍) ∧ 𝑚 ∈ (ℤ𝑛)) → 𝐹:𝑍⟶ℝ)
287sselda 3588 . . . . . . . 8 (((𝜑𝑛𝑍) ∧ 𝑚 ∈ (ℤ𝑛)) → 𝑚𝑍)
2927, 28ffvelrnd 6326 . . . . . . 7 (((𝜑𝑛𝑍) ∧ 𝑚 ∈ (ℤ𝑛)) → (𝐹𝑚) ∈ ℝ)
3021, 26, 29supxrre3rnmpt 39155 . . . . . 6 ((𝜑𝑛𝑍) → (sup(ran (𝑚 ∈ (ℤ𝑛) ↦ (𝐹𝑚)), ℝ*, < ) ∈ ℝ ↔ ∃𝑥 ∈ ℝ ∀𝑚 ∈ (ℤ𝑛)(𝐹𝑚) ≤ 𝑥))
3120, 30mpbird 247 . . . . 5 ((𝜑𝑛𝑍) → sup(ran (𝑚 ∈ (ℤ𝑛) ↦ (𝐹𝑚)), ℝ*, < ) ∈ ℝ)
3210, 31eqeltrd 2698 . . . 4 ((𝜑𝑛𝑍) → sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ) ∈ ℝ)
33 eqid 2621 . . . 4 (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )) = (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))
3432, 33fmptd 6351 . . 3 (𝜑 → (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )):𝑍⟶ℝ)
35 eqid 2621 . . . . . . . . . 10 (ℤ𝑖) = (ℤ𝑖)
361eluzelz2 39126 . . . . . . . . . 10 (𝑖𝑍𝑖 ∈ ℤ)
3736peano2zd 11445 . . . . . . . . . 10 (𝑖𝑍 → (𝑖 + 1) ∈ ℤ)
3836zred 11442 . . . . . . . . . . 11 (𝑖𝑍𝑖 ∈ ℝ)
39 lep1 10822 . . . . . . . . . . 11 (𝑖 ∈ ℝ → 𝑖 ≤ (𝑖 + 1))
4038, 39syl 17 . . . . . . . . . 10 (𝑖𝑍𝑖 ≤ (𝑖 + 1))
4135, 36, 37, 40eluzd 39134 . . . . . . . . 9 (𝑖𝑍 → (𝑖 + 1) ∈ (ℤ𝑖))
42 uzss 11668 . . . . . . . . 9 ((𝑖 + 1) ∈ (ℤ𝑖) → (ℤ‘(𝑖 + 1)) ⊆ (ℤ𝑖))
4341, 42syl 17 . . . . . . . 8 (𝑖𝑍 → (ℤ‘(𝑖 + 1)) ⊆ (ℤ𝑖))
44 ssres2 5394 . . . . . . . 8 ((ℤ‘(𝑖 + 1)) ⊆ (ℤ𝑖) → (𝐹 ↾ (ℤ‘(𝑖 + 1))) ⊆ (𝐹 ↾ (ℤ𝑖)))
4543, 44syl 17 . . . . . . 7 (𝑖𝑍 → (𝐹 ↾ (ℤ‘(𝑖 + 1))) ⊆ (𝐹 ↾ (ℤ𝑖)))
46 rnss 5324 . . . . . . 7 ((𝐹 ↾ (ℤ‘(𝑖 + 1))) ⊆ (𝐹 ↾ (ℤ𝑖)) → ran (𝐹 ↾ (ℤ‘(𝑖 + 1))) ⊆ ran (𝐹 ↾ (ℤ𝑖)))
4745, 46syl 17 . . . . . 6 (𝑖𝑍 → ran (𝐹 ↾ (ℤ‘(𝑖 + 1))) ⊆ ran (𝐹 ↾ (ℤ𝑖)))
4847adantl 482 . . . . 5 ((𝜑𝑖𝑍) → ran (𝐹 ↾ (ℤ‘(𝑖 + 1))) ⊆ ran (𝐹 ↾ (ℤ𝑖)))
49 rnresss 38874 . . . . . . . 8 ran (𝐹 ↾ (ℤ𝑖)) ⊆ ran 𝐹
5049a1i 11 . . . . . . 7 ((𝜑𝑖𝑍) → ran (𝐹 ↾ (ℤ𝑖)) ⊆ ran 𝐹)
513frnd 38935 . . . . . . . 8 (𝜑 → ran 𝐹 ⊆ ℝ)
5251adantr 481 . . . . . . 7 ((𝜑𝑖𝑍) → ran 𝐹 ⊆ ℝ)
5350, 52sstrd 3598 . . . . . 6 ((𝜑𝑖𝑍) → ran (𝐹 ↾ (ℤ𝑖)) ⊆ ℝ)
54 ressxr 10043 . . . . . . 7 ℝ ⊆ ℝ*
5554a1i 11 . . . . . 6 ((𝜑𝑖𝑍) → ℝ ⊆ ℝ*)
5653, 55sstrd 3598 . . . . 5 ((𝜑𝑖𝑍) → ran (𝐹 ↾ (ℤ𝑖)) ⊆ ℝ*)
57 supxrss 12121 . . . . 5 ((ran (𝐹 ↾ (ℤ‘(𝑖 + 1))) ⊆ ran (𝐹 ↾ (ℤ𝑖)) ∧ ran (𝐹 ↾ (ℤ𝑖)) ⊆ ℝ*) → sup(ran (𝐹 ↾ (ℤ‘(𝑖 + 1))), ℝ*, < ) ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
5848, 56, 57syl2anc 692 . . . 4 ((𝜑𝑖𝑍) → sup(ran (𝐹 ↾ (ℤ‘(𝑖 + 1))), ℝ*, < ) ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
59 eqidd 2622 . . . . . . 7 (𝑖𝑍 → (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )) = (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )))
60 fveq2 6158 . . . . . . . . . . 11 (𝑛 = (𝑖 + 1) → (ℤ𝑛) = (ℤ‘(𝑖 + 1)))
6160reseq2d 5366 . . . . . . . . . 10 (𝑛 = (𝑖 + 1) → (𝐹 ↾ (ℤ𝑛)) = (𝐹 ↾ (ℤ‘(𝑖 + 1))))
6261rneqd 5323 . . . . . . . . 9 (𝑛 = (𝑖 + 1) → ran (𝐹 ↾ (ℤ𝑛)) = ran (𝐹 ↾ (ℤ‘(𝑖 + 1))))
6362supeq1d 8312 . . . . . . . 8 (𝑛 = (𝑖 + 1) → sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ) = sup(ran (𝐹 ↾ (ℤ‘(𝑖 + 1))), ℝ*, < ))
6463adantl 482 . . . . . . 7 ((𝑖𝑍𝑛 = (𝑖 + 1)) → sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ) = sup(ran (𝐹 ↾ (ℤ‘(𝑖 + 1))), ℝ*, < ))
651peano2uzs 11702 . . . . . . 7 (𝑖𝑍 → (𝑖 + 1) ∈ 𝑍)
66 xrltso 11934 . . . . . . . . 9 < Or ℝ*
6766supex 8329 . . . . . . . 8 sup(ran (𝐹 ↾ (ℤ‘(𝑖 + 1))), ℝ*, < ) ∈ V
6867a1i 11 . . . . . . 7 (𝑖𝑍 → sup(ran (𝐹 ↾ (ℤ‘(𝑖 + 1))), ℝ*, < ) ∈ V)
6959, 64, 65, 68fvmptd 6255 . . . . . 6 (𝑖𝑍 → ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘(𝑖 + 1)) = sup(ran (𝐹 ↾ (ℤ‘(𝑖 + 1))), ℝ*, < ))
7069adantl 482 . . . . 5 ((𝜑𝑖𝑍) → ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘(𝑖 + 1)) = sup(ran (𝐹 ↾ (ℤ‘(𝑖 + 1))), ℝ*, < ))
71 fveq2 6158 . . . . . . . . . . 11 (𝑛 = 𝑖 → (ℤ𝑛) = (ℤ𝑖))
7271reseq2d 5366 . . . . . . . . . 10 (𝑛 = 𝑖 → (𝐹 ↾ (ℤ𝑛)) = (𝐹 ↾ (ℤ𝑖)))
7372rneqd 5323 . . . . . . . . 9 (𝑛 = 𝑖 → ran (𝐹 ↾ (ℤ𝑛)) = ran (𝐹 ↾ (ℤ𝑖)))
7473supeq1d 8312 . . . . . . . 8 (𝑛 = 𝑖 → sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ) = sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
7574adantl 482 . . . . . . 7 ((𝑖𝑍𝑛 = 𝑖) → sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ) = sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
76 id 22 . . . . . . 7 (𝑖𝑍𝑖𝑍)
7766supex 8329 . . . . . . . 8 sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ) ∈ V
7877a1i 11 . . . . . . 7 (𝑖𝑍 → sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ) ∈ V)
7959, 75, 76, 78fvmptd 6255 . . . . . 6 (𝑖𝑍 → ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘𝑖) = sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
8079adantl 482 . . . . 5 ((𝜑𝑖𝑍) → ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘𝑖) = sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
8170, 80breq12d 4636 . . . 4 ((𝜑𝑖𝑍) → (((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘(𝑖 + 1)) ≤ ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘𝑖) ↔ sup(ran (𝐹 ↾ (ℤ‘(𝑖 + 1))), ℝ*, < ) ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < )))
8258, 81mpbird 247 . . 3 ((𝜑𝑖𝑍) → ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘(𝑖 + 1)) ≤ ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘𝑖))
83 nfcv 2761 . . . . . . . 8 𝑗𝐹
843frexr 39103 . . . . . . . 8 (𝜑𝐹:𝑍⟶ℝ*)
8583, 2, 1, 84limsupre3uz 39404 . . . . . . 7 (𝜑 → ((lim sup‘𝐹) ∈ ℝ ↔ (∃𝑥 ∈ ℝ ∀𝑖𝑍𝑗 ∈ (ℤ𝑖)𝑥 ≤ (𝐹𝑗) ∧ ∃𝑥 ∈ ℝ ∃𝑖𝑍𝑗 ∈ (ℤ𝑖)(𝐹𝑗) ≤ 𝑥)))
8612, 85mpbid 222 . . . . . 6 (𝜑 → (∃𝑥 ∈ ℝ ∀𝑖𝑍𝑗 ∈ (ℤ𝑖)𝑥 ≤ (𝐹𝑗) ∧ ∃𝑥 ∈ ℝ ∃𝑖𝑍𝑗 ∈ (ℤ𝑖)(𝐹𝑗) ≤ 𝑥))
8786simpld 475 . . . . 5 (𝜑 → ∃𝑥 ∈ ℝ ∀𝑖𝑍𝑗 ∈ (ℤ𝑖)𝑥 ≤ (𝐹𝑗))
88 simp-4r 806 . . . . . . . . . . 11 (((((𝜑𝑥 ∈ ℝ) ∧ 𝑖𝑍) ∧ 𝑗 ∈ (ℤ𝑖)) ∧ 𝑥 ≤ (𝐹𝑗)) → 𝑥 ∈ ℝ)
8988rexrd 10049 . . . . . . . . . 10 (((((𝜑𝑥 ∈ ℝ) ∧ 𝑖𝑍) ∧ 𝑗 ∈ (ℤ𝑖)) ∧ 𝑥 ≤ (𝐹𝑗)) → 𝑥 ∈ ℝ*)
90843ad2ant1 1080 . . . . . . . . . . . 12 ((𝜑𝑖𝑍𝑗 ∈ (ℤ𝑖)) → 𝐹:𝑍⟶ℝ*)
911uztrn2 11665 . . . . . . . . . . . . 13 ((𝑖𝑍𝑗 ∈ (ℤ𝑖)) → 𝑗𝑍)
92913adant1 1077 . . . . . . . . . . . 12 ((𝜑𝑖𝑍𝑗 ∈ (ℤ𝑖)) → 𝑗𝑍)
9390, 92ffvelrnd 6326 . . . . . . . . . . 11 ((𝜑𝑖𝑍𝑗 ∈ (ℤ𝑖)) → (𝐹𝑗) ∈ ℝ*)
9493ad5ant134 1310 . . . . . . . . . 10 (((((𝜑𝑥 ∈ ℝ) ∧ 𝑖𝑍) ∧ 𝑗 ∈ (ℤ𝑖)) ∧ 𝑥 ≤ (𝐹𝑗)) → (𝐹𝑗) ∈ ℝ*)
9556supxrcld 38814 . . . . . . . . . . 11 ((𝜑𝑖𝑍) → sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ) ∈ ℝ*)
9695ad5ant13 1298 . . . . . . . . . 10 (((((𝜑𝑥 ∈ ℝ) ∧ 𝑖𝑍) ∧ 𝑗 ∈ (ℤ𝑖)) ∧ 𝑥 ≤ (𝐹𝑗)) → sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ) ∈ ℝ*)
97 simpr 477 . . . . . . . . . 10 (((((𝜑𝑥 ∈ ℝ) ∧ 𝑖𝑍) ∧ 𝑗 ∈ (ℤ𝑖)) ∧ 𝑥 ≤ (𝐹𝑗)) → 𝑥 ≤ (𝐹𝑗))
98563adant3 1079 . . . . . . . . . . . 12 ((𝜑𝑖𝑍𝑗 ∈ (ℤ𝑖)) → ran (𝐹 ↾ (ℤ𝑖)) ⊆ ℝ*)
99 fvres 6174 . . . . . . . . . . . . . . 15 (𝑗 ∈ (ℤ𝑖) → ((𝐹 ↾ (ℤ𝑖))‘𝑗) = (𝐹𝑗))
10099eqcomd 2627 . . . . . . . . . . . . . 14 (𝑗 ∈ (ℤ𝑖) → (𝐹𝑗) = ((𝐹 ↾ (ℤ𝑖))‘𝑗))
1011003ad2ant3 1082 . . . . . . . . . . . . 13 ((𝜑𝑖𝑍𝑗 ∈ (ℤ𝑖)) → (𝐹𝑗) = ((𝐹 ↾ (ℤ𝑖))‘𝑗))
1023ffnd 6013 . . . . . . . . . . . . . . . . 17 (𝜑𝐹 Fn 𝑍)
103102adantr 481 . . . . . . . . . . . . . . . 16 ((𝜑𝑖𝑍) → 𝐹 Fn 𝑍)
1041, 76uzssd2 39143 . . . . . . . . . . . . . . . . 17 (𝑖𝑍 → (ℤ𝑖) ⊆ 𝑍)
105104adantl 482 . . . . . . . . . . . . . . . 16 ((𝜑𝑖𝑍) → (ℤ𝑖) ⊆ 𝑍)
106 fnssres 5972 . . . . . . . . . . . . . . . 16 ((𝐹 Fn 𝑍 ∧ (ℤ𝑖) ⊆ 𝑍) → (𝐹 ↾ (ℤ𝑖)) Fn (ℤ𝑖))
107103, 105, 106syl2anc 692 . . . . . . . . . . . . . . 15 ((𝜑𝑖𝑍) → (𝐹 ↾ (ℤ𝑖)) Fn (ℤ𝑖))
1081073adant3 1079 . . . . . . . . . . . . . 14 ((𝜑𝑖𝑍𝑗 ∈ (ℤ𝑖)) → (𝐹 ↾ (ℤ𝑖)) Fn (ℤ𝑖))
109 simp3 1061 . . . . . . . . . . . . . 14 ((𝜑𝑖𝑍𝑗 ∈ (ℤ𝑖)) → 𝑗 ∈ (ℤ𝑖))
110 fnfvelrn 6322 . . . . . . . . . . . . . 14 (((𝐹 ↾ (ℤ𝑖)) Fn (ℤ𝑖) ∧ 𝑗 ∈ (ℤ𝑖)) → ((𝐹 ↾ (ℤ𝑖))‘𝑗) ∈ ran (𝐹 ↾ (ℤ𝑖)))
111108, 109, 110syl2anc 692 . . . . . . . . . . . . 13 ((𝜑𝑖𝑍𝑗 ∈ (ℤ𝑖)) → ((𝐹 ↾ (ℤ𝑖))‘𝑗) ∈ ran (𝐹 ↾ (ℤ𝑖)))
112101, 111eqeltrd 2698 . . . . . . . . . . . 12 ((𝜑𝑖𝑍𝑗 ∈ (ℤ𝑖)) → (𝐹𝑗) ∈ ran (𝐹 ↾ (ℤ𝑖)))
113 eqid 2621 . . . . . . . . . . . 12 sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ) = sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < )
11498, 112, 113supxrubd 38821 . . . . . . . . . . 11 ((𝜑𝑖𝑍𝑗 ∈ (ℤ𝑖)) → (𝐹𝑗) ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
115114ad5ant134 1310 . . . . . . . . . 10 (((((𝜑𝑥 ∈ ℝ) ∧ 𝑖𝑍) ∧ 𝑗 ∈ (ℤ𝑖)) ∧ 𝑥 ≤ (𝐹𝑗)) → (𝐹𝑗) ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
11689, 94, 96, 97, 115xrletrd 11953 . . . . . . . . 9 (((((𝜑𝑥 ∈ ℝ) ∧ 𝑖𝑍) ∧ 𝑗 ∈ (ℤ𝑖)) ∧ 𝑥 ≤ (𝐹𝑗)) → 𝑥 ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
117116ex 450 . . . . . . . 8 ((((𝜑𝑥 ∈ ℝ) ∧ 𝑖𝑍) ∧ 𝑗 ∈ (ℤ𝑖)) → (𝑥 ≤ (𝐹𝑗) → 𝑥 ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < )))
118117rexlimdva 3026 . . . . . . 7 (((𝜑𝑥 ∈ ℝ) ∧ 𝑖𝑍) → (∃𝑗 ∈ (ℤ𝑖)𝑥 ≤ (𝐹𝑗) → 𝑥 ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < )))
119118ralimdva 2958 . . . . . 6 ((𝜑𝑥 ∈ ℝ) → (∀𝑖𝑍𝑗 ∈ (ℤ𝑖)𝑥 ≤ (𝐹𝑗) → ∀𝑖𝑍 𝑥 ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < )))
120119reximdva 3013 . . . . 5 (𝜑 → (∃𝑥 ∈ ℝ ∀𝑖𝑍𝑗 ∈ (ℤ𝑖)𝑥 ≤ (𝐹𝑗) → ∃𝑥 ∈ ℝ ∀𝑖𝑍 𝑥 ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < )))
12187, 120mpd 15 . . . 4 (𝜑 → ∃𝑥 ∈ ℝ ∀𝑖𝑍 𝑥 ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
122 simpl 473 . . . . . . 7 ((𝑦 = 𝑥𝑖𝑍) → 𝑦 = 𝑥)
12379adantl 482 . . . . . . 7 ((𝑦 = 𝑥𝑖𝑍) → ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘𝑖) = sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
124122, 123breq12d 4636 . . . . . 6 ((𝑦 = 𝑥𝑖𝑍) → (𝑦 ≤ ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘𝑖) ↔ 𝑥 ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < )))
125124ralbidva 2981 . . . . 5 (𝑦 = 𝑥 → (∀𝑖𝑍 𝑦 ≤ ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘𝑖) ↔ ∀𝑖𝑍 𝑥 ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < )))
126125cbvrexv 3164 . . . 4 (∃𝑦 ∈ ℝ ∀𝑖𝑍 𝑦 ≤ ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘𝑖) ↔ ∃𝑥 ∈ ℝ ∀𝑖𝑍 𝑥 ≤ sup(ran (𝐹 ↾ (ℤ𝑖)), ℝ*, < ))
127121, 126sylibr 224 . . 3 (𝜑 → ∃𝑦 ∈ ℝ ∀𝑖𝑍 𝑦 ≤ ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ))‘𝑖))
1281, 2, 34, 82, 127climinf 39274 . 2 (𝜑 → (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )) ⇝ inf(ran (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )), ℝ, < ))
129 fveq2 6158 . . . . . . . 8 (𝑛 = 𝑘 → (ℤ𝑛) = (ℤ𝑘))
130129reseq2d 5366 . . . . . . 7 (𝑛 = 𝑘 → (𝐹 ↾ (ℤ𝑛)) = (𝐹 ↾ (ℤ𝑘)))
131130rneqd 5323 . . . . . 6 (𝑛 = 𝑘 → ran (𝐹 ↾ (ℤ𝑛)) = ran (𝐹 ↾ (ℤ𝑘)))
132131supeq1d 8312 . . . . 5 (𝑛 = 𝑘 → sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < ) = sup(ran (𝐹 ↾ (ℤ𝑘)), ℝ*, < ))
133132cbvmptv 4720 . . . 4 (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )) = (𝑘𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑘)), ℝ*, < ))
134133a1i 11 . . 3 (𝜑 → (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )) = (𝑘𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑘)), ℝ*, < )))
1352, 1, 3, 12limsupvaluz2 39406 . . . 4 (𝜑 → (lim sup‘𝐹) = inf(ran (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )), ℝ, < ))
136135eqcomd 2627 . . 3 (𝜑 → inf(ran (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )), ℝ, < ) = (lim sup‘𝐹))
137134, 136breq12d 4636 . 2 (𝜑 → ((𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )) ⇝ inf(ran (𝑛𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑛)), ℝ*, < )), ℝ, < ) ↔ (𝑘𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑘)), ℝ*, < )) ⇝ (lim sup‘𝐹)))
138128, 137mpbid 222 1 (𝜑 → (𝑘𝑍 ↦ sup(ran (𝐹 ↾ (ℤ𝑘)), ℝ*, < )) ⇝ (lim sup‘𝐹))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 384  w3a 1036   = wceq 1480  wcel 1987  wne 2790  wral 2908  wrex 2909  Vcvv 3190  wss 3560  c0 3897   class class class wbr 4623  cmpt 4683  ran crn 5085  cres 5086   Fn wfn 5852  wf 5853  cfv 5857  (class class class)co 6615  supcsup 8306  infcinf 8307  cr 9895  1c1 9897   + caddc 9899  *cxr 10033   < clt 10034  cle 10035  cz 11337  cuz 11647  lim supclsp 14151  cli 14165
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1836  ax-6 1885  ax-7 1932  ax-8 1989  ax-9 1996  ax-10 2016  ax-11 2031  ax-12 2044  ax-13 2245  ax-ext 2601  ax-rep 4741  ax-sep 4751  ax-nul 4759  ax-pow 4813  ax-pr 4877  ax-un 6914  ax-cnex 9952  ax-resscn 9953  ax-1cn 9954  ax-icn 9955  ax-addcl 9956  ax-addrcl 9957  ax-mulcl 9958  ax-mulrcl 9959  ax-mulcom 9960  ax-addass 9961  ax-mulass 9962  ax-distr 9963  ax-i2m1 9964  ax-1ne0 9965  ax-1rid 9966  ax-rnegex 9967  ax-rrecex 9968  ax-cnre 9969  ax-pre-lttri 9970  ax-pre-lttrn 9971  ax-pre-ltadd 9972  ax-pre-mulgt0 9973  ax-pre-sup 9974
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1037  df-3an 1038  df-tru 1483  df-ex 1702  df-nf 1707  df-sb 1878  df-eu 2473  df-mo 2474  df-clab 2608  df-cleq 2614  df-clel 2617  df-nfc 2750  df-ne 2791  df-nel 2894  df-ral 2913  df-rex 2914  df-reu 2915  df-rmo 2916  df-rab 2917  df-v 3192  df-sbc 3423  df-csb 3520  df-dif 3563  df-un 3565  df-in 3567  df-ss 3574  df-pss 3576  df-nul 3898  df-if 4065  df-pw 4138  df-sn 4156  df-pr 4158  df-tp 4160  df-op 4162  df-uni 4410  df-int 4448  df-iun 4494  df-br 4624  df-opab 4684  df-mpt 4685  df-tr 4723  df-eprel 4995  df-id 4999  df-po 5005  df-so 5006  df-fr 5043  df-we 5045  df-xp 5090  df-rel 5091  df-cnv 5092  df-co 5093  df-dm 5094  df-rn 5095  df-res 5096  df-ima 5097  df-pred 5649  df-ord 5695  df-on 5696  df-lim 5697  df-suc 5698  df-iota 5820  df-fun 5859  df-fn 5860  df-f 5861  df-f1 5862  df-fo 5863  df-f1o 5864  df-fv 5865  df-riota 6576  df-ov 6618  df-oprab 6619  df-mpt2 6620  df-om 7028  df-1st 7128  df-2nd 7129  df-wrecs 7367  df-recs 7428  df-rdg 7466  df-1o 7520  df-oadd 7524  df-er 7702  df-en 7916  df-dom 7917  df-sdom 7918  df-fin 7919  df-sup 8308  df-inf 8309  df-pnf 10036  df-mnf 10037  df-xr 10038  df-ltxr 10039  df-le 10040  df-sub 10228  df-neg 10229  df-div 10645  df-nn 10981  df-2 11039  df-3 11040  df-n0 11253  df-z 11338  df-uz 11648  df-rp 11793  df-ico 12139  df-fz 12285  df-fl 12549  df-ceil 12550  df-seq 12758  df-exp 12817  df-cj 13789  df-re 13790  df-im 13791  df-sqrt 13925  df-abs 13926  df-limsup 14152  df-clim 14169
This theorem is referenced by:  supcnvlimsupmpt  39409
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