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Theorem mbfi1fseqlem3 24252
Description: Lemma for mbfi1fseq 24256. (Contributed by Mario Carneiro, 16-Aug-2014.)
Hypotheses
Ref Expression
mbfi1fseq.1 (𝜑𝐹 ∈ MblFn)
mbfi1fseq.2 (𝜑𝐹:ℝ⟶(0[,)+∞))
mbfi1fseq.3 𝐽 = (𝑚 ∈ ℕ, 𝑦 ∈ ℝ ↦ ((⌊‘((𝐹𝑦) · (2↑𝑚))) / (2↑𝑚)))
mbfi1fseq.4 𝐺 = (𝑚 ∈ ℕ ↦ (𝑥 ∈ ℝ ↦ if(𝑥 ∈ (-𝑚[,]𝑚), if((𝑚𝐽𝑥) ≤ 𝑚, (𝑚𝐽𝑥), 𝑚), 0)))
Assertion
Ref Expression
mbfi1fseqlem3 ((𝜑𝐴 ∈ ℕ) → (𝐺𝐴):ℝ⟶ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
Distinct variable groups:   𝑥,𝑚,𝑦,𝐹   𝑥,𝐺   𝑚,𝐽   𝜑,𝑚,𝑥,𝑦   𝐴,𝑚,𝑥,𝑦
Allowed substitution hints:   𝐺(𝑦,𝑚)   𝐽(𝑥,𝑦)

Proof of Theorem mbfi1fseqlem3
StepHypRef Expression
1 mbfi1fseq.1 . . . 4 (𝜑𝐹 ∈ MblFn)
2 mbfi1fseq.2 . . . 4 (𝜑𝐹:ℝ⟶(0[,)+∞))
3 mbfi1fseq.3 . . . 4 𝐽 = (𝑚 ∈ ℕ, 𝑦 ∈ ℝ ↦ ((⌊‘((𝐹𝑦) · (2↑𝑚))) / (2↑𝑚)))
4 mbfi1fseq.4 . . . 4 𝐺 = (𝑚 ∈ ℕ ↦ (𝑥 ∈ ℝ ↦ if(𝑥 ∈ (-𝑚[,]𝑚), if((𝑚𝐽𝑥) ≤ 𝑚, (𝑚𝐽𝑥), 𝑚), 0)))
51, 2, 3, 4mbfi1fseqlem2 24251 . . 3 (𝐴 ∈ ℕ → (𝐺𝐴) = (𝑥 ∈ ℝ ↦ if(𝑥 ∈ (-𝐴[,]𝐴), if((𝐴𝐽𝑥) ≤ 𝐴, (𝐴𝐽𝑥), 𝐴), 0)))
65adantl 482 . 2 ((𝜑𝐴 ∈ ℕ) → (𝐺𝐴) = (𝑥 ∈ ℝ ↦ if(𝑥 ∈ (-𝐴[,]𝐴), if((𝐴𝐽𝑥) ≤ 𝐴, (𝐴𝐽𝑥), 𝐴), 0)))
7 rge0ssre 12839 . . . . . . . . . . . . . . . . . 18 (0[,)+∞) ⊆ ℝ
8 simpr 485 . . . . . . . . . . . . . . . . . . 19 ((𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ) → 𝑦 ∈ ℝ)
9 ffvelrn 6847 . . . . . . . . . . . . . . . . . . 19 ((𝐹:ℝ⟶(0[,)+∞) ∧ 𝑦 ∈ ℝ) → (𝐹𝑦) ∈ (0[,)+∞))
102, 8, 9syl2an 595 . . . . . . . . . . . . . . . . . 18 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → (𝐹𝑦) ∈ (0[,)+∞))
117, 10sseldi 3969 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → (𝐹𝑦) ∈ ℝ)
12 2nn 11704 . . . . . . . . . . . . . . . . . . . 20 2 ∈ ℕ
13 nnnn0 11898 . . . . . . . . . . . . . . . . . . . 20 (𝑚 ∈ ℕ → 𝑚 ∈ ℕ0)
14 nnexpcl 13437 . . . . . . . . . . . . . . . . . . . 20 ((2 ∈ ℕ ∧ 𝑚 ∈ ℕ0) → (2↑𝑚) ∈ ℕ)
1512, 13, 14sylancr 587 . . . . . . . . . . . . . . . . . . 19 (𝑚 ∈ ℕ → (2↑𝑚) ∈ ℕ)
1615ad2antrl 724 . . . . . . . . . . . . . . . . . 18 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → (2↑𝑚) ∈ ℕ)
1716nnred 11647 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → (2↑𝑚) ∈ ℝ)
1811, 17remulcld 10665 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → ((𝐹𝑦) · (2↑𝑚)) ∈ ℝ)
19 reflcl 13161 . . . . . . . . . . . . . . . 16 (((𝐹𝑦) · (2↑𝑚)) ∈ ℝ → (⌊‘((𝐹𝑦) · (2↑𝑚))) ∈ ℝ)
2018, 19syl 17 . . . . . . . . . . . . . . 15 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → (⌊‘((𝐹𝑦) · (2↑𝑚))) ∈ ℝ)
2120, 16nndivred 11685 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → ((⌊‘((𝐹𝑦) · (2↑𝑚))) / (2↑𝑚)) ∈ ℝ)
2221ralrimivva 3196 . . . . . . . . . . . . 13 (𝜑 → ∀𝑚 ∈ ℕ ∀𝑦 ∈ ℝ ((⌊‘((𝐹𝑦) · (2↑𝑚))) / (2↑𝑚)) ∈ ℝ)
233fmpo 7762 . . . . . . . . . . . . 13 (∀𝑚 ∈ ℕ ∀𝑦 ∈ ℝ ((⌊‘((𝐹𝑦) · (2↑𝑚))) / (2↑𝑚)) ∈ ℝ ↔ 𝐽:(ℕ × ℝ)⟶ℝ)
2422, 23sylib 219 . . . . . . . . . . . 12 (𝜑𝐽:(ℕ × ℝ)⟶ℝ)
25 fovrn 7312 . . . . . . . . . . . 12 ((𝐽:(ℕ × ℝ)⟶ℝ ∧ 𝐴 ∈ ℕ ∧ 𝑥 ∈ ℝ) → (𝐴𝐽𝑥) ∈ ℝ)
2624, 25syl3an1 1157 . . . . . . . . . . 11 ((𝜑𝐴 ∈ ℕ ∧ 𝑥 ∈ ℝ) → (𝐴𝐽𝑥) ∈ ℝ)
27263expa 1112 . . . . . . . . . 10 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐴𝐽𝑥) ∈ ℝ)
28 nnre 11639 . . . . . . . . . . 11 (𝐴 ∈ ℕ → 𝐴 ∈ ℝ)
2928ad2antlr 723 . . . . . . . . . 10 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 𝐴 ∈ ℝ)
30 nnnn0 11898 . . . . . . . . . . . . 13 (𝐴 ∈ ℕ → 𝐴 ∈ ℕ0)
31 nnexpcl 13437 . . . . . . . . . . . . 13 ((2 ∈ ℕ ∧ 𝐴 ∈ ℕ0) → (2↑𝐴) ∈ ℕ)
3212, 30, 31sylancr 587 . . . . . . . . . . . 12 (𝐴 ∈ ℕ → (2↑𝐴) ∈ ℕ)
3332ad2antlr 723 . . . . . . . . . . 11 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (2↑𝐴) ∈ ℕ)
34 nnre 11639 . . . . . . . . . . . 12 ((2↑𝐴) ∈ ℕ → (2↑𝐴) ∈ ℝ)
35 nngt0 11662 . . . . . . . . . . . 12 ((2↑𝐴) ∈ ℕ → 0 < (2↑𝐴))
3634, 35jca 512 . . . . . . . . . . 11 ((2↑𝐴) ∈ ℕ → ((2↑𝐴) ∈ ℝ ∧ 0 < (2↑𝐴)))
3733, 36syl 17 . . . . . . . . . 10 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((2↑𝐴) ∈ ℝ ∧ 0 < (2↑𝐴)))
38 lemul1 11486 . . . . . . . . . 10 (((𝐴𝐽𝑥) ∈ ℝ ∧ 𝐴 ∈ ℝ ∧ ((2↑𝐴) ∈ ℝ ∧ 0 < (2↑𝐴))) → ((𝐴𝐽𝑥) ≤ 𝐴 ↔ ((𝐴𝐽𝑥) · (2↑𝐴)) ≤ (𝐴 · (2↑𝐴))))
3927, 29, 37, 38syl3anc 1365 . . . . . . . . 9 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝐴𝐽𝑥) ≤ 𝐴 ↔ ((𝐴𝐽𝑥) · (2↑𝐴)) ≤ (𝐴 · (2↑𝐴))))
4039biimpa 477 . . . . . . . 8 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝐴𝐽𝑥) · (2↑𝐴)) ≤ (𝐴 · (2↑𝐴)))
41 simpr 485 . . . . . . . . . . . . . . . . . . 19 ((𝑚 = 𝐴𝑦 = 𝑥) → 𝑦 = 𝑥)
4241fveq2d 6673 . . . . . . . . . . . . . . . . . 18 ((𝑚 = 𝐴𝑦 = 𝑥) → (𝐹𝑦) = (𝐹𝑥))
43 simpl 483 . . . . . . . . . . . . . . . . . . 19 ((𝑚 = 𝐴𝑦 = 𝑥) → 𝑚 = 𝐴)
4443oveq2d 7166 . . . . . . . . . . . . . . . . . 18 ((𝑚 = 𝐴𝑦 = 𝑥) → (2↑𝑚) = (2↑𝐴))
4542, 44oveq12d 7168 . . . . . . . . . . . . . . . . 17 ((𝑚 = 𝐴𝑦 = 𝑥) → ((𝐹𝑦) · (2↑𝑚)) = ((𝐹𝑥) · (2↑𝐴)))
4645fveq2d 6673 . . . . . . . . . . . . . . . 16 ((𝑚 = 𝐴𝑦 = 𝑥) → (⌊‘((𝐹𝑦) · (2↑𝑚))) = (⌊‘((𝐹𝑥) · (2↑𝐴))))
4746, 44oveq12d 7168 . . . . . . . . . . . . . . 15 ((𝑚 = 𝐴𝑦 = 𝑥) → ((⌊‘((𝐹𝑦) · (2↑𝑚))) / (2↑𝑚)) = ((⌊‘((𝐹𝑥) · (2↑𝐴))) / (2↑𝐴)))
48 ovex 7183 . . . . . . . . . . . . . . 15 ((⌊‘((𝐹𝑥) · (2↑𝐴))) / (2↑𝐴)) ∈ V
4947, 3, 48ovmpoa 7299 . . . . . . . . . . . . . 14 ((𝐴 ∈ ℕ ∧ 𝑥 ∈ ℝ) → (𝐴𝐽𝑥) = ((⌊‘((𝐹𝑥) · (2↑𝐴))) / (2↑𝐴)))
5049ad4ant23 749 . . . . . . . . . . . . 13 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝐴𝐽𝑥) = ((⌊‘((𝐹𝑥) · (2↑𝐴))) / (2↑𝐴)))
5150oveq1d 7165 . . . . . . . . . . . 12 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝐴𝐽𝑥) · (2↑𝐴)) = (((⌊‘((𝐹𝑥) · (2↑𝐴))) / (2↑𝐴)) · (2↑𝐴)))
522adantr 481 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝐴 ∈ ℕ) → 𝐹:ℝ⟶(0[,)+∞))
5352ffvelrnda 6849 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐹𝑥) ∈ (0[,)+∞))
54 elrege0 12837 . . . . . . . . . . . . . . . . . . 19 ((𝐹𝑥) ∈ (0[,)+∞) ↔ ((𝐹𝑥) ∈ ℝ ∧ 0 ≤ (𝐹𝑥)))
5553, 54sylib 219 . . . . . . . . . . . . . . . . . 18 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝐹𝑥) ∈ ℝ ∧ 0 ≤ (𝐹𝑥)))
5655simpld 495 . . . . . . . . . . . . . . . . 17 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐹𝑥) ∈ ℝ)
5733nnred 11647 . . . . . . . . . . . . . . . . 17 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (2↑𝐴) ∈ ℝ)
5856, 57remulcld 10665 . . . . . . . . . . . . . . . 16 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝐹𝑥) · (2↑𝐴)) ∈ ℝ)
5933nnnn0d 11949 . . . . . . . . . . . . . . . . . 18 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (2↑𝐴) ∈ ℕ0)
6059nn0ge0d 11952 . . . . . . . . . . . . . . . . 17 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 0 ≤ (2↑𝐴))
61 mulge0 11152 . . . . . . . . . . . . . . . . 17 ((((𝐹𝑥) ∈ ℝ ∧ 0 ≤ (𝐹𝑥)) ∧ ((2↑𝐴) ∈ ℝ ∧ 0 ≤ (2↑𝐴))) → 0 ≤ ((𝐹𝑥) · (2↑𝐴)))
6255, 57, 60, 61syl12anc 834 . . . . . . . . . . . . . . . 16 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 0 ≤ ((𝐹𝑥) · (2↑𝐴)))
63 flge0nn0 13185 . . . . . . . . . . . . . . . 16 ((((𝐹𝑥) · (2↑𝐴)) ∈ ℝ ∧ 0 ≤ ((𝐹𝑥) · (2↑𝐴))) → (⌊‘((𝐹𝑥) · (2↑𝐴))) ∈ ℕ0)
6458, 62, 63syl2anc 584 . . . . . . . . . . . . . . 15 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (⌊‘((𝐹𝑥) · (2↑𝐴))) ∈ ℕ0)
6564adantr 481 . . . . . . . . . . . . . 14 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (⌊‘((𝐹𝑥) · (2↑𝐴))) ∈ ℕ0)
6665nn0cnd 11951 . . . . . . . . . . . . 13 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (⌊‘((𝐹𝑥) · (2↑𝐴))) ∈ ℂ)
6733adantr 481 . . . . . . . . . . . . . 14 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (2↑𝐴) ∈ ℕ)
6867nncnd 11648 . . . . . . . . . . . . 13 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (2↑𝐴) ∈ ℂ)
6967nnne0d 11681 . . . . . . . . . . . . 13 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (2↑𝐴) ≠ 0)
7066, 68, 69divcan1d 11411 . . . . . . . . . . . 12 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (((⌊‘((𝐹𝑥) · (2↑𝐴))) / (2↑𝐴)) · (2↑𝐴)) = (⌊‘((𝐹𝑥) · (2↑𝐴))))
7151, 70eqtrd 2861 . . . . . . . . . . 11 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝐴𝐽𝑥) · (2↑𝐴)) = (⌊‘((𝐹𝑥) · (2↑𝐴))))
7271, 65eqeltrd 2918 . . . . . . . . . 10 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝐴𝐽𝑥) · (2↑𝐴)) ∈ ℕ0)
73 nn0uz 12274 . . . . . . . . . 10 0 = (ℤ‘0)
7472, 73syl6eleq 2928 . . . . . . . . 9 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝐴𝐽𝑥) · (2↑𝐴)) ∈ (ℤ‘0))
75 nnmulcl 11655 . . . . . . . . . . . . 13 ((𝐴 ∈ ℕ ∧ (2↑𝐴) ∈ ℕ) → (𝐴 · (2↑𝐴)) ∈ ℕ)
7632, 75mpdan 683 . . . . . . . . . . . 12 (𝐴 ∈ ℕ → (𝐴 · (2↑𝐴)) ∈ ℕ)
7776ad2antlr 723 . . . . . . . . . . 11 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐴 · (2↑𝐴)) ∈ ℕ)
7877adantr 481 . . . . . . . . . 10 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝐴 · (2↑𝐴)) ∈ ℕ)
7978nnzd 12080 . . . . . . . . 9 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝐴 · (2↑𝐴)) ∈ ℤ)
80 elfz5 12895 . . . . . . . . 9 ((((𝐴𝐽𝑥) · (2↑𝐴)) ∈ (ℤ‘0) ∧ (𝐴 · (2↑𝐴)) ∈ ℤ) → (((𝐴𝐽𝑥) · (2↑𝐴)) ∈ (0...(𝐴 · (2↑𝐴))) ↔ ((𝐴𝐽𝑥) · (2↑𝐴)) ≤ (𝐴 · (2↑𝐴))))
8174, 79, 80syl2anc 584 . . . . . . . 8 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (((𝐴𝐽𝑥) · (2↑𝐴)) ∈ (0...(𝐴 · (2↑𝐴))) ↔ ((𝐴𝐽𝑥) · (2↑𝐴)) ≤ (𝐴 · (2↑𝐴))))
8240, 81mpbird 258 . . . . . . 7 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝐴𝐽𝑥) · (2↑𝐴)) ∈ (0...(𝐴 · (2↑𝐴))))
83 oveq1 7157 . . . . . . . 8 (𝑚 = ((𝐴𝐽𝑥) · (2↑𝐴)) → (𝑚 / (2↑𝐴)) = (((𝐴𝐽𝑥) · (2↑𝐴)) / (2↑𝐴)))
84 eqid 2826 . . . . . . . 8 (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))) = (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))
85 ovex 7183 . . . . . . . 8 (((𝐴𝐽𝑥) · (2↑𝐴)) / (2↑𝐴)) ∈ V
8683, 84, 85fvmpt 6767 . . . . . . 7 (((𝐴𝐽𝑥) · (2↑𝐴)) ∈ (0...(𝐴 · (2↑𝐴))) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘((𝐴𝐽𝑥) · (2↑𝐴))) = (((𝐴𝐽𝑥) · (2↑𝐴)) / (2↑𝐴)))
8782, 86syl 17 . . . . . 6 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘((𝐴𝐽𝑥) · (2↑𝐴))) = (((𝐴𝐽𝑥) · (2↑𝐴)) / (2↑𝐴)))
8827adantr 481 . . . . . . . 8 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝐴𝐽𝑥) ∈ ℝ)
8988recnd 10663 . . . . . . 7 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝐴𝐽𝑥) ∈ ℂ)
9089, 68, 69divcan4d 11416 . . . . . 6 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (((𝐴𝐽𝑥) · (2↑𝐴)) / (2↑𝐴)) = (𝐴𝐽𝑥))
9187, 90eqtrd 2861 . . . . 5 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘((𝐴𝐽𝑥) · (2↑𝐴))) = (𝐴𝐽𝑥))
92 elfznn0 12995 . . . . . . . . . . . 12 (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) → 𝑚 ∈ ℕ0)
9392nn0red 11950 . . . . . . . . . . 11 (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) → 𝑚 ∈ ℝ)
9432adantl 482 . . . . . . . . . . 11 ((𝜑𝐴 ∈ ℕ) → (2↑𝐴) ∈ ℕ)
95 nndivre 11672 . . . . . . . . . . 11 ((𝑚 ∈ ℝ ∧ (2↑𝐴) ∈ ℕ) → (𝑚 / (2↑𝐴)) ∈ ℝ)
9693, 94, 95syl2anr 596 . . . . . . . . . 10 (((𝜑𝐴 ∈ ℕ) ∧ 𝑚 ∈ (0...(𝐴 · (2↑𝐴)))) → (𝑚 / (2↑𝐴)) ∈ ℝ)
9796fmpttd 6877 . . . . . . . . 9 ((𝜑𝐴 ∈ ℕ) → (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))):(0...(𝐴 · (2↑𝐴)))⟶ℝ)
9897ffnd 6514 . . . . . . . 8 ((𝜑𝐴 ∈ ℕ) → (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))) Fn (0...(𝐴 · (2↑𝐴))))
9998adantr 481 . . . . . . 7 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))) Fn (0...(𝐴 · (2↑𝐴))))
10099adantr 481 . . . . . 6 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))) Fn (0...(𝐴 · (2↑𝐴))))
101 fnfvelrn 6846 . . . . . 6 (((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))) Fn (0...(𝐴 · (2↑𝐴))) ∧ ((𝐴𝐽𝑥) · (2↑𝐴)) ∈ (0...(𝐴 · (2↑𝐴)))) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘((𝐴𝐽𝑥) · (2↑𝐴))) ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
102100, 82, 101syl2anc 584 . . . . 5 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘((𝐴𝐽𝑥) · (2↑𝐴))) ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
10391, 102eqeltrrd 2919 . . . 4 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝐴𝐽𝑥) ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
10477nnnn0d 11949 . . . . . . . . . 10 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐴 · (2↑𝐴)) ∈ ℕ0)
105104, 73syl6eleq 2928 . . . . . . . . 9 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐴 · (2↑𝐴)) ∈ (ℤ‘0))
106 eluzfz2 12910 . . . . . . . . 9 ((𝐴 · (2↑𝐴)) ∈ (ℤ‘0) → (𝐴 · (2↑𝐴)) ∈ (0...(𝐴 · (2↑𝐴))))
107105, 106syl 17 . . . . . . . 8 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐴 · (2↑𝐴)) ∈ (0...(𝐴 · (2↑𝐴))))
108 oveq1 7157 . . . . . . . . 9 (𝑚 = (𝐴 · (2↑𝐴)) → (𝑚 / (2↑𝐴)) = ((𝐴 · (2↑𝐴)) / (2↑𝐴)))
109 ovex 7183 . . . . . . . . 9 ((𝐴 · (2↑𝐴)) / (2↑𝐴)) ∈ V
110108, 84, 109fvmpt 6767 . . . . . . . 8 ((𝐴 · (2↑𝐴)) ∈ (0...(𝐴 · (2↑𝐴))) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘(𝐴 · (2↑𝐴))) = ((𝐴 · (2↑𝐴)) / (2↑𝐴)))
111107, 110syl 17 . . . . . . 7 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘(𝐴 · (2↑𝐴))) = ((𝐴 · (2↑𝐴)) / (2↑𝐴)))
11229recnd 10663 . . . . . . . 8 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 𝐴 ∈ ℂ)
11333nncnd 11648 . . . . . . . 8 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (2↑𝐴) ∈ ℂ)
11433nnne0d 11681 . . . . . . . 8 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (2↑𝐴) ≠ 0)
115112, 113, 114divcan4d 11416 . . . . . . 7 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝐴 · (2↑𝐴)) / (2↑𝐴)) = 𝐴)
116111, 115eqtrd 2861 . . . . . 6 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘(𝐴 · (2↑𝐴))) = 𝐴)
117 fnfvelrn 6846 . . . . . . 7 (((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))) Fn (0...(𝐴 · (2↑𝐴))) ∧ (𝐴 · (2↑𝐴)) ∈ (0...(𝐴 · (2↑𝐴)))) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘(𝐴 · (2↑𝐴))) ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
11899, 107, 117syl2anc 584 . . . . . 6 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘(𝐴 · (2↑𝐴))) ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
119116, 118eqeltrrd 2919 . . . . 5 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 𝐴 ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
120119adantr 481 . . . 4 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ ¬ (𝐴𝐽𝑥) ≤ 𝐴) → 𝐴 ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
121103, 120ifclda 4504 . . 3 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → if((𝐴𝐽𝑥) ≤ 𝐴, (𝐴𝐽𝑥), 𝐴) ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
122 eluzfz1 12909 . . . . . . 7 ((𝐴 · (2↑𝐴)) ∈ (ℤ‘0) → 0 ∈ (0...(𝐴 · (2↑𝐴))))
123105, 122syl 17 . . . . . 6 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 0 ∈ (0...(𝐴 · (2↑𝐴))))
124 oveq1 7157 . . . . . . 7 (𝑚 = 0 → (𝑚 / (2↑𝐴)) = (0 / (2↑𝐴)))
125 ovex 7183 . . . . . . 7 (0 / (2↑𝐴)) ∈ V
126124, 84, 125fvmpt 6767 . . . . . 6 (0 ∈ (0...(𝐴 · (2↑𝐴))) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘0) = (0 / (2↑𝐴)))
127123, 126syl 17 . . . . 5 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘0) = (0 / (2↑𝐴)))
128 nncn 11640 . . . . . . 7 ((2↑𝐴) ∈ ℕ → (2↑𝐴) ∈ ℂ)
129 nnne0 11665 . . . . . . 7 ((2↑𝐴) ∈ ℕ → (2↑𝐴) ≠ 0)
130128, 129div0d 11409 . . . . . 6 ((2↑𝐴) ∈ ℕ → (0 / (2↑𝐴)) = 0)
13133, 130syl 17 . . . . 5 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (0 / (2↑𝐴)) = 0)
132127, 131eqtrd 2861 . . . 4 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘0) = 0)
133 fnfvelrn 6846 . . . . 5 (((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))) Fn (0...(𝐴 · (2↑𝐴))) ∧ 0 ∈ (0...(𝐴 · (2↑𝐴)))) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘0) ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
13499, 123, 133syl2anc 584 . . . 4 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘0) ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
135132, 134eqeltrrd 2919 . . 3 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 0 ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
136121, 135ifcld 4515 . 2 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → if(𝑥 ∈ (-𝐴[,]𝐴), if((𝐴𝐽𝑥) ≤ 𝐴, (𝐴𝐽𝑥), 𝐴), 0) ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
1376, 136fmpt3d 6878 1 ((𝜑𝐴 ∈ ℕ) → (𝐺𝐴):ℝ⟶ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 207  wa 396   = wceq 1530  wcel 2107  wral 3143  ifcif 4470   class class class wbr 5063  cmpt 5143   × cxp 5552  ran crn 5555   Fn wfn 6349  wf 6350  cfv 6354  (class class class)co 7150  cmpo 7152  cr 10530  0cc0 10531   · cmul 10536  +∞cpnf 10666   < clt 10669  cle 10670  -cneg 10865   / cdiv 11291  cn 11632  2c2 11686  0cn0 11891  cz 11975  cuz 12237  [,)cico 12735  [,]cicc 12736  ...cfz 12887  cfl 13155  cexp 13424  MblFncmbf 24149
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1789  ax-4 1803  ax-5 1904  ax-6 1963  ax-7 2008  ax-8 2109  ax-9 2117  ax-10 2138  ax-11 2153  ax-12 2169  ax-ext 2798  ax-rep 5187  ax-sep 5200  ax-nul 5207  ax-pow 5263  ax-pr 5326  ax-un 7455  ax-cnex 10587  ax-resscn 10588  ax-1cn 10589  ax-icn 10590  ax-addcl 10591  ax-addrcl 10592  ax-mulcl 10593  ax-mulrcl 10594  ax-mulcom 10595  ax-addass 10596  ax-mulass 10597  ax-distr 10598  ax-i2m1 10599  ax-1ne0 10600  ax-1rid 10601  ax-rnegex 10602  ax-rrecex 10603  ax-cnre 10604  ax-pre-lttri 10605  ax-pre-lttrn 10606  ax-pre-ltadd 10607  ax-pre-mulgt0 10608  ax-pre-sup 10609
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 844  df-3or 1082  df-3an 1083  df-tru 1533  df-ex 1774  df-nf 1778  df-sb 2063  df-mo 2620  df-eu 2652  df-clab 2805  df-cleq 2819  df-clel 2898  df-nfc 2968  df-ne 3022  df-nel 3129  df-ral 3148  df-rex 3149  df-reu 3150  df-rmo 3151  df-rab 3152  df-v 3502  df-sbc 3777  df-csb 3888  df-dif 3943  df-un 3945  df-in 3947  df-ss 3956  df-pss 3958  df-nul 4296  df-if 4471  df-pw 4544  df-sn 4565  df-pr 4567  df-tp 4569  df-op 4571  df-uni 4838  df-iun 4919  df-br 5064  df-opab 5126  df-mpt 5144  df-tr 5170  df-id 5459  df-eprel 5464  df-po 5473  df-so 5474  df-fr 5513  df-we 5515  df-xp 5560  df-rel 5561  df-cnv 5562  df-co 5563  df-dm 5564  df-rn 5565  df-res 5566  df-ima 5567  df-pred 6147  df-ord 6193  df-on 6194  df-lim 6195  df-suc 6196  df-iota 6313  df-fun 6356  df-fn 6357  df-f 6358  df-f1 6359  df-fo 6360  df-f1o 6361  df-fv 6362  df-riota 7108  df-ov 7153  df-oprab 7154  df-mpo 7155  df-om 7574  df-1st 7685  df-2nd 7686  df-wrecs 7943  df-recs 8004  df-rdg 8042  df-er 8284  df-en 8504  df-dom 8505  df-sdom 8506  df-sup 8900  df-inf 8901  df-pnf 10671  df-mnf 10672  df-xr 10673  df-ltxr 10674  df-le 10675  df-sub 10866  df-neg 10867  df-div 11292  df-nn 11633  df-2 11694  df-n0 11892  df-z 11976  df-uz 12238  df-ico 12739  df-fz 12888  df-fl 13157  df-seq 13365  df-exp 13425
This theorem is referenced by:  mbfi1fseqlem4  24253
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