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Theorem mbfi1fseqlem3 25082
Description: Lemma for mbfi1fseq 25086. (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 25081 . . 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 13373 . . . . . . . . . . . . . . . . . 18 (0[,)+∞) ⊆ ℝ
8 simpr 485 . . . . . . . . . . . . . . . . . . 19 ((𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ) → 𝑦 ∈ ℝ)
9 ffvelcdm 7032 . . . . . . . . . . . . . . . . . . 19 ((𝐹:ℝ⟶(0[,)+∞) ∧ 𝑦 ∈ ℝ) → (𝐹𝑦) ∈ (0[,)+∞))
102, 8, 9syl2an 596 . . . . . . . . . . . . . . . . . 18 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → (𝐹𝑦) ∈ (0[,)+∞))
117, 10sselid 3942 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → (𝐹𝑦) ∈ ℝ)
12 2nn 12226 . . . . . . . . . . . . . . . . . . . 20 2 ∈ ℕ
13 nnnn0 12420 . . . . . . . . . . . . . . . . . . . 20 (𝑚 ∈ ℕ → 𝑚 ∈ ℕ0)
14 nnexpcl 13980 . . . . . . . . . . . . . . . . . . . 20 ((2 ∈ ℕ ∧ 𝑚 ∈ ℕ0) → (2↑𝑚) ∈ ℕ)
1512, 13, 14sylancr 587 . . . . . . . . . . . . . . . . . . 19 (𝑚 ∈ ℕ → (2↑𝑚) ∈ ℕ)
1615ad2antrl 726 . . . . . . . . . . . . . . . . . 18 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → (2↑𝑚) ∈ ℕ)
1716nnred 12168 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → (2↑𝑚) ∈ ℝ)
1811, 17remulcld 11185 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → ((𝐹𝑦) · (2↑𝑚)) ∈ ℝ)
19 reflcl 13701 . . . . . . . . . . . . . . . 16 (((𝐹𝑦) · (2↑𝑚)) ∈ ℝ → (⌊‘((𝐹𝑦) · (2↑𝑚))) ∈ ℝ)
2018, 19syl 17 . . . . . . . . . . . . . . 15 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → (⌊‘((𝐹𝑦) · (2↑𝑚))) ∈ ℝ)
2120, 16nndivred 12207 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑚 ∈ ℕ ∧ 𝑦 ∈ ℝ)) → ((⌊‘((𝐹𝑦) · (2↑𝑚))) / (2↑𝑚)) ∈ ℝ)
2221ralrimivva 3197 . . . . . . . . . . . . 13 (𝜑 → ∀𝑚 ∈ ℕ ∀𝑦 ∈ ℝ ((⌊‘((𝐹𝑦) · (2↑𝑚))) / (2↑𝑚)) ∈ ℝ)
233fmpo 8000 . . . . . . . . . . . . 13 (∀𝑚 ∈ ℕ ∀𝑦 ∈ ℝ ((⌊‘((𝐹𝑦) · (2↑𝑚))) / (2↑𝑚)) ∈ ℝ ↔ 𝐽:(ℕ × ℝ)⟶ℝ)
2422, 23sylib 217 . . . . . . . . . . . 12 (𝜑𝐽:(ℕ × ℝ)⟶ℝ)
25 fovcdm 7524 . . . . . . . . . . . 12 ((𝐽:(ℕ × ℝ)⟶ℝ ∧ 𝐴 ∈ ℕ ∧ 𝑥 ∈ ℝ) → (𝐴𝐽𝑥) ∈ ℝ)
2624, 25syl3an1 1163 . . . . . . . . . . 11 ((𝜑𝐴 ∈ ℕ ∧ 𝑥 ∈ ℝ) → (𝐴𝐽𝑥) ∈ ℝ)
27263expa 1118 . . . . . . . . . 10 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐴𝐽𝑥) ∈ ℝ)
28 nnre 12160 . . . . . . . . . . 11 (𝐴 ∈ ℕ → 𝐴 ∈ ℝ)
2928ad2antlr 725 . . . . . . . . . 10 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 𝐴 ∈ ℝ)
30 nnnn0 12420 . . . . . . . . . . . . 13 (𝐴 ∈ ℕ → 𝐴 ∈ ℕ0)
31 nnexpcl 13980 . . . . . . . . . . . . 13 ((2 ∈ ℕ ∧ 𝐴 ∈ ℕ0) → (2↑𝐴) ∈ ℕ)
3212, 30, 31sylancr 587 . . . . . . . . . . . 12 (𝐴 ∈ ℕ → (2↑𝐴) ∈ ℕ)
3332ad2antlr 725 . . . . . . . . . . 11 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (2↑𝐴) ∈ ℕ)
34 nnre 12160 . . . . . . . . . . . 12 ((2↑𝐴) ∈ ℕ → (2↑𝐴) ∈ ℝ)
35 nngt0 12184 . . . . . . . . . . . 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 12007 . . . . . . . . . 10 (((𝐴𝐽𝑥) ∈ ℝ ∧ 𝐴 ∈ ℝ ∧ ((2↑𝐴) ∈ ℝ ∧ 0 < (2↑𝐴))) → ((𝐴𝐽𝑥) ≤ 𝐴 ↔ ((𝐴𝐽𝑥) · (2↑𝐴)) ≤ (𝐴 · (2↑𝐴))))
3927, 29, 37, 38syl3anc 1371 . . . . . . . . 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 6846 . . . . . . . . . . . . . . . . . 18 ((𝑚 = 𝐴𝑦 = 𝑥) → (𝐹𝑦) = (𝐹𝑥))
43 simpl 483 . . . . . . . . . . . . . . . . . . 19 ((𝑚 = 𝐴𝑦 = 𝑥) → 𝑚 = 𝐴)
4443oveq2d 7373 . . . . . . . . . . . . . . . . . 18 ((𝑚 = 𝐴𝑦 = 𝑥) → (2↑𝑚) = (2↑𝐴))
4542, 44oveq12d 7375 . . . . . . . . . . . . . . . . 17 ((𝑚 = 𝐴𝑦 = 𝑥) → ((𝐹𝑦) · (2↑𝑚)) = ((𝐹𝑥) · (2↑𝐴)))
4645fveq2d 6846 . . . . . . . . . . . . . . . 16 ((𝑚 = 𝐴𝑦 = 𝑥) → (⌊‘((𝐹𝑦) · (2↑𝑚))) = (⌊‘((𝐹𝑥) · (2↑𝐴))))
4746, 44oveq12d 7375 . . . . . . . . . . . . . . 15 ((𝑚 = 𝐴𝑦 = 𝑥) → ((⌊‘((𝐹𝑦) · (2↑𝑚))) / (2↑𝑚)) = ((⌊‘((𝐹𝑥) · (2↑𝐴))) / (2↑𝐴)))
48 ovex 7390 . . . . . . . . . . . . . . 15 ((⌊‘((𝐹𝑥) · (2↑𝐴))) / (2↑𝐴)) ∈ V
4947, 3, 48ovmpoa 7510 . . . . . . . . . . . . . 14 ((𝐴 ∈ ℕ ∧ 𝑥 ∈ ℝ) → (𝐴𝐽𝑥) = ((⌊‘((𝐹𝑥) · (2↑𝐴))) / (2↑𝐴)))
5049ad4ant23 751 . . . . . . . . . . . . 13 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝐴𝐽𝑥) = ((⌊‘((𝐹𝑥) · (2↑𝐴))) / (2↑𝐴)))
5150oveq1d 7372 . . . . . . . . . . . 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[,)+∞))
5352ffvelcdmda 7035 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐹𝑥) ∈ (0[,)+∞))
54 elrege0 13371 . . . . . . . . . . . . . . . . . . 19 ((𝐹𝑥) ∈ (0[,)+∞) ↔ ((𝐹𝑥) ∈ ℝ ∧ 0 ≤ (𝐹𝑥)))
5553, 54sylib 217 . . . . . . . . . . . . . . . . . 18 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝐹𝑥) ∈ ℝ ∧ 0 ≤ (𝐹𝑥)))
5655simpld 495 . . . . . . . . . . . . . . . . 17 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐹𝑥) ∈ ℝ)
5733nnred 12168 . . . . . . . . . . . . . . . . 17 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (2↑𝐴) ∈ ℝ)
5856, 57remulcld 11185 . . . . . . . . . . . . . . . 16 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝐹𝑥) · (2↑𝐴)) ∈ ℝ)
5933nnnn0d 12473 . . . . . . . . . . . . . . . . . 18 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (2↑𝐴) ∈ ℕ0)
6059nn0ge0d 12476 . . . . . . . . . . . . . . . . 17 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 0 ≤ (2↑𝐴))
61 mulge0 11673 . . . . . . . . . . . . . . . . 17 ((((𝐹𝑥) ∈ ℝ ∧ 0 ≤ (𝐹𝑥)) ∧ ((2↑𝐴) ∈ ℝ ∧ 0 ≤ (2↑𝐴))) → 0 ≤ ((𝐹𝑥) · (2↑𝐴)))
6255, 57, 60, 61syl12anc 835 . . . . . . . . . . . . . . . 16 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 0 ≤ ((𝐹𝑥) · (2↑𝐴)))
63 flge0nn0 13725 . . . . . . . . . . . . . . . 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 12475 . . . . . . . . . . . . 13 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (⌊‘((𝐹𝑥) · (2↑𝐴))) ∈ ℂ)
6733adantr 481 . . . . . . . . . . . . . 14 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (2↑𝐴) ∈ ℕ)
6867nncnd 12169 . . . . . . . . . . . . 13 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (2↑𝐴) ∈ ℂ)
6967nnne0d 12203 . . . . . . . . . . . . 13 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (2↑𝐴) ≠ 0)
7066, 68, 69divcan1d 11932 . . . . . . . . . . . 12 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (((⌊‘((𝐹𝑥) · (2↑𝐴))) / (2↑𝐴)) · (2↑𝐴)) = (⌊‘((𝐹𝑥) · (2↑𝐴))))
7151, 70eqtrd 2776 . . . . . . . . . . 11 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝐴𝐽𝑥) · (2↑𝐴)) = (⌊‘((𝐹𝑥) · (2↑𝐴))))
7271, 65eqeltrd 2838 . . . . . . . . . 10 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝐴𝐽𝑥) · (2↑𝐴)) ∈ ℕ0)
73 nn0uz 12805 . . . . . . . . . 10 0 = (ℤ‘0)
7472, 73eleqtrdi 2848 . . . . . . . . 9 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝐴𝐽𝑥) · (2↑𝐴)) ∈ (ℤ‘0))
75 nnmulcl 12177 . . . . . . . . . . . . 13 ((𝐴 ∈ ℕ ∧ (2↑𝐴) ∈ ℕ) → (𝐴 · (2↑𝐴)) ∈ ℕ)
7632, 75mpdan 685 . . . . . . . . . . . 12 (𝐴 ∈ ℕ → (𝐴 · (2↑𝐴)) ∈ ℕ)
7776ad2antlr 725 . . . . . . . . . . 11 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐴 · (2↑𝐴)) ∈ ℕ)
7877adantr 481 . . . . . . . . . 10 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝐴 · (2↑𝐴)) ∈ ℕ)
7978nnzd 12526 . . . . . . . . 9 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝐴 · (2↑𝐴)) ∈ ℤ)
80 elfz5 13433 . . . . . . . . 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 256 . . . . . . 7 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝐴𝐽𝑥) · (2↑𝐴)) ∈ (0...(𝐴 · (2↑𝐴))))
83 oveq1 7364 . . . . . . . 8 (𝑚 = ((𝐴𝐽𝑥) · (2↑𝐴)) → (𝑚 / (2↑𝐴)) = (((𝐴𝐽𝑥) · (2↑𝐴)) / (2↑𝐴)))
84 eqid 2736 . . . . . . . 8 (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))) = (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))
85 ovex 7390 . . . . . . . 8 (((𝐴𝐽𝑥) · (2↑𝐴)) / (2↑𝐴)) ∈ V
8683, 84, 85fvmpt 6948 . . . . . . 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 11183 . . . . . . 7 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝐴𝐽𝑥) ∈ ℂ)
9089, 68, 69divcan4d 11937 . . . . . 6 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (((𝐴𝐽𝑥) · (2↑𝐴)) / (2↑𝐴)) = (𝐴𝐽𝑥))
9187, 90eqtrd 2776 . . . . 5 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘((𝐴𝐽𝑥) · (2↑𝐴))) = (𝐴𝐽𝑥))
92 elfznn0 13534 . . . . . . . . . . . 12 (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) → 𝑚 ∈ ℕ0)
9392nn0red 12474 . . . . . . . . . . 11 (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) → 𝑚 ∈ ℝ)
9432adantl 482 . . . . . . . . . . 11 ((𝜑𝐴 ∈ ℕ) → (2↑𝐴) ∈ ℕ)
95 nndivre 12194 . . . . . . . . . . 11 ((𝑚 ∈ ℝ ∧ (2↑𝐴) ∈ ℕ) → (𝑚 / (2↑𝐴)) ∈ ℝ)
9693, 94, 95syl2anr 597 . . . . . . . . . 10 (((𝜑𝐴 ∈ ℕ) ∧ 𝑚 ∈ (0...(𝐴 · (2↑𝐴)))) → (𝑚 / (2↑𝐴)) ∈ ℝ)
9796fmpttd 7063 . . . . . . . . 9 ((𝜑𝐴 ∈ ℕ) → (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))):(0...(𝐴 · (2↑𝐴)))⟶ℝ)
9897ffnd 6669 . . . . . . . 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 7031 . . . . . 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 2839 . . . 4 ((((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) ∧ (𝐴𝐽𝑥) ≤ 𝐴) → (𝐴𝐽𝑥) ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
10477nnnn0d 12473 . . . . . . . . . 10 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐴 · (2↑𝐴)) ∈ ℕ0)
105104, 73eleqtrdi 2848 . . . . . . . . 9 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (𝐴 · (2↑𝐴)) ∈ (ℤ‘0))
106 eluzfz2 13449 . . . . . . . . 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 7364 . . . . . . . . 9 (𝑚 = (𝐴 · (2↑𝐴)) → (𝑚 / (2↑𝐴)) = ((𝐴 · (2↑𝐴)) / (2↑𝐴)))
109 ovex 7390 . . . . . . . . 9 ((𝐴 · (2↑𝐴)) / (2↑𝐴)) ∈ V
110108, 84, 109fvmpt 6948 . . . . . . . 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 11183 . . . . . . . 8 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 𝐴 ∈ ℂ)
11333nncnd 12169 . . . . . . . 8 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (2↑𝐴) ∈ ℂ)
11433nnne0d 12203 . . . . . . . 8 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (2↑𝐴) ≠ 0)
115112, 113, 114divcan4d 11937 . . . . . . 7 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝐴 · (2↑𝐴)) / (2↑𝐴)) = 𝐴)
116111, 115eqtrd 2776 . . . . . 6 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘(𝐴 · (2↑𝐴))) = 𝐴)
117 fnfvelrn 7031 . . . . . . 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 2839 . . . . 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 4521 . . 3 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → if((𝐴𝐽𝑥) ≤ 𝐴, (𝐴𝐽𝑥), 𝐴) ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
122 eluzfz1 13448 . . . . . . 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 7364 . . . . . . 7 (𝑚 = 0 → (𝑚 / (2↑𝐴)) = (0 / (2↑𝐴)))
125 ovex 7390 . . . . . . 7 (0 / (2↑𝐴)) ∈ V
126124, 84, 125fvmpt 6948 . . . . . 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 12161 . . . . . . 7 ((2↑𝐴) ∈ ℕ → (2↑𝐴) ∈ ℂ)
129 nnne0 12187 . . . . . . 7 ((2↑𝐴) ∈ ℕ → (2↑𝐴) ≠ 0)
130128, 129div0d 11930 . . . . . 6 ((2↑𝐴) ∈ ℕ → (0 / (2↑𝐴)) = 0)
13133, 130syl 17 . . . . 5 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (0 / (2↑𝐴)) = 0)
132127, 131eqtrd 2776 . . . 4 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → ((𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴)))‘0) = 0)
133 fnfvelrn 7031 . . . . 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 2839 . . 3 (((𝜑𝐴 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → 0 ∈ ran (𝑚 ∈ (0...(𝐴 · (2↑𝐴))) ↦ (𝑚 / (2↑𝐴))))
136121, 135ifcld 4532 . 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 7064 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 205  wa 396   = wceq 1541  wcel 2106  wral 3064  ifcif 4486   class class class wbr 5105  cmpt 5188   × cxp 5631  ran crn 5634   Fn wfn 6491  wf 6492  cfv 6496  (class class class)co 7357  cmpo 7359  cr 11050  0cc0 11051   · cmul 11056  +∞cpnf 11186   < clt 11189  cle 11190  -cneg 11386   / cdiv 11812  cn 12153  2c2 12208  0cn0 12413  cz 12499  cuz 12763  [,)cico 13266  [,]cicc 13267  ...cfz 13424  cfl 13695  cexp 13967  MblFncmbf 24978
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  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 2707  ax-rep 5242  ax-sep 5256  ax-nul 5263  ax-pow 5320  ax-pr 5384  ax-un 7672  ax-cnex 11107  ax-resscn 11108  ax-1cn 11109  ax-icn 11110  ax-addcl 11111  ax-addrcl 11112  ax-mulcl 11113  ax-mulrcl 11114  ax-mulcom 11115  ax-addass 11116  ax-mulass 11117  ax-distr 11118  ax-i2m1 11119  ax-1ne0 11120  ax-1rid 11121  ax-rnegex 11122  ax-rrecex 11123  ax-cnre 11124  ax-pre-lttri 11125  ax-pre-lttrn 11126  ax-pre-ltadd 11127  ax-pre-mulgt0 11128  ax-pre-sup 11129
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3or 1088  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2538  df-eu 2567  df-clab 2714  df-cleq 2728  df-clel 2814  df-nfc 2889  df-ne 2944  df-nel 3050  df-ral 3065  df-rex 3074  df-rmo 3353  df-reu 3354  df-rab 3408  df-v 3447  df-sbc 3740  df-csb 3856  df-dif 3913  df-un 3915  df-in 3917  df-ss 3927  df-pss 3929  df-nul 4283  df-if 4487  df-pw 4562  df-sn 4587  df-pr 4589  df-op 4593  df-uni 4866  df-iun 4956  df-br 5106  df-opab 5168  df-mpt 5189  df-tr 5223  df-id 5531  df-eprel 5537  df-po 5545  df-so 5546  df-fr 5588  df-we 5590  df-xp 5639  df-rel 5640  df-cnv 5641  df-co 5642  df-dm 5643  df-rn 5644  df-res 5645  df-ima 5646  df-pred 6253  df-ord 6320  df-on 6321  df-lim 6322  df-suc 6323  df-iota 6448  df-fun 6498  df-fn 6499  df-f 6500  df-f1 6501  df-fo 6502  df-f1o 6503  df-fv 6504  df-riota 7313  df-ov 7360  df-oprab 7361  df-mpo 7362  df-om 7803  df-1st 7921  df-2nd 7922  df-frecs 8212  df-wrecs 8243  df-recs 8317  df-rdg 8356  df-er 8648  df-en 8884  df-dom 8885  df-sdom 8886  df-sup 9378  df-inf 9379  df-pnf 11191  df-mnf 11192  df-xr 11193  df-ltxr 11194  df-le 11195  df-sub 11387  df-neg 11388  df-div 11813  df-nn 12154  df-2 12216  df-n0 12414  df-z 12500  df-uz 12764  df-ico 13270  df-fz 13425  df-fl 13697  df-seq 13907  df-exp 13968
This theorem is referenced by:  mbfi1fseqlem4  25083
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