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Theorem dvntaylp 25530
Description: The 𝑀-th derivative of the Taylor polynomial is the Taylor polynomial of the 𝑀-th derivative of the function. (Contributed by Mario Carneiro, 1-Jan-2017.)
Hypotheses
Ref Expression
dvntaylp.s (𝜑𝑆 ∈ {ℝ, ℂ})
dvntaylp.f (𝜑𝐹:𝐴⟶ℂ)
dvntaylp.a (𝜑𝐴𝑆)
dvntaylp.m (𝜑𝑀 ∈ ℕ0)
dvntaylp.n (𝜑𝑁 ∈ ℕ0)
dvntaylp.b (𝜑𝐵 ∈ dom ((𝑆 D𝑛 𝐹)‘(𝑁 + 𝑀)))
Assertion
Ref Expression
dvntaylp (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑀) = (𝑁(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵))

Proof of Theorem dvntaylp
Dummy variables 𝑚 𝑛 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 dvntaylp.m . . . . 5 (𝜑𝑀 ∈ ℕ0)
2 nn0uz 12620 . . . . 5 0 = (ℤ‘0)
31, 2eleqtrdi 2849 . . . 4 (𝜑𝑀 ∈ (ℤ‘0))
4 eluzfz2b 13265 . . . 4 (𝑀 ∈ (ℤ‘0) ↔ 𝑀 ∈ (0...𝑀))
53, 4sylib 217 . . 3 (𝜑𝑀 ∈ (0...𝑀))
6 fveq2 6774 . . . . . 6 (𝑚 = 0 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘0))
7 fveq2 6774 . . . . . . . 8 (𝑚 = 0 → ((𝑆 D𝑛 𝐹)‘𝑚) = ((𝑆 D𝑛 𝐹)‘0))
87oveq2d 7291 . . . . . . 7 (𝑚 = 0 → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚)) = (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0)))
9 oveq2 7283 . . . . . . . 8 (𝑚 = 0 → (𝑀𝑚) = (𝑀 − 0))
109oveq2d 7291 . . . . . . 7 (𝑚 = 0 → (𝑁 + (𝑀𝑚)) = (𝑁 + (𝑀 − 0)))
11 eqidd 2739 . . . . . . 7 (𝑚 = 0 → 𝐵 = 𝐵)
128, 10, 11oveq123d 7296 . . . . . 6 (𝑚 = 0 → ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵) = ((𝑁 + (𝑀 − 0))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0))𝐵))
136, 12eqeq12d 2754 . . . . 5 (𝑚 = 0 → (((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵) ↔ ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘0) = ((𝑁 + (𝑀 − 0))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0))𝐵)))
1413imbi2d 341 . . . 4 (𝑚 = 0 → ((𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵)) ↔ (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘0) = ((𝑁 + (𝑀 − 0))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0))𝐵))))
15 fveq2 6774 . . . . . 6 (𝑚 = 𝑛 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛))
16 fveq2 6774 . . . . . . . 8 (𝑚 = 𝑛 → ((𝑆 D𝑛 𝐹)‘𝑚) = ((𝑆 D𝑛 𝐹)‘𝑛))
1716oveq2d 7291 . . . . . . 7 (𝑚 = 𝑛 → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚)) = (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛)))
18 oveq2 7283 . . . . . . . 8 (𝑚 = 𝑛 → (𝑀𝑚) = (𝑀𝑛))
1918oveq2d 7291 . . . . . . 7 (𝑚 = 𝑛 → (𝑁 + (𝑀𝑚)) = (𝑁 + (𝑀𝑛)))
20 eqidd 2739 . . . . . . 7 (𝑚 = 𝑛𝐵 = 𝐵)
2117, 19, 20oveq123d 7296 . . . . . 6 (𝑚 = 𝑛 → ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵) = ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵))
2215, 21eqeq12d 2754 . . . . 5 (𝑚 = 𝑛 → (((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵) ↔ ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛) = ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵)))
2322imbi2d 341 . . . 4 (𝑚 = 𝑛 → ((𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵)) ↔ (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛) = ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵))))
24 fveq2 6774 . . . . . 6 (𝑚 = (𝑛 + 1) → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘(𝑛 + 1)))
25 fveq2 6774 . . . . . . . 8 (𝑚 = (𝑛 + 1) → ((𝑆 D𝑛 𝐹)‘𝑚) = ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)))
2625oveq2d 7291 . . . . . . 7 (𝑚 = (𝑛 + 1) → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚)) = (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1))))
27 oveq2 7283 . . . . . . . 8 (𝑚 = (𝑛 + 1) → (𝑀𝑚) = (𝑀 − (𝑛 + 1)))
2827oveq2d 7291 . . . . . . 7 (𝑚 = (𝑛 + 1) → (𝑁 + (𝑀𝑚)) = (𝑁 + (𝑀 − (𝑛 + 1))))
29 eqidd 2739 . . . . . . 7 (𝑚 = (𝑛 + 1) → 𝐵 = 𝐵)
3026, 28, 29oveq123d 7296 . . . . . 6 (𝑚 = (𝑛 + 1) → ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵) = ((𝑁 + (𝑀 − (𝑛 + 1)))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)))𝐵))
3124, 30eqeq12d 2754 . . . . 5 (𝑚 = (𝑛 + 1) → (((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵) ↔ ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘(𝑛 + 1)) = ((𝑁 + (𝑀 − (𝑛 + 1)))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)))𝐵)))
3231imbi2d 341 . . . 4 (𝑚 = (𝑛 + 1) → ((𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵)) ↔ (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘(𝑛 + 1)) = ((𝑁 + (𝑀 − (𝑛 + 1)))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)))𝐵))))
33 fveq2 6774 . . . . . 6 (𝑚 = 𝑀 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑀))
34 fveq2 6774 . . . . . . . 8 (𝑚 = 𝑀 → ((𝑆 D𝑛 𝐹)‘𝑚) = ((𝑆 D𝑛 𝐹)‘𝑀))
3534oveq2d 7291 . . . . . . 7 (𝑚 = 𝑀 → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚)) = (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀)))
36 oveq2 7283 . . . . . . . 8 (𝑚 = 𝑀 → (𝑀𝑚) = (𝑀𝑀))
3736oveq2d 7291 . . . . . . 7 (𝑚 = 𝑀 → (𝑁 + (𝑀𝑚)) = (𝑁 + (𝑀𝑀)))
38 eqidd 2739 . . . . . . 7 (𝑚 = 𝑀𝐵 = 𝐵)
3935, 37, 38oveq123d 7296 . . . . . 6 (𝑚 = 𝑀 → ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵) = ((𝑁 + (𝑀𝑀))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵))
4033, 39eqeq12d 2754 . . . . 5 (𝑚 = 𝑀 → (((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵) ↔ ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑀) = ((𝑁 + (𝑀𝑀))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵)))
4140imbi2d 341 . . . 4 (𝑚 = 𝑀 → ((𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵)) ↔ (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑀) = ((𝑁 + (𝑀𝑀))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵))))
42 ssidd 3944 . . . . . . 7 (𝜑 → ℂ ⊆ ℂ)
43 mapsspm 8664 . . . . . . . 8 (ℂ ↑m ℂ) ⊆ (ℂ ↑pm ℂ)
44 dvntaylp.s . . . . . . . . . 10 (𝜑𝑆 ∈ {ℝ, ℂ})
45 dvntaylp.f . . . . . . . . . 10 (𝜑𝐹:𝐴⟶ℂ)
46 dvntaylp.a . . . . . . . . . 10 (𝜑𝐴𝑆)
47 dvntaylp.n . . . . . . . . . . 11 (𝜑𝑁 ∈ ℕ0)
4847, 1nn0addcld 12297 . . . . . . . . . 10 (𝜑 → (𝑁 + 𝑀) ∈ ℕ0)
49 dvntaylp.b . . . . . . . . . 10 (𝜑𝐵 ∈ dom ((𝑆 D𝑛 𝐹)‘(𝑁 + 𝑀)))
50 eqid 2738 . . . . . . . . . 10 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) = ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵)
5144, 45, 46, 48, 49, 50taylpf 25525 . . . . . . . . 9 (𝜑 → ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵):ℂ⟶ℂ)
52 cnex 10952 . . . . . . . . . 10 ℂ ∈ V
5352, 52elmap 8659 . . . . . . . . 9 (((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) ∈ (ℂ ↑m ℂ) ↔ ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵):ℂ⟶ℂ)
5451, 53sylibr 233 . . . . . . . 8 (𝜑 → ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) ∈ (ℂ ↑m ℂ))
5543, 54sselid 3919 . . . . . . 7 (𝜑 → ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) ∈ (ℂ ↑pm ℂ))
56 dvn0 25088 . . . . . . 7 ((ℂ ⊆ ℂ ∧ ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) ∈ (ℂ ↑pm ℂ)) → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘0) = ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))
5742, 55, 56syl2anc 584 . . . . . 6 (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘0) = ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))
58 recnprss 25068 . . . . . . . . . 10 (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ ℂ)
5944, 58syl 17 . . . . . . . . 9 (𝜑𝑆 ⊆ ℂ)
6052a1i 11 . . . . . . . . . 10 (𝜑 → ℂ ∈ V)
61 elpm2r 8633 . . . . . . . . . 10 (((ℂ ∈ V ∧ 𝑆 ∈ {ℝ, ℂ}) ∧ (𝐹:𝐴⟶ℂ ∧ 𝐴𝑆)) → 𝐹 ∈ (ℂ ↑pm 𝑆))
6260, 44, 45, 46, 61syl22anc 836 . . . . . . . . 9 (𝜑𝐹 ∈ (ℂ ↑pm 𝑆))
63 dvn0 25088 . . . . . . . . 9 ((𝑆 ⊆ ℂ ∧ 𝐹 ∈ (ℂ ↑pm 𝑆)) → ((𝑆 D𝑛 𝐹)‘0) = 𝐹)
6459, 62, 63syl2anc 584 . . . . . . . 8 (𝜑 → ((𝑆 D𝑛 𝐹)‘0) = 𝐹)
6564oveq2d 7291 . . . . . . 7 (𝜑 → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0)) = (𝑆 Tayl 𝐹))
661nn0cnd 12295 . . . . . . . . 9 (𝜑𝑀 ∈ ℂ)
6766subid1d 11321 . . . . . . . 8 (𝜑 → (𝑀 − 0) = 𝑀)
6867oveq2d 7291 . . . . . . 7 (𝜑 → (𝑁 + (𝑀 − 0)) = (𝑁 + 𝑀))
69 eqidd 2739 . . . . . . 7 (𝜑𝐵 = 𝐵)
7065, 68, 69oveq123d 7296 . . . . . 6 (𝜑 → ((𝑁 + (𝑀 − 0))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0))𝐵) = ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))
7157, 70eqtr4d 2781 . . . . 5 (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘0) = ((𝑁 + (𝑀 − 0))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0))𝐵))
7271a1i 11 . . . 4 (𝑀 ∈ (ℤ‘0) → (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘0) = ((𝑁 + (𝑀 − 0))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0))𝐵)))
73 oveq2 7283 . . . . . . 7 (((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛) = ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵) → (ℂ D ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛)) = (ℂ D ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵)))
74 ssidd 3944 . . . . . . . . 9 ((𝜑𝑛 ∈ (0..^𝑀)) → ℂ ⊆ ℂ)
7555adantr 481 . . . . . . . . 9 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) ∈ (ℂ ↑pm ℂ))
76 elfzouz 13391 . . . . . . . . . . 11 (𝑛 ∈ (0..^𝑀) → 𝑛 ∈ (ℤ‘0))
7776adantl 482 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑛 ∈ (ℤ‘0))
7877, 2eleqtrrdi 2850 . . . . . . . . 9 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑛 ∈ ℕ0)
79 dvnp1 25089 . . . . . . . . 9 ((ℂ ⊆ ℂ ∧ ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) ∈ (ℂ ↑pm ℂ) ∧ 𝑛 ∈ ℕ0) → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘(𝑛 + 1)) = (ℂ D ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛)))
8074, 75, 78, 79syl3anc 1370 . . . . . . . 8 ((𝜑𝑛 ∈ (0..^𝑀)) → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘(𝑛 + 1)) = (ℂ D ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛)))
8144adantr 481 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑆 ∈ {ℝ, ℂ})
8262adantr 481 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝐹 ∈ (ℂ ↑pm 𝑆))
83 dvnf 25091 . . . . . . . . . . 11 ((𝑆 ∈ {ℝ, ℂ} ∧ 𝐹 ∈ (ℂ ↑pm 𝑆) ∧ 𝑛 ∈ ℕ0) → ((𝑆 D𝑛 𝐹)‘𝑛):dom ((𝑆 D𝑛 𝐹)‘𝑛)⟶ℂ)
8481, 82, 78, 83syl3anc 1370 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑆 D𝑛 𝐹)‘𝑛):dom ((𝑆 D𝑛 𝐹)‘𝑛)⟶ℂ)
85 dvnbss 25092 . . . . . . . . . . . . 13 ((𝑆 ∈ {ℝ, ℂ} ∧ 𝐹 ∈ (ℂ ↑pm 𝑆) ∧ 𝑛 ∈ ℕ0) → dom ((𝑆 D𝑛 𝐹)‘𝑛) ⊆ dom 𝐹)
8681, 82, 78, 85syl3anc 1370 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (0..^𝑀)) → dom ((𝑆 D𝑛 𝐹)‘𝑛) ⊆ dom 𝐹)
8745fdmd 6611 . . . . . . . . . . . . 13 (𝜑 → dom 𝐹 = 𝐴)
8887adantr 481 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (0..^𝑀)) → dom 𝐹 = 𝐴)
8986, 88sseqtrd 3961 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → dom ((𝑆 D𝑛 𝐹)‘𝑛) ⊆ 𝐴)
9046adantr 481 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝐴𝑆)
9189, 90sstrd 3931 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → dom ((𝑆 D𝑛 𝐹)‘𝑛) ⊆ 𝑆)
9247adantr 481 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑁 ∈ ℕ0)
93 fzofzp1 13484 . . . . . . . . . . . . 13 (𝑛 ∈ (0..^𝑀) → (𝑛 + 1) ∈ (0...𝑀))
9493adantl 482 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑛 + 1) ∈ (0...𝑀))
95 fznn0sub 13288 . . . . . . . . . . . 12 ((𝑛 + 1) ∈ (0...𝑀) → (𝑀 − (𝑛 + 1)) ∈ ℕ0)
9694, 95syl 17 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑀 − (𝑛 + 1)) ∈ ℕ0)
9792, 96nn0addcld 12297 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + (𝑀 − (𝑛 + 1))) ∈ ℕ0)
9849adantr 481 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝐵 ∈ dom ((𝑆 D𝑛 𝐹)‘(𝑁 + 𝑀)))
99 elfzofz 13403 . . . . . . . . . . . . . . . . 17 (𝑛 ∈ (0..^𝑀) → 𝑛 ∈ (0...𝑀))
10099adantl 482 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑛 ∈ (0...𝑀))
101 fznn0sub 13288 . . . . . . . . . . . . . . . 16 (𝑛 ∈ (0...𝑀) → (𝑀𝑛) ∈ ℕ0)
102100, 101syl 17 . . . . . . . . . . . . . . 15 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑀𝑛) ∈ ℕ0)
10392, 102nn0addcld 12297 . . . . . . . . . . . . . 14 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + (𝑀𝑛)) ∈ ℕ0)
104 dvnadd 25093 . . . . . . . . . . . . . 14 (((𝑆 ∈ {ℝ, ℂ} ∧ 𝐹 ∈ (ℂ ↑pm 𝑆)) ∧ (𝑛 ∈ ℕ0 ∧ (𝑁 + (𝑀𝑛)) ∈ ℕ0)) → ((𝑆 D𝑛 ((𝑆 D𝑛 𝐹)‘𝑛))‘(𝑁 + (𝑀𝑛))) = ((𝑆 D𝑛 𝐹)‘(𝑛 + (𝑁 + (𝑀𝑛)))))
10581, 82, 78, 103, 104syl22anc 836 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑆 D𝑛 ((𝑆 D𝑛 𝐹)‘𝑛))‘(𝑁 + (𝑀𝑛))) = ((𝑆 D𝑛 𝐹)‘(𝑛 + (𝑁 + (𝑀𝑛)))))
10647nn0cnd 12295 . . . . . . . . . . . . . . . . 17 (𝜑𝑁 ∈ ℂ)
107106adantr 481 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑁 ∈ ℂ)
10896nn0cnd 12295 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑀 − (𝑛 + 1)) ∈ ℂ)
109 1cnd 10970 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → 1 ∈ ℂ)
110107, 108, 109addassd 10997 . . . . . . . . . . . . . . 15 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑁 + (𝑀 − (𝑛 + 1))) + 1) = (𝑁 + ((𝑀 − (𝑛 + 1)) + 1)))
11166adantr 481 . . . . . . . . . . . . . . . . 17 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑀 ∈ ℂ)
11278nn0cnd 12295 . . . . . . . . . . . . . . . . 17 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑛 ∈ ℂ)
113111, 112, 109nppcan2d 11358 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑀 − (𝑛 + 1)) + 1) = (𝑀𝑛))
114113oveq2d 7291 . . . . . . . . . . . . . . 15 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + ((𝑀 − (𝑛 + 1)) + 1)) = (𝑁 + (𝑀𝑛)))
115110, 114eqtrd 2778 . . . . . . . . . . . . . 14 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑁 + (𝑀 − (𝑛 + 1))) + 1) = (𝑁 + (𝑀𝑛)))
116115fveq2d 6778 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑆 D𝑛 ((𝑆 D𝑛 𝐹)‘𝑛))‘((𝑁 + (𝑀 − (𝑛 + 1))) + 1)) = ((𝑆 D𝑛 ((𝑆 D𝑛 𝐹)‘𝑛))‘(𝑁 + (𝑀𝑛))))
117112, 111pncan3d 11335 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑛 + (𝑀𝑛)) = 𝑀)
118117oveq2d 7291 . . . . . . . . . . . . . . 15 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + (𝑛 + (𝑀𝑛))) = (𝑁 + 𝑀))
119111, 112subcld 11332 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑀𝑛) ∈ ℂ)
120107, 112, 119add12d 11201 . . . . . . . . . . . . . . 15 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + (𝑛 + (𝑀𝑛))) = (𝑛 + (𝑁 + (𝑀𝑛))))
121118, 120eqtr3d 2780 . . . . . . . . . . . . . 14 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + 𝑀) = (𝑛 + (𝑁 + (𝑀𝑛))))
122121fveq2d 6778 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑆 D𝑛 𝐹)‘(𝑁 + 𝑀)) = ((𝑆 D𝑛 𝐹)‘(𝑛 + (𝑁 + (𝑀𝑛)))))
123105, 116, 1223eqtr4d 2788 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑆 D𝑛 ((𝑆 D𝑛 𝐹)‘𝑛))‘((𝑁 + (𝑀 − (𝑛 + 1))) + 1)) = ((𝑆 D𝑛 𝐹)‘(𝑁 + 𝑀)))
124123dmeqd 5814 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → dom ((𝑆 D𝑛 ((𝑆 D𝑛 𝐹)‘𝑛))‘((𝑁 + (𝑀 − (𝑛 + 1))) + 1)) = dom ((𝑆 D𝑛 𝐹)‘(𝑁 + 𝑀)))
12598, 124eleqtrrd 2842 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝐵 ∈ dom ((𝑆 D𝑛 ((𝑆 D𝑛 𝐹)‘𝑛))‘((𝑁 + (𝑀 − (𝑛 + 1))) + 1)))
12681, 84, 91, 97, 125dvtaylp 25529 . . . . . . . . 9 ((𝜑𝑛 ∈ (0..^𝑀)) → (ℂ D (((𝑁 + (𝑀 − (𝑛 + 1))) + 1)(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵)) = ((𝑁 + (𝑀 − (𝑛 + 1)))(𝑆 Tayl (𝑆 D ((𝑆 D𝑛 𝐹)‘𝑛)))𝐵))
127115oveq1d 7290 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → (((𝑁 + (𝑀 − (𝑛 + 1))) + 1)(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵) = ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵))
128127oveq2d 7291 . . . . . . . . 9 ((𝜑𝑛 ∈ (0..^𝑀)) → (ℂ D (((𝑁 + (𝑀 − (𝑛 + 1))) + 1)(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵)) = (ℂ D ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵)))
12959adantr 481 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑆 ⊆ ℂ)
130 dvnp1 25089 . . . . . . . . . . . . 13 ((𝑆 ⊆ ℂ ∧ 𝐹 ∈ (ℂ ↑pm 𝑆) ∧ 𝑛 ∈ ℕ0) → ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)) = (𝑆 D ((𝑆 D𝑛 𝐹)‘𝑛)))
131129, 82, 78, 130syl3anc 1370 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)) = (𝑆 D ((𝑆 D𝑛 𝐹)‘𝑛)))
132131oveq2d 7291 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1))) = (𝑆 Tayl (𝑆 D ((𝑆 D𝑛 𝐹)‘𝑛))))
133132eqcomd 2744 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑆 Tayl (𝑆 D ((𝑆 D𝑛 𝐹)‘𝑛))) = (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1))))
134133oveqd 7292 . . . . . . . . 9 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑁 + (𝑀 − (𝑛 + 1)))(𝑆 Tayl (𝑆 D ((𝑆 D𝑛 𝐹)‘𝑛)))𝐵) = ((𝑁 + (𝑀 − (𝑛 + 1)))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)))𝐵))
135126, 128, 1343eqtr3rd 2787 . . . . . . . 8 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑁 + (𝑀 − (𝑛 + 1)))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)))𝐵) = (ℂ D ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵)))
13680, 135eqeq12d 2754 . . . . . . 7 ((𝜑𝑛 ∈ (0..^𝑀)) → (((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘(𝑛 + 1)) = ((𝑁 + (𝑀 − (𝑛 + 1)))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)))𝐵) ↔ (ℂ D ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛)) = (ℂ D ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵))))
13773, 136syl5ibr 245 . . . . . 6 ((𝜑𝑛 ∈ (0..^𝑀)) → (((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛) = ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵) → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘(𝑛 + 1)) = ((𝑁 + (𝑀 − (𝑛 + 1)))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)))𝐵)))
138137expcom 414 . . . . 5 (𝑛 ∈ (0..^𝑀) → (𝜑 → (((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛) = ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵) → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘(𝑛 + 1)) = ((𝑁 + (𝑀 − (𝑛 + 1)))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)))𝐵))))
139138a2d 29 . . . 4 (𝑛 ∈ (0..^𝑀) → ((𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛) = ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵)) → (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘(𝑛 + 1)) = ((𝑁 + (𝑀 − (𝑛 + 1)))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)))𝐵))))
14014, 23, 32, 41, 72, 139fzind2 13505 . . 3 (𝑀 ∈ (0...𝑀) → (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑀) = ((𝑁 + (𝑀𝑀))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵)))
1415, 140mpcom 38 . 2 (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑀) = ((𝑁 + (𝑀𝑀))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵))
14266subidd 11320 . . . . 5 (𝜑 → (𝑀𝑀) = 0)
143142oveq2d 7291 . . . 4 (𝜑 → (𝑁 + (𝑀𝑀)) = (𝑁 + 0))
144106addid1d 11175 . . . 4 (𝜑 → (𝑁 + 0) = 𝑁)
145143, 144eqtrd 2778 . . 3 (𝜑 → (𝑁 + (𝑀𝑀)) = 𝑁)
146145oveq1d 7290 . 2 (𝜑 → ((𝑁 + (𝑀𝑀))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵) = (𝑁(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵))
147141, 146eqtrd 2778 1 (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑀) = (𝑁(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396   = wceq 1539  wcel 2106  Vcvv 3432  wss 3887  {cpr 4563  dom cdm 5589  wf 6429  cfv 6433  (class class class)co 7275  m cmap 8615  pm cpm 8616  cc 10869  cr 10870  0cc0 10871  1c1 10872   + caddc 10874  cmin 11205  0cn0 12233  cuz 12582  ...cfz 13239  ..^cfzo 13382   D cdv 25027   D𝑛 cdvn 25028   Tayl ctayl 25512
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-rep 5209  ax-sep 5223  ax-nul 5230  ax-pow 5288  ax-pr 5352  ax-un 7588  ax-inf2 9399  ax-cnex 10927  ax-resscn 10928  ax-1cn 10929  ax-icn 10930  ax-addcl 10931  ax-addrcl 10932  ax-mulcl 10933  ax-mulrcl 10934  ax-mulcom 10935  ax-addass 10936  ax-mulass 10937  ax-distr 10938  ax-i2m1 10939  ax-1ne0 10940  ax-1rid 10941  ax-rnegex 10942  ax-rrecex 10943  ax-cnre 10944  ax-pre-lttri 10945  ax-pre-lttrn 10946  ax-pre-ltadd 10947  ax-pre-mulgt0 10948  ax-pre-sup 10949  ax-addf 10950  ax-mulf 10951
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-nel 3050  df-ral 3069  df-rex 3070  df-rmo 3071  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-tp 4566  df-op 4568  df-uni 4840  df-int 4880  df-iun 4926  df-iin 4927  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-se 5545  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-isom 6442  df-riota 7232  df-ov 7278  df-oprab 7279  df-mpo 7280  df-of 7533  df-om 7713  df-1st 7831  df-2nd 7832  df-supp 7978  df-frecs 8097  df-wrecs 8128  df-recs 8202  df-rdg 8241  df-1o 8297  df-2o 8298  df-er 8498  df-map 8617  df-pm 8618  df-ixp 8686  df-en 8734  df-dom 8735  df-sdom 8736  df-fin 8737  df-fsupp 9129  df-fi 9170  df-sup 9201  df-inf 9202  df-oi 9269  df-card 9697  df-pnf 11011  df-mnf 11012  df-xr 11013  df-ltxr 11014  df-le 11015  df-sub 11207  df-neg 11208  df-div 11633  df-nn 11974  df-2 12036  df-3 12037  df-4 12038  df-5 12039  df-6 12040  df-7 12041  df-8 12042  df-9 12043  df-n0 12234  df-z 12320  df-dec 12438  df-uz 12583  df-q 12689  df-rp 12731  df-xneg 12848  df-xadd 12849  df-xmul 12850  df-icc 13086  df-fz 13240  df-fzo 13383  df-seq 13722  df-exp 13783  df-fac 13988  df-hash 14045  df-cj 14810  df-re 14811  df-im 14812  df-sqrt 14946  df-abs 14947  df-clim 15197  df-sum 15398  df-struct 16848  df-sets 16865  df-slot 16883  df-ndx 16895  df-base 16913  df-ress 16942  df-plusg 16975  df-mulr 16976  df-starv 16977  df-sca 16978  df-vsca 16979  df-ip 16980  df-tset 16981  df-ple 16982  df-ds 16984  df-unif 16985  df-hom 16986  df-cco 16987  df-rest 17133  df-topn 17134  df-0g 17152  df-gsum 17153  df-topgen 17154  df-pt 17155  df-prds 17158  df-xrs 17213  df-qtop 17218  df-imas 17219  df-xps 17221  df-mre 17295  df-mrc 17296  df-acs 17298  df-mgm 18326  df-sgrp 18375  df-mnd 18386  df-submnd 18431  df-grp 18580  df-minusg 18581  df-mulg 18701  df-cntz 18923  df-cmn 19388  df-abl 19389  df-mgp 19721  df-ur 19738  df-ring 19785  df-cring 19786  df-psmet 20589  df-xmet 20590  df-met 20591  df-bl 20592  df-mopn 20593  df-fbas 20594  df-fg 20595  df-cnfld 20598  df-top 22043  df-topon 22060  df-topsp 22082  df-bases 22096  df-cld 22170  df-ntr 22171  df-cls 22172  df-nei 22249  df-lp 22287  df-perf 22288  df-cn 22378  df-cnp 22379  df-haus 22466  df-tx 22713  df-hmeo 22906  df-fil 22997  df-fm 23089  df-flim 23090  df-flf 23091  df-tsms 23278  df-xms 23473  df-ms 23474  df-tms 23475  df-cncf 24041  df-limc 25030  df-dv 25031  df-dvn 25032  df-tayl 25514
This theorem is referenced by:  dvntaylp0  25531  taylthlem1  25532
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