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Theorem dvntaylp 26515
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 12901 . . . . 5 0 = (ℤ‘0)
31, 2eleqtrdi 2873 . . . 4 (𝜑𝑀 ∈ (ℤ‘0))
4 eluzfz2b 13562 . . . 4 (𝑀 ∈ (ℤ‘0) ↔ 𝑀 ∈ (0...𝑀))
53, 4sylib 221 . . 3 (𝜑𝑀 ∈ (0...𝑀))
6 fveq2 6883 . . . . . 6 (𝑚 = 0 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘0))
7 fveq2 6883 . . . . . . . 8 (𝑚 = 0 → ((𝑆 D𝑛 𝐹)‘𝑚) = ((𝑆 D𝑛 𝐹)‘0))
87oveq2d 7428 . . . . . . 7 (𝑚 = 0 → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚)) = (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0)))
9 oveq2 7420 . . . . . . . 8 (𝑚 = 0 → (𝑀𝑚) = (𝑀 − 0))
109oveq2d 7428 . . . . . . 7 (𝑚 = 0 → (𝑁 + (𝑀𝑚)) = (𝑁 + (𝑀 − 0)))
11 eqidd 2764 . . . . . . 7 (𝑚 = 0 → 𝐵 = 𝐵)
128, 10, 11oveq123d 7433 . . . . . 6 (𝑚 = 0 → ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵) = ((𝑁 + (𝑀 − 0))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0))𝐵))
136, 12eqeq12d 2779 . . . . 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 343 . . . 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 6883 . . . . . 6 (𝑚 = 𝑛 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑛))
16 fveq2 6883 . . . . . . . 8 (𝑚 = 𝑛 → ((𝑆 D𝑛 𝐹)‘𝑚) = ((𝑆 D𝑛 𝐹)‘𝑛))
1716oveq2d 7428 . . . . . . 7 (𝑚 = 𝑛 → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚)) = (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛)))
18 oveq2 7420 . . . . . . . 8 (𝑚 = 𝑛 → (𝑀𝑚) = (𝑀𝑛))
1918oveq2d 7428 . . . . . . 7 (𝑚 = 𝑛 → (𝑁 + (𝑀𝑚)) = (𝑁 + (𝑀𝑛)))
20 eqidd 2764 . . . . . . 7 (𝑚 = 𝑛𝐵 = 𝐵)
2117, 19, 20oveq123d 7433 . . . . . 6 (𝑚 = 𝑛 → ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵) = ((𝑁 + (𝑀𝑛))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑛))𝐵))
2215, 21eqeq12d 2779 . . . . 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 343 . . . 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 6883 . . . . . 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 6883 . . . . . . . 8 (𝑚 = (𝑛 + 1) → ((𝑆 D𝑛 𝐹)‘𝑚) = ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)))
2625oveq2d 7428 . . . . . . 7 (𝑚 = (𝑛 + 1) → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚)) = (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1))))
27 oveq2 7420 . . . . . . . 8 (𝑚 = (𝑛 + 1) → (𝑀𝑚) = (𝑀 − (𝑛 + 1)))
2827oveq2d 7428 . . . . . . 7 (𝑚 = (𝑛 + 1) → (𝑁 + (𝑀𝑚)) = (𝑁 + (𝑀 − (𝑛 + 1))))
29 eqidd 2764 . . . . . . 7 (𝑚 = (𝑛 + 1) → 𝐵 = 𝐵)
3026, 28, 29oveq123d 7433 . . . . . 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 2779 . . . . 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 343 . . . 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 6883 . . . . . 6 (𝑚 = 𝑀 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑚) = ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑀))
34 fveq2 6883 . . . . . . . 8 (𝑚 = 𝑀 → ((𝑆 D𝑛 𝐹)‘𝑚) = ((𝑆 D𝑛 𝐹)‘𝑀))
3534oveq2d 7428 . . . . . . 7 (𝑚 = 𝑀 → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚)) = (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀)))
36 oveq2 7420 . . . . . . . 8 (𝑚 = 𝑀 → (𝑀𝑚) = (𝑀𝑀))
3736oveq2d 7428 . . . . . . 7 (𝑚 = 𝑀 → (𝑁 + (𝑀𝑚)) = (𝑁 + (𝑀𝑀)))
38 eqidd 2764 . . . . . . 7 (𝑚 = 𝑀𝐵 = 𝐵)
3935, 37, 38oveq123d 7433 . . . . . 6 (𝑚 = 𝑀 → ((𝑁 + (𝑀𝑚))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑚))𝐵) = ((𝑁 + (𝑀𝑀))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵))
4033, 39eqeq12d 2779 . . . . 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 343 . . . 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 3961 . . . . . . 7 (𝜑 → ℂ ⊆ ℂ)
43 mapsspm 8875 . . . . . . . 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 12570 . . . . . . . . . 10 (𝜑 → (𝑁 + 𝑀) ∈ ℕ0)
49 dvntaylp.b . . . . . . . . . 10 (𝜑𝐵 ∈ dom ((𝑆 D𝑛 𝐹)‘(𝑁 + 𝑀)))
50 eqid 2763 . . . . . . . . . 10 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) = ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵)
5144, 45, 46, 48, 49, 50taylpf 26510 . . . . . . . . 9 (𝜑 → ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵):ℂ⟶ℂ)
52 cnex 11182 . . . . . . . . . 10 ℂ ∈ V
5352, 52elmap 8870 . . . . . . . . 9 (((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) ∈ (ℂ ↑m ℂ) ↔ ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵):ℂ⟶ℂ)
5451, 53sylibr 237 . . . . . . . 8 (𝜑 → ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) ∈ (ℂ ↑m ℂ))
5543, 54sselid 3936 . . . . . . 7 (𝜑 → ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) ∈ (ℂ ↑pm ℂ))
56 dvn0 26064 . . . . . . 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 595 . . . . . 6 (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘0) = ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))
58 recnprss 26044 . . . . . . . . . 10 (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ ℂ)
5944, 58syl 18 . . . . . . . . 9 (𝜑𝑆 ⊆ ℂ)
6052a1i 11 . . . . . . . . . 10 (𝜑 → ℂ ∈ V)
61 elpm2r 8843 . . . . . . . . . 10 (((ℂ ∈ V ∧ 𝑆 ∈ {ℝ, ℂ}) ∧ (𝐹:𝐴⟶ℂ ∧ 𝐴𝑆)) → 𝐹 ∈ (ℂ ↑pm 𝑆))
6260, 44, 45, 46, 61syl22anc 851 . . . . . . . . 9 (𝜑𝐹 ∈ (ℂ ↑pm 𝑆))
63 dvn0 26064 . . . . . . . . 9 ((𝑆 ⊆ ℂ ∧ 𝐹 ∈ (ℂ ↑pm 𝑆)) → ((𝑆 D𝑛 𝐹)‘0) = 𝐹)
6459, 62, 63syl2anc 595 . . . . . . . 8 (𝜑 → ((𝑆 D𝑛 𝐹)‘0) = 𝐹)
6564oveq2d 7428 . . . . . . 7 (𝜑 → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0)) = (𝑆 Tayl 𝐹))
661nn0cnd 12568 . . . . . . . . 9 (𝜑𝑀 ∈ ℂ)
6766subid1d 11559 . . . . . . . 8 (𝜑 → (𝑀 − 0) = 𝑀)
6867oveq2d 7428 . . . . . . 7 (𝜑 → (𝑁 + (𝑀 − 0)) = (𝑁 + 𝑀))
69 eqidd 2764 . . . . . . 7 (𝜑𝐵 = 𝐵)
7065, 68, 69oveq123d 7433 . . . . . 6 (𝜑 → ((𝑁 + (𝑀 − 0))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘0))𝐵) = ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))
7157, 70eqtr4d 2801 . . . . 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 7420 . . . . . . 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 3961 . . . . . . . . 9 ((𝜑𝑛 ∈ (0..^𝑀)) → ℂ ⊆ ℂ)
7555adantr 485 . . . . . . . . 9 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵) ∈ (ℂ ↑pm ℂ))
76 elfzouz 13694 . . . . . . . . . . 11 (𝑛 ∈ (0..^𝑀) → 𝑛 ∈ (ℤ‘0))
7776adantl 486 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑛 ∈ (ℤ‘0))
7877, 2eleqtrrdi 2874 . . . . . . . . 9 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑛 ∈ ℕ0)
79 dvnp1 26065 . . . . . . . . 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 1398 . . . . . . . 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 485 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑆 ∈ {ℝ, ℂ})
8262adantr 485 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝐹 ∈ (ℂ ↑pm 𝑆))
83 dvnf 26067 . . . . . . . . . . 11 ((𝑆 ∈ {ℝ, ℂ} ∧ 𝐹 ∈ (ℂ ↑pm 𝑆) ∧ 𝑛 ∈ ℕ0) → ((𝑆 D𝑛 𝐹)‘𝑛):dom ((𝑆 D𝑛 𝐹)‘𝑛)⟶ℂ)
8481, 82, 78, 83syl3anc 1398 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑆 D𝑛 𝐹)‘𝑛):dom ((𝑆 D𝑛 𝐹)‘𝑛)⟶ℂ)
85 dvnbss 26068 . . . . . . . . . . . . 13 ((𝑆 ∈ {ℝ, ℂ} ∧ 𝐹 ∈ (ℂ ↑pm 𝑆) ∧ 𝑛 ∈ ℕ0) → dom ((𝑆 D𝑛 𝐹)‘𝑛) ⊆ dom 𝐹)
8681, 82, 78, 85syl3anc 1398 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (0..^𝑀)) → dom ((𝑆 D𝑛 𝐹)‘𝑛) ⊆ dom 𝐹)
8745fdmd 6718 . . . . . . . . . . . . 13 (𝜑 → dom 𝐹 = 𝐴)
8887adantr 485 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (0..^𝑀)) → dom 𝐹 = 𝐴)
8986, 88sseqtrd 3974 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → dom ((𝑆 D𝑛 𝐹)‘𝑛) ⊆ 𝐴)
9046adantr 485 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝐴𝑆)
9189, 90sstrd 3948 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → dom ((𝑆 D𝑛 𝐹)‘𝑛) ⊆ 𝑆)
9247adantr 485 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑁 ∈ ℕ0)
93 fzofzp1 13795 . . . . . . . . . . . . 13 (𝑛 ∈ (0..^𝑀) → (𝑛 + 1) ∈ (0...𝑀))
9493adantl 486 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑛 + 1) ∈ (0...𝑀))
95 fznn0sub 13586 . . . . . . . . . . . 12 ((𝑛 + 1) ∈ (0...𝑀) → (𝑀 − (𝑛 + 1)) ∈ ℕ0)
9694, 95syl 18 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑀 − (𝑛 + 1)) ∈ ℕ0)
9792, 96nn0addcld 12570 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + (𝑀 − (𝑛 + 1))) ∈ ℕ0)
9849adantr 485 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝐵 ∈ dom ((𝑆 D𝑛 𝐹)‘(𝑁 + 𝑀)))
99 elfzofz 13706 . . . . . . . . . . . . . . . . 17 (𝑛 ∈ (0..^𝑀) → 𝑛 ∈ (0...𝑀))
10099adantl 486 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑛 ∈ (0...𝑀))
101 fznn0sub 13586 . . . . . . . . . . . . . . . 16 (𝑛 ∈ (0...𝑀) → (𝑀𝑛) ∈ ℕ0)
102100, 101syl 18 . . . . . . . . . . . . . . 15 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑀𝑛) ∈ ℕ0)
10392, 102nn0addcld 12570 . . . . . . . . . . . . . 14 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + (𝑀𝑛)) ∈ ℕ0)
104 dvnadd 26069 . . . . . . . . . . . . . 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 851 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑆 D𝑛 ((𝑆 D𝑛 𝐹)‘𝑛))‘(𝑁 + (𝑀𝑛))) = ((𝑆 D𝑛 𝐹)‘(𝑛 + (𝑁 + (𝑀𝑛)))))
10647nn0cnd 12568 . . . . . . . . . . . . . . . . 17 (𝜑𝑁 ∈ ℂ)
107106adantr 485 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑁 ∈ ℂ)
10896nn0cnd 12568 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑀 − (𝑛 + 1)) ∈ ℂ)
109 1cnd 11203 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → 1 ∈ ℂ)
110107, 108, 109addassd 11232 . . . . . . . . . . . . . . 15 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑁 + (𝑀 − (𝑛 + 1))) + 1) = (𝑁 + ((𝑀 − (𝑛 + 1)) + 1)))
11166adantr 485 . . . . . . . . . . . . . . . . 17 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑀 ∈ ℂ)
11278nn0cnd 12568 . . . . . . . . . . . . . . . . 17 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑛 ∈ ℂ)
113111, 112, 109nppcan2d 11596 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑀 − (𝑛 + 1)) + 1) = (𝑀𝑛))
114113oveq2d 7428 . . . . . . . . . . . . . . 15 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + ((𝑀 − (𝑛 + 1)) + 1)) = (𝑁 + (𝑀𝑛)))
115110, 114eqtrd 2798 . . . . . . . . . . . . . 14 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑁 + (𝑀 − (𝑛 + 1))) + 1) = (𝑁 + (𝑀𝑛)))
116115fveq2d 6887 . . . . . . . . . . . . 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 11573 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑛 + (𝑀𝑛)) = 𝑀)
118117oveq2d 7428 . . . . . . . . . . . . . . 15 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + (𝑛 + (𝑀𝑛))) = (𝑁 + 𝑀))
119111, 112subcld 11570 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑀𝑛) ∈ ℂ)
120107, 112, 119add12d 11438 . . . . . . . . . . . . . . 15 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + (𝑛 + (𝑀𝑛))) = (𝑛 + (𝑁 + (𝑀𝑛))))
121118, 120eqtr3d 2800 . . . . . . . . . . . . . 14 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑁 + 𝑀) = (𝑛 + (𝑁 + (𝑀𝑛))))
122121fveq2d 6887 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑆 D𝑛 𝐹)‘(𝑁 + 𝑀)) = ((𝑆 D𝑛 𝐹)‘(𝑛 + (𝑁 + (𝑀𝑛)))))
123105, 116, 1223eqtr4d 2808 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑆 D𝑛 ((𝑆 D𝑛 𝐹)‘𝑛))‘((𝑁 + (𝑀 − (𝑛 + 1))) + 1)) = ((𝑆 D𝑛 𝐹)‘(𝑁 + 𝑀)))
124123dmeqd 5897 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → dom ((𝑆 D𝑛 ((𝑆 D𝑛 𝐹)‘𝑛))‘((𝑁 + (𝑀 − (𝑛 + 1))) + 1)) = dom ((𝑆 D𝑛 𝐹)‘(𝑁 + 𝑀)))
12598, 124eleqtrrd 2866 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝐵 ∈ dom ((𝑆 D𝑛 ((𝑆 D𝑛 𝐹)‘𝑛))‘((𝑁 + (𝑀 − (𝑛 + 1))) + 1)))
12681, 84, 91, 97, 125dvtaylp 26514 . . . . . . . . 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 7427 . . . . . . . . . 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 7428 . . . . . . . . 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 485 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ (0..^𝑀)) → 𝑆 ⊆ ℂ)
130 dvnp1 26065 . . . . . . . . . . . . 13 ((𝑆 ⊆ ℂ ∧ 𝐹 ∈ (ℂ ↑pm 𝑆) ∧ 𝑛 ∈ ℕ0) → ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)) = (𝑆 D ((𝑆 D𝑛 𝐹)‘𝑛)))
131129, 82, 78, 130syl3anc 1398 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (0..^𝑀)) → ((𝑆 D𝑛 𝐹)‘(𝑛 + 1)) = (𝑆 D ((𝑆 D𝑛 𝐹)‘𝑛)))
132131oveq2d 7428 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1))) = (𝑆 Tayl (𝑆 D ((𝑆 D𝑛 𝐹)‘𝑛))))
133132eqcomd 2769 . . . . . . . . . 10 ((𝜑𝑛 ∈ (0..^𝑀)) → (𝑆 Tayl (𝑆 D ((𝑆 D𝑛 𝐹)‘𝑛))) = (𝑆 Tayl ((𝑆 D𝑛 𝐹)‘(𝑛 + 1))))
134133oveqd 7429 . . . . . . . . 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 2807 . . . . . . . 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 2779 . . . . . . 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, 136imbitrrid 249 . . . . . 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 418 . . . . 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 30 . . . 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 13819 . . 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 39 . 2 (𝜑 → ((ℂ D𝑛 ((𝑁 + 𝑀)(𝑆 Tayl 𝐹)𝐵))‘𝑀) = ((𝑁 + (𝑀𝑀))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵))
14266subidd 11558 . . . . 5 (𝜑 → (𝑀𝑀) = 0)
143142oveq2d 7428 . . . 4 (𝜑 → (𝑁 + (𝑀𝑀)) = (𝑁 + 0))
144106addridd 11411 . . . 4 (𝜑 → (𝑁 + 0) = 𝑁)
145143, 144eqtrd 2798 . . 3 (𝜑 → (𝑁 + (𝑀𝑀)) = 𝑁)
146145oveq1d 7427 . 2 (𝜑 → ((𝑁 + (𝑀𝑀))(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵) = (𝑁(𝑆 Tayl ((𝑆 D𝑛 𝐹)‘𝑀))𝐵))
147141, 146eqtrd 2798 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 400   = wceq 1570  wcel 2143  Vcvv 3455  wss 3906  {cpr 4592  dom cdm 5663  wf 6534  cfv 6538  (class class class)co 7412  m cmap 8825  pm cpm 8826  cc 11099  cr 11100  0cc0 11101  1c1 11102   + caddc 11104  cmin 11442  0cn0 12505  cuz 12863  ...cfz 13536  ..^cfzo 13684   D cdv 26003   D𝑛 cdvn 26004   Tayl ctayl 26497
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-10 2176  ax-11 2192  ax-12 2213  ax-ext 2735  ax-rep 5239  ax-sep 5258  ax-nul 5270  ax-pow 5338  ax-pr 5406  ax-un 7734  ax-inf2 9611  ax-cnex 11157  ax-resscn 11158  ax-1cn 11159  ax-icn 11160  ax-addcl 11161  ax-addrcl 11162  ax-mulcl 11163  ax-mulrcl 11164  ax-mulcom 11165  ax-addass 11166  ax-mulass 11167  ax-distr 11168  ax-i2m1 11169  ax-1ne0 11170  ax-1rid 11171  ax-rnegex 11172  ax-rrecex 11173  ax-cnre 11174  ax-pre-lttri 11175  ax-pre-lttrn 11176  ax-pre-ltadd 11177  ax-pre-mulgt0 11178  ax-pre-sup 11179  ax-addf 11180
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-nf 1814  df-sb 2097  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-nfc 2912  df-ne 2959  df-nel 3065  df-ral 3080  df-rex 3090  df-rmo 3369  df-reu 3370  df-rab 3417  df-v 3457  df-sbc 3746  df-csb 3855  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-pss 3926  df-nul 4288  df-if 4489  df-pw 4565  df-sn 4591  df-pr 4593  df-tp 4595  df-op 4597  df-uni 4874  df-int 4914  df-iun 4959  df-iin 4960  df-br 5111  df-opab 5175  df-mpt 5194  df-tr 5220  df-id 5558  df-eprel 5563  df-po 5571  df-so 5572  df-fr 5616  df-se 5617  df-we 5618  df-xp 5669  df-rel 5670  df-cnv 5671  df-co 5672  df-dm 5673  df-rn 5674  df-res 5675  df-ima 5676  df-pred 6304  df-ord 6365  df-on 6366  df-lim 6367  df-suc 6368  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-fo 6544  df-f1o 6545  df-fv 6546  df-isom 6547  df-riota 7369  df-ov 7415  df-oprab 7416  df-mpo 7417  df-of 7676  df-om 7864  df-1st 7987  df-2nd 7988  df-supp 8158  df-frecs 8279  df-wrecs 8310  df-recs 8359  df-rdg 8398  df-1o 8454  df-2o 8455  df-er 8695  df-map 8827  df-pm 8828  df-ixp 8897  df-en 8945  df-dom 8946  df-sdom 8947  df-fin 8948  df-fsupp 9323  df-fi 9372  df-sup 9403  df-inf 9404  df-oi 9473  df-card 9926  df-pnf 11246  df-mnf 11247  df-xr 11248  df-ltxr 11249  df-le 11250  df-sub 11444  df-neg 11445  df-div 11873  df-nn 12235  df-2 12304  df-3 12305  df-4 12306  df-5 12307  df-6 12308  df-7 12309  df-8 12310  df-9 12311  df-n0 12506  df-z 12593  df-dec 12713  df-uz 12864  df-q 12974  df-rp 13018  df-xneg 13138  df-xadd 13139  df-xmul 13140  df-icc 13380  df-fz 13537  df-fzo 13685  df-seq 14040  df-exp 14100  df-fac 14312  df-hash 14369  df-cj 15152  df-re 15153  df-im 15154  df-sqrt 15288  df-abs 15289  df-clim 15541  df-sum 15740  df-struct 17208  df-sets 17225  df-slot 17243  df-ndx 17255  df-base 17271  df-ress 17292  df-plusg 17324  df-mulr 17325  df-starv 17326  df-sca 17327  df-vsca 17328  df-ip 17329  df-tset 17330  df-ple 17331  df-ds 17333  df-unif 17334  df-hom 17335  df-cco 17336  df-rest 17476  df-topn 17477  df-0g 17495  df-gsum 17496  df-topgen 17497  df-pt 17498  df-prds 17501  df-xrs 17557  df-qtop 17562  df-imas 17563  df-xps 17565  df-mre 17639  df-mrc 17640  df-acs 17642  df-mgm 18699  df-sgrp 18778  df-mnd 18794  df-submnd 18843  df-grp 19004  df-minusg 19005  df-mulg 19135  df-cntz 19388  df-cmn 19853  df-abl 19854  df-mgp 20218  df-ur 20265  df-ring 20318  df-cring 20319  df-psmet 21495  df-xmet 21496  df-met 21497  df-bl 21498  df-mopn 21499  df-fbas 21500  df-fg 21501  df-cnfld 21504  df-top 23032  df-topon 23049  df-topsp 23071  df-bases 23084  df-cld 23157  df-ntr 23158  df-cls 23159  df-nei 23236  df-lp 23274  df-perf 23275  df-cn 23365  df-cnp 23366  df-haus 23453  df-tx 23700  df-hmeo 23893  df-fil 23984  df-fm 24076  df-flim 24077  df-flf 24078  df-tsms 24265  df-xms 24458  df-ms 24459  df-tms 24460  df-cncf 25018  df-limc 26006  df-dv 26007  df-dvn 26008  df-tayl 26499
This theorem is referenced by:  dvntaylp0  26516  taylthlem1  26517
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