Proof of Theorem cnplimclemle
Step | Hyp | Ref
| Expression |
1 | | simpr 109 |
. . 3
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) |
2 | | cnplimclemr.f |
. . . . . . . 8
⊢ (𝜑 → 𝐹:𝐴⟶ℂ) |
3 | | cnplimclemle.z |
. . . . . . . 8
⊢ (𝜑 → 𝑍 ∈ 𝐴) |
4 | 2, 3 | ffvelrnd 5632 |
. . . . . . 7
⊢ (𝜑 → (𝐹‘𝑍) ∈ ℂ) |
5 | | cnplimclemr.b |
. . . . . . . 8
⊢ (𝜑 → 𝐵 ∈ 𝐴) |
6 | 2, 5 | ffvelrnd 5632 |
. . . . . . 7
⊢ (𝜑 → (𝐹‘𝐵) ∈ ℂ) |
7 | 4, 6 | subcld 8230 |
. . . . . 6
⊢ (𝜑 → ((𝐹‘𝑍) − (𝐹‘𝐵)) ∈ ℂ) |
8 | 7 | abscld 11145 |
. . . . 5
⊢ (𝜑 → (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) ∈ ℝ) |
9 | 8 | adantr 274 |
. . . 4
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) ∈ ℝ) |
10 | | cnplimclemle.e |
. . . . . . 7
⊢ (𝜑 → 𝐸 ∈
ℝ+) |
11 | 10 | rphalfcld 9666 |
. . . . . 6
⊢ (𝜑 → (𝐸 / 2) ∈
ℝ+) |
12 | 11 | rpred 9653 |
. . . . 5
⊢ (𝜑 → (𝐸 / 2) ∈ ℝ) |
13 | 12 | adantr 274 |
. . . 4
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → (𝐸 / 2) ∈ ℝ) |
14 | 4 | adantr 274 |
. . . . . . 7
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → (𝐹‘𝑍) ∈ ℂ) |
15 | 1 | adantr 274 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) ∧ 𝑍 # 𝐵) → (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) |
16 | | simpll 524 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) ∧ 𝑍 # 𝐵) → 𝜑) |
17 | 16, 8 | syl 14 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) ∧ 𝑍 # 𝐵) → (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) ∈ ℝ) |
18 | 16, 12 | syl 14 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) ∧ 𝑍 # 𝐵) → (𝐸 / 2) ∈ ℝ) |
19 | | simpr 109 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) ∧ 𝑍 # 𝐵) → 𝑍 # 𝐵) |
20 | | cnplimclemle.zd |
. . . . . . . . . . . . 13
⊢ (𝜑 → (abs‘(𝑍 − 𝐵)) < 𝐷) |
21 | 16, 20 | syl 14 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) ∧ 𝑍 # 𝐵) → (abs‘(𝑍 − 𝐵)) < 𝐷) |
22 | | cnplimclemle.im |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝑍 # 𝐵 ∧ (abs‘(𝑍 − 𝐵)) < 𝐷) → (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) < (𝐸 / 2)) |
23 | 16, 19, 21, 22 | syl3anc 1233 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) ∧ 𝑍 # 𝐵) → (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) < (𝐸 / 2)) |
24 | 17, 18, 23 | ltnsymd 8039 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) ∧ 𝑍 # 𝐵) → ¬ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) |
25 | 15, 24 | pm2.65da 656 |
. . . . . . . . 9
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → ¬ 𝑍 # 𝐵) |
26 | | cnplimclemr.a |
. . . . . . . . . . 11
⊢ (𝜑 → 𝐴 ⊆ ℂ) |
27 | 26, 3 | sseldd 3148 |
. . . . . . . . . 10
⊢ (𝜑 → 𝑍 ∈ ℂ) |
28 | 26, 5 | sseldd 3148 |
. . . . . . . . . . 11
⊢ (𝜑 → 𝐵 ∈ ℂ) |
29 | 28 | adantr 274 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → 𝐵 ∈ ℂ) |
30 | | apti 8541 |
. . . . . . . . . 10
⊢ ((𝑍 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝑍 = 𝐵 ↔ ¬ 𝑍 # 𝐵)) |
31 | 27, 29, 30 | syl2an2r 590 |
. . . . . . . . 9
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → (𝑍 = 𝐵 ↔ ¬ 𝑍 # 𝐵)) |
32 | 25, 31 | mpbird 166 |
. . . . . . . 8
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → 𝑍 = 𝐵) |
33 | 32 | fveq2d 5500 |
. . . . . . 7
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → (𝐹‘𝑍) = (𝐹‘𝐵)) |
34 | 14, 33 | subeq0bd 8298 |
. . . . . 6
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → ((𝐹‘𝑍) − (𝐹‘𝐵)) = 0) |
35 | 34 | abs00bd 11030 |
. . . . 5
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) = 0) |
36 | 11 | adantr 274 |
. . . . . 6
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → (𝐸 / 2) ∈
ℝ+) |
37 | 36 | rpgt0d 9656 |
. . . . 5
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → 0 < (𝐸 / 2)) |
38 | 35, 37 | eqbrtrd 4011 |
. . . 4
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) < (𝐸 / 2)) |
39 | 9, 13, 38 | ltnsymd 8039 |
. . 3
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → ¬ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) |
40 | 1, 39 | pm2.21dd 615 |
. 2
⊢ ((𝜑 ∧ (𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵)))) → (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) < 𝐸) |
41 | | simpr 109 |
. 2
⊢ ((𝜑 ∧ (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) < 𝐸) → (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) < 𝐸) |
42 | | rphalflt 9640 |
. . . 4
⊢ (𝐸 ∈ ℝ+
→ (𝐸 / 2) < 𝐸) |
43 | 10, 42 | syl 14 |
. . 3
⊢ (𝜑 → (𝐸 / 2) < 𝐸) |
44 | 10 | rpred 9653 |
. . . 4
⊢ (𝜑 → 𝐸 ∈ ℝ) |
45 | | axltwlin 7987 |
. . . 4
⊢ (((𝐸 / 2) ∈ ℝ ∧ 𝐸 ∈ ℝ ∧
(abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) ∈ ℝ) → ((𝐸 / 2) < 𝐸 → ((𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) ∨ (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) < 𝐸))) |
46 | 12, 44, 8, 45 | syl3anc 1233 |
. . 3
⊢ (𝜑 → ((𝐸 / 2) < 𝐸 → ((𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) ∨ (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) < 𝐸))) |
47 | 43, 46 | mpd 13 |
. 2
⊢ (𝜑 → ((𝐸 / 2) < (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) ∨ (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) < 𝐸)) |
48 | 40, 41, 47 | mpjaodan 793 |
1
⊢ (𝜑 → (abs‘((𝐹‘𝑍) − (𝐹‘𝐵))) < 𝐸) |