| Step | Hyp | Ref
| Expression |
| 1 | | climsuselem1.1 |
. . . 4
⊢ 𝑍 =
(ℤ≥‘𝑀) |
| 2 | 1 | eleq2i 2831 |
. . 3
⊢ (𝐾 ∈ 𝑍 ↔ 𝐾 ∈ (ℤ≥‘𝑀)) |
| 3 | 2 | bilani 505 |
. 2
⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → 𝐾 ∈ (ℤ≥‘𝑀)) |
| 4 | | simpl 483 |
. 2
⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → 𝜑) |
| 5 | | fveq2 6827 |
. . . . 5
⊢ (𝑗 = 𝑀 → (𝐼‘𝑗) = (𝐼‘𝑀)) |
| 6 | | fveq2 6827 |
. . . . 5
⊢ (𝑗 = 𝑀 → (ℤ≥‘𝑗) =
(ℤ≥‘𝑀)) |
| 7 | 5, 6 | eleq12d 2833 |
. . . 4
⊢ (𝑗 = 𝑀 → ((𝐼‘𝑗) ∈ (ℤ≥‘𝑗) ↔ (𝐼‘𝑀) ∈ (ℤ≥‘𝑀))) |
| 8 | 7 | imbi2d 341 |
. . 3
⊢ (𝑗 = 𝑀 → ((𝜑 → (𝐼‘𝑗) ∈ (ℤ≥‘𝑗)) ↔ (𝜑 → (𝐼‘𝑀) ∈ (ℤ≥‘𝑀)))) |
| 9 | | fveq2 6827 |
. . . . 5
⊢ (𝑗 = 𝑘 → (𝐼‘𝑗) = (𝐼‘𝑘)) |
| 10 | | fveq2 6827 |
. . . . 5
⊢ (𝑗 = 𝑘 → (ℤ≥‘𝑗) =
(ℤ≥‘𝑘)) |
| 11 | 9, 10 | eleq12d 2833 |
. . . 4
⊢ (𝑗 = 𝑘 → ((𝐼‘𝑗) ∈ (ℤ≥‘𝑗) ↔ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘))) |
| 12 | 11 | imbi2d 341 |
. . 3
⊢ (𝑗 = 𝑘 → ((𝜑 → (𝐼‘𝑗) ∈ (ℤ≥‘𝑗)) ↔ (𝜑 → (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)))) |
| 13 | | fveq2 6827 |
. . . . 5
⊢ (𝑗 = (𝑘 + 1) → (𝐼‘𝑗) = (𝐼‘(𝑘 + 1))) |
| 14 | | fveq2 6827 |
. . . . 5
⊢ (𝑗 = (𝑘 + 1) →
(ℤ≥‘𝑗) = (ℤ≥‘(𝑘 + 1))) |
| 15 | 13, 14 | eleq12d 2833 |
. . . 4
⊢ (𝑗 = (𝑘 + 1) → ((𝐼‘𝑗) ∈ (ℤ≥‘𝑗) ↔ (𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘(𝑘 + 1)))) |
| 16 | 15 | imbi2d 341 |
. . 3
⊢ (𝑗 = (𝑘 + 1) → ((𝜑 → (𝐼‘𝑗) ∈ (ℤ≥‘𝑗)) ↔ (𝜑 → (𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘(𝑘 + 1))))) |
| 17 | | fveq2 6827 |
. . . . 5
⊢ (𝑗 = 𝐾 → (𝐼‘𝑗) = (𝐼‘𝐾)) |
| 18 | | fveq2 6827 |
. . . . 5
⊢ (𝑗 = 𝐾 → (ℤ≥‘𝑗) =
(ℤ≥‘𝐾)) |
| 19 | 17, 18 | eleq12d 2833 |
. . . 4
⊢ (𝑗 = 𝐾 → ((𝐼‘𝑗) ∈ (ℤ≥‘𝑗) ↔ (𝐼‘𝐾) ∈ (ℤ≥‘𝐾))) |
| 20 | 19 | imbi2d 341 |
. . 3
⊢ (𝑗 = 𝐾 → ((𝜑 → (𝐼‘𝑗) ∈ (ℤ≥‘𝑗)) ↔ (𝜑 → (𝐼‘𝐾) ∈ (ℤ≥‘𝐾)))) |
| 21 | | climsuselem1.3 |
. . . . 5
⊢ (𝜑 → (𝐼‘𝑀) ∈ 𝑍) |
| 22 | 21, 1 | eleqtrdi 2849 |
. . . 4
⊢ (𝜑 → (𝐼‘𝑀) ∈ (ℤ≥‘𝑀)) |
| 23 | 22 | a1i 11 |
. . 3
⊢ (𝑀 ∈ ℤ → (𝜑 → (𝐼‘𝑀) ∈ (ℤ≥‘𝑀))) |
| 24 | | simpr 485 |
. . . . 5
⊢ (((𝑘 ∈
(ℤ≥‘𝑀) ∧ (𝜑 → (𝐼‘𝑘) ∈ (ℤ≥‘𝑘))) ∧ 𝜑) → 𝜑) |
| 25 | | simpll 772 |
. . . . 5
⊢ (((𝑘 ∈
(ℤ≥‘𝑀) ∧ (𝜑 → (𝐼‘𝑘) ∈ (ℤ≥‘𝑘))) ∧ 𝜑) → 𝑘 ∈ (ℤ≥‘𝑀)) |
| 26 | | simplr 774 |
. . . . . 6
⊢ (((𝑘 ∈
(ℤ≥‘𝑀) ∧ (𝜑 → (𝐼‘𝑘) ∈ (ℤ≥‘𝑘))) ∧ 𝜑) → (𝜑 → (𝐼‘𝑘) ∈ (ℤ≥‘𝑘))) |
| 27 | 24, 26 | mpd 15 |
. . . . 5
⊢ (((𝑘 ∈
(ℤ≥‘𝑀) ∧ (𝜑 → (𝐼‘𝑘) ∈ (ℤ≥‘𝑘))) ∧ 𝜑) → (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) |
| 28 | | eluzelz 12789 |
. . . . . . . . . 10
⊢ (𝑘 ∈
(ℤ≥‘𝑀) → 𝑘 ∈ ℤ) |
| 29 | 28 | 3ad2ant2 1140 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → 𝑘 ∈ ℤ) |
| 30 | 29 | peano2zd 12627 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → (𝑘 + 1) ∈ ℤ) |
| 31 | 30 | zred 12624 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → (𝑘 + 1) ∈ ℝ) |
| 32 | | eluzelre 12790 |
. . . . . . . . 9
⊢ ((𝐼‘𝑘) ∈ (ℤ≥‘𝑘) → (𝐼‘𝑘) ∈ ℝ) |
| 33 | 32 | 3ad2ant3 1141 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → (𝐼‘𝑘) ∈ ℝ) |
| 34 | | 1red 11136 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → 1 ∈
ℝ) |
| 35 | 33, 34 | readdcld 11165 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → ((𝐼‘𝑘) + 1) ∈ ℝ) |
| 36 | 1 | eqimss2i 3976 |
. . . . . . . . . . . . . 14
⊢
(ℤ≥‘𝑀) ⊆ 𝑍 |
| 37 | 36 | a1i 11 |
. . . . . . . . . . . . 13
⊢ (𝜑 →
(ℤ≥‘𝑀) ⊆ 𝑍) |
| 38 | 37 | sseld 3914 |
. . . . . . . . . . . 12
⊢ (𝜑 → (𝑘 ∈ (ℤ≥‘𝑀) → 𝑘 ∈ 𝑍)) |
| 39 | 38 | imdistani 573 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → (𝜑 ∧ 𝑘 ∈ 𝑍)) |
| 40 | | climsuselem1.4 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘((𝐼‘𝑘) + 1))) |
| 41 | 39, 40 | syl 17 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → (𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘((𝐼‘𝑘) + 1))) |
| 42 | 41 | 3adant3 1138 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → (𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘((𝐼‘𝑘) + 1))) |
| 43 | | eluzelz 12789 |
. . . . . . . . 9
⊢ ((𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘((𝐼‘𝑘) + 1)) → (𝐼‘(𝑘 + 1)) ∈ ℤ) |
| 44 | 42, 43 | syl 17 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → (𝐼‘(𝑘 + 1)) ∈ ℤ) |
| 45 | 44 | zred 12624 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → (𝐼‘(𝑘 + 1)) ∈ ℝ) |
| 46 | 29 | zred 12624 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → 𝑘 ∈ ℝ) |
| 47 | | eluzle 12792 |
. . . . . . . . 9
⊢ ((𝐼‘𝑘) ∈ (ℤ≥‘𝑘) → 𝑘 ≤ (𝐼‘𝑘)) |
| 48 | 47 | 3ad2ant3 1141 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → 𝑘 ≤ (𝐼‘𝑘)) |
| 49 | 46, 33, 34, 48 | leadd1dd 11755 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → (𝑘 + 1) ≤ ((𝐼‘𝑘) + 1)) |
| 50 | | eluzle 12792 |
. . . . . . . 8
⊢ ((𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘((𝐼‘𝑘) + 1)) → ((𝐼‘𝑘) + 1) ≤ (𝐼‘(𝑘 + 1))) |
| 51 | 42, 50 | syl 17 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → ((𝐼‘𝑘) + 1) ≤ (𝐼‘(𝑘 + 1))) |
| 52 | 31, 35, 45, 49, 51 | letrd 11294 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → (𝑘 + 1) ≤ (𝐼‘(𝑘 + 1))) |
| 53 | | eluz 12793 |
. . . . . . 7
⊢ (((𝑘 + 1) ∈ ℤ ∧
(𝐼‘(𝑘 + 1)) ∈ ℤ) →
((𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘(𝑘 + 1)) ↔ (𝑘 + 1) ≤ (𝐼‘(𝑘 + 1)))) |
| 54 | 30, 44, 53 | syl2anc 590 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → ((𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘(𝑘 + 1)) ↔ (𝑘 + 1) ≤ (𝐼‘(𝑘 + 1)))) |
| 55 | 52, 54 | mpbird 258 |
. . . . 5
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀) ∧ (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → (𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘(𝑘 + 1))) |
| 56 | 24, 25, 27, 55 | syl3anc 1379 |
. . . 4
⊢ (((𝑘 ∈
(ℤ≥‘𝑀) ∧ (𝜑 → (𝐼‘𝑘) ∈ (ℤ≥‘𝑘))) ∧ 𝜑) → (𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘(𝑘 + 1))) |
| 57 | 56 | exp31 420 |
. . 3
⊢ (𝑘 ∈
(ℤ≥‘𝑀) → ((𝜑 → (𝐼‘𝑘) ∈ (ℤ≥‘𝑘)) → (𝜑 → (𝐼‘(𝑘 + 1)) ∈
(ℤ≥‘(𝑘 + 1))))) |
| 58 | 8, 12, 16, 20, 23, 57 | uzind4 12847 |
. 2
⊢ (𝐾 ∈
(ℤ≥‘𝑀) → (𝜑 → (𝐼‘𝐾) ∈ (ℤ≥‘𝐾))) |
| 59 | 3, 4, 58 | sylc 65 |
1
⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → (𝐼‘𝐾) ∈ (ℤ≥‘𝐾)) |