| Step | Hyp | Ref
| Expression |
| 1 | | 2a1 28 |
. . . . . . 7
⊢ (𝜑 → ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → 𝜑))) |
| 2 | 1 | imp 407 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1)))) → (𝑘 < 𝑡 → 𝜑)) |
| 3 | | 2a1 28 |
. . . . . . . 8
⊢ (𝑘 ∈ (0..^𝑇) → (𝑡 ∈ (1..^(𝑇 + 1)) → (𝑘 < 𝑡 → 𝑘 ∈ (0..^𝑇)))) |
| 4 | 3 | imp 407 |
. . . . . . 7
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → 𝑘 ∈ (0..^𝑇))) |
| 5 | 4 | adantl 482 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1)))) → (𝑘 < 𝑡 → 𝑘 ∈ (0..^𝑇))) |
| 6 | 2, 5 | jcad 517 |
. . . . 5
⊢ ((𝜑 ∧ (𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1)))) → (𝑘 < 𝑡 → (𝜑 ∧ 𝑘 ∈ (0..^𝑇)))) |
| 7 | | elfzoelz 13604 |
. . . . . . . . 9
⊢ (𝑡 ∈ (1..^(𝑇 + 1)) → 𝑡 ∈ ℤ) |
| 8 | 7 | adantl 482 |
. . . . . . . 8
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑡 ∈ ℤ) |
| 9 | 8 | a1d 25 |
. . . . . . 7
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → 𝑡 ∈ ℤ)) |
| 10 | | elfzoelz 13604 |
. . . . . . . . . 10
⊢ (𝑘 ∈ (0..^𝑇) → 𝑘 ∈ ℤ) |
| 11 | 10 | adantr 481 |
. . . . . . . . 9
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑘 ∈ ℤ) |
| 12 | | zltp1le 12568 |
. . . . . . . . 9
⊢ ((𝑘 ∈ ℤ ∧ 𝑡 ∈ ℤ) → (𝑘 < 𝑡 ↔ (𝑘 + 1) ≤ 𝑡)) |
| 13 | 11, 8, 12 | syl2anc 590 |
. . . . . . . 8
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 ↔ (𝑘 + 1) ≤ 𝑡)) |
| 14 | 13 | biimpd 230 |
. . . . . . 7
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → (𝑘 + 1) ≤ 𝑡)) |
| 15 | 8 | zred 12624 |
. . . . . . . . . 10
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑡 ∈ ℝ) |
| 16 | | elfzoel2 13603 |
. . . . . . . . . . . 12
⊢ (𝑘 ∈ (0..^𝑇) → 𝑇 ∈ ℤ) |
| 17 | 16 | adantr 481 |
. . . . . . . . . . 11
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑇 ∈ ℤ) |
| 18 | 17 | zred 12624 |
. . . . . . . . . 10
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑇 ∈ ℝ) |
| 19 | | 1red 11136 |
. . . . . . . . . 10
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 1 ∈
ℝ) |
| 20 | 15, 18, 19 | 3jca 1134 |
. . . . . . . . 9
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑡 ∈ ℝ ∧ 𝑇 ∈ ℝ ∧ 1 ∈
ℝ)) |
| 21 | | elfzop1le2 13618 |
. . . . . . . . . 10
⊢ (𝑡 ∈ (1..^(𝑇 + 1)) → (𝑡 + 1) ≤ (𝑇 + 1)) |
| 22 | 21 | adantl 482 |
. . . . . . . . 9
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑡 + 1) ≤ (𝑇 + 1)) |
| 23 | | leadd1 11609 |
. . . . . . . . . 10
⊢ ((𝑡 ∈ ℝ ∧ 𝑇 ∈ ℝ ∧ 1 ∈
ℝ) → (𝑡 ≤
𝑇 ↔ (𝑡 + 1) ≤ (𝑇 + 1))) |
| 24 | 23 | biimprd 249 |
. . . . . . . . 9
⊢ ((𝑡 ∈ ℝ ∧ 𝑇 ∈ ℝ ∧ 1 ∈
ℝ) → ((𝑡 + 1)
≤ (𝑇 + 1) → 𝑡 ≤ 𝑇)) |
| 25 | 20, 22, 24 | sylc 65 |
. . . . . . . 8
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑡 ≤ 𝑇) |
| 26 | 25 | a1d 25 |
. . . . . . 7
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → 𝑡 ≤ 𝑇)) |
| 27 | 9, 14, 26 | 3jcad 1135 |
. . . . . 6
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → (𝑡 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑡 ∧ 𝑡 ≤ 𝑇))) |
| 28 | 27 | adantl 482 |
. . . . 5
⊢ ((𝜑 ∧ (𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1)))) → (𝑘 < 𝑡 → (𝑡 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑡 ∧ 𝑡 ≤ 𝑇))) |
| 29 | 6, 28 | jcad 517 |
. . . 4
⊢ ((𝜑 ∧ (𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1)))) → (𝑘 < 𝑡 → ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑡 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑡 ∧ 𝑡 ≤ 𝑇)))) |
| 30 | 29 | ex 413 |
. . 3
⊢ (𝜑 → ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑡 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑡 ∧ 𝑡 ≤ 𝑇))))) |
| 31 | | fveq2 6827 |
. . . . 5
⊢ (𝑎 = (𝑘 + 1) → (𝐵‘𝑎) = (𝐵‘(𝑘 + 1))) |
| 32 | 31 | breq2d 5084 |
. . . 4
⊢ (𝑎 = (𝑘 + 1) → ((𝐵‘𝑘)𝑅(𝐵‘𝑎) ↔ (𝐵‘𝑘)𝑅(𝐵‘(𝑘 + 1)))) |
| 33 | | fveq2 6827 |
. . . . 5
⊢ (𝑎 = 𝑏 → (𝐵‘𝑎) = (𝐵‘𝑏)) |
| 34 | 33 | breq2d 5084 |
. . . 4
⊢ (𝑎 = 𝑏 → ((𝐵‘𝑘)𝑅(𝐵‘𝑎) ↔ (𝐵‘𝑘)𝑅(𝐵‘𝑏))) |
| 35 | | fveq2 6827 |
. . . . 5
⊢ (𝑎 = (𝑏 + 1) → (𝐵‘𝑎) = (𝐵‘(𝑏 + 1))) |
| 36 | 35 | breq2d 5084 |
. . . 4
⊢ (𝑎 = (𝑏 + 1) → ((𝐵‘𝑘)𝑅(𝐵‘𝑎) ↔ (𝐵‘𝑘)𝑅(𝐵‘(𝑏 + 1)))) |
| 37 | | fveq2 6827 |
. . . . 5
⊢ (𝑎 = 𝑡 → (𝐵‘𝑎) = (𝐵‘𝑡)) |
| 38 | 37 | breq2d 5084 |
. . . 4
⊢ (𝑎 = 𝑡 → ((𝐵‘𝑘)𝑅(𝐵‘𝑎) ↔ (𝐵‘𝑘)𝑅(𝐵‘𝑡))) |
| 39 | | ormkglobd.3 |
. . . . 5
⊢ (𝜑 → ∀𝑘 ∈ (0..^𝑇)(𝐵‘𝑘)𝑅(𝐵‘(𝑘 + 1))) |
| 40 | 39 | r19.21bi 3231 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → (𝐵‘𝑘)𝑅(𝐵‘(𝑘 + 1))) |
| 41 | | simp1l 1204 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝜑) |
| 42 | | ormkglobd.1 |
. . . . . 6
⊢ (𝜑 → 𝑅 Or 𝑆) |
| 43 | 41, 42 | syl 17 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑅 Or 𝑆) |
| 44 | | elfzofz 13621 |
. . . . . . . 8
⊢ (𝑘 ∈ (0..^𝑇) → 𝑘 ∈ (0...𝑇)) |
| 45 | | fzval3 13680 |
. . . . . . . . 9
⊢ (𝑇 ∈ ℤ →
(0...𝑇) = (0..^(𝑇 + 1))) |
| 46 | 16, 45 | syl 17 |
. . . . . . . 8
⊢ (𝑘 ∈ (0..^𝑇) → (0...𝑇) = (0..^(𝑇 + 1))) |
| 47 | 44, 46 | eleqtrd 2841 |
. . . . . . 7
⊢ (𝑘 ∈ (0..^𝑇) → 𝑘 ∈ (0..^(𝑇 + 1))) |
| 48 | | ormkglobd.2 |
. . . . . . . 8
⊢ (𝜑 → ∀𝑘 ∈ (0..^(𝑇 + 1))(𝐵‘𝑘) ∈ 𝑆) |
| 49 | 48 | r19.21bi 3231 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^(𝑇 + 1))) → (𝐵‘𝑘) ∈ 𝑆) |
| 50 | 47, 49 | sylan2 599 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → (𝐵‘𝑘) ∈ 𝑆) |
| 51 | 50 | 3ad2ant1 1139 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘𝑘) ∈ 𝑆) |
| 52 | | simp21 1213 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 ∈ ℤ) |
| 53 | | 0red 11138 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 0 ∈ ℝ) |
| 54 | | simp1r 1205 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑘 ∈ (0..^𝑇)) |
| 55 | 54, 10 | syl 17 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑘 ∈ ℤ) |
| 56 | 55 | zred 12624 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑘 ∈ ℝ) |
| 57 | | 1red 11136 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 1 ∈ ℝ) |
| 58 | 56, 57 | readdcld 11165 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑘 + 1) ∈ ℝ) |
| 59 | 52 | zred 12624 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 ∈ ℝ) |
| 60 | | elfzole1 13613 |
. . . . . . . . . . 11
⊢ (𝑘 ∈ (0..^𝑇) → 0 ≤ 𝑘) |
| 61 | 54, 60 | syl 17 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 0 ≤ 𝑘) |
| 62 | | 0le1 11664 |
. . . . . . . . . . 11
⊢ 0 ≤
1 |
| 63 | 62 | a1i 11 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 0 ≤ 1) |
| 64 | 56, 57, 61, 63 | addge0d 11717 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 0 ≤ (𝑘 + 1)) |
| 65 | | simp22 1214 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑘 + 1) ≤ 𝑏) |
| 66 | 53, 58, 59, 64, 65 | letrd 11294 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 0 ≤ 𝑏) |
| 67 | | elnn0z 12528 |
. . . . . . . 8
⊢ (𝑏 ∈ ℕ0
↔ (𝑏 ∈ ℤ
∧ 0 ≤ 𝑏)) |
| 68 | 52, 66, 67 | sylanbrc 589 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 ∈ ℕ0) |
| 69 | 54, 16 | syl 17 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑇 ∈ ℤ) |
| 70 | 69 | peano2zd 12627 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑇 + 1) ∈ ℤ) |
| 71 | 69 | zred 12624 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑇 ∈ ℝ) |
| 72 | 71, 57 | readdcld 11165 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑇 + 1) ∈ ℝ) |
| 73 | | simp23 1215 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 < 𝑇) |
| 74 | 71 | ltp1d 12077 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑇 < (𝑇 + 1)) |
| 75 | 59, 71, 72, 73, 74 | lttrd 11298 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 < (𝑇 + 1)) |
| 76 | | elfzo0z 13647 |
. . . . . . 7
⊢ (𝑏 ∈ (0..^(𝑇 + 1)) ↔ (𝑏 ∈ ℕ0 ∧ (𝑇 + 1) ∈ ℤ ∧ 𝑏 < (𝑇 + 1))) |
| 77 | 68, 70, 75, 76 | syl3anbrc 1350 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 ∈ (0..^(𝑇 + 1))) |
| 78 | | eleq1w 2822 |
. . . . . . . . 9
⊢ (𝑘 = 𝑏 → (𝑘 ∈ (0..^(𝑇 + 1)) ↔ 𝑏 ∈ (0..^(𝑇 + 1)))) |
| 79 | 78 | anbi2d 636 |
. . . . . . . 8
⊢ (𝑘 = 𝑏 → ((𝜑 ∧ 𝑘 ∈ (0..^(𝑇 + 1))) ↔ (𝜑 ∧ 𝑏 ∈ (0..^(𝑇 + 1))))) |
| 80 | | fveq2 6827 |
. . . . . . . . . 10
⊢ (𝑘 = 𝑏 → (𝐵‘𝑘) = (𝐵‘𝑏)) |
| 81 | 80 | eleq1d 2824 |
. . . . . . . . 9
⊢ (𝑘 = 𝑏 → ((𝐵‘𝑘) ∈ 𝑆 ↔ (𝐵‘𝑏) ∈ 𝑆)) |
| 82 | 49, 81 | imbitrid 245 |
. . . . . . . 8
⊢ (𝑘 = 𝑏 → ((𝜑 ∧ 𝑘 ∈ (0..^(𝑇 + 1))) → (𝐵‘𝑏) ∈ 𝑆)) |
| 83 | 79, 82 | sylbird 261 |
. . . . . . 7
⊢ (𝑘 = 𝑏 → ((𝜑 ∧ 𝑏 ∈ (0..^(𝑇 + 1))) → (𝐵‘𝑏) ∈ 𝑆)) |
| 84 | | ax6ev 1976 |
. . . . . . 7
⊢
∃𝑘 𝑘 = 𝑏 |
| 85 | 83, 84 | exlimiiv 1938 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑏 ∈ (0..^(𝑇 + 1))) → (𝐵‘𝑏) ∈ 𝑆) |
| 86 | 41, 77, 85 | syl2anc 590 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘𝑏) ∈ 𝑆) |
| 87 | | 1nn0 12444 |
. . . . . . . . 9
⊢ 1 ∈
ℕ0 |
| 88 | 87 | a1i 11 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 1 ∈
ℕ0) |
| 89 | 68, 88 | nn0addcld 12493 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑏 + 1) ∈
ℕ0) |
| 90 | 59, 71, 57, 73 | ltadd1dd 11752 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑏 + 1) < (𝑇 + 1)) |
| 91 | | elfzo0z 13647 |
. . . . . . 7
⊢ ((𝑏 + 1) ∈ (0..^(𝑇 + 1)) ↔ ((𝑏 + 1) ∈ ℕ0
∧ (𝑇 + 1) ∈
ℤ ∧ (𝑏 + 1) <
(𝑇 + 1))) |
| 92 | 89, 70, 90, 91 | syl3anbrc 1350 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑏 + 1) ∈ (0..^(𝑇 + 1))) |
| 93 | | ovex 7389 |
. . . . . . 7
⊢ (𝑏 + 1) ∈ V |
| 94 | | eleq1 2827 |
. . . . . . . . 9
⊢ (𝑘 = (𝑏 + 1) → (𝑘 ∈ (0..^(𝑇 + 1)) ↔ (𝑏 + 1) ∈ (0..^(𝑇 + 1)))) |
| 95 | 94 | anbi2d 636 |
. . . . . . . 8
⊢ (𝑘 = (𝑏 + 1) → ((𝜑 ∧ 𝑘 ∈ (0..^(𝑇 + 1))) ↔ (𝜑 ∧ (𝑏 + 1) ∈ (0..^(𝑇 + 1))))) |
| 96 | | fveq2 6827 |
. . . . . . . . . 10
⊢ (𝑘 = (𝑏 + 1) → (𝐵‘𝑘) = (𝐵‘(𝑏 + 1))) |
| 97 | 96 | eleq1d 2824 |
. . . . . . . . 9
⊢ (𝑘 = (𝑏 + 1) → ((𝐵‘𝑘) ∈ 𝑆 ↔ (𝐵‘(𝑏 + 1)) ∈ 𝑆)) |
| 98 | 49, 97 | imbitrid 245 |
. . . . . . . 8
⊢ (𝑘 = (𝑏 + 1) → ((𝜑 ∧ 𝑘 ∈ (0..^(𝑇 + 1))) → (𝐵‘(𝑏 + 1)) ∈ 𝑆)) |
| 99 | 95, 98 | sylbird 261 |
. . . . . . 7
⊢ (𝑘 = (𝑏 + 1) → ((𝜑 ∧ (𝑏 + 1) ∈ (0..^(𝑇 + 1))) → (𝐵‘(𝑏 + 1)) ∈ 𝑆)) |
| 100 | 93, 99 | vtocle 3501 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑏 + 1) ∈ (0..^(𝑇 + 1))) → (𝐵‘(𝑏 + 1)) ∈ 𝑆) |
| 101 | 41, 92, 100 | syl2anc 590 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘(𝑏 + 1)) ∈ 𝑆) |
| 102 | | simp3 1144 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘𝑘)𝑅(𝐵‘𝑏)) |
| 103 | | elfzo0z 13647 |
. . . . . . 7
⊢ (𝑏 ∈ (0..^𝑇) ↔ (𝑏 ∈ ℕ0 ∧ 𝑇 ∈ ℤ ∧ 𝑏 < 𝑇)) |
| 104 | 68, 69, 73, 103 | syl3anbrc 1350 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 ∈ (0..^𝑇)) |
| 105 | | eleq1w 2822 |
. . . . . . . . 9
⊢ (𝑏 = 𝑘 → (𝑏 ∈ (0..^𝑇) ↔ 𝑘 ∈ (0..^𝑇))) |
| 106 | 105 | anbi2d 636 |
. . . . . . . 8
⊢ (𝑏 = 𝑘 → ((𝜑 ∧ 𝑏 ∈ (0..^𝑇)) ↔ (𝜑 ∧ 𝑘 ∈ (0..^𝑇)))) |
| 107 | | fveq2 6827 |
. . . . . . . . . 10
⊢ (𝑏 = 𝑘 → (𝐵‘𝑏) = (𝐵‘𝑘)) |
| 108 | | fvoveq1 7379 |
. . . . . . . . . 10
⊢ (𝑏 = 𝑘 → (𝐵‘(𝑏 + 1)) = (𝐵‘(𝑘 + 1))) |
| 109 | 107, 108 | breq12d 5085 |
. . . . . . . . 9
⊢ (𝑏 = 𝑘 → ((𝐵‘𝑏)𝑅(𝐵‘(𝑏 + 1)) ↔ (𝐵‘𝑘)𝑅(𝐵‘(𝑘 + 1)))) |
| 110 | 40, 109 | imbitrrid 247 |
. . . . . . . 8
⊢ (𝑏 = 𝑘 → ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → (𝐵‘𝑏)𝑅(𝐵‘(𝑏 + 1)))) |
| 111 | 106, 110 | sylbid 241 |
. . . . . . 7
⊢ (𝑏 = 𝑘 → ((𝜑 ∧ 𝑏 ∈ (0..^𝑇)) → (𝐵‘𝑏)𝑅(𝐵‘(𝑏 + 1)))) |
| 112 | | ax6evr 2022 |
. . . . . . 7
⊢
∃𝑘 𝑏 = 𝑘 |
| 113 | 111, 112 | exlimiiv 1938 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑏 ∈ (0..^𝑇)) → (𝐵‘𝑏)𝑅(𝐵‘(𝑏 + 1))) |
| 114 | 41, 104, 113 | syl2anc 590 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘𝑏)𝑅(𝐵‘(𝑏 + 1))) |
| 115 | 43, 51, 86, 101, 102, 114 | sotrd 5552 |
. . . 4
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘𝑘)𝑅(𝐵‘(𝑏 + 1))) |
| 116 | 10 | adantl 482 |
. . . . 5
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → 𝑘 ∈ ℤ) |
| 117 | 116 | peano2zd 12627 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → (𝑘 + 1) ∈ ℤ) |
| 118 | 16 | adantl 482 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → 𝑇 ∈ ℤ) |
| 119 | | elfzop1le2 13618 |
. . . . 5
⊢ (𝑘 ∈ (0..^𝑇) → (𝑘 + 1) ≤ 𝑇) |
| 120 | 119 | adantl 482 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → (𝑘 + 1) ≤ 𝑇) |
| 121 | 32, 34, 36, 38, 40, 115, 117, 118, 120 | fzindd 12622 |
. . 3
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑡 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑡 ∧ 𝑡 ≤ 𝑇)) → (𝐵‘𝑘)𝑅(𝐵‘𝑡)) |
| 122 | 30, 121 | syl8 76 |
. 2
⊢ (𝜑 → ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → (𝐵‘𝑘)𝑅(𝐵‘𝑡)))) |
| 123 | 122 | ralrimivv 3180 |
1
⊢ (𝜑 → ∀𝑘 ∈ (0..^𝑇)∀𝑡 ∈ (1..^(𝑇 + 1))(𝑘 < 𝑡 → (𝐵‘𝑘)𝑅(𝐵‘𝑡))) |