| Step | Hyp | Ref
| Expression |
| 1 | | 2a1 29 |
. . . . . . 7
⊢ (𝜑 → ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → 𝜑))) |
| 2 | 1 | imp 412 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1)))) → (𝑘 < 𝑡 → 𝜑)) |
| 3 | | 2a1 29 |
. . . . . . . 8
⊢ (𝑘 ∈ (0..^𝑇) → (𝑡 ∈ (1..^(𝑇 + 1)) → (𝑘 < 𝑡 → 𝑘 ∈ (0..^𝑇)))) |
| 4 | 3 | imp 412 |
. . . . . . 7
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → 𝑘 ∈ (0..^𝑇))) |
| 5 | 4 | adantl 487 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1)))) → (𝑘 < 𝑡 → 𝑘 ∈ (0..^𝑇))) |
| 6 | 2, 5 | jcad 522 |
. . . . 5
⊢ ((𝜑 ∧ (𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1)))) → (𝑘 < 𝑡 → (𝜑 ∧ 𝑘 ∈ (0..^𝑇)))) |
| 7 | | elfzoelz 13714 |
. . . . . . . . 9
⊢ (𝑡 ∈ (1..^(𝑇 + 1)) → 𝑡 ∈ ℤ) |
| 8 | 7 | adantl 487 |
. . . . . . . 8
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑡 ∈ ℤ) |
| 9 | 8 | a1d 26 |
. . . . . . 7
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → 𝑡 ∈ ℤ)) |
| 10 | | elfzoelz 13714 |
. . . . . . . . . 10
⊢ (𝑘 ∈ (0..^𝑇) → 𝑘 ∈ ℤ) |
| 11 | 10 | adantr 486 |
. . . . . . . . 9
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑘 ∈ ℤ) |
| 12 | 11, 8 | zltp1led 12673 |
. . . . . . . 8
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 ↔ (𝑘 + 1) ≤ 𝑡)) |
| 13 | 12 | biimpd 232 |
. . . . . . 7
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → (𝑘 + 1) ≤ 𝑡)) |
| 14 | 8 | zred 12725 |
. . . . . . . . . 10
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑡 ∈ ℝ) |
| 15 | | elfzoel2 13713 |
. . . . . . . . . . . 12
⊢ (𝑘 ∈ (0..^𝑇) → 𝑇 ∈ ℤ) |
| 16 | 15 | adantr 486 |
. . . . . . . . . . 11
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑇 ∈ ℤ) |
| 17 | 16 | zred 12725 |
. . . . . . . . . 10
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑇 ∈ ℝ) |
| 18 | | 1red 11233 |
. . . . . . . . . 10
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 1 ∈
ℝ) |
| 19 | 14, 17, 18 | 3jca 1146 |
. . . . . . . . 9
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑡 ∈ ℝ ∧ 𝑇 ∈ ℝ ∧ 1 ∈
ℝ)) |
| 20 | | elfzop1le2 13728 |
. . . . . . . . . 10
⊢ (𝑡 ∈ (1..^(𝑇 + 1)) → (𝑡 + 1) ≤ (𝑇 + 1)) |
| 21 | 20 | adantl 487 |
. . . . . . . . 9
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑡 + 1) ≤ (𝑇 + 1)) |
| 22 | | leadd1 11706 |
. . . . . . . . . 10
⊢ ((𝑡 ∈ ℝ ∧ 𝑇 ∈ ℝ ∧ 1 ∈
ℝ) → (𝑡 ≤
𝑇 ↔ (𝑡 + 1) ≤ (𝑇 + 1))) |
| 23 | 22 | biimprd 251 |
. . . . . . . . 9
⊢ ((𝑡 ∈ ℝ ∧ 𝑇 ∈ ℝ ∧ 1 ∈
ℝ) → ((𝑡 + 1)
≤ (𝑇 + 1) → 𝑡 ≤ 𝑇)) |
| 24 | 19, 21, 23 | sylc 66 |
. . . . . . . 8
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → 𝑡 ≤ 𝑇) |
| 25 | 24 | a1d 26 |
. . . . . . 7
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → 𝑡 ≤ 𝑇)) |
| 26 | 9, 13, 25 | 3jcad 1147 |
. . . . . 6
⊢ ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → (𝑡 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑡 ∧ 𝑡 ≤ 𝑇))) |
| 27 | 26 | adantl 487 |
. . . . 5
⊢ ((𝜑 ∧ (𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1)))) → (𝑘 < 𝑡 → (𝑡 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑡 ∧ 𝑡 ≤ 𝑇))) |
| 28 | 6, 27 | jcad 522 |
. . . 4
⊢ ((𝜑 ∧ (𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1)))) → (𝑘 < 𝑡 → ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑡 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑡 ∧ 𝑡 ≤ 𝑇)))) |
| 29 | 28 | ex 418 |
. . 3
⊢ (𝜑 → ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑡 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑡 ∧ 𝑡 ≤ 𝑇))))) |
| 30 | | fveq2 6878 |
. . . . 5
⊢ (𝑎 = (𝑘 + 1) → (𝐵‘𝑎) = (𝐵‘(𝑘 + 1))) |
| 31 | 30 | breq2d 5115 |
. . . 4
⊢ (𝑎 = (𝑘 + 1) → ((𝐵‘𝑘)𝑅(𝐵‘𝑎) ↔ (𝐵‘𝑘)𝑅(𝐵‘(𝑘 + 1)))) |
| 32 | | fveq2 6878 |
. . . . 5
⊢ (𝑎 = 𝑏 → (𝐵‘𝑎) = (𝐵‘𝑏)) |
| 33 | 32 | breq2d 5115 |
. . . 4
⊢ (𝑎 = 𝑏 → ((𝐵‘𝑘)𝑅(𝐵‘𝑎) ↔ (𝐵‘𝑘)𝑅(𝐵‘𝑏))) |
| 34 | | fveq2 6878 |
. . . . 5
⊢ (𝑎 = (𝑏 + 1) → (𝐵‘𝑎) = (𝐵‘(𝑏 + 1))) |
| 35 | 34 | breq2d 5115 |
. . . 4
⊢ (𝑎 = (𝑏 + 1) → ((𝐵‘𝑘)𝑅(𝐵‘𝑎) ↔ (𝐵‘𝑘)𝑅(𝐵‘(𝑏 + 1)))) |
| 36 | | fveq2 6878 |
. . . . 5
⊢ (𝑎 = 𝑡 → (𝐵‘𝑎) = (𝐵‘𝑡)) |
| 37 | 36 | breq2d 5115 |
. . . 4
⊢ (𝑎 = 𝑡 → ((𝐵‘𝑘)𝑅(𝐵‘𝑎) ↔ (𝐵‘𝑘)𝑅(𝐵‘𝑡))) |
| 38 | | ormkglobd.3 |
. . . . 5
⊢ (𝜑 → ∀𝑘 ∈ (0..^𝑇)(𝐵‘𝑘)𝑅(𝐵‘(𝑘 + 1))) |
| 39 | 38 | r19.21bi 3254 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → (𝐵‘𝑘)𝑅(𝐵‘(𝑘 + 1))) |
| 40 | | simp1l 1216 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝜑) |
| 41 | | ormkglobd.1 |
. . . . . 6
⊢ (𝜑 → 𝑅 Or 𝑆) |
| 42 | 40, 41 | syl 18 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑅 Or 𝑆) |
| 43 | | elfzofz 13731 |
. . . . . . . 8
⊢ (𝑘 ∈ (0..^𝑇) → 𝑘 ∈ (0...𝑇)) |
| 44 | | fzval3 13790 |
. . . . . . . . 9
⊢ (𝑇 ∈ ℤ →
(0...𝑇) = (0..^(𝑇 + 1))) |
| 45 | 15, 44 | syl 18 |
. . . . . . . 8
⊢ (𝑘 ∈ (0..^𝑇) → (0...𝑇) = (0..^(𝑇 + 1))) |
| 46 | 43, 45 | eleqtrd 2862 |
. . . . . . 7
⊢ (𝑘 ∈ (0..^𝑇) → 𝑘 ∈ (0..^(𝑇 + 1))) |
| 47 | | ormkglobd.2 |
. . . . . . . 8
⊢ (𝜑 → ∀𝑘 ∈ (0..^(𝑇 + 1))(𝐵‘𝑘) ∈ 𝑆) |
| 48 | 47 | r19.21bi 3254 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^(𝑇 + 1))) → (𝐵‘𝑘) ∈ 𝑆) |
| 49 | 46, 48 | sylan2 605 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → (𝐵‘𝑘) ∈ 𝑆) |
| 50 | 49 | 3ad2ant1 1151 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘𝑘) ∈ 𝑆) |
| 51 | | simp21 1225 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 ∈ ℤ) |
| 52 | | 0red 11235 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 0 ∈ ℝ) |
| 53 | | simp1r 1217 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑘 ∈ (0..^𝑇)) |
| 54 | 53, 10 | syl 18 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑘 ∈ ℤ) |
| 55 | 54 | zred 12725 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑘 ∈ ℝ) |
| 56 | | 1red 11233 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 1 ∈ ℝ) |
| 57 | 55, 56 | readdcld 11262 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑘 + 1) ∈ ℝ) |
| 58 | 51 | zred 12725 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 ∈ ℝ) |
| 59 | | elfzole1 13723 |
. . . . . . . . . . 11
⊢ (𝑘 ∈ (0..^𝑇) → 0 ≤ 𝑘) |
| 60 | 53, 59 | syl 18 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 0 ≤ 𝑘) |
| 61 | | 0le1 11761 |
. . . . . . . . . . 11
⊢ 0 ≤
1 |
| 62 | 61 | a1i 11 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 0 ≤ 1) |
| 63 | 55, 56, 60, 62 | addge0d 11814 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 0 ≤ (𝑘 + 1)) |
| 64 | | simp22 1226 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑘 + 1) ≤ 𝑏) |
| 65 | 52, 57, 58, 63, 64 | letrd 11391 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 0 ≤ 𝑏) |
| 66 | | elnn0z 12628 |
. . . . . . . 8
⊢ (𝑏 ∈ ℕ0
↔ (𝑏 ∈ ℤ
∧ 0 ≤ 𝑏)) |
| 67 | 51, 65, 66 | sylanbrc 595 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 ∈ ℕ0) |
| 68 | 53, 15 | syl 18 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑇 ∈ ℤ) |
| 69 | 68 | peano2zd 12728 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑇 + 1) ∈ ℤ) |
| 70 | 68 | zred 12725 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑇 ∈ ℝ) |
| 71 | 70, 56 | readdcld 11262 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑇 + 1) ∈ ℝ) |
| 72 | | simp23 1227 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 < 𝑇) |
| 73 | 70 | ltp1d 12169 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑇 < (𝑇 + 1)) |
| 74 | 58, 70, 71, 72, 73 | lttrd 11395 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 < (𝑇 + 1)) |
| 75 | | elfzo0z 13757 |
. . . . . . 7
⊢ (𝑏 ∈ (0..^(𝑇 + 1)) ↔ (𝑏 ∈ ℕ0 ∧ (𝑇 + 1) ∈ ℤ ∧ 𝑏 < (𝑇 + 1))) |
| 76 | 67, 69, 74, 75 | syl3anbrc 1362 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 ∈ (0..^(𝑇 + 1))) |
| 77 | | eleq1w 2843 |
. . . . . . . . 9
⊢ (𝑘 = 𝑏 → (𝑘 ∈ (0..^(𝑇 + 1)) ↔ 𝑏 ∈ (0..^(𝑇 + 1)))) |
| 78 | 77 | anbi2d 642 |
. . . . . . . 8
⊢ (𝑘 = 𝑏 → ((𝜑 ∧ 𝑘 ∈ (0..^(𝑇 + 1))) ↔ (𝜑 ∧ 𝑏 ∈ (0..^(𝑇 + 1))))) |
| 79 | | fveq2 6878 |
. . . . . . . . . 10
⊢ (𝑘 = 𝑏 → (𝐵‘𝑘) = (𝐵‘𝑏)) |
| 80 | 79 | eleq1d 2845 |
. . . . . . . . 9
⊢ (𝑘 = 𝑏 → ((𝐵‘𝑘) ∈ 𝑆 ↔ (𝐵‘𝑏) ∈ 𝑆)) |
| 81 | 48, 80 | imbitrid 247 |
. . . . . . . 8
⊢ (𝑘 = 𝑏 → ((𝜑 ∧ 𝑘 ∈ (0..^(𝑇 + 1))) → (𝐵‘𝑏) ∈ 𝑆)) |
| 82 | 78, 81 | sylbird 263 |
. . . . . . 7
⊢ (𝑘 = 𝑏 → ((𝜑 ∧ 𝑏 ∈ (0..^(𝑇 + 1))) → (𝐵‘𝑏) ∈ 𝑆)) |
| 83 | | ax6ev 2002 |
. . . . . . 7
⊢
∃𝑘 𝑘 = 𝑏 |
| 84 | 82, 83 | exlimiiv 1964 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑏 ∈ (0..^(𝑇 + 1))) → (𝐵‘𝑏) ∈ 𝑆) |
| 85 | 40, 76, 84 | syl2anc 596 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘𝑏) ∈ 𝑆) |
| 86 | | 1nn0 12544 |
. . . . . . . . 9
⊢ 1 ∈
ℕ0 |
| 87 | 86 | a1i 11 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 1 ∈
ℕ0) |
| 88 | 67, 87 | nn0addcld 12593 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑏 + 1) ∈
ℕ0) |
| 89 | 58, 70, 56, 72 | ltadd1dd 11849 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑏 + 1) < (𝑇 + 1)) |
| 90 | | elfzo0z 13757 |
. . . . . . 7
⊢ ((𝑏 + 1) ∈ (0..^(𝑇 + 1)) ↔ ((𝑏 + 1) ∈ ℕ0
∧ (𝑇 + 1) ∈
ℤ ∧ (𝑏 + 1) <
(𝑇 + 1))) |
| 91 | 88, 69, 89, 90 | syl3anbrc 1362 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝑏 + 1) ∈ (0..^(𝑇 + 1))) |
| 92 | | ovex 7446 |
. . . . . . 7
⊢ (𝑏 + 1) ∈ V |
| 93 | | eleq1 2848 |
. . . . . . . . 9
⊢ (𝑘 = (𝑏 + 1) → (𝑘 ∈ (0..^(𝑇 + 1)) ↔ (𝑏 + 1) ∈ (0..^(𝑇 + 1)))) |
| 94 | 93 | anbi2d 642 |
. . . . . . . 8
⊢ (𝑘 = (𝑏 + 1) → ((𝜑 ∧ 𝑘 ∈ (0..^(𝑇 + 1))) ↔ (𝜑 ∧ (𝑏 + 1) ∈ (0..^(𝑇 + 1))))) |
| 95 | | fveq2 6878 |
. . . . . . . . . 10
⊢ (𝑘 = (𝑏 + 1) → (𝐵‘𝑘) = (𝐵‘(𝑏 + 1))) |
| 96 | 95 | eleq1d 2845 |
. . . . . . . . 9
⊢ (𝑘 = (𝑏 + 1) → ((𝐵‘𝑘) ∈ 𝑆 ↔ (𝐵‘(𝑏 + 1)) ∈ 𝑆)) |
| 97 | 48, 96 | imbitrid 247 |
. . . . . . . 8
⊢ (𝑘 = (𝑏 + 1) → ((𝜑 ∧ 𝑘 ∈ (0..^(𝑇 + 1))) → (𝐵‘(𝑏 + 1)) ∈ 𝑆)) |
| 98 | 94, 97 | sylbird 263 |
. . . . . . 7
⊢ (𝑘 = (𝑏 + 1) → ((𝜑 ∧ (𝑏 + 1) ∈ (0..^(𝑇 + 1))) → (𝐵‘(𝑏 + 1)) ∈ 𝑆)) |
| 99 | 92, 98 | vtocle 3518 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑏 + 1) ∈ (0..^(𝑇 + 1))) → (𝐵‘(𝑏 + 1)) ∈ 𝑆) |
| 100 | 40, 91, 99 | syl2anc 596 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘(𝑏 + 1)) ∈ 𝑆) |
| 101 | | simp3 1156 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘𝑘)𝑅(𝐵‘𝑏)) |
| 102 | | elfzo0z 13757 |
. . . . . . 7
⊢ (𝑏 ∈ (0..^𝑇) ↔ (𝑏 ∈ ℕ0 ∧ 𝑇 ∈ ℤ ∧ 𝑏 < 𝑇)) |
| 103 | 67, 68, 72, 102 | syl3anbrc 1362 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → 𝑏 ∈ (0..^𝑇)) |
| 104 | | eleq1w 2843 |
. . . . . . . . 9
⊢ (𝑏 = 𝑘 → (𝑏 ∈ (0..^𝑇) ↔ 𝑘 ∈ (0..^𝑇))) |
| 105 | 104 | anbi2d 642 |
. . . . . . . 8
⊢ (𝑏 = 𝑘 → ((𝜑 ∧ 𝑏 ∈ (0..^𝑇)) ↔ (𝜑 ∧ 𝑘 ∈ (0..^𝑇)))) |
| 106 | | fveq2 6878 |
. . . . . . . . . 10
⊢ (𝑏 = 𝑘 → (𝐵‘𝑏) = (𝐵‘𝑘)) |
| 107 | | fvoveq1 7436 |
. . . . . . . . . 10
⊢ (𝑏 = 𝑘 → (𝐵‘(𝑏 + 1)) = (𝐵‘(𝑘 + 1))) |
| 108 | 106, 107 | breq12d 5116 |
. . . . . . . . 9
⊢ (𝑏 = 𝑘 → ((𝐵‘𝑏)𝑅(𝐵‘(𝑏 + 1)) ↔ (𝐵‘𝑘)𝑅(𝐵‘(𝑘 + 1)))) |
| 109 | 39, 108 | imbitrrid 249 |
. . . . . . . 8
⊢ (𝑏 = 𝑘 → ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → (𝐵‘𝑏)𝑅(𝐵‘(𝑏 + 1)))) |
| 110 | 105, 109 | sylbid 243 |
. . . . . . 7
⊢ (𝑏 = 𝑘 → ((𝜑 ∧ 𝑏 ∈ (0..^𝑇)) → (𝐵‘𝑏)𝑅(𝐵‘(𝑏 + 1)))) |
| 111 | | ax6evr 2048 |
. . . . . . 7
⊢
∃𝑘 𝑏 = 𝑘 |
| 112 | 110, 111 | exlimiiv 1964 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑏 ∈ (0..^𝑇)) → (𝐵‘𝑏)𝑅(𝐵‘(𝑏 + 1))) |
| 113 | 40, 103, 112 | syl2anc 596 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘𝑏)𝑅(𝐵‘(𝑏 + 1))) |
| 114 | 42, 50, 85, 100, 101, 113 | sotrd 5589 |
. . . 4
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑏 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑏 ∧ 𝑏 < 𝑇) ∧ (𝐵‘𝑘)𝑅(𝐵‘𝑏)) → (𝐵‘𝑘)𝑅(𝐵‘(𝑏 + 1))) |
| 115 | 10 | adantl 487 |
. . . . 5
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → 𝑘 ∈ ℤ) |
| 116 | 115 | peano2zd 12728 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → (𝑘 + 1) ∈ ℤ) |
| 117 | 15 | adantl 487 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → 𝑇 ∈ ℤ) |
| 118 | | elfzop1le2 13728 |
. . . . 5
⊢ (𝑘 ∈ (0..^𝑇) → (𝑘 + 1) ≤ 𝑇) |
| 119 | 118 | adantl 487 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) → (𝑘 + 1) ≤ 𝑇) |
| 120 | 31, 33, 35, 37, 39, 114, 116, 117, 119 | fzindd 12723 |
. . 3
⊢ (((𝜑 ∧ 𝑘 ∈ (0..^𝑇)) ∧ (𝑡 ∈ ℤ ∧ (𝑘 + 1) ≤ 𝑡 ∧ 𝑡 ≤ 𝑇)) → (𝐵‘𝑘)𝑅(𝐵‘𝑡)) |
| 121 | 29, 120 | syl8 77 |
. 2
⊢ (𝜑 → ((𝑘 ∈ (0..^𝑇) ∧ 𝑡 ∈ (1..^(𝑇 + 1))) → (𝑘 < 𝑡 → (𝐵‘𝑘)𝑅(𝐵‘𝑡)))) |
| 122 | 121 | ralrimivv 3203 |
1
⊢ (𝜑 → ∀𝑘 ∈ (0..^𝑇)∀𝑡 ∈ (1..^(𝑇 + 1))(𝑘 < 𝑡 → (𝐵‘𝑘)𝑅(𝐵‘𝑡))) |