| Step | Hyp | Ref
| Expression |
| 1 | | smuval2.m |
. 2
⊢ (𝜑 → 𝑀 ∈ (ℤ≥‘(𝑁 + 1))) |
| 2 | | fveq2 6881 |
. . . . . 6
⊢ (𝑥 = (𝑁 + 1) → (𝑃‘𝑥) = (𝑃‘(𝑁 + 1))) |
| 3 | 2 | eleq2d 2821 |
. . . . 5
⊢ (𝑥 = (𝑁 + 1) → (𝑁 ∈ (𝑃‘𝑥) ↔ 𝑁 ∈ (𝑃‘(𝑁 + 1)))) |
| 4 | 3 | bibi2d 342 |
. . . 4
⊢ (𝑥 = (𝑁 + 1) → ((𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑥)) ↔ (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘(𝑁 + 1))))) |
| 5 | 4 | imbi2d 340 |
. . 3
⊢ (𝑥 = (𝑁 + 1) → ((𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑥))) ↔ (𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘(𝑁 + 1)))))) |
| 6 | | fveq2 6881 |
. . . . . 6
⊢ (𝑥 = 𝑘 → (𝑃‘𝑥) = (𝑃‘𝑘)) |
| 7 | 6 | eleq2d 2821 |
. . . . 5
⊢ (𝑥 = 𝑘 → (𝑁 ∈ (𝑃‘𝑥) ↔ 𝑁 ∈ (𝑃‘𝑘))) |
| 8 | 7 | bibi2d 342 |
. . . 4
⊢ (𝑥 = 𝑘 → ((𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑥)) ↔ (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑘)))) |
| 9 | 8 | imbi2d 340 |
. . 3
⊢ (𝑥 = 𝑘 → ((𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑥))) ↔ (𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑘))))) |
| 10 | | fveq2 6881 |
. . . . . 6
⊢ (𝑥 = (𝑘 + 1) → (𝑃‘𝑥) = (𝑃‘(𝑘 + 1))) |
| 11 | 10 | eleq2d 2821 |
. . . . 5
⊢ (𝑥 = (𝑘 + 1) → (𝑁 ∈ (𝑃‘𝑥) ↔ 𝑁 ∈ (𝑃‘(𝑘 + 1)))) |
| 12 | 11 | bibi2d 342 |
. . . 4
⊢ (𝑥 = (𝑘 + 1) → ((𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑥)) ↔ (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘(𝑘 + 1))))) |
| 13 | 12 | imbi2d 340 |
. . 3
⊢ (𝑥 = (𝑘 + 1) → ((𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑥))) ↔ (𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘(𝑘 + 1)))))) |
| 14 | | fveq2 6881 |
. . . . . 6
⊢ (𝑥 = 𝑀 → (𝑃‘𝑥) = (𝑃‘𝑀)) |
| 15 | 14 | eleq2d 2821 |
. . . . 5
⊢ (𝑥 = 𝑀 → (𝑁 ∈ (𝑃‘𝑥) ↔ 𝑁 ∈ (𝑃‘𝑀))) |
| 16 | 15 | bibi2d 342 |
. . . 4
⊢ (𝑥 = 𝑀 → ((𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑥)) ↔ (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑀)))) |
| 17 | 16 | imbi2d 340 |
. . 3
⊢ (𝑥 = 𝑀 → ((𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑥))) ↔ (𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑀))))) |
| 18 | | smuval.a |
. . . 4
⊢ (𝜑 → 𝐴 ⊆
ℕ0) |
| 19 | | smuval.b |
. . . 4
⊢ (𝜑 → 𝐵 ⊆
ℕ0) |
| 20 | | smuval.p |
. . . 4
⊢ 𝑃 = seq0((𝑝 ∈ 𝒫 ℕ0, 𝑚 ∈ ℕ0
↦ (𝑝 sadd {𝑛 ∈ ℕ0
∣ (𝑚 ∈ 𝐴 ∧ (𝑛 − 𝑚) ∈ 𝐵)})), (𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1)))) |
| 21 | | smuval.n |
. . . 4
⊢ (𝜑 → 𝑁 ∈
ℕ0) |
| 22 | 18, 19, 20, 21 | smuval 16505 |
. . 3
⊢ (𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘(𝑁 + 1)))) |
| 23 | 18 | adantr 480 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → 𝐴 ⊆
ℕ0) |
| 24 | 19 | adantr 480 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → 𝐵 ⊆
ℕ0) |
| 25 | | peano2nn0 12546 |
. . . . . . . . . . . 12
⊢ (𝑁 ∈ ℕ0
→ (𝑁 + 1) ∈
ℕ0) |
| 26 | 21, 25 | syl 17 |
. . . . . . . . . . 11
⊢ (𝜑 → (𝑁 + 1) ∈
ℕ0) |
| 27 | | eluznn0 12938 |
. . . . . . . . . . 11
⊢ (((𝑁 + 1) ∈ ℕ0
∧ 𝑘 ∈
(ℤ≥‘(𝑁 + 1))) → 𝑘 ∈ ℕ0) |
| 28 | 26, 27 | sylan 580 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → 𝑘 ∈
ℕ0) |
| 29 | 23, 24, 20, 28 | smupp1 16504 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (𝑃‘(𝑘 + 1)) = ((𝑃‘𝑘) sadd {𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)})) |
| 30 | 29 | eleq2d 2821 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (𝑁 ∈ (𝑃‘(𝑘 + 1)) ↔ 𝑁 ∈ ((𝑃‘𝑘) sadd {𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)}))) |
| 31 | 23, 24, 20 | smupf 16502 |
. . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → 𝑃:ℕ0⟶𝒫
ℕ0) |
| 32 | 31, 28 | ffvelcdmd 7080 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (𝑃‘𝑘) ∈ 𝒫
ℕ0) |
| 33 | 32 | elpwid 4589 |
. . . . . . . . . . . . 13
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (𝑃‘𝑘) ⊆
ℕ0) |
| 34 | | ssrab2 4060 |
. . . . . . . . . . . . . 14
⊢ {𝑛 ∈ ℕ0
∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} ⊆
ℕ0 |
| 35 | 34 | a1i 11 |
. . . . . . . . . . . . 13
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → {𝑛 ∈ ℕ0
∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} ⊆
ℕ0) |
| 36 | 26 | adantr 480 |
. . . . . . . . . . . . 13
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (𝑁 + 1) ∈
ℕ0) |
| 37 | 33, 35, 36 | sadeq 16496 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (((𝑃‘𝑘) sadd {𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)}) ∩ (0..^(𝑁 + 1))) = ((((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) sadd ({𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} ∩ (0..^(𝑁 + 1)))) ∩ (0..^(𝑁 + 1)))) |
| 38 | | inrab2 4297 |
. . . . . . . . . . . . . . . . 17
⊢ ({𝑛 ∈ ℕ0
∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} ∩ (0..^(𝑁 + 1))) = {𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1))) ∣
(𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} |
| 39 | | simpr 484 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
𝑛 ∈
(ℕ0 ∩ (0..^(𝑁 + 1)))) |
| 40 | 39 | elin1d 4184 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
𝑛 ∈
ℕ0) |
| 41 | 40 | nn0red 12568 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
𝑛 ∈
ℝ) |
| 42 | 21 | adantr 480 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → 𝑁 ∈
ℕ0) |
| 43 | 42 | adantr 480 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
𝑁 ∈
ℕ0) |
| 44 | 43 | nn0red 12568 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
𝑁 ∈
ℝ) |
| 45 | | 1red 11241 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) → 1
∈ ℝ) |
| 46 | 44, 45 | readdcld 11269 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
(𝑁 + 1) ∈
ℝ) |
| 47 | 28 | adantr 480 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
𝑘 ∈
ℕ0) |
| 48 | 47 | nn0red 12568 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
𝑘 ∈
ℝ) |
| 49 | 39 | elin2d 4185 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
𝑛 ∈ (0..^(𝑁 + 1))) |
| 50 | | elfzolt2 13690 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (𝑛 ∈ (0..^(𝑁 + 1)) → 𝑛 < (𝑁 + 1)) |
| 51 | 49, 50 | syl 17 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
𝑛 < (𝑁 + 1)) |
| 52 | | eluzle 12870 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (𝑘 ∈
(ℤ≥‘(𝑁 + 1)) → (𝑁 + 1) ≤ 𝑘) |
| 53 | 52 | ad2antlr 727 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
(𝑁 + 1) ≤ 𝑘) |
| 54 | 41, 46, 48, 51, 53 | ltletrd 11400 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
𝑛 < 𝑘) |
| 55 | 41, 48 | ltnled 11387 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
(𝑛 < 𝑘 ↔ ¬ 𝑘 ≤ 𝑛)) |
| 56 | 54, 55 | mpbid 232 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
¬ 𝑘 ≤ 𝑛) |
| 57 | 24 | adantr 480 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
𝐵 ⊆
ℕ0) |
| 58 | 57 | sseld 3962 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
((𝑛 − 𝑘) ∈ 𝐵 → (𝑛 − 𝑘) ∈
ℕ0)) |
| 59 | | nn0ge0 12531 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ ((𝑛 − 𝑘) ∈ ℕ0 → 0 ≤
(𝑛 − 𝑘)) |
| 60 | 58, 59 | syl6 35 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
((𝑛 − 𝑘) ∈ 𝐵 → 0 ≤ (𝑛 − 𝑘))) |
| 61 | 41, 48 | subge0d 11832 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) → (0
≤ (𝑛 − 𝑘) ↔ 𝑘 ≤ 𝑛)) |
| 62 | 60, 61 | sylibd 239 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
((𝑛 − 𝑘) ∈ 𝐵 → 𝑘 ≤ 𝑛)) |
| 63 | 62 | adantld 490 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
((𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵) → 𝑘 ≤ 𝑛)) |
| 64 | 56, 63 | mtod 198 |
. . . . . . . . . . . . . . . . . . 19
⊢ (((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) ∧ 𝑛 ∈ (ℕ0 ∩
(0..^(𝑁 + 1)))) →
¬ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)) |
| 65 | 64 | ralrimiva 3133 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → ∀𝑛 ∈ (ℕ0
∩ (0..^(𝑁 + 1))) ¬
(𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)) |
| 66 | | rabeq0 4368 |
. . . . . . . . . . . . . . . . . 18
⊢ ({𝑛 ∈ (ℕ0
∩ (0..^(𝑁 + 1)))
∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} = ∅ ↔ ∀𝑛 ∈ (ℕ0
∩ (0..^(𝑁 + 1))) ¬
(𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)) |
| 67 | 65, 66 | sylibr 234 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → {𝑛 ∈ (ℕ0
∩ (0..^(𝑁 + 1)))
∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} = ∅) |
| 68 | 38, 67 | eqtrid 2783 |
. . . . . . . . . . . . . . . 16
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → ({𝑛 ∈ ℕ0
∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} ∩ (0..^(𝑁 + 1))) = ∅) |
| 69 | 68 | oveq2d 7426 |
. . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) sadd ({𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} ∩ (0..^(𝑁 + 1)))) = (((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) sadd ∅)) |
| 70 | | inss1 4217 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) ⊆ (𝑃‘𝑘) |
| 71 | 70, 33 | sstrid 3975 |
. . . . . . . . . . . . . . . 16
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → ((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) ⊆
ℕ0) |
| 72 | | sadid1 16492 |
. . . . . . . . . . . . . . . 16
⊢ (((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) ⊆ ℕ0 →
(((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) sadd ∅) = ((𝑃‘𝑘) ∩ (0..^(𝑁 + 1)))) |
| 73 | 71, 72 | syl 17 |
. . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) sadd ∅) = ((𝑃‘𝑘) ∩ (0..^(𝑁 + 1)))) |
| 74 | 69, 73 | eqtrd 2771 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) sadd ({𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} ∩ (0..^(𝑁 + 1)))) = ((𝑃‘𝑘) ∩ (0..^(𝑁 + 1)))) |
| 75 | 74 | ineq1d 4199 |
. . . . . . . . . . . . 13
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → ((((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) sadd ({𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} ∩ (0..^(𝑁 + 1)))) ∩ (0..^(𝑁 + 1))) = (((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) ∩ (0..^(𝑁 + 1)))) |
| 76 | | inass 4208 |
. . . . . . . . . . . . . 14
⊢ (((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) ∩ (0..^(𝑁 + 1))) = ((𝑃‘𝑘) ∩ ((0..^(𝑁 + 1)) ∩ (0..^(𝑁 + 1)))) |
| 77 | | inidm 4207 |
. . . . . . . . . . . . . . 15
⊢
((0..^(𝑁 + 1)) ∩
(0..^(𝑁 + 1))) =
(0..^(𝑁 +
1)) |
| 78 | 77 | ineq2i 4197 |
. . . . . . . . . . . . . 14
⊢ ((𝑃‘𝑘) ∩ ((0..^(𝑁 + 1)) ∩ (0..^(𝑁 + 1)))) = ((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) |
| 79 | 76, 78 | eqtri 2759 |
. . . . . . . . . . . . 13
⊢ (((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) ∩ (0..^(𝑁 + 1))) = ((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) |
| 80 | 75, 79 | eqtrdi 2787 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → ((((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) sadd ({𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)} ∩ (0..^(𝑁 + 1)))) ∩ (0..^(𝑁 + 1))) = ((𝑃‘𝑘) ∩ (0..^(𝑁 + 1)))) |
| 81 | 37, 80 | eqtrd 2771 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (((𝑃‘𝑘) sadd {𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)}) ∩ (0..^(𝑁 + 1))) = ((𝑃‘𝑘) ∩ (0..^(𝑁 + 1)))) |
| 82 | 81 | eleq2d 2821 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (𝑁 ∈ (((𝑃‘𝑘) sadd {𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)}) ∩ (0..^(𝑁 + 1))) ↔ 𝑁 ∈ ((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))))) |
| 83 | | elin 3947 |
. . . . . . . . . 10
⊢ (𝑁 ∈ (((𝑃‘𝑘) sadd {𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)}) ∩ (0..^(𝑁 + 1))) ↔ (𝑁 ∈ ((𝑃‘𝑘) sadd {𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)}) ∧ 𝑁 ∈ (0..^(𝑁 + 1)))) |
| 84 | | elin 3947 |
. . . . . . . . . 10
⊢ (𝑁 ∈ ((𝑃‘𝑘) ∩ (0..^(𝑁 + 1))) ↔ (𝑁 ∈ (𝑃‘𝑘) ∧ 𝑁 ∈ (0..^(𝑁 + 1)))) |
| 85 | 82, 83, 84 | 3bitr3g 313 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → ((𝑁 ∈ ((𝑃‘𝑘) sadd {𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)}) ∧ 𝑁 ∈ (0..^(𝑁 + 1))) ↔ (𝑁 ∈ (𝑃‘𝑘) ∧ 𝑁 ∈ (0..^(𝑁 + 1))))) |
| 86 | | nn0uz 12899 |
. . . . . . . . . . . . 13
⊢
ℕ0 = (ℤ≥‘0) |
| 87 | 42, 86 | eleqtrdi 2845 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → 𝑁 ∈
(ℤ≥‘0)) |
| 88 | | eluzfz2 13554 |
. . . . . . . . . . . 12
⊢ (𝑁 ∈
(ℤ≥‘0) → 𝑁 ∈ (0...𝑁)) |
| 89 | 87, 88 | syl 17 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → 𝑁 ∈ (0...𝑁)) |
| 90 | 42 | nn0zd 12619 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → 𝑁 ∈ ℤ) |
| 91 | | fzval3 13755 |
. . . . . . . . . . . 12
⊢ (𝑁 ∈ ℤ →
(0...𝑁) = (0..^(𝑁 + 1))) |
| 92 | 90, 91 | syl 17 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (0...𝑁) = (0..^(𝑁 + 1))) |
| 93 | 89, 92 | eleqtrd 2837 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → 𝑁 ∈ (0..^(𝑁 + 1))) |
| 94 | 93 | biantrud 531 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (𝑁 ∈ ((𝑃‘𝑘) sadd {𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)}) ↔ (𝑁 ∈ ((𝑃‘𝑘) sadd {𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)}) ∧ 𝑁 ∈ (0..^(𝑁 + 1))))) |
| 95 | 93 | biantrud 531 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (𝑁 ∈ (𝑃‘𝑘) ↔ (𝑁 ∈ (𝑃‘𝑘) ∧ 𝑁 ∈ (0..^(𝑁 + 1))))) |
| 96 | 85, 94, 95 | 3bitr4d 311 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (𝑁 ∈ ((𝑃‘𝑘) sadd {𝑛 ∈ ℕ0 ∣ (𝑘 ∈ 𝐴 ∧ (𝑛 − 𝑘) ∈ 𝐵)}) ↔ 𝑁 ∈ (𝑃‘𝑘))) |
| 97 | 30, 96 | bitrd 279 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → (𝑁 ∈ (𝑃‘(𝑘 + 1)) ↔ 𝑁 ∈ (𝑃‘𝑘))) |
| 98 | 97 | bibi2d 342 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → ((𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘(𝑘 + 1))) ↔ (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑘)))) |
| 99 | 98 | biimprd 248 |
. . . . 5
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘(𝑁 + 1))) → ((𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑘)) → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘(𝑘 + 1))))) |
| 100 | 99 | expcom 413 |
. . . 4
⊢ (𝑘 ∈
(ℤ≥‘(𝑁 + 1)) → (𝜑 → ((𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑘)) → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘(𝑘 + 1)))))) |
| 101 | 100 | a2d 29 |
. . 3
⊢ (𝑘 ∈
(ℤ≥‘(𝑁 + 1)) → ((𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑘))) → (𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘(𝑘 + 1)))))) |
| 102 | 5, 9, 13, 17, 22, 101 | uzind4i 12931 |
. 2
⊢ (𝑀 ∈
(ℤ≥‘(𝑁 + 1)) → (𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑀)))) |
| 103 | 1, 102 | mpcom 38 |
1
⊢ (𝜑 → (𝑁 ∈ (𝐴 smul 𝐵) ↔ 𝑁 ∈ (𝑃‘𝑀))) |