| Step | Hyp | Ref
| Expression |
| 1 | | simprl 529 |
. . 3
⊢ ((𝑃 ∈ ℙ ∧ (𝑁 ∈ ℚ ∧ 𝑁 ≠ 0)) → 𝑁 ∈
ℚ) |
| 2 | | elq 9696 |
. . 3
⊢ (𝑁 ∈ ℚ ↔
∃𝑥 ∈ ℤ
∃𝑦 ∈ ℕ
𝑁 = (𝑥 / 𝑦)) |
| 3 | 1, 2 | sylib 122 |
. 2
⊢ ((𝑃 ∈ ℙ ∧ (𝑁 ∈ ℚ ∧ 𝑁 ≠ 0)) → ∃𝑥 ∈ ℤ ∃𝑦 ∈ ℕ 𝑁 = (𝑥 / 𝑦)) |
| 4 | | nncn 8998 |
. . . . . . . . . . . 12
⊢ (𝑦 ∈ ℕ → 𝑦 ∈
ℂ) |
| 5 | | nnap0 9019 |
. . . . . . . . . . . 12
⊢ (𝑦 ∈ ℕ → 𝑦 # 0) |
| 6 | 4, 5 | div0apd 8814 |
. . . . . . . . . . 11
⊢ (𝑦 ∈ ℕ → (0 /
𝑦) = 0) |
| 7 | 6 | ad2antll 491 |
. . . . . . . . . 10
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑦 ∈ ℕ)) → (0 /
𝑦) = 0) |
| 8 | | oveq1 5929 |
. . . . . . . . . . 11
⊢ (𝑥 = 0 → (𝑥 / 𝑦) = (0 / 𝑦)) |
| 9 | 8 | eqeq1d 2205 |
. . . . . . . . . 10
⊢ (𝑥 = 0 → ((𝑥 / 𝑦) = 0 ↔ (0 / 𝑦) = 0)) |
| 10 | 7, 9 | syl5ibrcom 157 |
. . . . . . . . 9
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑦 ∈ ℕ)) → (𝑥 = 0 → (𝑥 / 𝑦) = 0)) |
| 11 | 10 | necon3d 2411 |
. . . . . . . 8
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑦 ∈ ℕ)) → ((𝑥 / 𝑦) ≠ 0 → 𝑥 ≠ 0)) |
| 12 | | an32 562 |
. . . . . . . . . 10
⊢ (((𝑥 ∈ ℤ ∧ 𝑦 ∈ ℕ) ∧ 𝑥 ≠ 0) ↔ ((𝑥 ∈ ℤ ∧ 𝑥 ≠ 0) ∧ 𝑦 ∈
ℕ)) |
| 13 | | pcdiv 12471 |
. . . . . . . . . . . 12
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑥 ≠ 0) ∧ 𝑦 ∈ ℕ) → (𝑃 pCnt (𝑥 / 𝑦)) = ((𝑃 pCnt 𝑥) − (𝑃 pCnt 𝑦))) |
| 14 | | pczcl 12467 |
. . . . . . . . . . . . . . 15
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑥 ≠ 0)) → (𝑃 pCnt 𝑥) ∈
ℕ0) |
| 15 | 14 | nn0zd 9446 |
. . . . . . . . . . . . . 14
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑥 ≠ 0)) → (𝑃 pCnt 𝑥) ∈ ℤ) |
| 16 | 15 | 3adant3 1019 |
. . . . . . . . . . . . 13
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑥 ≠ 0) ∧ 𝑦 ∈ ℕ) → (𝑃 pCnt 𝑥) ∈ ℤ) |
| 17 | | nnz 9345 |
. . . . . . . . . . . . . . . 16
⊢ (𝑦 ∈ ℕ → 𝑦 ∈
ℤ) |
| 18 | | nnne0 9018 |
. . . . . . . . . . . . . . . 16
⊢ (𝑦 ∈ ℕ → 𝑦 ≠ 0) |
| 19 | 17, 18 | jca 306 |
. . . . . . . . . . . . . . 15
⊢ (𝑦 ∈ ℕ → (𝑦 ∈ ℤ ∧ 𝑦 ≠ 0)) |
| 20 | | pczcl 12467 |
. . . . . . . . . . . . . . . 16
⊢ ((𝑃 ∈ ℙ ∧ (𝑦 ∈ ℤ ∧ 𝑦 ≠ 0)) → (𝑃 pCnt 𝑦) ∈
ℕ0) |
| 21 | 20 | nn0zd 9446 |
. . . . . . . . . . . . . . 15
⊢ ((𝑃 ∈ ℙ ∧ (𝑦 ∈ ℤ ∧ 𝑦 ≠ 0)) → (𝑃 pCnt 𝑦) ∈ ℤ) |
| 22 | 19, 21 | sylan2 286 |
. . . . . . . . . . . . . 14
⊢ ((𝑃 ∈ ℙ ∧ 𝑦 ∈ ℕ) → (𝑃 pCnt 𝑦) ∈ ℤ) |
| 23 | 22 | 3adant2 1018 |
. . . . . . . . . . . . 13
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑥 ≠ 0) ∧ 𝑦 ∈ ℕ) → (𝑃 pCnt 𝑦) ∈ ℤ) |
| 24 | 16, 23 | zsubcld 9453 |
. . . . . . . . . . . 12
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑥 ≠ 0) ∧ 𝑦 ∈ ℕ) → ((𝑃 pCnt 𝑥) − (𝑃 pCnt 𝑦)) ∈ ℤ) |
| 25 | 13, 24 | eqeltrd 2273 |
. . . . . . . . . . 11
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑥 ≠ 0) ∧ 𝑦 ∈ ℕ) → (𝑃 pCnt (𝑥 / 𝑦)) ∈ ℤ) |
| 26 | 25 | 3expb 1206 |
. . . . . . . . . 10
⊢ ((𝑃 ∈ ℙ ∧ ((𝑥 ∈ ℤ ∧ 𝑥 ≠ 0) ∧ 𝑦 ∈ ℕ)) → (𝑃 pCnt (𝑥 / 𝑦)) ∈ ℤ) |
| 27 | 12, 26 | sylan2b 287 |
. . . . . . . . 9
⊢ ((𝑃 ∈ ℙ ∧ ((𝑥 ∈ ℤ ∧ 𝑦 ∈ ℕ) ∧ 𝑥 ≠ 0)) → (𝑃 pCnt (𝑥 / 𝑦)) ∈ ℤ) |
| 28 | 27 | expr 375 |
. . . . . . . 8
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑦 ∈ ℕ)) → (𝑥 ≠ 0 → (𝑃 pCnt (𝑥 / 𝑦)) ∈ ℤ)) |
| 29 | 11, 28 | syld 45 |
. . . . . . 7
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑦 ∈ ℕ)) → ((𝑥 / 𝑦) ≠ 0 → (𝑃 pCnt (𝑥 / 𝑦)) ∈ ℤ)) |
| 30 | | neeq1 2380 |
. . . . . . . 8
⊢ (𝑁 = (𝑥 / 𝑦) → (𝑁 ≠ 0 ↔ (𝑥 / 𝑦) ≠ 0)) |
| 31 | | oveq2 5930 |
. . . . . . . . 9
⊢ (𝑁 = (𝑥 / 𝑦) → (𝑃 pCnt 𝑁) = (𝑃 pCnt (𝑥 / 𝑦))) |
| 32 | 31 | eleq1d 2265 |
. . . . . . . 8
⊢ (𝑁 = (𝑥 / 𝑦) → ((𝑃 pCnt 𝑁) ∈ ℤ ↔ (𝑃 pCnt (𝑥 / 𝑦)) ∈ ℤ)) |
| 33 | 30, 32 | imbi12d 234 |
. . . . . . 7
⊢ (𝑁 = (𝑥 / 𝑦) → ((𝑁 ≠ 0 → (𝑃 pCnt 𝑁) ∈ ℤ) ↔ ((𝑥 / 𝑦) ≠ 0 → (𝑃 pCnt (𝑥 / 𝑦)) ∈ ℤ))) |
| 34 | 29, 33 | syl5ibrcom 157 |
. . . . . 6
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑦 ∈ ℕ)) → (𝑁 = (𝑥 / 𝑦) → (𝑁 ≠ 0 → (𝑃 pCnt 𝑁) ∈ ℤ))) |
| 35 | 34 | com23 78 |
. . . . 5
⊢ ((𝑃 ∈ ℙ ∧ (𝑥 ∈ ℤ ∧ 𝑦 ∈ ℕ)) → (𝑁 ≠ 0 → (𝑁 = (𝑥 / 𝑦) → (𝑃 pCnt 𝑁) ∈ ℤ))) |
| 36 | 35 | impancom 260 |
. . . 4
⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ≠ 0) → ((𝑥 ∈ ℤ ∧ 𝑦 ∈ ℕ) → (𝑁 = (𝑥 / 𝑦) → (𝑃 pCnt 𝑁) ∈ ℤ))) |
| 37 | 36 | adantrl 478 |
. . 3
⊢ ((𝑃 ∈ ℙ ∧ (𝑁 ∈ ℚ ∧ 𝑁 ≠ 0)) → ((𝑥 ∈ ℤ ∧ 𝑦 ∈ ℕ) → (𝑁 = (𝑥 / 𝑦) → (𝑃 pCnt 𝑁) ∈ ℤ))) |
| 38 | 37 | rexlimdvv 2621 |
. 2
⊢ ((𝑃 ∈ ℙ ∧ (𝑁 ∈ ℚ ∧ 𝑁 ≠ 0)) → (∃𝑥 ∈ ℤ ∃𝑦 ∈ ℕ 𝑁 = (𝑥 / 𝑦) → (𝑃 pCnt 𝑁) ∈ ℤ)) |
| 39 | 3, 38 | mpd 13 |
1
⊢ ((𝑃 ∈ ℙ ∧ (𝑁 ∈ ℚ ∧ 𝑁 ≠ 0)) → (𝑃 pCnt 𝑁) ∈ ℤ) |