mumullem2 - Metamath Proof Explorer

	Metamath Proof Explorer		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > mumullem2		Structured version Visualization version GIF version

Theorem mumullem2 26681

Description: Lemma for mumul 26682. The product of two coprime squarefree numbers is squarefree. (Contributed by Mario Carneiro, 3-Oct-2014.)

**Assertion**
Ref	Expression
mumullem2	⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ ((μ‘𝐴) ≠ 0 ∧ (μ‘𝐵) ≠ 0)) → (μ‘(𝐴 · 𝐵)) ≠ 0)

Proof of Theorem mumullem2 Dummy variable 𝑝 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		r19.26 3111	. . . 4 ⊢ (∀𝑝 ∈ ℙ ((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1) ↔ (∀𝑝 ∈ ℙ (𝑝 pCnt 𝐴) ≤ 1 ∧ ∀𝑝 ∈ ℙ (𝑝 pCnt 𝐵) ≤ 1))
2		simpr 485	. . . . . . . . . 10 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → 𝑝 ∈ ℙ)
3		simpl1 1191	. . . . . . . . . 10 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → 𝐴 ∈ ℕ)
4	2, 3	pccld 16782	. . . . . . . . 9 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt 𝐴) ∈ ℕ₀)
5	4	nn0red 12532	. . . . . . . 8 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt 𝐴) ∈ ℝ)
6		simpl2 1192	. . . . . . . . . 10 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → 𝐵 ∈ ℕ)
7	2, 6	pccld 16782	. . . . . . . . 9 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt 𝐵) ∈ ℕ₀)
8	7	nn0red 12532	. . . . . . . 8 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt 𝐵) ∈ ℝ)
9		1red 11214	. . . . . . . 8 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → 1 ∈ ℝ)
10		le2add 11695	. . . . . . . 8 ⊢ ((((𝑝 pCnt 𝐴) ∈ ℝ ∧ (𝑝 pCnt 𝐵) ∈ ℝ) ∧ (1 ∈ ℝ ∧ 1 ∈ ℝ)) → (((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1) → ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ≤ (1 + 1)))
11	5, 8, 9, 9, 10	syl22anc 837	. . . . . . 7 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1) → ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ≤ (1 + 1)))
12		ax-1ne0 11178	. . . . . . . . . . . 12 ⊢ 1 ≠ 0
13		simpl3 1193	. . . . . . . . . . . . . . . 16 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝐴 gcd 𝐵) = 1)
14	13	oveq2d 7424	. . . . . . . . . . . . . . 15 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt (𝐴 gcd 𝐵)) = (𝑝 pCnt 1))
15	3	nnzd 12584	. . . . . . . . . . . . . . . 16 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → 𝐴 ∈ ℤ)
16	6	nnzd 12584	. . . . . . . . . . . . . . . 16 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → 𝐵 ∈ ℤ)
17		pcgcd 16810	. . . . . . . . . . . . . . . 16 ⊢ ((𝑝 ∈ ℙ ∧ 𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ) → (𝑝 pCnt (𝐴 gcd 𝐵)) = if((𝑝 pCnt 𝐴) ≤ (𝑝 pCnt 𝐵), (𝑝 pCnt 𝐴), (𝑝 pCnt 𝐵)))
18	2, 15, 16, 17	syl3anc 1371	. . . . . . . . . . . . . . 15 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt (𝐴 gcd 𝐵)) = if((𝑝 pCnt 𝐴) ≤ (𝑝 pCnt 𝐵), (𝑝 pCnt 𝐴), (𝑝 pCnt 𝐵)))
19		pc1 16787	. . . . . . . . . . . . . . . 16 ⊢ (𝑝 ∈ ℙ → (𝑝 pCnt 1) = 0)
20	19	adantl 482	. . . . . . . . . . . . . . 15 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt 1) = 0)
21	14, 18, 20	3eqtr3d 2780	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → if((𝑝 pCnt 𝐴) ≤ (𝑝 pCnt 𝐵), (𝑝 pCnt 𝐴), (𝑝 pCnt 𝐵)) = 0)
22		ifid 4568	. . . . . . . . . . . . . . . 16 ⊢ if((𝑝 pCnt 𝐴) ≤ (𝑝 pCnt 𝐵), 1, 1) = 1
23		ifeq12 4546	. . . . . . . . . . . . . . . 16 ⊢ ((1 = (𝑝 pCnt 𝐴) ∧ 1 = (𝑝 pCnt 𝐵)) → if((𝑝 pCnt 𝐴) ≤ (𝑝 pCnt 𝐵), 1, 1) = if((𝑝 pCnt 𝐴) ≤ (𝑝 pCnt 𝐵), (𝑝 pCnt 𝐴), (𝑝 pCnt 𝐵)))
24	22, 23	eqtr3id 2786	. . . . . . . . . . . . . . 15 ⊢ ((1 = (𝑝 pCnt 𝐴) ∧ 1 = (𝑝 pCnt 𝐵)) → 1 = if((𝑝 pCnt 𝐴) ≤ (𝑝 pCnt 𝐵), (𝑝 pCnt 𝐴), (𝑝 pCnt 𝐵)))
25	24	eqeq1d 2734	. . . . . . . . . . . . . 14 ⊢ ((1 = (𝑝 pCnt 𝐴) ∧ 1 = (𝑝 pCnt 𝐵)) → (1 = 0 ↔ if((𝑝 pCnt 𝐴) ≤ (𝑝 pCnt 𝐵), (𝑝 pCnt 𝐴), (𝑝 pCnt 𝐵)) = 0))
26	21, 25	syl5ibrcom 246	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ((1 = (𝑝 pCnt 𝐴) ∧ 1 = (𝑝 pCnt 𝐵)) → 1 = 0))
27	26	necon3ad 2953	. . . . . . . . . . . 12 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (1 ≠ 0 → ¬ (1 = (𝑝 pCnt 𝐴) ∧ 1 = (𝑝 pCnt 𝐵))))
28	12, 27	mpi 20	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ¬ (1 = (𝑝 pCnt 𝐴) ∧ 1 = (𝑝 pCnt 𝐵)))
29		ax-1cn 11167	. . . . . . . . . . . . 13 ⊢ 1 ∈ ℂ
30	5	recnd 11241	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt 𝐴) ∈ ℂ)
31		subeq0 11485	. . . . . . . . . . . . 13 ⊢ ((1 ∈ ℂ ∧ (𝑝 pCnt 𝐴) ∈ ℂ) → ((1 − (𝑝 pCnt 𝐴)) = 0 ↔ 1 = (𝑝 pCnt 𝐴)))
32	29, 30, 31	sylancr 587	. . . . . . . . . . . 12 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ((1 − (𝑝 pCnt 𝐴)) = 0 ↔ 1 = (𝑝 pCnt 𝐴)))
33	8	recnd 11241	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt 𝐵) ∈ ℂ)
34		subeq0 11485	. . . . . . . . . . . . 13 ⊢ ((1 ∈ ℂ ∧ (𝑝 pCnt 𝐵) ∈ ℂ) → ((1 − (𝑝 pCnt 𝐵)) = 0 ↔ 1 = (𝑝 pCnt 𝐵)))
35	29, 33, 34	sylancr 587	. . . . . . . . . . . 12 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ((1 − (𝑝 pCnt 𝐵)) = 0 ↔ 1 = (𝑝 pCnt 𝐵)))
36	32, 35	anbi12d 631	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0) ↔ (1 = (𝑝 pCnt 𝐴) ∧ 1 = (𝑝 pCnt 𝐵))))
37	28, 36	mtbird 324	. . . . . . . . . 10 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ¬ ((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0))
38	37	adantr 481	. . . . . . . . 9 ⊢ ((((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) ∧ ((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1)) → ¬ ((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0))
39		eqcom 2739	. . . . . . . . . . 11 ⊢ ((1 + 1) = ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ↔ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) = (1 + 1))
40		1re 11213	. . . . . . . . . . . . . . . . . 18 ⊢ 1 ∈ ℝ
41	40, 40	readdcli 11228	. . . . . . . . . . . . . . . . 17 ⊢ (1 + 1) ∈ ℝ
42	41	recni 11227	. . . . . . . . . . . . . . . 16 ⊢ (1 + 1) ∈ ℂ
43	4, 7	nn0addcld 12535	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ∈ ℕ₀)
44	43	nn0red 12532	. . . . . . . . . . . . . . . . 17 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ∈ ℝ)
45	44	recnd 11241	. . . . . . . . . . . . . . . 16 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ∈ ℂ)
46		subeq0 11485	. . . . . . . . . . . . . . . 16 ⊢ (((1 + 1) ∈ ℂ ∧ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ∈ ℂ) → (((1 + 1) − ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵))) = 0 ↔ (1 + 1) = ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵))))
47	42, 45, 46	sylancr 587	. . . . . . . . . . . . . . 15 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((1 + 1) − ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵))) = 0 ↔ (1 + 1) = ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵))))
48	47, 39	bitrdi 286	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((1 + 1) − ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵))) = 0 ↔ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) = (1 + 1)))
49	9	recnd 11241	. . . . . . . . . . . . . . . 16 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → 1 ∈ ℂ)
50	49, 49, 30, 33	addsub4d 11617	. . . . . . . . . . . . . . 15 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ((1 + 1) − ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵))) = ((1 − (𝑝 pCnt 𝐴)) + (1 − (𝑝 pCnt 𝐵))))
51	50	eqeq1d 2734	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((1 + 1) − ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵))) = 0 ↔ ((1 − (𝑝 pCnt 𝐴)) + (1 − (𝑝 pCnt 𝐵))) = 0))
52	48, 51	bitr3d 280	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) = (1 + 1) ↔ ((1 − (𝑝 pCnt 𝐴)) + (1 − (𝑝 pCnt 𝐵))) = 0))
53	52	adantr 481	. . . . . . . . . . . 12 ⊢ ((((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) ∧ ((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1)) → (((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) = (1 + 1) ↔ ((1 − (𝑝 pCnt 𝐴)) + (1 − (𝑝 pCnt 𝐵))) = 0))
54		subge0 11726	. . . . . . . . . . . . . . . 16 ⊢ ((1 ∈ ℝ ∧ (𝑝 pCnt 𝐴) ∈ ℝ) → (0 ≤ (1 − (𝑝 pCnt 𝐴)) ↔ (𝑝 pCnt 𝐴) ≤ 1))
55	40, 5, 54	sylancr 587	. . . . . . . . . . . . . . 15 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (0 ≤ (1 − (𝑝 pCnt 𝐴)) ↔ (𝑝 pCnt 𝐴) ≤ 1))
56		subge0 11726	. . . . . . . . . . . . . . . 16 ⊢ ((1 ∈ ℝ ∧ (𝑝 pCnt 𝐵) ∈ ℝ) → (0 ≤ (1 − (𝑝 pCnt 𝐵)) ↔ (𝑝 pCnt 𝐵) ≤ 1))
57	40, 8, 56	sylancr 587	. . . . . . . . . . . . . . 15 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (0 ≤ (1 − (𝑝 pCnt 𝐵)) ↔ (𝑝 pCnt 𝐵) ≤ 1))
58	55, 57	anbi12d 631	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ((0 ≤ (1 − (𝑝 pCnt 𝐴)) ∧ 0 ≤ (1 − (𝑝 pCnt 𝐵))) ↔ ((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1)))
59		resubcl 11523	. . . . . . . . . . . . . . . 16 ⊢ ((1 ∈ ℝ ∧ (𝑝 pCnt 𝐴) ∈ ℝ) → (1 − (𝑝 pCnt 𝐴)) ∈ ℝ)
60	40, 5, 59	sylancr 587	. . . . . . . . . . . . . . 15 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (1 − (𝑝 pCnt 𝐴)) ∈ ℝ)
61		resubcl 11523	. . . . . . . . . . . . . . . 16 ⊢ ((1 ∈ ℝ ∧ (𝑝 pCnt 𝐵) ∈ ℝ) → (1 − (𝑝 pCnt 𝐵)) ∈ ℝ)
62	40, 8, 61	sylancr 587	. . . . . . . . . . . . . . 15 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (1 − (𝑝 pCnt 𝐵)) ∈ ℝ)
63		add20 11725	. . . . . . . . . . . . . . . . 17 ⊢ ((((1 − (𝑝 pCnt 𝐴)) ∈ ℝ ∧ 0 ≤ (1 − (𝑝 pCnt 𝐴))) ∧ ((1 − (𝑝 pCnt 𝐵)) ∈ ℝ ∧ 0 ≤ (1 − (𝑝 pCnt 𝐵)))) → (((1 − (𝑝 pCnt 𝐴)) + (1 − (𝑝 pCnt 𝐵))) = 0 ↔ ((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0)))
64	63	an4s 658	. . . . . . . . . . . . . . . 16 ⊢ ((((1 − (𝑝 pCnt 𝐴)) ∈ ℝ ∧ (1 − (𝑝 pCnt 𝐵)) ∈ ℝ) ∧ (0 ≤ (1 − (𝑝 pCnt 𝐴)) ∧ 0 ≤ (1 − (𝑝 pCnt 𝐵)))) → (((1 − (𝑝 pCnt 𝐴)) + (1 − (𝑝 pCnt 𝐵))) = 0 ↔ ((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0)))
65	64	ex 413	. . . . . . . . . . . . . . 15 ⊢ (((1 − (𝑝 pCnt 𝐴)) ∈ ℝ ∧ (1 − (𝑝 pCnt 𝐵)) ∈ ℝ) → ((0 ≤ (1 − (𝑝 pCnt 𝐴)) ∧ 0 ≤ (1 − (𝑝 pCnt 𝐵))) → (((1 − (𝑝 pCnt 𝐴)) + (1 − (𝑝 pCnt 𝐵))) = 0 ↔ ((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0))))
66	60, 62, 65	syl2anc 584	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ((0 ≤ (1 − (𝑝 pCnt 𝐴)) ∧ 0 ≤ (1 − (𝑝 pCnt 𝐵))) → (((1 − (𝑝 pCnt 𝐴)) + (1 − (𝑝 pCnt 𝐵))) = 0 ↔ ((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0))))
67	58, 66	sylbird 259	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1) → (((1 − (𝑝 pCnt 𝐴)) + (1 − (𝑝 pCnt 𝐵))) = 0 ↔ ((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0))))
68	67	imp 407	. . . . . . . . . . . 12 ⊢ ((((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) ∧ ((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1)) → (((1 − (𝑝 pCnt 𝐴)) + (1 − (𝑝 pCnt 𝐵))) = 0 ↔ ((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0)))
69	53, 68	bitrd 278	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) ∧ ((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1)) → (((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) = (1 + 1) ↔ ((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0)))
70	39, 69	bitrid 282	. . . . . . . . . 10 ⊢ ((((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) ∧ ((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1)) → ((1 + 1) = ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ↔ ((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0)))
71	70	necon3abid 2977	. . . . . . . . 9 ⊢ ((((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) ∧ ((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1)) → ((1 + 1) ≠ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ↔ ¬ ((1 − (𝑝 pCnt 𝐴)) = 0 ∧ (1 − (𝑝 pCnt 𝐵)) = 0)))
72	38, 71	mpbird 256	. . . . . . . 8 ⊢ ((((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) ∧ ((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1)) → (1 + 1) ≠ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)))
73	72	ex 413	. . . . . . 7 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1) → (1 + 1) ≠ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵))))
74	11, 73	jcad 513	. . . . . 6 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1) → (((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ≤ (1 + 1) ∧ (1 + 1) ≠ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)))))
75		nnz 12578	. . . . . . . . . . 11 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℤ)
76		nnne0 12245	. . . . . . . . . . 11 ⊢ (𝐴 ∈ ℕ → 𝐴 ≠ 0)
77	75, 76	jca 512	. . . . . . . . . 10 ⊢ (𝐴 ∈ ℕ → (𝐴 ∈ ℤ ∧ 𝐴 ≠ 0))
78	3, 77	syl 17	. . . . . . . . 9 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝐴 ∈ ℤ ∧ 𝐴 ≠ 0))
79		nnz 12578	. . . . . . . . . . 11 ⊢ (𝐵 ∈ ℕ → 𝐵 ∈ ℤ)
80		nnne0 12245	. . . . . . . . . . 11 ⊢ (𝐵 ∈ ℕ → 𝐵 ≠ 0)
81	79, 80	jca 512	. . . . . . . . . 10 ⊢ (𝐵 ∈ ℕ → (𝐵 ∈ ℤ ∧ 𝐵 ≠ 0))
82	6, 81	syl 17	. . . . . . . . 9 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝐵 ∈ ℤ ∧ 𝐵 ≠ 0))
83		pcmul 16783	. . . . . . . . 9 ⊢ ((𝑝 ∈ ℙ ∧ (𝐴 ∈ ℤ ∧ 𝐴 ≠ 0) ∧ (𝐵 ∈ ℤ ∧ 𝐵 ≠ 0)) → (𝑝 pCnt (𝐴 · 𝐵)) = ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)))
84	2, 78, 82, 83	syl3anc 1371	. . . . . . . 8 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (𝑝 pCnt (𝐴 · 𝐵)) = ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)))
85	84	breq1d 5158	. . . . . . 7 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ((𝑝 pCnt (𝐴 · 𝐵)) ≤ 1 ↔ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ≤ 1))
86		1nn0 12487	. . . . . . . 8 ⊢ 1 ∈ ℕ₀
87		nn0leltp1 12620	. . . . . . . 8 ⊢ ((((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ∈ ℕ₀ ∧ 1 ∈ ℕ₀) → (((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ≤ 1 ↔ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) < (1 + 1)))
88	43, 86, 87	sylancl 586	. . . . . . 7 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ≤ 1 ↔ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) < (1 + 1)))
89		ltlen 11314	. . . . . . . 8 ⊢ ((((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ∈ ℝ ∧ (1 + 1) ∈ ℝ) → (((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) < (1 + 1) ↔ (((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ≤ (1 + 1) ∧ (1 + 1) ≠ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)))))
90	44, 41, 89	sylancl 586	. . . . . . 7 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) < (1 + 1) ↔ (((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ≤ (1 + 1) ∧ (1 + 1) ≠ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)))))
91	85, 88, 90	3bitrd 304	. . . . . 6 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → ((𝑝 pCnt (𝐴 · 𝐵)) ≤ 1 ↔ (((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)) ≤ (1 + 1) ∧ (1 + 1) ≠ ((𝑝 pCnt 𝐴) + (𝑝 pCnt 𝐵)))))
92	74, 91	sylibrd 258	. . . . 5 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ 𝑝 ∈ ℙ) → (((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1) → (𝑝 pCnt (𝐴 · 𝐵)) ≤ 1))
93	92	ralimdva 3167	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (∀𝑝 ∈ ℙ ((𝑝 pCnt 𝐴) ≤ 1 ∧ (𝑝 pCnt 𝐵) ≤ 1) → ∀𝑝 ∈ ℙ (𝑝 pCnt (𝐴 · 𝐵)) ≤ 1))
94	1, 93	biimtrrid 242	. . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → ((∀𝑝 ∈ ℙ (𝑝 pCnt 𝐴) ≤ 1 ∧ ∀𝑝 ∈ ℙ (𝑝 pCnt 𝐵) ≤ 1) → ∀𝑝 ∈ ℙ (𝑝 pCnt (𝐴 · 𝐵)) ≤ 1))
95		issqf 26637	. . . . 5 ⊢ (𝐴 ∈ ℕ → ((μ‘𝐴) ≠ 0 ↔ ∀𝑝 ∈ ℙ (𝑝 pCnt 𝐴) ≤ 1))
96		issqf 26637	. . . . 5 ⊢ (𝐵 ∈ ℕ → ((μ‘𝐵) ≠ 0 ↔ ∀𝑝 ∈ ℙ (𝑝 pCnt 𝐵) ≤ 1))
97	95, 96	bi2anan9 637	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ) → (((μ‘𝐴) ≠ 0 ∧ (μ‘𝐵) ≠ 0) ↔ (∀𝑝 ∈ ℙ (𝑝 pCnt 𝐴) ≤ 1 ∧ ∀𝑝 ∈ ℙ (𝑝 pCnt 𝐵) ≤ 1)))
98	97	3adant3 1132	. . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (((μ‘𝐴) ≠ 0 ∧ (μ‘𝐵) ≠ 0) ↔ (∀𝑝 ∈ ℙ (𝑝 pCnt 𝐴) ≤ 1 ∧ ∀𝑝 ∈ ℙ (𝑝 pCnt 𝐵) ≤ 1)))
99		nnmulcl 12235	. . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ) → (𝐴 · 𝐵) ∈ ℕ)
100	99	3adant3 1132	. . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (𝐴 · 𝐵) ∈ ℕ)
101		issqf 26637	. . . 4 ⊢ ((𝐴 · 𝐵) ∈ ℕ → ((μ‘(𝐴 · 𝐵)) ≠ 0 ↔ ∀𝑝 ∈ ℙ (𝑝 pCnt (𝐴 · 𝐵)) ≤ 1))
102	100, 101	syl 17	. . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → ((μ‘(𝐴 · 𝐵)) ≠ 0 ↔ ∀𝑝 ∈ ℙ (𝑝 pCnt (𝐴 · 𝐵)) ≤ 1))
103	94, 98, 102	3imtr4d 293	. 2 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) → (((μ‘𝐴) ≠ 0 ∧ (μ‘𝐵) ≠ 0) → (μ‘(𝐴 · 𝐵)) ≠ 0))
104	103	imp 407	1 ⊢ (((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ (𝐴 gcd 𝐵) = 1) ∧ ((μ‘𝐴) ≠ 0 ∧ (μ‘𝐵) ≠ 0)) → (μ‘(𝐴 · 𝐵)) ≠ 0)

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 396 ∧ w3a 1087 = wceq 1541 ∈ wcel 2106 ≠ wne 2940 ∀wral 3061 ifcif 4528 class class class wbr 5148 ‘cfv 6543 (class class class)co 7408 ℂcc 11107 ℝcr 11108 0cc0 11109 1c1 11110 + caddc 11112 · cmul 11114 < clt 11247 ≤ cle 11248 − cmin 11443 ℕcn 12211 ℕ₀cn0 12471 ℤcz 12557 gcd cgcd 16434 ℙcprime 16607 pCnt cpc 16768 μcmu 26596

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7724 ax-cnex 11165 ax-resscn 11166 ax-1cn 11167 ax-icn 11168 ax-addcl 11169 ax-addrcl 11170 ax-mulcl 11171 ax-mulrcl 11172 ax-mulcom 11173 ax-addass 11174 ax-mulass 11175 ax-distr 11176 ax-i2m1 11177 ax-1ne0 11178 ax-1rid 11179 ax-rnegex 11180 ax-rrecex 11181 ax-cnre 11182 ax-pre-lttri 11183 ax-pre-lttrn 11184 ax-pre-ltadd 11185 ax-pre-mulgt0 11186 ax-pre-sup 11187

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3376 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-int 4951 df-iun 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7364 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7855 df-1st 7974 df-2nd 7975 df-frecs 8265 df-wrecs 8296 df-recs 8370 df-rdg 8409 df-1o 8465 df-2o 8466 df-er 8702 df-en 8939 df-dom 8940 df-sdom 8941 df-fin 8942 df-sup 9436 df-inf 9437 df-card 9933 df-pnf 11249 df-mnf 11250 df-xr 11251 df-ltxr 11252 df-le 11253 df-sub 11445 df-neg 11446 df-div 11871 df-nn 12212 df-2 12274 df-3 12275 df-n0 12472 df-z 12558 df-uz 12822 df-q 12932 df-rp 12974 df-fz 13484 df-fl 13756 df-mod 13834 df-seq 13966 df-exp 14027 df-hash 14290 df-cj 15045 df-re 15046 df-im 15047 df-sqrt 15181 df-abs 15182 df-dvds 16197 df-gcd 16435 df-prm 16608 df-pc 16769 df-mu 26602

This theorem is referenced by: mumul 26682

W3C validator