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Theorem prmind2 16733
Description: A variation on prmind 16734 assuming complete induction for primes. (Contributed by Mario Carneiro, 20-Jun-2015.)
Hypotheses
Ref Expression
prmind.1 (𝑥 = 1 → (𝜑𝜓))
prmind.2 (𝑥 = 𝑦 → (𝜑𝜒))
prmind.3 (𝑥 = 𝑧 → (𝜑𝜃))
prmind.4 (𝑥 = (𝑦 · 𝑧) → (𝜑𝜏))
prmind.5 (𝑥 = 𝐴 → (𝜑𝜂))
prmind.6 𝜓
prmind2.7 ((𝑥 ∈ ℙ ∧ ∀𝑦 ∈ (1...(𝑥 − 1))𝜒) → 𝜑)
prmind2.8 ((𝑦 ∈ (ℤ‘2) ∧ 𝑧 ∈ (ℤ‘2)) → ((𝜒𝜃) → 𝜏))
Assertion
Ref Expression
prmind2 (𝐴 ∈ ℕ → 𝜂)
Distinct variable groups:   𝑥,𝑦   𝑥,𝐴   𝑥,𝑧,𝜒   𝜂,𝑥   𝜏,𝑥   𝜃,𝑥   𝑦,𝑧,𝜑
Allowed substitution hints:   𝜑(𝑥)   𝜓(𝑥,𝑦,𝑧)   𝜒(𝑦)   𝜃(𝑦,𝑧)   𝜏(𝑦,𝑧)   𝜂(𝑦,𝑧)   𝐴(𝑦,𝑧)

Proof of Theorem prmind2
Dummy variables 𝑘 𝑛 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 prmind.5 . 2 (𝑥 = 𝐴 → (𝜑𝜂))
2 oveq2 7408 . . . 4 (𝑛 = 1 → (1...𝑛) = (1...1))
32raleqdv 3323 . . 3 (𝑛 = 1 → (∀𝑥 ∈ (1...𝑛)𝜑 ↔ ∀𝑥 ∈ (1...1)𝜑))
4 oveq2 7408 . . . 4 (𝑛 = 𝑘 → (1...𝑛) = (1...𝑘))
54raleqdv 3323 . . 3 (𝑛 = 𝑘 → (∀𝑥 ∈ (1...𝑛)𝜑 ↔ ∀𝑥 ∈ (1...𝑘)𝜑))
6 oveq2 7408 . . . 4 (𝑛 = (𝑘 + 1) → (1...𝑛) = (1...(𝑘 + 1)))
76raleqdv 3323 . . 3 (𝑛 = (𝑘 + 1) → (∀𝑥 ∈ (1...𝑛)𝜑 ↔ ∀𝑥 ∈ (1...(𝑘 + 1))𝜑))
8 oveq2 7408 . . . 4 (𝑛 = 𝐴 → (1...𝑛) = (1...𝐴))
98raleqdv 3323 . . 3 (𝑛 = 𝐴 → (∀𝑥 ∈ (1...𝑛)𝜑 ↔ ∀𝑥 ∈ (1...𝐴)𝜑))
10 prmind.6 . . . . 5 𝜓
11 elfz1eq 13554 . . . . . 6 (𝑥 ∈ (1...1) → 𝑥 = 1)
12 prmind.1 . . . . . 6 (𝑥 = 1 → (𝜑𝜓))
1311, 12syl 18 . . . . 5 (𝑥 ∈ (1...1) → (𝜑𝜓))
1410, 13mpbiri 261 . . . 4 (𝑥 ∈ (1...1) → 𝜑)
1514rgen 3081 . . 3 𝑥 ∈ (1...1)𝜑
16 peano2nn 12236 . . . . . . . . . . . . 13 (𝑘 ∈ ℕ → (𝑘 + 1) ∈ ℕ)
1716ad2antrr 738 . . . . . . . . . . . 12 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (𝑘 + 1) ∈ ℕ)
1817nncnd 12240 . . . . . . . . . . 11 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (𝑘 + 1) ∈ ℂ)
19 elfzuz 13539 . . . . . . . . . . . . . 14 (𝑦 ∈ (2...((𝑘 + 1) − 1)) → 𝑦 ∈ (ℤ‘2))
2019ad2antrl 740 . . . . . . . . . . . . 13 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦 ∈ (ℤ‘2))
21 eluz2nn 12903 . . . . . . . . . . . . 13 (𝑦 ∈ (ℤ‘2) → 𝑦 ∈ ℕ)
2220, 21syl 18 . . . . . . . . . . . 12 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦 ∈ ℕ)
2322nncnd 12240 . . . . . . . . . . 11 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦 ∈ ℂ)
2422nnne0d 12277 . . . . . . . . . . 11 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦 ≠ 0)
2518, 23, 24divcan2d 11984 . . . . . . . . . 10 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (𝑦 · ((𝑘 + 1) / 𝑦)) = (𝑘 + 1))
26 simprr 784 . . . . . . . . . . . . 13 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦 ∥ (𝑘 + 1))
2722nnzd 12608 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦 ∈ ℤ)
2817nnzd 12608 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (𝑘 + 1) ∈ ℤ)
29 dvdsval2 16303 . . . . . . . . . . . . . 14 ((𝑦 ∈ ℤ ∧ 𝑦 ≠ 0 ∧ (𝑘 + 1) ∈ ℤ) → (𝑦 ∥ (𝑘 + 1) ↔ ((𝑘 + 1) / 𝑦) ∈ ℤ))
3027, 24, 28, 29syl3anc 1394 . . . . . . . . . . . . 13 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (𝑦 ∥ (𝑘 + 1) ↔ ((𝑘 + 1) / 𝑦) ∈ ℤ))
3126, 30mpbid 235 . . . . . . . . . . . 12 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ((𝑘 + 1) / 𝑦) ∈ ℤ)
3223mullidd 11215 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (1 · 𝑦) = 𝑦)
33 elfzle2 13547 . . . . . . . . . . . . . . . . 17 (𝑦 ∈ (2...((𝑘 + 1) − 1)) → 𝑦 ≤ ((𝑘 + 1) − 1))
3433ad2antrl 740 . . . . . . . . . . . . . . . 16 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦 ≤ ((𝑘 + 1) − 1))
35 nncn 12232 . . . . . . . . . . . . . . . . . 18 (𝑘 ∈ ℕ → 𝑘 ∈ ℂ)
3635ad2antrr 738 . . . . . . . . . . . . . . . . 17 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑘 ∈ ℂ)
37 ax-1cn 11146 . . . . . . . . . . . . . . . . 17 1 ∈ ℂ
38 pncan 11451 . . . . . . . . . . . . . . . . 17 ((𝑘 ∈ ℂ ∧ 1 ∈ ℂ) → ((𝑘 + 1) − 1) = 𝑘)
3936, 37, 38sylancl 597 . . . . . . . . . . . . . . . 16 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ((𝑘 + 1) − 1) = 𝑘)
4034, 39breqtrd 5131 . . . . . . . . . . . . . . 15 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦𝑘)
41 nnz 12603 . . . . . . . . . . . . . . . . 17 (𝑘 ∈ ℕ → 𝑘 ∈ ℤ)
4241ad2antrr 738 . . . . . . . . . . . . . . . 16 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑘 ∈ ℤ)
43 zleltp1 12636 . . . . . . . . . . . . . . . 16 ((𝑦 ∈ ℤ ∧ 𝑘 ∈ ℤ) → (𝑦𝑘𝑦 < (𝑘 + 1)))
4427, 42, 43syl2anc 595 . . . . . . . . . . . . . . 15 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (𝑦𝑘𝑦 < (𝑘 + 1)))
4540, 44mpbid 235 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦 < (𝑘 + 1))
4632, 45eqbrtrd 5127 . . . . . . . . . . . . 13 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (1 · 𝑦) < (𝑘 + 1))
47 1red 11197 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 1 ∈ ℝ)
4817nnred 12239 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (𝑘 + 1) ∈ ℝ)
4922nnred 12239 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦 ∈ ℝ)
5022nngt0d 12276 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 0 < 𝑦)
51 ltmuldiv 12079 . . . . . . . . . . . . . 14 ((1 ∈ ℝ ∧ (𝑘 + 1) ∈ ℝ ∧ (𝑦 ∈ ℝ ∧ 0 < 𝑦)) → ((1 · 𝑦) < (𝑘 + 1) ↔ 1 < ((𝑘 + 1) / 𝑦)))
5247, 48, 49, 50, 51syl112anc 1397 . . . . . . . . . . . . 13 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ((1 · 𝑦) < (𝑘 + 1) ↔ 1 < ((𝑘 + 1) / 𝑦)))
5346, 52mpbid 235 . . . . . . . . . . . 12 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 1 < ((𝑘 + 1) / 𝑦))
54 eluz2b1 12934 . . . . . . . . . . . 12 (((𝑘 + 1) / 𝑦) ∈ (ℤ‘2) ↔ (((𝑘 + 1) / 𝑦) ∈ ℤ ∧ 1 < ((𝑘 + 1) / 𝑦)))
5531, 53, 54sylanbrc 594 . . . . . . . . . . 11 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ((𝑘 + 1) / 𝑦) ∈ (ℤ‘2))
56 prmind.2 . . . . . . . . . . . . 13 (𝑥 = 𝑦 → (𝜑𝜒))
57 simplr 780 . . . . . . . . . . . . 13 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ∀𝑥 ∈ (1...𝑘)𝜑)
58 fznn 13611 . . . . . . . . . . . . . . 15 (𝑘 ∈ ℤ → (𝑦 ∈ (1...𝑘) ↔ (𝑦 ∈ ℕ ∧ 𝑦𝑘)))
5942, 58syl 18 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (𝑦 ∈ (1...𝑘) ↔ (𝑦 ∈ ℕ ∧ 𝑦𝑘)))
6022, 40, 59mpbir2and 725 . . . . . . . . . . . . 13 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦 ∈ (1...𝑘))
6156, 57, 60rspcdva 3585 . . . . . . . . . . . 12 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝜒)
62 vex 3461 . . . . . . . . . . . . . . 15 𝑧 ∈ V
63 prmind.3 . . . . . . . . . . . . . . 15 (𝑥 = 𝑧 → (𝜑𝜃))
6462, 63sbcie 3788 . . . . . . . . . . . . . 14 ([𝑧 / 𝑥]𝜑𝜃)
65 dfsbcq 3749 . . . . . . . . . . . . . 14 (𝑧 = ((𝑘 + 1) / 𝑦) → ([𝑧 / 𝑥]𝜑[((𝑘 + 1) / 𝑦) / 𝑥]𝜑))
6664, 65bitr3id 288 . . . . . . . . . . . . 13 (𝑧 = ((𝑘 + 1) / 𝑦) → (𝜃[((𝑘 + 1) / 𝑦) / 𝑥]𝜑))
6763cbvralvw 3243 . . . . . . . . . . . . . 14 (∀𝑥 ∈ (1...𝑘)𝜑 ↔ ∀𝑧 ∈ (1...𝑘)𝜃)
6857, 67sylib 221 . . . . . . . . . . . . 13 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ∀𝑧 ∈ (1...𝑘)𝜃)
6917nnrpd 13049 . . . . . . . . . . . . . . . . 17 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (𝑘 + 1) ∈ ℝ+)
7022nnrpd 13049 . . . . . . . . . . . . . . . . 17 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 𝑦 ∈ ℝ+)
7169, 70rpdivcld 13068 . . . . . . . . . . . . . . . 16 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ((𝑘 + 1) / 𝑦) ∈ ℝ+)
7271rpgt0d 13054 . . . . . . . . . . . . . . 15 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 0 < ((𝑘 + 1) / 𝑦))
73 elnnz 12592 . . . . . . . . . . . . . . 15 (((𝑘 + 1) / 𝑦) ∈ ℕ ↔ (((𝑘 + 1) / 𝑦) ∈ ℤ ∧ 0 < ((𝑘 + 1) / 𝑦)))
7431, 72, 73sylanbrc 594 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ((𝑘 + 1) / 𝑦) ∈ ℕ)
7517nnne0d 12277 . . . . . . . . . . . . . . . . . 18 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (𝑘 + 1) ≠ 0)
7618, 75dividd 11980 . . . . . . . . . . . . . . . . 17 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ((𝑘 + 1) / (𝑘 + 1)) = 1)
77 eluz2gt1 12935 . . . . . . . . . . . . . . . . . 18 (𝑦 ∈ (ℤ‘2) → 1 < 𝑦)
7820, 77syl 18 . . . . . . . . . . . . . . . . 17 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 1 < 𝑦)
7976, 78eqbrtrd 5127 . . . . . . . . . . . . . . . 16 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ((𝑘 + 1) / (𝑘 + 1)) < 𝑦)
8017nngt0d 12276 . . . . . . . . . . . . . . . . 17 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → 0 < (𝑘 + 1))
81 ltdiv23 12097 . . . . . . . . . . . . . . . . 17 (((𝑘 + 1) ∈ ℝ ∧ ((𝑘 + 1) ∈ ℝ ∧ 0 < (𝑘 + 1)) ∧ (𝑦 ∈ ℝ ∧ 0 < 𝑦)) → (((𝑘 + 1) / (𝑘 + 1)) < 𝑦 ↔ ((𝑘 + 1) / 𝑦) < (𝑘 + 1)))
8248, 48, 80, 49, 50, 81syl122anc 1402 . . . . . . . . . . . . . . . 16 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (((𝑘 + 1) / (𝑘 + 1)) < 𝑦 ↔ ((𝑘 + 1) / 𝑦) < (𝑘 + 1)))
8379, 82mpbid 235 . . . . . . . . . . . . . . 15 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ((𝑘 + 1) / 𝑦) < (𝑘 + 1))
84 zleltp1 12636 . . . . . . . . . . . . . . . 16 ((((𝑘 + 1) / 𝑦) ∈ ℤ ∧ 𝑘 ∈ ℤ) → (((𝑘 + 1) / 𝑦) ≤ 𝑘 ↔ ((𝑘 + 1) / 𝑦) < (𝑘 + 1)))
8531, 42, 84syl2anc 595 . . . . . . . . . . . . . . 15 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (((𝑘 + 1) / 𝑦) ≤ 𝑘 ↔ ((𝑘 + 1) / 𝑦) < (𝑘 + 1)))
8683, 85mpbird 260 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ((𝑘 + 1) / 𝑦) ≤ 𝑘)
87 fznn 13611 . . . . . . . . . . . . . . 15 (𝑘 ∈ ℤ → (((𝑘 + 1) / 𝑦) ∈ (1...𝑘) ↔ (((𝑘 + 1) / 𝑦) ∈ ℕ ∧ ((𝑘 + 1) / 𝑦) ≤ 𝑘)))
8842, 87syl 18 . . . . . . . . . . . . . 14 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (((𝑘 + 1) / 𝑦) ∈ (1...𝑘) ↔ (((𝑘 + 1) / 𝑦) ∈ ℕ ∧ ((𝑘 + 1) / 𝑦) ≤ 𝑘)))
8974, 86, 88mpbir2and 725 . . . . . . . . . . . . 13 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → ((𝑘 + 1) / 𝑦) ∈ (1...𝑘))
9066, 68, 89rspcdva 3585 . . . . . . . . . . . 12 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → [((𝑘 + 1) / 𝑦) / 𝑥]𝜑)
9161, 90jca 520 . . . . . . . . . . 11 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → (𝜒[((𝑘 + 1) / 𝑦) / 𝑥]𝜑))
9266anbi2d 641 . . . . . . . . . . . . . 14 (𝑧 = ((𝑘 + 1) / 𝑦) → ((𝜒𝜃) ↔ (𝜒[((𝑘 + 1) / 𝑦) / 𝑥]𝜑)))
93 ovex 7433 . . . . . . . . . . . . . . . 16 (𝑦 · 𝑧) ∈ V
94 prmind.4 . . . . . . . . . . . . . . . 16 (𝑥 = (𝑦 · 𝑧) → (𝜑𝜏))
9593, 94sbcie 3788 . . . . . . . . . . . . . . 15 ([(𝑦 · 𝑧) / 𝑥]𝜑𝜏)
96 oveq2 7408 . . . . . . . . . . . . . . . 16 (𝑧 = ((𝑘 + 1) / 𝑦) → (𝑦 · 𝑧) = (𝑦 · ((𝑘 + 1) / 𝑦)))
9796sbceq1d 3752 . . . . . . . . . . . . . . 15 (𝑧 = ((𝑘 + 1) / 𝑦) → ([(𝑦 · 𝑧) / 𝑥]𝜑[(𝑦 · ((𝑘 + 1) / 𝑦)) / 𝑥]𝜑))
9895, 97bitr3id 288 . . . . . . . . . . . . . 14 (𝑧 = ((𝑘 + 1) / 𝑦) → (𝜏[(𝑦 · ((𝑘 + 1) / 𝑦)) / 𝑥]𝜑))
9992, 98imbi12d 347 . . . . . . . . . . . . 13 (𝑧 = ((𝑘 + 1) / 𝑦) → (((𝜒𝜃) → 𝜏) ↔ ((𝜒[((𝑘 + 1) / 𝑦) / 𝑥]𝜑) → [(𝑦 · ((𝑘 + 1) / 𝑦)) / 𝑥]𝜑)))
10099imbi2d 343 . . . . . . . . . . . 12 (𝑧 = ((𝑘 + 1) / 𝑦) → ((𝑦 ∈ (ℤ‘2) → ((𝜒𝜃) → 𝜏)) ↔ (𝑦 ∈ (ℤ‘2) → ((𝜒[((𝑘 + 1) / 𝑦) / 𝑥]𝜑) → [(𝑦 · ((𝑘 + 1) / 𝑦)) / 𝑥]𝜑))))
101 prmind2.8 . . . . . . . . . . . . 13 ((𝑦 ∈ (ℤ‘2) ∧ 𝑧 ∈ (ℤ‘2)) → ((𝜒𝜃) → 𝜏))
102101expcom 418 . . . . . . . . . . . 12 (𝑧 ∈ (ℤ‘2) → (𝑦 ∈ (ℤ‘2) → ((𝜒𝜃) → 𝜏)))
103100, 102vtoclga 3544 . . . . . . . . . . 11 (((𝑘 + 1) / 𝑦) ∈ (ℤ‘2) → (𝑦 ∈ (ℤ‘2) → ((𝜒[((𝑘 + 1) / 𝑦) / 𝑥]𝜑) → [(𝑦 · ((𝑘 + 1) / 𝑦)) / 𝑥]𝜑)))
10455, 20, 91, 103syl3c 67 . . . . . . . . . 10 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → [(𝑦 · ((𝑘 + 1) / 𝑦)) / 𝑥]𝜑)
10525, 104sbceq1dd 3753 . . . . . . . . 9 (((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) ∧ (𝑦 ∈ (2...((𝑘 + 1) − 1)) ∧ 𝑦 ∥ (𝑘 + 1))) → [(𝑘 + 1) / 𝑥]𝜑)
106105rexlimdvaa 3167 . . . . . . . 8 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → (∃𝑦 ∈ (2...((𝑘 + 1) − 1))𝑦 ∥ (𝑘 + 1) → [(𝑘 + 1) / 𝑥]𝜑))
107 ralnex 3091 . . . . . . . . 9 (∀𝑦 ∈ (2...((𝑘 + 1) − 1)) ¬ 𝑦 ∥ (𝑘 + 1) ↔ ¬ ∃𝑦 ∈ (2...((𝑘 + 1) − 1))𝑦 ∥ (𝑘 + 1))
108 simpl 487 . . . . . . . . . . . . . 14 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → 𝑘 ∈ ℕ)
109 elnnuz 12893 . . . . . . . . . . . . . 14 (𝑘 ∈ ℕ ↔ 𝑘 ∈ (ℤ‘1))
110108, 109sylib 221 . . . . . . . . . . . . 13 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → 𝑘 ∈ (ℤ‘1))
111 eluzp1p1 12881 . . . . . . . . . . . . 13 (𝑘 ∈ (ℤ‘1) → (𝑘 + 1) ∈ (ℤ‘(1 + 1)))
112110, 111syl 18 . . . . . . . . . . . 12 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → (𝑘 + 1) ∈ (ℤ‘(1 + 1)))
113 df-2 12294 . . . . . . . . . . . . 13 2 = (1 + 1)
114113fveq2i 6874 . . . . . . . . . . . 12 (ℤ‘2) = (ℤ‘(1 + 1))
115112, 114eleqtrrdi 2876 . . . . . . . . . . 11 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → (𝑘 + 1) ∈ (ℤ‘2))
116 isprm3 16731 . . . . . . . . . . . 12 ((𝑘 + 1) ∈ ℙ ↔ ((𝑘 + 1) ∈ (ℤ‘2) ∧ ∀𝑦 ∈ (2...((𝑘 + 1) − 1)) ¬ 𝑦 ∥ (𝑘 + 1)))
117116baibr 545 . . . . . . . . . . 11 ((𝑘 + 1) ∈ (ℤ‘2) → (∀𝑦 ∈ (2...((𝑘 + 1) − 1)) ¬ 𝑦 ∥ (𝑘 + 1) ↔ (𝑘 + 1) ∈ ℙ))
118115, 117syl 18 . . . . . . . . . 10 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → (∀𝑦 ∈ (2...((𝑘 + 1) − 1)) ¬ 𝑦 ∥ (𝑘 + 1) ↔ (𝑘 + 1) ∈ ℙ))
11956cbvralvw 3243 . . . . . . . . . . . . 13 (∀𝑥 ∈ (1...𝑘)𝜑 ↔ ∀𝑦 ∈ (1...𝑘)𝜒)
120119bilani 509 . . . . . . . . . . . 12 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → ∀𝑦 ∈ (1...𝑘)𝜒)
121108nncnd 12240 . . . . . . . . . . . . . 14 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → 𝑘 ∈ ℂ)
122121, 37, 38sylancl 597 . . . . . . . . . . . . 13 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → ((𝑘 + 1) − 1) = 𝑘)
123122oveq2d 7416 . . . . . . . . . . . 12 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → (1...((𝑘 + 1) − 1)) = (1...𝑘))
124120, 123raleqtrrdv 3327 . . . . . . . . . . 11 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → ∀𝑦 ∈ (1...((𝑘 + 1) − 1))𝜒)
125 nfcv 2927 . . . . . . . . . . . 12 𝑥(𝑘 + 1)
126 nfv 1937 . . . . . . . . . . . . 13 𝑥𝑦 ∈ (1...((𝑘 + 1) − 1))𝜒
127 nfsbc1v 3767 . . . . . . . . . . . . 13 𝑥[(𝑘 + 1) / 𝑥]𝜑
128126, 127nfim 1919 . . . . . . . . . . . 12 𝑥(∀𝑦 ∈ (1...((𝑘 + 1) − 1))𝜒[(𝑘 + 1) / 𝑥]𝜑)
129 oveq1 7407 . . . . . . . . . . . . . . 15 (𝑥 = (𝑘 + 1) → (𝑥 − 1) = ((𝑘 + 1) − 1))
130129oveq2d 7416 . . . . . . . . . . . . . 14 (𝑥 = (𝑘 + 1) → (1...(𝑥 − 1)) = (1...((𝑘 + 1) − 1)))
131130raleqdv 3323 . . . . . . . . . . . . 13 (𝑥 = (𝑘 + 1) → (∀𝑦 ∈ (1...(𝑥 − 1))𝜒 ↔ ∀𝑦 ∈ (1...((𝑘 + 1) − 1))𝜒))
132 sbceq1a 3758 . . . . . . . . . . . . 13 (𝑥 = (𝑘 + 1) → (𝜑[(𝑘 + 1) / 𝑥]𝜑))
133131, 132imbi12d 347 . . . . . . . . . . . 12 (𝑥 = (𝑘 + 1) → ((∀𝑦 ∈ (1...(𝑥 − 1))𝜒𝜑) ↔ (∀𝑦 ∈ (1...((𝑘 + 1) − 1))𝜒[(𝑘 + 1) / 𝑥]𝜑)))
134 prmind2.7 . . . . . . . . . . . . 13 ((𝑥 ∈ ℙ ∧ ∀𝑦 ∈ (1...(𝑥 − 1))𝜒) → 𝜑)
135134ex 417 . . . . . . . . . . . 12 (𝑥 ∈ ℙ → (∀𝑦 ∈ (1...(𝑥 − 1))𝜒𝜑))
136125, 128, 133, 135vtoclgaf 3543 . . . . . . . . . . 11 ((𝑘 + 1) ∈ ℙ → (∀𝑦 ∈ (1...((𝑘 + 1) − 1))𝜒[(𝑘 + 1) / 𝑥]𝜑))
137124, 136syl5com 32 . . . . . . . . . 10 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → ((𝑘 + 1) ∈ ℙ → [(𝑘 + 1) / 𝑥]𝜑))
138118, 137sylbid 243 . . . . . . . . 9 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → (∀𝑦 ∈ (2...((𝑘 + 1) − 1)) ¬ 𝑦 ∥ (𝑘 + 1) → [(𝑘 + 1) / 𝑥]𝜑))
139107, 138biimtrrid 246 . . . . . . . 8 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → (¬ ∃𝑦 ∈ (2...((𝑘 + 1) − 1))𝑦 ∥ (𝑘 + 1) → [(𝑘 + 1) / 𝑥]𝜑))
140106, 139pm2.61d 181 . . . . . . 7 ((𝑘 ∈ ℕ ∧ ∀𝑥 ∈ (1...𝑘)𝜑) → [(𝑘 + 1) / 𝑥]𝜑)
141140ex 417 . . . . . 6 (𝑘 ∈ ℕ → (∀𝑥 ∈ (1...𝑘)𝜑[(𝑘 + 1) / 𝑥]𝜑))
142 ralsnsg 4632 . . . . . . 7 ((𝑘 + 1) ∈ ℕ → (∀𝑥 ∈ {(𝑘 + 1)}𝜑[(𝑘 + 1) / 𝑥]𝜑))
14316, 142syl 18 . . . . . 6 (𝑘 ∈ ℕ → (∀𝑥 ∈ {(𝑘 + 1)}𝜑[(𝑘 + 1) / 𝑥]𝜑))
144141, 143sylibrd 262 . . . . 5 (𝑘 ∈ ℕ → (∀𝑥 ∈ (1...𝑘)𝜑 → ∀𝑥 ∈ {(𝑘 + 1)}𝜑))
145144ancld 559 . . . 4 (𝑘 ∈ ℕ → (∀𝑥 ∈ (1...𝑘)𝜑 → (∀𝑥 ∈ (1...𝑘)𝜑 ∧ ∀𝑥 ∈ {(𝑘 + 1)}𝜑)))
146 fzsuc 13590 . . . . . . 7 (𝑘 ∈ (ℤ‘1) → (1...(𝑘 + 1)) = ((1...𝑘) ∪ {(𝑘 + 1)}))
147109, 146sylbi 220 . . . . . 6 (𝑘 ∈ ℕ → (1...(𝑘 + 1)) = ((1...𝑘) ∪ {(𝑘 + 1)}))
148147raleqdv 3323 . . . . 5 (𝑘 ∈ ℕ → (∀𝑥 ∈ (1...(𝑘 + 1))𝜑 ↔ ∀𝑥 ∈ ((1...𝑘) ∪ {(𝑘 + 1)})𝜑))
149 ralunb 4152 . . . . 5 (∀𝑥 ∈ ((1...𝑘) ∪ {(𝑘 + 1)})𝜑 ↔ (∀𝑥 ∈ (1...𝑘)𝜑 ∧ ∀𝑥 ∈ {(𝑘 + 1)}𝜑))
150148, 149bitrdi 290 . . . 4 (𝑘 ∈ ℕ → (∀𝑥 ∈ (1...(𝑘 + 1))𝜑 ↔ (∀𝑥 ∈ (1...𝑘)𝜑 ∧ ∀𝑥 ∈ {(𝑘 + 1)}𝜑)))
151145, 150sylibrd 262 . . 3 (𝑘 ∈ ℕ → (∀𝑥 ∈ (1...𝑘)𝜑 → ∀𝑥 ∈ (1...(𝑘 + 1))𝜑))
1523, 5, 7, 9, 15, 151nnind 12242 . 2 (𝐴 ∈ ℕ → ∀𝑥 ∈ (1...𝐴)𝜑)
153 elfz1end 13573 . . 3 (𝐴 ∈ ℕ ↔ 𝐴 ∈ (1...𝐴))
154153biimpi 219 . 2 (𝐴 ∈ ℕ → 𝐴 ∈ (1...𝐴))
1551, 152, 154rspcdva 3585 1 (𝐴 ∈ ℕ → 𝜂)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 209  wa 400   = wceq 1563  wcel 2145  wne 2960  wral 3079  wrex 3089  [wsbc 3747  cun 3905  {csn 4585   class class class wbr 5105  cfv 6525  (class class class)co 7400  cc 11086  cr 11087  0cc0 11088  1c1 11089   + caddc 11091   · cmul 11093   < clt 11231  cle 11232  cmin 11429   / cdiv 11859  cn 12224  2c2 12286  cz 12582  cuz 12853  ...cfz 13526  cdvds 16300  cprime 16719
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1818  ax-4 1832  ax-5 1933  ax-6 1990  ax-7 2031  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2215  ax-ext 2737  ax-sep 5251  ax-nul 5261  ax-pow 5327  ax-pr 5395  ax-un 7722  ax-cnex 11144  ax-resscn 11145  ax-1cn 11146  ax-icn 11147  ax-addcl 11148  ax-addrcl 11149  ax-mulcl 11150  ax-mulrcl 11151  ax-mulcom 11152  ax-addass 11153  ax-mulass 11154  ax-distr 11155  ax-i2m1 11156  ax-1ne0 11157  ax-1rid 11158  ax-rnegex 11159  ax-rrecex 11160  ax-cnre 11161  ax-pre-lttri 11162  ax-pre-lttrn 11163  ax-pre-ltadd 11164  ax-pre-mulgt0 11165  ax-pre-sup 11166
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1102  df-3an 1103  df-tru 1566  df-fal 1576  df-ex 1803  df-nf 1807  df-sb 2094  df-mo 2569  df-eu 2599  df-clab 2744  df-cleq 2757  df-clel 2840  df-nfc 2914  df-ne 2961  df-nel 3065  df-ral 3080  df-rex 3090  df-rmo 3370  df-reu 3371  df-rab 3418  df-v 3459  df-sbc 3748  df-csb 3856  df-dif 3910  df-un 3912  df-in 3914  df-ss 3924  df-pss 3927  df-nul 4289  df-if 4484  df-pw 4560  df-sn 4586  df-pr 4588  df-op 4592  df-uni 4869  df-iun 4954  df-br 5106  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5547  df-eprel 5552  df-po 5560  df-so 5561  df-fr 5605  df-we 5607  df-xp 5658  df-rel 5659  df-cnv 5660  df-co 5661  df-dm 5662  df-rn 5663  df-res 5664  df-ima 5665  df-pred 6292  df-ord 6353  df-on 6354  df-lim 6355  df-suc 6356  df-iota 6481  df-fun 6527  df-fn 6528  df-f 6529  df-f1 6530  df-fo 6531  df-f1o 6532  df-fv 6533  df-riota 7357  df-ov 7403  df-oprab 7404  df-mpo 7405  df-om 7851  df-1st 7974  df-2nd 7975  df-frecs 8266  df-wrecs 8297  df-recs 8346  df-rdg 8385  df-1o 8441  df-2o 8442  df-er 8682  df-en 8932  df-dom 8933  df-sdom 8934  df-fin 8935  df-sup 9390  df-pnf 11233  df-mnf 11234  df-xr 11235  df-ltxr 11236  df-le 11237  df-sub 11431  df-neg 11432  df-div 11860  df-nn 12225  df-2 12294  df-3 12295  df-n0 12496  df-z 12583  df-uz 12854  df-rp 13008  df-fz 13527  df-seq 14029  df-exp 14089  df-cj 15140  df-re 15141  df-im 15142  df-sqrt 15276  df-abs 15277  df-dvds 16301  df-prm 16720
This theorem is referenced by:  prmind  16734  4sqlem19  17013
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