Theorem pellfundglb 36467

Description: If a real is larger than the fundamental solution, there is a nontrivial solution less than it. (Contributed by Stefan O'Rear, 18-Sep-2014.)

Assertion

Ref	Expression
pellfundglb	⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → ∃𝑥 ∈ (Pell1QR‘𝐷)((PellFund‘𝐷) ≤ 𝑥 ∧ 𝑥 < 𝐴))

Distinct variable groups:   𝑥,𝐷   𝑥,𝐴

Proof of Theorem pellfundglb

Dummy variable 𝑎 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		pellfundval 36462	. . . . . . 7 ⊢ (𝐷 ∈ (ℕ ∖ ◻NN) → (PellFund‘𝐷) = inf({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}, ℝ, < ))
2	1	3ad2ant1 1075	. . . . . 6 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → (PellFund‘𝐷) = inf({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}, ℝ, < ))
3		simp3 1056	. . . . . 6 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → (PellFund‘𝐷) < 𝐴)
4	2, 3	eqbrtrrd 4607	. . . . 5 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → inf({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}, ℝ, < ) < 𝐴)
5		pellfundre 36463	. . . . . . . 8 ⊢ (𝐷 ∈ (ℕ ∖ ◻NN) → (PellFund‘𝐷) ∈ ℝ)
6	5	3ad2ant1 1075	. . . . . . 7 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → (PellFund‘𝐷) ∈ ℝ)
7	2, 6	eqeltrrd 2689	. . . . . 6 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → inf({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}, ℝ, < ) ∈ ℝ)
8		simp2 1055	. . . . . 6 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → 𝐴 ∈ ℝ)
9	7, 8	ltnled 10063	. . . . 5 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → (inf({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}, ℝ, < ) < 𝐴 ↔ ¬ 𝐴 ≤ inf({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}, ℝ, < )))
10	4, 9	mpbid 221	. . . 4 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → ¬ 𝐴 ≤ inf({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}, ℝ, < ))
11		ssrab2 3650	. . . . . 6 ⊢ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ⊆ (Pell14QR‘𝐷)
12		pell14qrre 36439	. . . . . . . . 9 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝑎 ∈ (Pell14QR‘𝐷)) → 𝑎 ∈ ℝ)
13	12	ex 449	. . . . . . . 8 ⊢ (𝐷 ∈ (ℕ ∖ ◻NN) → (𝑎 ∈ (Pell14QR‘𝐷) → 𝑎 ∈ ℝ))
14	13	ssrdv 3574	. . . . . . 7 ⊢ (𝐷 ∈ (ℕ ∖ ◻NN) → (Pell14QR‘𝐷) ⊆ ℝ)
15	14	3ad2ant1 1075	. . . . . 6 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → (Pell14QR‘𝐷) ⊆ ℝ)
16	11, 15	syl5ss 3579	. . . . 5 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ⊆ ℝ)
17		pell1qrss14 36450	. . . . . . . 8 ⊢ (𝐷 ∈ (ℕ ∖ ◻NN) → (Pell1QR‘𝐷) ⊆ (Pell14QR‘𝐷))
18	17	3ad2ant1 1075	. . . . . . 7 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → (Pell1QR‘𝐷) ⊆ (Pell14QR‘𝐷))
19		pellqrex 36461	. . . . . . . 8 ⊢ (𝐷 ∈ (ℕ ∖ ◻NN) → ∃𝑎 ∈ (Pell1QR‘𝐷)1 < 𝑎)
20	19	3ad2ant1 1075	. . . . . . 7 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → ∃𝑎 ∈ (Pell1QR‘𝐷)1 < 𝑎)
21		ssrexv 3630	. . . . . . 7 ⊢ ((Pell1QR‘𝐷) ⊆ (Pell14QR‘𝐷) → (∃𝑎 ∈ (Pell1QR‘𝐷)1 < 𝑎 → ∃𝑎 ∈ (Pell14QR‘𝐷)1 < 𝑎))
22	18, 20, 21	sylc 63	. . . . . 6 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → ∃𝑎 ∈ (Pell14QR‘𝐷)1 < 𝑎)
23		rabn0 3912	. . . . . 6 ⊢ ({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ≠ ∅ ↔ ∃𝑎 ∈ (Pell14QR‘𝐷)1 < 𝑎)
24	22, 23	sylibr 223	. . . . 5 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ≠ ∅)
25		infmrgelbi 36460	. . . . . 6 ⊢ ((({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ⊆ ℝ ∧ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ≠ ∅ ∧ 𝐴 ∈ ℝ) ∧ ∀𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}𝐴 ≤ 𝑥) → 𝐴 ≤ inf({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}, ℝ, < ))
26	25	ex 449	. . . . 5 ⊢ (({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ⊆ ℝ ∧ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ≠ ∅ ∧ 𝐴 ∈ ℝ) → (∀𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}𝐴 ≤ 𝑥 → 𝐴 ≤ inf({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}, ℝ, < )))
27	16, 24, 8, 26	syl3anc 1318	. . . 4 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → (∀𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}𝐴 ≤ 𝑥 → 𝐴 ≤ inf({𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}, ℝ, < )))
28	10, 27	mtod 188	. . 3 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → ¬ ∀𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}𝐴 ≤ 𝑥)
29		rexnal 2978	. . 3 ⊢ (∃𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ¬ 𝐴 ≤ 𝑥 ↔ ¬ ∀𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}𝐴 ≤ 𝑥)
30	28, 29	sylibr 223	. 2 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → ∃𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ¬ 𝐴 ≤ 𝑥)
31		breq2 4587	. . . . . . . 8 ⊢ (𝑎 = 𝑥 → (1 < 𝑎 ↔ 1 < 𝑥))
32	31	elrab 3331	. . . . . . 7 ⊢ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ↔ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥))
33		simprl 790	. . . . . . . . 9 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥)) → 𝑥 ∈ (Pell14QR‘𝐷))
34		1red 9934	. . . . . . . . . 10 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥)) → 1 ∈ ℝ)
35		simpl1 1057	. . . . . . . . . . 11 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥)) → 𝐷 ∈ (ℕ ∖ ◻NN))
36		pell14qrre 36439	. . . . . . . . . . 11 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝑥 ∈ (Pell14QR‘𝐷)) → 𝑥 ∈ ℝ)
37	35, 33, 36	syl2anc 691	. . . . . . . . . 10 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥)) → 𝑥 ∈ ℝ)
38		simprr 792	. . . . . . . . . 10 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥)) → 1 < 𝑥)
39	34, 37, 38	ltled 10064	. . . . . . . . 9 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥)) → 1 ≤ 𝑥)
40	33, 39	jca 553	. . . . . . . 8 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥)) → (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 ≤ 𝑥))
41		elpell1qr2 36454	. . . . . . . . 9 ⊢ (𝐷 ∈ (ℕ ∖ ◻NN) → (𝑥 ∈ (Pell1QR‘𝐷) ↔ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 ≤ 𝑥)))
42	35, 41	syl 17	. . . . . . . 8 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥)) → (𝑥 ∈ (Pell1QR‘𝐷) ↔ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 ≤ 𝑥)))
43	40, 42	mpbird 246	. . . . . . 7 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥)) → 𝑥 ∈ (Pell1QR‘𝐷))
44	32, 43	sylan2b 491	. . . . . 6 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ 𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}) → 𝑥 ∈ (Pell1QR‘𝐷))
45	44	adantrr 749	. . . . 5 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → 𝑥 ∈ (Pell1QR‘𝐷))
46		simpl1 1057	. . . . . . 7 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → 𝐷 ∈ (ℕ ∖ ◻NN))
47		simprl 790	. . . . . . . 8 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → 𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎})
48	11, 47	sseldi 3566	. . . . . . 7 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → 𝑥 ∈ (Pell14QR‘𝐷))
49		simpr 476	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥) → 1 < 𝑥)
50	49	a1i 11	. . . . . . . . . 10 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → ((𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥) → 1 < 𝑥))
51	32, 50	syl5bi 231	. . . . . . . . 9 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} → 1 < 𝑥))
52	51	imp 444	. . . . . . . 8 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ 𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎}) → 1 < 𝑥)
53	52	adantrr 749	. . . . . . 7 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → 1 < 𝑥)
54		pellfundlb 36466	. . . . . . 7 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝑥 ∈ (Pell14QR‘𝐷) ∧ 1 < 𝑥) → (PellFund‘𝐷) ≤ 𝑥)
55	46, 48, 53, 54	syl3anc 1318	. . . . . 6 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → (PellFund‘𝐷) ≤ 𝑥)
56		simprr 792	. . . . . . 7 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → ¬ 𝐴 ≤ 𝑥)
57	15	adantr 480	. . . . . . . . 9 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → (Pell14QR‘𝐷) ⊆ ℝ)
58	57, 48	sseldd 3569	. . . . . . . 8 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → 𝑥 ∈ ℝ)
59		simpl2 1058	. . . . . . . 8 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → 𝐴 ∈ ℝ)
60	58, 59	ltnled 10063	. . . . . . 7 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → (𝑥 < 𝐴 ↔ ¬ 𝐴 ≤ 𝑥))
61	56, 60	mpbird 246	. . . . . 6 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → 𝑥 < 𝐴)
62	55, 61	jca 553	. . . . 5 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → ((PellFund‘𝐷) ≤ 𝑥 ∧ 𝑥 < 𝐴))
63	45, 62	jca 553	. . . 4 ⊢ (((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) ∧ (𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥)) → (𝑥 ∈ (Pell1QR‘𝐷) ∧ ((PellFund‘𝐷) ≤ 𝑥 ∧ 𝑥 < 𝐴)))
64	63	ex 449	. . 3 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → ((𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ∧ ¬ 𝐴 ≤ 𝑥) → (𝑥 ∈ (Pell1QR‘𝐷) ∧ ((PellFund‘𝐷) ≤ 𝑥 ∧ 𝑥 < 𝐴))))
65	64	reximdv2 2997	. 2 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → (∃𝑥 ∈ {𝑎 ∈ (Pell14QR‘𝐷) ∣ 1 < 𝑎} ¬ 𝐴 ≤ 𝑥 → ∃𝑥 ∈ (Pell1QR‘𝐷)((PellFund‘𝐷) ≤ 𝑥 ∧ 𝑥 < 𝐴)))
66	30, 65	mpd 15	1 ⊢ ((𝐷 ∈ (ℕ ∖ ◻NN) ∧ 𝐴 ∈ ℝ ∧ (PellFund‘𝐷) < 𝐴) → ∃𝑥 ∈ (Pell1QR‘𝐷)((PellFund‘𝐷) ≤ 𝑥 ∧ 𝑥 < 𝐴))

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 195   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977   ≠ wne 2780  ∀wral 2896  ∃wrex 2897  {crab 2900   ∖ cdif 3537   ⊆ wss 3540  ∅c0 3874   class class class wbr 4583  ‘cfv 5804  infcinf 8230  ℝcr 9814  1c1 9816   < clt 9953   ≤ cle 9954  ℕcn 10897  ◻_NNcsquarenn 36418  Pell1QRcpell1qr 36419  Pell14QRcpell14qr 36421  PellFundcpellfund 36422

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-rep 4699  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847  ax-inf2 8421  ax-cnex 9871  ax-resscn 9872  ax-1cn 9873  ax-icn 9874  ax-addcl 9875  ax-addrcl 9876  ax-mulcl 9877  ax-mulrcl 9878  ax-mulcom 9879  ax-addass 9880  ax-mulass 9881  ax-distr 9882  ax-i2m1 9883  ax-1ne0 9884  ax-1rid 9885  ax-rnegex 9886  ax-rrecex 9887  ax-cnre 9888  ax-pre-lttri 9889  ax-pre-lttrn 9890  ax-pre-ltadd 9891  ax-pre-mulgt0 9892  ax-pre-sup 9893

This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-nel 2783  df-ral 2901  df-rex 2902  df-reu 2903  df-rmo 2904  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4373  df-int 4411  df-iun 4457  df-br 4584  df-opab 4644  df-mpt 4645  df-tr 4681  df-eprel 4949  df-id 4953  df-po 4959  df-so 4960  df-fr 4997  df-se 4998  df-we 4999  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-pred 5597  df-ord 5643  df-on 5644  df-lim 5645  df-suc 5646  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-isom 5813  df-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-om 6958  df-1st 7059  df-2nd 7060  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-1o 7447  df-oadd 7451  df-omul 7452  df-er 7629  df-map 7746  df-en 7842  df-dom 7843  df-sdom 7844  df-fin 7845  df-sup 8231  df-inf 8232  df-oi 8298  df-card 8648  df-acn 8651  df-pnf 9955  df-mnf 9956  df-xr 9957  df-ltxr 9958  df-le 9959  df-sub 10147  df-neg 10148  df-div 10564  df-nn 10898  df-2 10956  df-3 10957  df-n0 11170  df-xnn0 11241  df-z 11255  df-uz 11564  df-q 11665  df-rp 11709  df-ico 12052  df-fz 12198  df-fl 12455  df-mod 12531  df-seq 12664  df-exp 12723  df-hash 12980  df-cj 13687  df-re 13688  df-im 13689  df-sqrt 13823  df-abs 13824  df-dvds 14822  df-gcd 15055  df-numer 15281  df-denom 15282  df-squarenn 36423  df-pell1qr 36424  df-pell14qr 36425  df-pell1234qr 36426  df-pellfund 36427

This theorem is referenced by:  pellfundex  36468