Theorem genprndu 7890

Description: The upper cut produced by addition or multiplication on positive reals is rounded. (Contributed by Jim Kingdon, 7-Oct-2019.)

Hypotheses

Ref	Expression
genpelvl.1	⊢ 𝐹 = (𝑤 ∈ P, 𝑣 ∈ P ↦ ⟨{𝑥 ∈ Q ∣ ∃𝑦 ∈ Q ∃𝑧 ∈ Q (𝑦 ∈ (1st ‘𝑤) ∧ 𝑧 ∈ (1st ‘𝑣) ∧ 𝑥 = (𝑦𝐺𝑧))}, {𝑥 ∈ Q ∣ ∃𝑦 ∈ Q ∃𝑧 ∈ Q (𝑦 ∈ (2nd ‘𝑤) ∧ 𝑧 ∈ (2nd ‘𝑣) ∧ 𝑥 = (𝑦𝐺𝑧))}⟩)
genpelvl.2	⊢ ((𝑦 ∈ Q ∧ 𝑧 ∈ Q) → (𝑦𝐺𝑧) ∈ Q)
genprndu.ord	⊢ ((𝑥 ∈ Q ∧ 𝑦 ∈ Q ∧ 𝑧 ∈ Q) → (𝑥 <Q 𝑦 ↔ (𝑧𝐺𝑥) <Q (𝑧𝐺𝑦)))
genprndu.com	⊢ ((𝑥 ∈ Q ∧ 𝑦 ∈ Q) → (𝑥𝐺𝑦) = (𝑦𝐺𝑥))
genprndu.upper	⊢ ((((𝐴 ∈ P ∧ 𝑔 ∈ (2nd ‘𝐴)) ∧ (𝐵 ∈ P ∧ ℎ ∈ (2nd ‘𝐵))) ∧ 𝑥 ∈ Q) → ((𝑔𝐺ℎ) <Q 𝑥 → 𝑥 ∈ (2nd ‘(𝐴𝐹𝐵))))

Assertion

Ref	Expression
genprndu	⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ∀𝑟 ∈ Q (𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)) ↔ ∃𝑞 ∈ Q (𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)))))

Distinct variable groups:   𝑥,𝑦,𝑧,𝑔,ℎ,𝑤,𝑣,𝑞,𝐴   𝑥,𝐵,𝑦,𝑧,𝑔,ℎ,𝑤,𝑣,𝑞   𝑥,𝐺,𝑦,𝑧,𝑔,ℎ,𝑤,𝑣,𝑞   𝑔,𝐹,𝑞   𝐴,𝑟,𝑞,𝑣,𝑤,𝑥,𝑦,𝑧   𝐵,𝑟,𝑔,ℎ   ℎ,𝐹,𝑟,𝑣,𝑤,𝑥,𝑦,𝑧   𝐺,𝑟

Proof of Theorem genprndu

Dummy variables 𝑎 𝑏 𝑐 𝑑 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		genpelvl.1	. . . . . . . . . 10 ⊢ 𝐹 = (𝑤 ∈ P, 𝑣 ∈ P ↦ ⟨{𝑥 ∈ Q ∣ ∃𝑦 ∈ Q ∃𝑧 ∈ Q (𝑦 ∈ (1st ‘𝑤) ∧ 𝑧 ∈ (1st ‘𝑣) ∧ 𝑥 = (𝑦𝐺𝑧))}, {𝑥 ∈ Q ∣ ∃𝑦 ∈ Q ∃𝑧 ∈ Q (𝑦 ∈ (2nd ‘𝑤) ∧ 𝑧 ∈ (2nd ‘𝑣) ∧ 𝑥 = (𝑦𝐺𝑧))}⟩)
2		genpelvl.2	. . . . . . . . . 10 ⊢ ((𝑦 ∈ Q ∧ 𝑧 ∈ Q) → (𝑦𝐺𝑧) ∈ Q)
3	1, 2	genpelvu 7881	. . . . . . . . 9 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)) ↔ ∃𝑎 ∈ (2nd ‘𝐴)∃𝑏 ∈ (2nd ‘𝐵)𝑟 = (𝑎𝐺𝑏)))
4		r2ex 2570	. . . . . . . . 9 ⊢ (∃𝑎 ∈ (2nd ‘𝐴)∃𝑏 ∈ (2nd ‘𝐵)𝑟 = (𝑎𝐺𝑏) ↔ ∃𝑎∃𝑏((𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵)) ∧ 𝑟 = (𝑎𝐺𝑏)))
5	3, 4	bitrdi 196	. . . . . . . 8 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)) ↔ ∃𝑎∃𝑏((𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵)) ∧ 𝑟 = (𝑎𝐺𝑏))))
6	5	biimpa 296	. . . . . . 7 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵))) → ∃𝑎∃𝑏((𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵)) ∧ 𝑟 = (𝑎𝐺𝑏)))
7	6	adantrl 482	. . . . . 6 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑟 ∈ Q ∧ 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)))) → ∃𝑎∃𝑏((𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵)) ∧ 𝑟 = (𝑎𝐺𝑏)))
8		prop 7843	. . . . . . . . . . . . . . . 16 ⊢ (𝐴 ∈ P → ⟨(1st ‘𝐴), (2nd ‘𝐴)⟩ ∈ P)
9		prnminu 7857	. . . . . . . . . . . . . . . 16 ⊢ ((⟨(1st ‘𝐴), (2nd ‘𝐴)⟩ ∈ P ∧ 𝑎 ∈ (2nd ‘𝐴)) → ∃𝑐 ∈ (2nd ‘𝐴)𝑐 <Q 𝑎)
10	8, 9	sylan 283	. . . . . . . . . . . . . . 15 ⊢ ((𝐴 ∈ P ∧ 𝑎 ∈ (2nd ‘𝐴)) → ∃𝑐 ∈ (2nd ‘𝐴)𝑐 <Q 𝑎)
11		prop 7843	. . . . . . . . . . . . . . . 16 ⊢ (𝐵 ∈ P → ⟨(1st ‘𝐵), (2nd ‘𝐵)⟩ ∈ P)
12		prnminu 7857	. . . . . . . . . . . . . . . 16 ⊢ ((⟨(1st ‘𝐵), (2nd ‘𝐵)⟩ ∈ P ∧ 𝑏 ∈ (2nd ‘𝐵)) → ∃𝑑 ∈ (2nd ‘𝐵)𝑑 <Q 𝑏)
13	11, 12	sylan 283	. . . . . . . . . . . . . . 15 ⊢ ((𝐵 ∈ P ∧ 𝑏 ∈ (2nd ‘𝐵)) → ∃𝑑 ∈ (2nd ‘𝐵)𝑑 <Q 𝑏)
14	10, 13	anim12i 338	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ P ∧ 𝑎 ∈ (2nd ‘𝐴)) ∧ (𝐵 ∈ P ∧ 𝑏 ∈ (2nd ‘𝐵))) → (∃𝑐 ∈ (2nd ‘𝐴)𝑐 <Q 𝑎 ∧ ∃𝑑 ∈ (2nd ‘𝐵)𝑑 <Q 𝑏))
15	14	an4s 596	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵))) → (∃𝑐 ∈ (2nd ‘𝐴)𝑐 <Q 𝑎 ∧ ∃𝑑 ∈ (2nd ‘𝐵)𝑑 <Q 𝑏))
16		reeanv 2721	. . . . . . . . . . . . 13 ⊢ (∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐 <Q 𝑎 ∧ 𝑑 <Q 𝑏) ↔ (∃𝑐 ∈ (2nd ‘𝐴)𝑐 <Q 𝑎 ∧ ∃𝑑 ∈ (2nd ‘𝐵)𝑑 <Q 𝑏))
17	15, 16	sylibr 134	. . . . . . . . . . . 12 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵))) → ∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐 <Q 𝑎 ∧ 𝑑 <Q 𝑏))
18		genprndu.ord	. . . . . . . . . . . . . . 15 ⊢ ((𝑥 ∈ Q ∧ 𝑦 ∈ Q ∧ 𝑧 ∈ Q) → (𝑥 <Q 𝑦 ↔ (𝑧𝐺𝑥) <Q (𝑧𝐺𝑦)))
19		genprndu.com	. . . . . . . . . . . . . . 15 ⊢ ((𝑥 ∈ Q ∧ 𝑦 ∈ Q) → (𝑥𝐺𝑦) = (𝑦𝐺𝑥))
20	18, 19	genplt2i 7878	. . . . . . . . . . . . . 14 ⊢ ((𝑐 <Q 𝑎 ∧ 𝑑 <Q 𝑏) → (𝑐𝐺𝑑) <Q (𝑎𝐺𝑏))
21	20	reximi 2647	. . . . . . . . . . . . 13 ⊢ (∃𝑑 ∈ (2nd ‘𝐵)(𝑐 <Q 𝑎 ∧ 𝑑 <Q 𝑏) → ∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q (𝑎𝐺𝑏))
22	21	reximi 2647	. . . . . . . . . . . 12 ⊢ (∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐 <Q 𝑎 ∧ 𝑑 <Q 𝑏) → ∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q (𝑎𝐺𝑏))
23	17, 22	syl 14	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵))) → ∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q (𝑎𝐺𝑏))
24	23	adantrr 483	. . . . . . . . . 10 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ ((𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵)) ∧ 𝑟 = (𝑎𝐺𝑏))) → ∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q (𝑎𝐺𝑏))
25		breq2 4134	. . . . . . . . . . . . . 14 ⊢ (𝑟 = (𝑎𝐺𝑏) → ((𝑐𝐺𝑑) <Q 𝑟 ↔ (𝑐𝐺𝑑) <Q (𝑎𝐺𝑏)))
26	25	biimprd 158	. . . . . . . . . . . . 13 ⊢ (𝑟 = (𝑎𝐺𝑏) → ((𝑐𝐺𝑑) <Q (𝑎𝐺𝑏) → (𝑐𝐺𝑑) <Q 𝑟))
27	26	reximdv 2651	. . . . . . . . . . . 12 ⊢ (𝑟 = (𝑎𝐺𝑏) → (∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q (𝑎𝐺𝑏) → ∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q 𝑟))
28	27	reximdv 2651	. . . . . . . . . . 11 ⊢ (𝑟 = (𝑎𝐺𝑏) → (∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q (𝑎𝐺𝑏) → ∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q 𝑟))
29	28	ad2antll 495	. . . . . . . . . 10 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ ((𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵)) ∧ 𝑟 = (𝑎𝐺𝑏))) → (∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q (𝑎𝐺𝑏) → ∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q 𝑟))
30	24, 29	mpd 13	. . . . . . . . 9 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ ((𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵)) ∧ 𝑟 = (𝑎𝐺𝑏))) → ∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q 𝑟)
31	30	ex 115	. . . . . . . 8 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (((𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵)) ∧ 𝑟 = (𝑎𝐺𝑏)) → ∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q 𝑟))
32	31	exlimdvv 1953	. . . . . . 7 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (∃𝑎∃𝑏((𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵)) ∧ 𝑟 = (𝑎𝐺𝑏)) → ∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q 𝑟))
33	32	adantr 276	. . . . . 6 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑟 ∈ Q ∧ 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)))) → (∃𝑎∃𝑏((𝑎 ∈ (2nd ‘𝐴) ∧ 𝑏 ∈ (2nd ‘𝐵)) ∧ 𝑟 = (𝑎𝐺𝑏)) → ∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q 𝑟))
34	7, 33	mpd 13	. . . . 5 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑟 ∈ Q ∧ 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)))) → ∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q 𝑟)
35	1, 2	genppreclu 7883	. . . . . . . . 9 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ((𝑐 ∈ (2nd ‘𝐴) ∧ 𝑑 ∈ (2nd ‘𝐵)) → (𝑐𝐺𝑑) ∈ (2nd ‘(𝐴𝐹𝐵))))
36	35	imp 124	. . . . . . . 8 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑐 ∈ (2nd ‘𝐴) ∧ 𝑑 ∈ (2nd ‘𝐵))) → (𝑐𝐺𝑑) ∈ (2nd ‘(𝐴𝐹𝐵)))
37		elprnqu 7850	. . . . . . . . . . . . 13 ⊢ ((⟨(1st ‘𝐴), (2nd ‘𝐴)⟩ ∈ P ∧ 𝑐 ∈ (2nd ‘𝐴)) → 𝑐 ∈ Q)
38	8, 37	sylan 283	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ P ∧ 𝑐 ∈ (2nd ‘𝐴)) → 𝑐 ∈ Q)
39		elprnqu 7850	. . . . . . . . . . . . 13 ⊢ ((⟨(1st ‘𝐵), (2nd ‘𝐵)⟩ ∈ P ∧ 𝑑 ∈ (2nd ‘𝐵)) → 𝑑 ∈ Q)
40	11, 39	sylan 283	. . . . . . . . . . . 12 ⊢ ((𝐵 ∈ P ∧ 𝑑 ∈ (2nd ‘𝐵)) → 𝑑 ∈ Q)
41	38, 40	anim12i 338	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ P ∧ 𝑐 ∈ (2nd ‘𝐴)) ∧ (𝐵 ∈ P ∧ 𝑑 ∈ (2nd ‘𝐵))) → (𝑐 ∈ Q ∧ 𝑑 ∈ Q))
42	41	an4s 596	. . . . . . . . . 10 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑐 ∈ (2nd ‘𝐴) ∧ 𝑑 ∈ (2nd ‘𝐵))) → (𝑐 ∈ Q ∧ 𝑑 ∈ Q))
43	2	caovcl 6244	. . . . . . . . . 10 ⊢ ((𝑐 ∈ Q ∧ 𝑑 ∈ Q) → (𝑐𝐺𝑑) ∈ Q)
44	42, 43	syl 14	. . . . . . . . 9 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑐 ∈ (2nd ‘𝐴) ∧ 𝑑 ∈ (2nd ‘𝐵))) → (𝑐𝐺𝑑) ∈ Q)
45		breq1 4133	. . . . . . . . . . 11 ⊢ (𝑞 = (𝑐𝐺𝑑) → (𝑞 <Q 𝑟 ↔ (𝑐𝐺𝑑) <Q 𝑟))
46		eleq1 2301	. . . . . . . . . . 11 ⊢ (𝑞 = (𝑐𝐺𝑑) → (𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)) ↔ (𝑐𝐺𝑑) ∈ (2nd ‘(𝐴𝐹𝐵))))
47	45, 46	anbi12d 477	. . . . . . . . . 10 ⊢ (𝑞 = (𝑐𝐺𝑑) → ((𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵))) ↔ ((𝑐𝐺𝑑) <Q 𝑟 ∧ (𝑐𝐺𝑑) ∈ (2nd ‘(𝐴𝐹𝐵)))))
48	47	adantl 277	. . . . . . . . 9 ⊢ ((((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑐 ∈ (2nd ‘𝐴) ∧ 𝑑 ∈ (2nd ‘𝐵))) ∧ 𝑞 = (𝑐𝐺𝑑)) → ((𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵))) ↔ ((𝑐𝐺𝑑) <Q 𝑟 ∧ (𝑐𝐺𝑑) ∈ (2nd ‘(𝐴𝐹𝐵)))))
49	44, 48	rspcedv 2933	. . . . . . . 8 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑐 ∈ (2nd ‘𝐴) ∧ 𝑑 ∈ (2nd ‘𝐵))) → (((𝑐𝐺𝑑) <Q 𝑟 ∧ (𝑐𝐺𝑑) ∈ (2nd ‘(𝐴𝐹𝐵))) → ∃𝑞 ∈ Q (𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)))))
50	36, 49	mpan2d 432	. . . . . . 7 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑐 ∈ (2nd ‘𝐴) ∧ 𝑑 ∈ (2nd ‘𝐵))) → ((𝑐𝐺𝑑) <Q 𝑟 → ∃𝑞 ∈ Q (𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)))))
51	50	rexlimdvva 2676	. . . . . 6 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q 𝑟 → ∃𝑞 ∈ Q (𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)))))
52	51	adantr 276	. . . . 5 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑟 ∈ Q ∧ 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)))) → (∃𝑐 ∈ (2nd ‘𝐴)∃𝑑 ∈ (2nd ‘𝐵)(𝑐𝐺𝑑) <Q 𝑟 → ∃𝑞 ∈ Q (𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)))))
53	34, 52	mpd 13	. . . 4 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝑟 ∈ Q ∧ 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)))) → ∃𝑞 ∈ Q (𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵))))
54	53	expr 375	. . 3 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ 𝑟 ∈ Q) → (𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)) → ∃𝑞 ∈ Q (𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)))))
55		genprndu.upper	. . . . . . . . . . 11 ⊢ ((((𝐴 ∈ P ∧ 𝑔 ∈ (2nd ‘𝐴)) ∧ (𝐵 ∈ P ∧ ℎ ∈ (2nd ‘𝐵))) ∧ 𝑥 ∈ Q) → ((𝑔𝐺ℎ) <Q 𝑥 → 𝑥 ∈ (2nd ‘(𝐴𝐹𝐵))))
56	1, 2, 55	genpcuu 7888	. . . . . . . . . 10 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)) → (𝑞 <Q 𝑥 → 𝑥 ∈ (2nd ‘(𝐴𝐹𝐵)))))
57	56	alrimdv 1929	. . . . . . . . 9 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)) → ∀𝑥(𝑞 <Q 𝑥 → 𝑥 ∈ (2nd ‘(𝐴𝐹𝐵)))))
58		breq2 4134	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑟 → (𝑞 <Q 𝑥 ↔ 𝑞 <Q 𝑟))
59		eleq1 2301	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑟 → (𝑥 ∈ (2nd ‘(𝐴𝐹𝐵)) ↔ 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵))))
60	58, 59	imbi12d 234	. . . . . . . . . 10 ⊢ (𝑥 = 𝑟 → ((𝑞 <Q 𝑥 → 𝑥 ∈ (2nd ‘(𝐴𝐹𝐵))) ↔ (𝑞 <Q 𝑟 → 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)))))
61	60	cbvalv 1973	. . . . . . . . 9 ⊢ (∀𝑥(𝑞 <Q 𝑥 → 𝑥 ∈ (2nd ‘(𝐴𝐹𝐵))) ↔ ∀𝑟(𝑞 <Q 𝑟 → 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵))))
62	57, 61	imbitrdi 161	. . . . . . . 8 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)) → ∀𝑟(𝑞 <Q 𝑟 → 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)))))
63		sp 1564	. . . . . . . 8 ⊢ (∀𝑟(𝑞 <Q 𝑟 → 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵))) → (𝑞 <Q 𝑟 → 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵))))
64	62, 63	syl6 33	. . . . . . 7 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)) → (𝑞 <Q 𝑟 → 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)))))
65	64	impd 254	. . . . . 6 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ((𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)) ∧ 𝑞 <Q 𝑟) → 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵))))
66	65	ancomsd 269	. . . . 5 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ((𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵))) → 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵))))
67	66	ad2antrr 492	. . . 4 ⊢ ((((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ 𝑟 ∈ Q) ∧ 𝑞 ∈ Q) → ((𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵))) → 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵))))
68	67	rexlimdva 2668	. . 3 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ 𝑟 ∈ Q) → (∃𝑞 ∈ Q (𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵))) → 𝑟 ∈ (2nd ‘(𝐴𝐹𝐵))))
69	54, 68	impbid 129	. 2 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ 𝑟 ∈ Q) → (𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)) ↔ ∃𝑞 ∈ Q (𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)))))
70	69	ralrimiva 2623	1 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ∀𝑟 ∈ Q (𝑟 ∈ (2nd ‘(𝐴𝐹𝐵)) ↔ ∃𝑞 ∈ Q (𝑞 <Q 𝑟 ∧ 𝑞 ∈ (2nd ‘(𝐴𝐹𝐵)))))

This proof depends on syntax axioms:   → wi 4   ∧ wa 104   ↔ wb 105   ∧ w3a 1009  ∀wal 1400   = wceq 1402  ∃wex 1545   ∈ wcel 2209  ∀wral 2528  ∃wrex 2529  {crab 2532  ⟨cop 3712   class class class wbr 4130  ‘cfv 5377  (class class class)co 6085   ∈ cmpo 6087  1^st c1st 6372  2^nd c2nd 6373  Qcnq 7648   <_Q cltq 7653  Pcnp 7659

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-coll 4246  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-iinf 4735

This proof depends on definitions:  df-bi 117  df-dc 847  df-3or 1010  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-ral 2533  df-rex 2534  df-reu 2535  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-int 3971  df-iun 4014  df-br 4131  df-opab 4193  df-mpt 4194  df-tr 4230  df-eprel 4434  df-id 4438  df-po 4441  df-iso 4442  df-iord 4511  df-on 4513  df-suc 4516  df-iom 4738  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-f1 5382  df-fo 5383  df-f1o 5384  df-fv 5385  df-ov 6088  df-oprab 6089  df-mpo 6090  df-1st 6374  df-2nd 6375  df-recs 6576  df-irdg 6641  df-oadd 6691  df-omul 6692  df-er 6807  df-ec 6809  df-qs 6813  df-ni 7672  df-mi 7674  df-lti 7675  df-enq 7715  df-nqqs 7716  df-ltnqqs 7721  df-inp 7834

This theorem is used by:  addclpr  7905  mulclpr  7940