Theorem ltexprlemfu 7640

Description: Lemma for ltexpri 7642. One direction of our result for upper cuts. (Contributed by Jim Kingdon, 17-Dec-2019.)

Hypothesis

Ref	Expression
ltexprlem.1	⊢ 𝐶 = ⟨{𝑥 ∈ Q ∣ ∃𝑦(𝑦 ∈ (2nd ‘𝐴) ∧ (𝑦 +Q 𝑥) ∈ (1st ‘𝐵))}, {𝑥 ∈ Q ∣ ∃𝑦(𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑥) ∈ (2nd ‘𝐵))}⟩

Assertion

Ref	Expression
ltexprlemfu	⊢ (𝐴<P 𝐵 → (2nd ‘(𝐴 +P 𝐶)) ⊆ (2nd ‘𝐵))

Distinct variable groups:   𝑥,𝑦,𝐴   𝑥,𝐵,𝑦   𝑥,𝐶,𝑦

Proof of Theorem ltexprlemfu

Dummy variables 𝑧 𝑤 𝑢 𝑓 𝑔 ℎ are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ltrelpr 7534	. . . . . 6 ⊢ <P ⊆ (P × P)
2	1	brel 4696	. . . . 5 ⊢ (𝐴<P 𝐵 → (𝐴 ∈ P ∧ 𝐵 ∈ P))
3	2	simpld 112	. . . 4 ⊢ (𝐴<P 𝐵 → 𝐴 ∈ P)
4		ltexprlem.1	. . . . 5 ⊢ 𝐶 = ⟨{𝑥 ∈ Q ∣ ∃𝑦(𝑦 ∈ (2nd ‘𝐴) ∧ (𝑦 +Q 𝑥) ∈ (1st ‘𝐵))}, {𝑥 ∈ Q ∣ ∃𝑦(𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑥) ∈ (2nd ‘𝐵))}⟩
5	4	ltexprlempr 7637	. . . 4 ⊢ (𝐴<P 𝐵 → 𝐶 ∈ P)
6		df-iplp 7497	. . . . 5 ⊢ +P = (𝑧 ∈ P, 𝑦 ∈ P ↦ ⟨{𝑓 ∈ Q ∣ ∃𝑔 ∈ Q ∃ℎ ∈ Q (𝑔 ∈ (1st ‘𝑧) ∧ ℎ ∈ (1st ‘𝑦) ∧ 𝑓 = (𝑔 +Q ℎ))}, {𝑓 ∈ Q ∣ ∃𝑔 ∈ Q ∃ℎ ∈ Q (𝑔 ∈ (2nd ‘𝑧) ∧ ℎ ∈ (2nd ‘𝑦) ∧ 𝑓 = (𝑔 +Q ℎ))}⟩)
7		addclnq 7404	. . . . 5 ⊢ ((𝑔 ∈ Q ∧ ℎ ∈ Q) → (𝑔 +Q ℎ) ∈ Q)
8	6, 7	genpelvu 7542	. . . 4 ⊢ ((𝐴 ∈ P ∧ 𝐶 ∈ P) → (𝑧 ∈ (2nd ‘(𝐴 +P 𝐶)) ↔ ∃𝑤 ∈ (2nd ‘𝐴)∃𝑢 ∈ (2nd ‘𝐶)𝑧 = (𝑤 +Q 𝑢)))
9	3, 5, 8	syl2anc 411	. . 3 ⊢ (𝐴<P 𝐵 → (𝑧 ∈ (2nd ‘(𝐴 +P 𝐶)) ↔ ∃𝑤 ∈ (2nd ‘𝐴)∃𝑢 ∈ (2nd ‘𝐶)𝑧 = (𝑤 +Q 𝑢)))
10		simprr 531	. . . . . 6 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢))) → 𝑧 = (𝑤 +Q 𝑢))
11	4	ltexprlemelu 7628	. . . . . . . . . . 11 ⊢ (𝑢 ∈ (2nd ‘𝐶) ↔ (𝑢 ∈ Q ∧ ∃𝑦(𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))))
12	11	biimpi 120	. . . . . . . . . 10 ⊢ (𝑢 ∈ (2nd ‘𝐶) → (𝑢 ∈ Q ∧ ∃𝑦(𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))))
13	12	ad2antlr 489	. . . . . . . . 9 ⊢ (((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) → (𝑢 ∈ Q ∧ ∃𝑦(𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))))
14	13	simprd 114	. . . . . . . 8 ⊢ (((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) → ∃𝑦(𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵)))
15	14	adantl 277	. . . . . . 7 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢))) → ∃𝑦(𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵)))
16		prop 7504	. . . . . . . . . . . . . . 15 ⊢ (𝐴 ∈ P → ⟨(1st ‘𝐴), (2nd ‘𝐴)⟩ ∈ P)
17	3, 16	syl 14	. . . . . . . . . . . . . 14 ⊢ (𝐴<P 𝐵 → ⟨(1st ‘𝐴), (2nd ‘𝐴)⟩ ∈ P)
18		prltlu 7516	. . . . . . . . . . . . . 14 ⊢ ((⟨(1st ‘𝐴), (2nd ‘𝐴)⟩ ∈ P ∧ 𝑦 ∈ (1st ‘𝐴) ∧ 𝑤 ∈ (2nd ‘𝐴)) → 𝑦 <Q 𝑤)
19	17, 18	syl3an1 1282	. . . . . . . . . . . . 13 ⊢ ((𝐴<P 𝐵 ∧ 𝑦 ∈ (1st ‘𝐴) ∧ 𝑤 ∈ (2nd ‘𝐴)) → 𝑦 <Q 𝑤)
20	19	3com23 1211	. . . . . . . . . . . 12 ⊢ ((𝐴<P 𝐵 ∧ 𝑤 ∈ (2nd ‘𝐴) ∧ 𝑦 ∈ (1st ‘𝐴)) → 𝑦 <Q 𝑤)
21	20	3adant2r 1235	. . . . . . . . . . 11 ⊢ ((𝐴<P 𝐵 ∧ (𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑦 ∈ (1st ‘𝐴)) → 𝑦 <Q 𝑤)
22	21	3adant2r 1235	. . . . . . . . . 10 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) ∧ 𝑦 ∈ (1st ‘𝐴)) → 𝑦 <Q 𝑤)
23	22	3adant3r 1237	. . . . . . . . 9 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) → 𝑦 <Q 𝑤)
24		ltanqg 7429	. . . . . . . . . . . 12 ⊢ ((𝑓 ∈ Q ∧ 𝑔 ∈ Q ∧ ℎ ∈ Q) → (𝑓 <Q 𝑔 ↔ (ℎ +Q 𝑓) <Q (ℎ +Q 𝑔)))
25	24	adantl 277	. . . . . . . . . . 11 ⊢ (((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) ∧ (𝑓 ∈ Q ∧ 𝑔 ∈ Q ∧ ℎ ∈ Q)) → (𝑓 <Q 𝑔 ↔ (ℎ +Q 𝑓) <Q (ℎ +Q 𝑔)))
26		elprnql 7510	. . . . . . . . . . . . . 14 ⊢ ((⟨(1st ‘𝐴), (2nd ‘𝐴)⟩ ∈ P ∧ 𝑦 ∈ (1st ‘𝐴)) → 𝑦 ∈ Q)
27	17, 26	sylan 283	. . . . . . . . . . . . 13 ⊢ ((𝐴<P 𝐵 ∧ 𝑦 ∈ (1st ‘𝐴)) → 𝑦 ∈ Q)
28	27	adantrr 479	. . . . . . . . . . . 12 ⊢ ((𝐴<P 𝐵 ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) → 𝑦 ∈ Q)
29	28	3adant2 1018	. . . . . . . . . . 11 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) → 𝑦 ∈ Q)
30		elprnqu 7511	. . . . . . . . . . . . . . 15 ⊢ ((⟨(1st ‘𝐴), (2nd ‘𝐴)⟩ ∈ P ∧ 𝑤 ∈ (2nd ‘𝐴)) → 𝑤 ∈ Q)
31	17, 30	sylan 283	. . . . . . . . . . . . . 14 ⊢ ((𝐴<P 𝐵 ∧ 𝑤 ∈ (2nd ‘𝐴)) → 𝑤 ∈ Q)
32	31	adantrr 479	. . . . . . . . . . . . 13 ⊢ ((𝐴<P 𝐵 ∧ (𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶))) → 𝑤 ∈ Q)
33	32	adantrr 479	. . . . . . . . . . . 12 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢))) → 𝑤 ∈ Q)
34	33	3adant3 1019	. . . . . . . . . . 11 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) → 𝑤 ∈ Q)
35		prop 7504	. . . . . . . . . . . . . . . 16 ⊢ (𝐶 ∈ P → ⟨(1st ‘𝐶), (2nd ‘𝐶)⟩ ∈ P)
36	5, 35	syl 14	. . . . . . . . . . . . . . 15 ⊢ (𝐴<P 𝐵 → ⟨(1st ‘𝐶), (2nd ‘𝐶)⟩ ∈ P)
37		elprnqu 7511	. . . . . . . . . . . . . . 15 ⊢ ((⟨(1st ‘𝐶), (2nd ‘𝐶)⟩ ∈ P ∧ 𝑢 ∈ (2nd ‘𝐶)) → 𝑢 ∈ Q)
38	36, 37	sylan 283	. . . . . . . . . . . . . 14 ⊢ ((𝐴<P 𝐵 ∧ 𝑢 ∈ (2nd ‘𝐶)) → 𝑢 ∈ Q)
39	38	adantrl 478	. . . . . . . . . . . . 13 ⊢ ((𝐴<P 𝐵 ∧ (𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶))) → 𝑢 ∈ Q)
40	39	adantrr 479	. . . . . . . . . . . 12 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢))) → 𝑢 ∈ Q)
41	40	3adant3 1019	. . . . . . . . . . 11 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) → 𝑢 ∈ Q)
42		addcomnqg 7410	. . . . . . . . . . . 12 ⊢ ((𝑓 ∈ Q ∧ 𝑔 ∈ Q) → (𝑓 +Q 𝑔) = (𝑔 +Q 𝑓))
43	42	adantl 277	. . . . . . . . . . 11 ⊢ (((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) ∧ (𝑓 ∈ Q ∧ 𝑔 ∈ Q)) → (𝑓 +Q 𝑔) = (𝑔 +Q 𝑓))
44	25, 29, 34, 41, 43	caovord2d 6066	. . . . . . . . . 10 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) → (𝑦 <Q 𝑤 ↔ (𝑦 +Q 𝑢) <Q (𝑤 +Q 𝑢)))
45	2	simprd 114	. . . . . . . . . . . . . 14 ⊢ (𝐴<P 𝐵 → 𝐵 ∈ P)
46		prop 7504	. . . . . . . . . . . . . 14 ⊢ (𝐵 ∈ P → ⟨(1st ‘𝐵), (2nd ‘𝐵)⟩ ∈ P)
47	45, 46	syl 14	. . . . . . . . . . . . 13 ⊢ (𝐴<P 𝐵 → ⟨(1st ‘𝐵), (2nd ‘𝐵)⟩ ∈ P)
48		prcunqu 7514	. . . . . . . . . . . . 13 ⊢ ((⟨(1st ‘𝐵), (2nd ‘𝐵)⟩ ∈ P ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵)) → ((𝑦 +Q 𝑢) <Q (𝑤 +Q 𝑢) → (𝑤 +Q 𝑢) ∈ (2nd ‘𝐵)))
49	47, 48	sylan 283	. . . . . . . . . . . 12 ⊢ ((𝐴<P 𝐵 ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵)) → ((𝑦 +Q 𝑢) <Q (𝑤 +Q 𝑢) → (𝑤 +Q 𝑢) ∈ (2nd ‘𝐵)))
50	49	adantrl 478	. . . . . . . . . . 11 ⊢ ((𝐴<P 𝐵 ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) → ((𝑦 +Q 𝑢) <Q (𝑤 +Q 𝑢) → (𝑤 +Q 𝑢) ∈ (2nd ‘𝐵)))
51	50	3adant2 1018	. . . . . . . . . 10 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) → ((𝑦 +Q 𝑢) <Q (𝑤 +Q 𝑢) → (𝑤 +Q 𝑢) ∈ (2nd ‘𝐵)))
52	44, 51	sylbid 150	. . . . . . . . 9 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) → (𝑦 <Q 𝑤 → (𝑤 +Q 𝑢) ∈ (2nd ‘𝐵)))
53	23, 52	mpd 13	. . . . . . . 8 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢)) ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) → (𝑤 +Q 𝑢) ∈ (2nd ‘𝐵))
54	53	3expa 1205	. . . . . . 7 ⊢ (((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢))) ∧ (𝑦 ∈ (1st ‘𝐴) ∧ (𝑦 +Q 𝑢) ∈ (2nd ‘𝐵))) → (𝑤 +Q 𝑢) ∈ (2nd ‘𝐵))
55	15, 54	exlimddv 1910	. . . . . 6 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢))) → (𝑤 +Q 𝑢) ∈ (2nd ‘𝐵))
56	10, 55	eqeltrd 2266	. . . . 5 ⊢ ((𝐴<P 𝐵 ∧ ((𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶)) ∧ 𝑧 = (𝑤 +Q 𝑢))) → 𝑧 ∈ (2nd ‘𝐵))
57	56	expr 375	. . . 4 ⊢ ((𝐴<P 𝐵 ∧ (𝑤 ∈ (2nd ‘𝐴) ∧ 𝑢 ∈ (2nd ‘𝐶))) → (𝑧 = (𝑤 +Q 𝑢) → 𝑧 ∈ (2nd ‘𝐵)))
58	57	rexlimdvva 2615	. . 3 ⊢ (𝐴<P 𝐵 → (∃𝑤 ∈ (2nd ‘𝐴)∃𝑢 ∈ (2nd ‘𝐶)𝑧 = (𝑤 +Q 𝑢) → 𝑧 ∈ (2nd ‘𝐵)))
59	9, 58	sylbid 150	. 2 ⊢ (𝐴<P 𝐵 → (𝑧 ∈ (2nd ‘(𝐴 +P 𝐶)) → 𝑧 ∈ (2nd ‘𝐵)))
60	59	ssrdv 3176	1 ⊢ (𝐴<P 𝐵 → (2nd ‘(𝐴 +P 𝐶)) ⊆ (2nd ‘𝐵))

Syntax hints:   → wi 4   ∧ wa 104   ↔ wb 105   ∧ w3a 980   = wceq 1364  ∃wex 1503   ∈ wcel 2160  ∃wrex 2469  {crab 2472   ⊆ wss 3144  ⟨cop 3610   class class class wbr 4018  ‘cfv 5235  (class class class)co 5896  1^st c1st 6163  2^nd c2nd 6164  Qcnq 7309   +_Q cplq 7311   <_Q cltq 7314  Pcnp 7320   +_P cpp 7322  <_P cltp 7324

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 615  ax-in2 616  ax-io 710  ax-5 1458  ax-7 1459  ax-gen 1460  ax-ie1 1504  ax-ie2 1505  ax-8 1515  ax-10 1516  ax-11 1517  ax-i12 1518  ax-bndl 1520  ax-4 1521  ax-17 1537  ax-i9 1541  ax-ial 1545  ax-i5r 1546  ax-13 2162  ax-14 2163  ax-ext 2171  ax-coll 4133  ax-sep 4136  ax-nul 4144  ax-pow 4192  ax-pr 4227  ax-un 4451  ax-setind 4554  ax-iinf 4605

This theorem depends on definitions:  df-bi 117  df-dc 836  df-3or 981  df-3an 982  df-tru 1367  df-fal 1370  df-nf 1472  df-sb 1774  df-eu 2041  df-mo 2042  df-clab 2176  df-cleq 2182  df-clel 2185  df-nfc 2321  df-ne 2361  df-ral 2473  df-rex 2474  df-reu 2475  df-rab 2477  df-v 2754  df-sbc 2978  df-csb 3073  df-dif 3146  df-un 3148  df-in 3150  df-ss 3157  df-nul 3438  df-pw 3592  df-sn 3613  df-pr 3614  df-op 3616  df-uni 3825  df-int 3860  df-iun 3903  df-br 4019  df-opab 4080  df-mpt 4081  df-tr 4117  df-eprel 4307  df-id 4311  df-po 4314  df-iso 4315  df-iord 4384  df-on 4386  df-suc 4389  df-iom 4608  df-xp 4650  df-rel 4651  df-cnv 4652  df-co 4653  df-dm 4654  df-rn 4655  df-res 4656  df-ima 4657  df-iota 5196  df-fun 5237  df-fn 5238  df-f 5239  df-f1 5240  df-fo 5241  df-f1o 5242  df-fv 5243  df-ov 5899  df-oprab 5900  df-mpo 5901  df-1st 6165  df-2nd 6166  df-recs 6330  df-irdg 6395  df-1o 6441  df-2o 6442  df-oadd 6445  df-omul 6446  df-er 6559  df-ec 6561  df-qs 6565  df-ni 7333  df-pli 7334  df-mi 7335  df-lti 7336  df-plpq 7373  df-mpq 7374  df-enq 7376  df-nqqs 7377  df-plqqs 7378  df-mqqs 7379  df-1nqqs 7380  df-rq 7381  df-ltnqqs 7382  df-enq0 7453  df-nq0 7454  df-0nq0 7455  df-plq0 7456  df-mq0 7457  df-inp 7495  df-iplp 7497  df-iltp 7499

This theorem is referenced by:  ltexpri  7642