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Theorem pmodlem1 38415

Description: Lemma for pmod1i 38417. (Contributed by NM, 9-Mar-2012.)

**Hypotheses**
Ref	Expression
pmodlem.l	⊢ ≤ = (le‘𝐾)
pmodlem.j	⊢ ∨ = (join‘𝐾)
pmodlem.a	⊢ 𝐴 = (Atoms‘𝐾)
pmodlem.s	⊢ 𝑆 = (PSubSp‘𝐾)
pmodlem.p	⊢ + = (+_𝑃‘𝐾)

**Assertion**
Ref	Expression
pmodlem1	⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) → 𝑝 ∈ (𝑋 + (𝑌 ∩ 𝑍)))

Distinct variable groups: 𝑞,𝑝,𝑟,𝐴 ∨ ,𝑞,𝑟 𝐾,𝑝,𝑞,𝑟 ≤ ,𝑞,𝑟 + ,𝑝,𝑞,𝑟 𝑆,𝑝,𝑞,𝑟 𝑋,𝑝,𝑞,𝑟 𝑌,𝑝,𝑞,𝑟 𝑍,𝑝,𝑞,𝑟 Allowed substitution hints: ∨ (𝑝) ≤ (𝑝)

**Proof of Theorem pmodlem1**
Step	Hyp	Ref	Expression
1		simpl11 1248	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 = 𝑞) → 𝐾 ∈ HL)
2		simpl12 1249	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 = 𝑞) → 𝑋 ⊆ 𝐴)
3		simpl13 1250	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 = 𝑞) → 𝑌 ⊆ 𝐴)
4		ssinss1 4217	. . . . 5 ⊢ (𝑌 ⊆ 𝐴 → (𝑌 ∩ 𝑍) ⊆ 𝐴)
5	3, 4	syl 17	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 = 𝑞) → (𝑌 ∩ 𝑍) ⊆ 𝐴)
6		pmodlem.a	. . . . 5 ⊢ 𝐴 = (Atoms‘𝐾)
7		pmodlem.p	. . . . 5 ⊢ + = (+_𝑃‘𝐾)
8	6, 7	sspadd1 38384	. . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ (𝑌 ∩ 𝑍) ⊆ 𝐴) → 𝑋 ⊆ (𝑋 + (𝑌 ∩ 𝑍)))
9	1, 2, 5, 8	syl3anc 1371	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 = 𝑞) → 𝑋 ⊆ (𝑋 + (𝑌 ∩ 𝑍)))
10		simpr 485	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 = 𝑞) → 𝑝 = 𝑞)
11		simpl31 1254	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 = 𝑞) → 𝑞 ∈ 𝑋)
12	10, 11	eqeltrd 2832	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 = 𝑞) → 𝑝 ∈ 𝑋)
13	9, 12	sseldd 3963	. 2 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 = 𝑞) → 𝑝 ∈ (𝑋 + (𝑌 ∩ 𝑍)))
14		simpl11 1248	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝐾 ∈ HL)
15	14	hllatd 37932	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝐾 ∈ Lat)
16		simpl12 1249	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑋 ⊆ 𝐴)
17		simpl13 1250	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑌 ⊆ 𝐴)
18	17, 4	syl 17	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → (𝑌 ∩ 𝑍) ⊆ 𝐴)
19		simpl31 1254	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑞 ∈ 𝑋)
20		simpl32 1255	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑟 ∈ 𝑌)
21		simpl21 1251	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑍 ∈ 𝑆)
22		simpl22 1252	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑋 ⊆ 𝑍)
23		simpl23 1253	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑝 ∈ 𝑍)
24		pmodlem.s	. . . . . . . . . 10 ⊢ 𝑆 = (PSubSp‘𝐾)
25	6, 24	psubssat 38323	. . . . . . . . 9 ⊢ ((𝐾 ∈ HL ∧ 𝑍 ∈ 𝑆) → 𝑍 ⊆ 𝐴)
26	14, 21, 25	syl2anc 584	. . . . . . . 8 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑍 ⊆ 𝐴)
27	26, 23	sseldd 3963	. . . . . . 7 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑝 ∈ 𝐴)
28	17, 20	sseldd 3963	. . . . . . 7 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑟 ∈ 𝐴)
29	16, 19	sseldd 3963	. . . . . . 7 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑞 ∈ 𝐴)
30	27, 28, 29	3jca 1128	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → (𝑝 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴))
31		simpr 485	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑝 ≠ 𝑞)
32		simpl33 1256	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑝 ≤ (𝑞 ∨ 𝑟))
33		pmodlem.l	. . . . . . . 8 ⊢ ≤ = (le‘𝐾)
34		pmodlem.j	. . . . . . . 8 ⊢ ∨ = (join‘𝐾)
35	33, 34, 6	hlatexch1 37964	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ (𝑝 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴) ∧ 𝑝 ≠ 𝑞) → (𝑝 ≤ (𝑞 ∨ 𝑟) → 𝑟 ≤ (𝑞 ∨ 𝑝)))
36	35	imp 407	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ (𝑝 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴) ∧ 𝑝 ≠ 𝑞) ∧ 𝑝 ≤ (𝑞 ∨ 𝑟)) → 𝑟 ≤ (𝑞 ∨ 𝑝))
37	14, 30, 31, 32, 36	syl31anc 1373	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑟 ≤ (𝑞 ∨ 𝑝))
38		simp31 1209	. . . . . . . . 9 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑞 ∈ 𝑋)
39	38	snssd 4789	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → {𝑞} ⊆ 𝑋)
40		simp22 1207	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑋 ⊆ 𝑍)
41	39, 40	sstrd 3972	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → {𝑞} ⊆ 𝑍)
42		simp23 1208	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑝 ∈ 𝑍)
43	42	snssd 4789	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → {𝑝} ⊆ 𝑍)
44		simp11 1203	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝐾 ∈ HL)
45		simp12 1204	. . . . . . . . . 10 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑋 ⊆ 𝐴)
46	45, 38	sseldd 3963	. . . . . . . . 9 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑞 ∈ 𝐴)
47	46	snssd 4789	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → {𝑞} ⊆ 𝐴)
48		simp21 1206	. . . . . . . . . . 11 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑍 ∈ 𝑆)
49	44, 48, 25	syl2anc 584	. . . . . . . . . 10 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑍 ⊆ 𝐴)
50	49, 42	sseldd 3963	. . . . . . . . 9 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑝 ∈ 𝐴)
51	50	snssd 4789	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → {𝑝} ⊆ 𝐴)
52	6, 24, 7	paddss 38414	. . . . . . . 8 ⊢ ((𝐾 ∈ HL ∧ ({𝑞} ⊆ 𝐴 ∧ {𝑝} ⊆ 𝐴 ∧ 𝑍 ∈ 𝑆)) → (({𝑞} ⊆ 𝑍 ∧ {𝑝} ⊆ 𝑍) ↔ ({𝑞} + {𝑝}) ⊆ 𝑍))
53	44, 47, 51, 48, 52	syl13anc 1372	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → (({𝑞} ⊆ 𝑍 ∧ {𝑝} ⊆ 𝑍) ↔ ({𝑞} + {𝑝}) ⊆ 𝑍))
54	41, 43, 53	mpbi2and 710	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → ({𝑞} + {𝑝}) ⊆ 𝑍)
55		simp33 1211	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑟 ≤ (𝑞 ∨ 𝑝))
56	44	hllatd 37932	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝐾 ∈ Lat)
57		simp13 1205	. . . . . . . . 9 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑌 ⊆ 𝐴)
58		simp32 1210	. . . . . . . . 9 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑟 ∈ 𝑌)
59	57, 58	sseldd 3963	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑟 ∈ 𝐴)
60	33, 34, 6, 7	elpadd2at2 38376	. . . . . . . 8 ⊢ ((𝐾 ∈ Lat ∧ (𝑞 ∈ 𝐴 ∧ 𝑝 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴)) → (𝑟 ∈ ({𝑞} + {𝑝}) ↔ 𝑟 ≤ (𝑞 ∨ 𝑝)))
61	56, 46, 50, 59, 60	syl13anc 1372	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → (𝑟 ∈ ({𝑞} + {𝑝}) ↔ 𝑟 ≤ (𝑞 ∨ 𝑝)))
62	55, 61	mpbird 256	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑟 ∈ ({𝑞} + {𝑝}))
63	54, 62	sseldd 3963	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑟 ≤ (𝑞 ∨ 𝑝))) → 𝑟 ∈ 𝑍)
64	14, 16, 17, 21, 22, 23, 19, 20, 37, 63	syl333anc 1402	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑟 ∈ 𝑍)
65	20, 64	elind 4174	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑟 ∈ (𝑌 ∩ 𝑍))
66	33, 34, 6, 7	elpaddri 38371	. . 3 ⊢ (((𝐾 ∈ Lat ∧ 𝑋 ⊆ 𝐴 ∧ (𝑌 ∩ 𝑍) ⊆ 𝐴) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ (𝑌 ∩ 𝑍)) ∧ (𝑝 ∈ 𝐴 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) → 𝑝 ∈ (𝑋 + (𝑌 ∩ 𝑍)))
67	15, 16, 18, 19, 65, 27, 32, 66	syl322anc 1398	. 2 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) ∧ 𝑝 ≠ 𝑞) → 𝑝 ∈ (𝑋 + (𝑌 ∩ 𝑍)))
68	13, 67	pm2.61dane 3028	1 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑍 ∈ 𝑆 ∧ 𝑋 ⊆ 𝑍 ∧ 𝑝 ∈ 𝑍) ∧ (𝑞 ∈ 𝑋 ∧ 𝑟 ∈ 𝑌 ∧ 𝑝 ≤ (𝑞 ∨ 𝑟))) → 𝑝 ∈ (𝑋 + (𝑌 ∩ 𝑍)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 ∧ w3a 1087 = wceq 1541 ∈ wcel 2106 ≠ wne 2939 ∩ cin 3927 ⊆ wss 3928 {csn 4606 class class class wbr 5125 ‘cfv 6516 (class class class)co 7377 lecple 17169 joincjn 18229 Latclat 18349 Atomscatm 37831 HLchlt 37918 PSubSpcpsubsp 38065 +_𝑃cpadd 38364

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 2702 ax-rep 5262 ax-sep 5276 ax-nul 5283 ax-pow 5340 ax-pr 5404 ax-un 7692

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-ral 3061 df-rex 3070 df-reu 3365 df-rab 3419 df-v 3461 df-sbc 3758 df-csb 3874 df-dif 3931 df-un 3933 df-in 3935 df-ss 3945 df-nul 4303 df-if 4507 df-pw 4582 df-sn 4607 df-pr 4609 df-op 4613 df-uni 4886 df-iun 4976 df-br 5126 df-opab 5188 df-mpt 5209 df-id 5551 df-xp 5659 df-rel 5660 df-cnv 5661 df-co 5662 df-dm 5663 df-rn 5664 df-res 5665 df-ima 5666 df-iota 6468 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-riota 7333 df-ov 7380 df-oprab 7381 df-mpo 7382 df-1st 7941 df-2nd 7942 df-proset 18213 df-poset 18231 df-plt 18248 df-lub 18264 df-glb 18265 df-join 18266 df-meet 18267 df-p0 18343 df-lat 18350 df-covers 37834 df-ats 37835 df-atl 37866 df-cvlat 37890 df-hlat 37919 df-psubsp 38072 df-padd 38365

This theorem is referenced by: pmodlem2 38416

W3C validator