cdlemh1 - Mathbox for Norm Megill

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Theorem cdlemh1 41872

Description: Part of proof of Lemma H of [Crawley] p. 118. (Contributed by NM, 17-Jun-2013.)

**Hypotheses**
Ref	Expression
cdlemh.b	⊢ 𝐵 = (Base‘𝐾)
cdlemh.l	⊢ ≤ = (le‘𝐾)
cdlemh.j	⊢ ∨ = (join‘𝐾)
cdlemh.m	⊢ ∧ = (meet‘𝐾)
cdlemh.a	⊢ 𝐴 = (Atoms‘𝐾)
cdlemh.h	⊢ 𝐻 = (LHyp‘𝐾)
cdlemh.t	⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
cdlemh.r	⊢ 𝑅 = ((trL‘𝐾)‘𝑊)
cdlemh.s	⊢ 𝑆 = ((𝑃 ∨ (𝑅‘𝐺)) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))

**Assertion**
Ref	Expression
cdlemh1	⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑆 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))

**Proof of Theorem cdlemh1**
Step	Hyp	Ref	Expression
1		cdlemh.s	. . 3 ⊢ 𝑆 = ((𝑃 ∨ (𝑅‘𝐺)) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))
2	1	oveq1i 7430	. 2 ⊢ (𝑆 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = (((𝑃 ∨ (𝑅‘𝐺)) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))
3		simp11l 1303	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → 𝐾 ∈ HL)
4		simp11 1222	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
5		simp13 1224	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → 𝐺 ∈ 𝑇)
6		simp12 1223	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → 𝐹 ∈ 𝑇)
7		simp3r 1221	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑅‘𝐹) ≠ (𝑅‘𝐺))
8	7	necomd 3011	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑅‘𝐺) ≠ (𝑅‘𝐹))
9		cdlemh.a	. . . . . 6 ⊢ 𝐴 = (Atoms‘𝐾)
10		cdlemh.h	. . . . . 6 ⊢ 𝐻 = (LHyp‘𝐾)
11		cdlemh.t	. . . . . 6 ⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
12		cdlemh.r	. . . . . 6 ⊢ 𝑅 = ((trL‘𝐾)‘𝑊)
13	9, 10, 11, 12	trlcocnvat 41781	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐺 ∈ 𝑇 ∧ 𝐹 ∈ 𝑇) ∧ (𝑅‘𝐺) ≠ (𝑅‘𝐹)) → (𝑅‘(𝐺 ∘ ^◡𝐹)) ∈ 𝐴)
14	4, 5, 6, 8, 13	syl121anc 1402	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑅‘(𝐺 ∘ ^◡𝐹)) ∈ 𝐴)
15	3	hllatd 40421	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → 𝐾 ∈ Lat)
16		simp2l 1218	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → 𝑃 ∈ 𝐴)
17		cdlemh.b	. . . . . . 7 ⊢ 𝐵 = (Base‘𝐾)
18	17, 9	atbase 40346	. . . . . 6 ⊢ (𝑃 ∈ 𝐴 → 𝑃 ∈ 𝐵)
19	16, 18	syl 18	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → 𝑃 ∈ 𝐵)
20	17, 10, 11, 12	trlcl 41221	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐺 ∈ 𝑇) → (𝑅‘𝐺) ∈ 𝐵)
21	4, 5, 20	syl2anc 596	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑅‘𝐺) ∈ 𝐵)
22		cdlemh.j	. . . . . 6 ⊢ ∨ = (join‘𝐾)
23	17, 22	latjcl 18613	. . . . 5 ⊢ ((𝐾 ∈ Lat ∧ 𝑃 ∈ 𝐵 ∧ (𝑅‘𝐺) ∈ 𝐵) → (𝑃 ∨ (𝑅‘𝐺)) ∈ 𝐵)
24	15, 19, 21, 23	syl3anc 1398	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑃 ∨ (𝑅‘𝐺)) ∈ 𝐵)
25		simp2r 1219	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → 𝑄 ∈ 𝐴)
26	17, 22, 9	hlatjcl 40424	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ 𝑄 ∈ 𝐴 ∧ (𝑅‘(𝐺 ∘ ^◡𝐹)) ∈ 𝐴) → (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∈ 𝐵)
27	3, 25, 14, 26	syl3anc 1398	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∈ 𝐵)
28		cdlemh.l	. . . . . 6 ⊢ ≤ = (le‘𝐾)
29	28, 22, 9	hlatlej2 40433	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ 𝑄 ∈ 𝐴 ∧ (𝑅‘(𝐺 ∘ ^◡𝐹)) ∈ 𝐴) → (𝑅‘(𝐺 ∘ ^◡𝐹)) ≤ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))
30	3, 25, 14, 29	syl3anc 1398	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑅‘(𝐺 ∘ ^◡𝐹)) ≤ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))
31		cdlemh.m	. . . . 5 ⊢ ∧ = (meet‘𝐾)
32	17, 28, 22, 31, 9	atmod4i1 40923	. . . 4 ⊢ ((𝐾 ∈ HL ∧ ((𝑅‘(𝐺 ∘ ^◡𝐹)) ∈ 𝐴 ∧ (𝑃 ∨ (𝑅‘𝐺)) ∈ 𝐵 ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∈ 𝐵) ∧ (𝑅‘(𝐺 ∘ ^◡𝐹)) ≤ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))) → (((𝑃 ∨ (𝑅‘𝐺)) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = (((𝑃 ∨ (𝑅‘𝐺)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
33	3, 14, 24, 27, 30, 32	syl131anc 1410	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (((𝑃 ∨ (𝑅‘𝐺)) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = (((𝑃 ∨ (𝑅‘𝐺)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
34	10, 11	ltrncnv 41203	. . . . . . . . 9 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇) → ^◡𝐹 ∈ 𝑇)
35	4, 6, 34	syl2anc 596	. . . . . . . 8 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → ^◡𝐹 ∈ 𝑇)
36	22, 10, 11, 12	trljco2 41798	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐺 ∈ 𝑇 ∧ ^◡𝐹 ∈ 𝑇) → ((𝑅‘𝐺) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = ((𝑅‘^◡𝐹) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))
37	4, 5, 35, 36	syl3anc 1398	. . . . . . 7 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → ((𝑅‘𝐺) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = ((𝑅‘^◡𝐹) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))
38	10, 11, 12	trlcnv 41222	. . . . . . . . 9 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇) → (𝑅‘^◡𝐹) = (𝑅‘𝐹))
39	4, 6, 38	syl2anc 596	. . . . . . . 8 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑅‘^◡𝐹) = (𝑅‘𝐹))
40	39	oveq1d 7435	. . . . . . 7 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → ((𝑅‘^◡𝐹) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = ((𝑅‘𝐹) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))
41	37, 40	eqtrd 2796	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → ((𝑅‘𝐺) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = ((𝑅‘𝐹) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))
42	41	oveq2d 7436	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑃 ∨ ((𝑅‘𝐺) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))) = (𝑃 ∨ ((𝑅‘𝐹) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
43	10, 11	ltrnco 41776	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐺 ∈ 𝑇 ∧ ^◡𝐹 ∈ 𝑇) → (𝐺 ∘ ^◡𝐹) ∈ 𝑇)
44	4, 5, 35, 43	syl3anc 1398	. . . . . . 7 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝐺 ∘ ^◡𝐹) ∈ 𝑇)
45	17, 10, 11, 12	trlcl 41221	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐺 ∘ ^◡𝐹) ∈ 𝑇) → (𝑅‘(𝐺 ∘ ^◡𝐹)) ∈ 𝐵)
46	4, 44, 45	syl2anc 596	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑅‘(𝐺 ∘ ^◡𝐹)) ∈ 𝐵)
47	17, 22	latjass 18657	. . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ (𝑃 ∈ 𝐵 ∧ (𝑅‘𝐺) ∈ 𝐵 ∧ (𝑅‘(𝐺 ∘ ^◡𝐹)) ∈ 𝐵)) → ((𝑃 ∨ (𝑅‘𝐺)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = (𝑃 ∨ ((𝑅‘𝐺) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
48	15, 19, 21, 46, 47	syl13anc 1399	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → ((𝑃 ∨ (𝑅‘𝐺)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = (𝑃 ∨ ((𝑅‘𝐺) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
49	17, 10, 11, 12	trlcl 41221	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇) → (𝑅‘𝐹) ∈ 𝐵)
50	4, 6, 49	syl2anc 596	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑅‘𝐹) ∈ 𝐵)
51	17, 22	latjass 18657	. . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ (𝑃 ∈ 𝐵 ∧ (𝑅‘𝐹) ∈ 𝐵 ∧ (𝑅‘(𝐺 ∘ ^◡𝐹)) ∈ 𝐵)) → ((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = (𝑃 ∨ ((𝑅‘𝐹) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
52	15, 19, 50, 46, 51	syl13anc 1399	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → ((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = (𝑃 ∨ ((𝑅‘𝐹) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
53	42, 48, 52	3eqtr4d 2806	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → ((𝑃 ∨ (𝑅‘𝐺)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = ((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))
54	53	oveq1d 7435	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (((𝑃 ∨ (𝑅‘𝐺)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))) = (((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
55		simp3l 1220	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → 𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)))
56	17, 9	atbase 40346	. . . . . . 7 ⊢ (𝑄 ∈ 𝐴 → 𝑄 ∈ 𝐵)
57	25, 56	syl 18	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → 𝑄 ∈ 𝐵)
58	17, 22	latjcl 18613	. . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ 𝑃 ∈ 𝐵 ∧ (𝑅‘𝐹) ∈ 𝐵) → (𝑃 ∨ (𝑅‘𝐹)) ∈ 𝐵)
59	15, 19, 50, 58	syl3anc 1398	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑃 ∨ (𝑅‘𝐹)) ∈ 𝐵)
60	17, 28, 22	latjlej1 18627	. . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ (𝑄 ∈ 𝐵 ∧ (𝑃 ∨ (𝑅‘𝐹)) ∈ 𝐵 ∧ (𝑅‘(𝐺 ∘ ^◡𝐹)) ∈ 𝐵)) → (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) → (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ≤ ((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
61	15, 57, 59, 46, 60	syl13anc 1399	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) → (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ≤ ((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
62	55, 61	mpd 16	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ≤ ((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))
63	17, 22	latjcl 18613	. . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ (𝑃 ∨ (𝑅‘𝐹)) ∈ 𝐵 ∧ (𝑅‘(𝐺 ∘ ^◡𝐹)) ∈ 𝐵) → ((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∈ 𝐵)
64	15, 59, 46, 63	syl3anc 1398	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → ((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∈ 𝐵)
65	17, 28, 31	latleeqm2 18642	. . . . 5 ⊢ ((𝐾 ∈ Lat ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∈ 𝐵 ∧ ((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∈ 𝐵) → ((𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ≤ ((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ↔ (((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))) = (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
66	15, 27, 64, 65	syl3anc 1398	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → ((𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ≤ ((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ↔ (((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))) = (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))))
67	62, 66	mpbid 235	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (((𝑃 ∨ (𝑅‘𝐹)) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))) = (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))
68	33, 54, 67	3eqtrd 2800	. 2 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (((𝑃 ∨ (𝑅‘𝐺)) ∧ (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹)))) ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))
69	2, 68	eqtrid 2808	1 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑄 ≤ (𝑃 ∨ (𝑅‘𝐹)) ∧ (𝑅‘𝐹) ≠ (𝑅‘𝐺))) → (𝑆 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))) = (𝑄 ∨ (𝑅‘(𝐺 ∘ ^◡𝐹))))

Colors of variables: wff setvar class

This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ≠ wne 2956 class class class wbr 5103 ^◡ccnv 5650 ∘ ccom 5655 ‘cfv 6538 (class class class)co 7420 Basecbs 17387 lecple 17435 joincjn 18485 meetcmee 18486 Latclat 18605 Atomscatm 40320 HLchlt 40407 LHypclh 41041 LTrncltrn 41158 trLctrl 41215

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 ax-riotaBAD 40010

This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-iin 4954 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-1st 8001 df-2nd 8002 df-undef 8290 df-map 8849 df-proset 18468 df-poset 18487 df-plt 18502 df-lub 18518 df-glb 18519 df-join 18520 df-meet 18521 df-p0 18597 df-p1 18598 df-lat 18606 df-clat 18673 df-oposet 40233 df-ol 40235 df-oml 40236 df-covers 40323 df-ats 40324 df-atl 40355 df-cvlat 40379 df-hlat 40408 df-llines 40555 df-lplanes 40556 df-lvols 40557 df-lines 40558 df-psubsp 40560 df-pmap 40561 df-padd 40853 df-lhyp 41045 df-laut 41046 df-ldil 41161 df-ltrn 41162 df-trl 41216

This theorem is used by: cdlemh 41874

W3C validator