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Theorem 4noncolr3 37945
Description: A way to express 4 non-colinear atoms (rotated right 3 places). (Contributed by NM, 11-Jul-2012.)
Hypotheses
Ref Expression
3noncol.l ≀ = (leβ€˜πΎ)
3noncol.j ∨ = (joinβ€˜πΎ)
3noncol.a 𝐴 = (Atomsβ€˜πΎ)
Assertion
Ref Expression
4noncolr3 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑄 β‰  𝑅 ∧ Β¬ 𝑆 ≀ (𝑄 ∨ 𝑅) ∧ Β¬ 𝑃 ≀ ((𝑄 ∨ 𝑅) ∨ 𝑆)))

Proof of Theorem 4noncolr3
StepHypRef Expression
1 simp11 1204 . . . . 5 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝐾 ∈ HL)
21hllatd 37855 . . . 4 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝐾 ∈ Lat)
3 simp2l 1200 . . . . 5 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝑅 ∈ 𝐴)
4 eqid 2737 . . . . . 6 (Baseβ€˜πΎ) = (Baseβ€˜πΎ)
5 3noncol.a . . . . . 6 𝐴 = (Atomsβ€˜πΎ)
64, 5atbase 37780 . . . . 5 (𝑅 ∈ 𝐴 β†’ 𝑅 ∈ (Baseβ€˜πΎ))
73, 6syl 17 . . . 4 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝑅 ∈ (Baseβ€˜πΎ))
8 simp12 1205 . . . . 5 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝑃 ∈ 𝐴)
94, 5atbase 37780 . . . . 5 (𝑃 ∈ 𝐴 β†’ 𝑃 ∈ (Baseβ€˜πΎ))
108, 9syl 17 . . . 4 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝑃 ∈ (Baseβ€˜πΎ))
11 simp13 1206 . . . . 5 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝑄 ∈ 𝐴)
124, 5atbase 37780 . . . . 5 (𝑄 ∈ 𝐴 β†’ 𝑄 ∈ (Baseβ€˜πΎ))
1311, 12syl 17 . . . 4 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝑄 ∈ (Baseβ€˜πΎ))
14 simp32 1211 . . . 4 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄))
15 3noncol.l . . . . 5 ≀ = (leβ€˜πΎ)
16 3noncol.j . . . . 5 ∨ = (joinβ€˜πΎ)
174, 15, 16latnlej1r 18354 . . . 4 ((𝐾 ∈ Lat ∧ (𝑅 ∈ (Baseβ€˜πΎ) ∧ 𝑃 ∈ (Baseβ€˜πΎ) ∧ 𝑄 ∈ (Baseβ€˜πΎ)) ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)) β†’ 𝑅 β‰  𝑄)
182, 7, 10, 13, 14, 17syl131anc 1384 . . 3 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝑅 β‰  𝑄)
1918necomd 3000 . 2 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝑄 β‰  𝑅)
20 simp2r 1201 . . . 4 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝑆 ∈ 𝐴)
214, 5atbase 37780 . . . 4 (𝑆 ∈ 𝐴 β†’ 𝑆 ∈ (Baseβ€˜πΎ))
2220, 21syl 17 . . 3 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝑆 ∈ (Baseβ€˜πΎ))
234, 16latjcl 18335 . . . 4 ((𝐾 ∈ Lat ∧ 𝑄 ∈ (Baseβ€˜πΎ) ∧ 𝑅 ∈ (Baseβ€˜πΎ)) β†’ (𝑄 ∨ 𝑅) ∈ (Baseβ€˜πΎ))
242, 13, 7, 23syl3anc 1372 . . 3 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑄 ∨ 𝑅) ∈ (Baseβ€˜πΎ))
25 simp33 1212 . . . 4 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))
2616, 5hlatjass 37861 . . . . . 6 ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴)) β†’ ((𝑃 ∨ 𝑄) ∨ 𝑅) = (𝑃 ∨ (𝑄 ∨ 𝑅)))
271, 8, 11, 3, 26syl13anc 1373 . . . . 5 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ ((𝑃 ∨ 𝑄) ∨ 𝑅) = (𝑃 ∨ (𝑄 ∨ 𝑅)))
2827breq2d 5122 . . . 4 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅) ↔ 𝑆 ≀ (𝑃 ∨ (𝑄 ∨ 𝑅))))
2925, 28mtbid 324 . . 3 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ Β¬ 𝑆 ≀ (𝑃 ∨ (𝑄 ∨ 𝑅)))
304, 15, 16latnlej2r 18357 . . 3 ((𝐾 ∈ Lat ∧ (𝑆 ∈ (Baseβ€˜πΎ) ∧ 𝑃 ∈ (Baseβ€˜πΎ) ∧ (𝑄 ∨ 𝑅) ∈ (Baseβ€˜πΎ)) ∧ Β¬ 𝑆 ≀ (𝑃 ∨ (𝑄 ∨ 𝑅))) β†’ Β¬ 𝑆 ≀ (𝑄 ∨ 𝑅))
312, 22, 10, 24, 29, 30syl131anc 1384 . 2 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ Β¬ 𝑆 ≀ (𝑄 ∨ 𝑅))
32 simp31 1210 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ 𝑃 β‰  𝑄)
3315, 16, 5hlatexch1 37887 . . . . . . . 8 ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑃 β‰  𝑄) β†’ (𝑃 ≀ (𝑄 ∨ 𝑅) β†’ 𝑅 ≀ (𝑄 ∨ 𝑃)))
341, 8, 3, 11, 32, 33syl131anc 1384 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑃 ≀ (𝑄 ∨ 𝑅) β†’ 𝑅 ≀ (𝑄 ∨ 𝑃)))
354, 16latjcom 18343 . . . . . . . . 9 ((𝐾 ∈ Lat ∧ 𝑃 ∈ (Baseβ€˜πΎ) ∧ 𝑄 ∈ (Baseβ€˜πΎ)) β†’ (𝑃 ∨ 𝑄) = (𝑄 ∨ 𝑃))
362, 10, 13, 35syl3anc 1372 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑃 ∨ 𝑄) = (𝑄 ∨ 𝑃))
3736breq2d 5122 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑅 ≀ (𝑃 ∨ 𝑄) ↔ 𝑅 ≀ (𝑄 ∨ 𝑃)))
3834, 37sylibrd 259 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑃 ≀ (𝑄 ∨ 𝑅) β†’ 𝑅 ≀ (𝑃 ∨ 𝑄)))
3914, 38mtod 197 . . . . 5 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ Β¬ 𝑃 ≀ (𝑄 ∨ 𝑅))
404, 15, 16, 5hlexch1 37874 . . . . 5 ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ∧ (𝑄 ∨ 𝑅) ∈ (Baseβ€˜πΎ)) ∧ Β¬ 𝑃 ≀ (𝑄 ∨ 𝑅)) β†’ (𝑃 ≀ ((𝑄 ∨ 𝑅) ∨ 𝑆) β†’ 𝑆 ≀ ((𝑄 ∨ 𝑅) ∨ 𝑃)))
411, 8, 20, 24, 39, 40syl131anc 1384 . . . 4 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑃 ≀ ((𝑄 ∨ 𝑅) ∨ 𝑆) β†’ 𝑆 ≀ ((𝑄 ∨ 𝑅) ∨ 𝑃)))
424, 16latjcom 18343 . . . . . . . 8 ((𝐾 ∈ Lat ∧ 𝑄 ∈ (Baseβ€˜πΎ) ∧ 𝑅 ∈ (Baseβ€˜πΎ)) β†’ (𝑄 ∨ 𝑅) = (𝑅 ∨ 𝑄))
432, 13, 7, 42syl3anc 1372 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑄 ∨ 𝑅) = (𝑅 ∨ 𝑄))
4443oveq1d 7377 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ ((𝑄 ∨ 𝑅) ∨ 𝑃) = ((𝑅 ∨ 𝑄) ∨ 𝑃))
454, 16latj31 18383 . . . . . . 7 ((𝐾 ∈ Lat ∧ (𝑅 ∈ (Baseβ€˜πΎ) ∧ 𝑄 ∈ (Baseβ€˜πΎ) ∧ 𝑃 ∈ (Baseβ€˜πΎ))) β†’ ((𝑅 ∨ 𝑄) ∨ 𝑃) = ((𝑃 ∨ 𝑄) ∨ 𝑅))
462, 7, 13, 10, 45syl13anc 1373 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ ((𝑅 ∨ 𝑄) ∨ 𝑃) = ((𝑃 ∨ 𝑄) ∨ 𝑅))
4744, 46eqtrd 2777 . . . . 5 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ ((𝑄 ∨ 𝑅) ∨ 𝑃) = ((𝑃 ∨ 𝑄) ∨ 𝑅))
4847breq2d 5122 . . . 4 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑆 ≀ ((𝑄 ∨ 𝑅) ∨ 𝑃) ↔ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅)))
4941, 48sylibd 238 . . 3 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑃 ≀ ((𝑄 ∨ 𝑅) ∨ 𝑆) β†’ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅)))
5025, 49mtod 197 . 2 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ Β¬ 𝑃 ≀ ((𝑄 ∨ 𝑅) ∨ 𝑆))
5119, 31, 503jca 1129 1 (((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑅 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄) ∧ Β¬ 𝑆 ≀ ((𝑃 ∨ 𝑄) ∨ 𝑅))) β†’ (𝑄 β‰  𝑅 ∧ Β¬ 𝑆 ≀ (𝑄 ∨ 𝑅) ∧ Β¬ 𝑃 ≀ ((𝑄 ∨ 𝑅) ∨ 𝑆)))
Colors of variables: wff setvar class
Syntax hints:  Β¬ wn 3   β†’ wi 4   ∧ wa 397   ∧ w3a 1088   = wceq 1542   ∈ wcel 2107   β‰  wne 2944   class class class wbr 5110  β€˜cfv 6501  (class class class)co 7362  Basecbs 17090  lecple 17147  joincjn 18207  Latclat 18327  Atomscatm 37754  HLchlt 37841
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2109  ax-9 2117  ax-10 2138  ax-11 2155  ax-12 2172  ax-ext 2708  ax-rep 5247  ax-sep 5261  ax-nul 5268  ax-pow 5325  ax-pr 5389  ax-un 7677
This theorem depends on definitions:  df-bi 206  df-an 398  df-or 847  df-3an 1090  df-tru 1545  df-fal 1555  df-ex 1783  df-nf 1787  df-sb 2069  df-mo 2539  df-eu 2568  df-clab 2715  df-cleq 2729  df-clel 2815  df-nfc 2890  df-ne 2945  df-ral 3066  df-rex 3075  df-reu 3357  df-rab 3411  df-v 3450  df-sbc 3745  df-csb 3861  df-dif 3918  df-un 3920  df-in 3922  df-ss 3932  df-nul 4288  df-if 4492  df-pw 4567  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4871  df-iun 4961  df-br 5111  df-opab 5173  df-mpt 5194  df-id 5536  df-xp 5644  df-rel 5645  df-cnv 5646  df-co 5647  df-dm 5648  df-rn 5649  df-res 5650  df-ima 5651  df-iota 6453  df-fun 6503  df-fn 6504  df-f 6505  df-f1 6506  df-fo 6507  df-f1o 6508  df-fv 6509  df-riota 7318  df-ov 7365  df-oprab 7366  df-proset 18191  df-poset 18209  df-plt 18226  df-lub 18242  df-glb 18243  df-join 18244  df-meet 18245  df-p0 18321  df-lat 18328  df-covers 37757  df-ats 37758  df-atl 37789  df-cvlat 37813  df-hlat 37842
This theorem is referenced by:  4noncolr2  37946  4noncolr1  37947  4atlem12  38104
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