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Theorem cdleme1 34532
 Description: Part of proof of Lemma E in [Crawley] p. 113. 𝐹 represents their f(r). Here we show r ∨ f(r) = r ∨ u (7th through 5th lines from bottom on p. 113). (Contributed by NM, 4-Jun-2012.)
Hypotheses
Ref Expression
cdleme1.l = (le‘𝐾)
cdleme1.j = (join‘𝐾)
cdleme1.m = (meet‘𝐾)
cdleme1.a 𝐴 = (Atoms‘𝐾)
cdleme1.h 𝐻 = (LHyp‘𝐾)
cdleme1.u 𝑈 = ((𝑃 𝑄) 𝑊)
cdleme1.f 𝐹 = ((𝑅 𝑈) (𝑄 ((𝑃 𝑅) 𝑊)))
Assertion
Ref Expression
cdleme1 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑅 𝐹) = (𝑅 𝑈))

Proof of Theorem cdleme1
StepHypRef Expression
1 simpll 786 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝐾 ∈ HL)
2 simpr3l 1115 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝑅𝐴)
3 hllat 33668 . . . . . 6 (𝐾 ∈ HL → 𝐾 ∈ Lat)
43ad2antrr 758 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝐾 ∈ Lat)
5 eqid 2610 . . . . . . 7 (Base‘𝐾) = (Base‘𝐾)
6 cdleme1.a . . . . . . 7 𝐴 = (Atoms‘𝐾)
75, 6atbase 33594 . . . . . 6 (𝑅𝐴𝑅 ∈ (Base‘𝐾))
82, 7syl 17 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝑅 ∈ (Base‘𝐾))
9 cdleme1.u . . . . . 6 𝑈 = ((𝑃 𝑄) 𝑊)
10 simpr1 1060 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝑃𝐴)
115, 6atbase 33594 . . . . . . . . 9 (𝑃𝐴𝑃 ∈ (Base‘𝐾))
1210, 11syl 17 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝑃 ∈ (Base‘𝐾))
13 simpr2 1061 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝑄𝐴)
145, 6atbase 33594 . . . . . . . . 9 (𝑄𝐴𝑄 ∈ (Base‘𝐾))
1513, 14syl 17 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝑄 ∈ (Base‘𝐾))
16 cdleme1.j . . . . . . . . 9 = (join‘𝐾)
175, 16latjcl 16874 . . . . . . . 8 ((𝐾 ∈ Lat ∧ 𝑃 ∈ (Base‘𝐾) ∧ 𝑄 ∈ (Base‘𝐾)) → (𝑃 𝑄) ∈ (Base‘𝐾))
184, 12, 15, 17syl3anc 1318 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑃 𝑄) ∈ (Base‘𝐾))
19 cdleme1.h . . . . . . . . 9 𝐻 = (LHyp‘𝐾)
205, 19lhpbase 34302 . . . . . . . 8 (𝑊𝐻𝑊 ∈ (Base‘𝐾))
2120ad2antlr 759 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝑊 ∈ (Base‘𝐾))
22 cdleme1.m . . . . . . . 8 = (meet‘𝐾)
235, 22latmcl 16875 . . . . . . 7 ((𝐾 ∈ Lat ∧ (𝑃 𝑄) ∈ (Base‘𝐾) ∧ 𝑊 ∈ (Base‘𝐾)) → ((𝑃 𝑄) 𝑊) ∈ (Base‘𝐾))
244, 18, 21, 23syl3anc 1318 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → ((𝑃 𝑄) 𝑊) ∈ (Base‘𝐾))
259, 24syl5eqel 2692 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝑈 ∈ (Base‘𝐾))
265, 16latjcl 16874 . . . . 5 ((𝐾 ∈ Lat ∧ 𝑅 ∈ (Base‘𝐾) ∧ 𝑈 ∈ (Base‘𝐾)) → (𝑅 𝑈) ∈ (Base‘𝐾))
274, 8, 25, 26syl3anc 1318 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑅 𝑈) ∈ (Base‘𝐾))
285, 16latjcl 16874 . . . . . . 7 ((𝐾 ∈ Lat ∧ 𝑃 ∈ (Base‘𝐾) ∧ 𝑅 ∈ (Base‘𝐾)) → (𝑃 𝑅) ∈ (Base‘𝐾))
294, 12, 8, 28syl3anc 1318 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑃 𝑅) ∈ (Base‘𝐾))
305, 22latmcl 16875 . . . . . 6 ((𝐾 ∈ Lat ∧ (𝑃 𝑅) ∈ (Base‘𝐾) ∧ 𝑊 ∈ (Base‘𝐾)) → ((𝑃 𝑅) 𝑊) ∈ (Base‘𝐾))
314, 29, 21, 30syl3anc 1318 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → ((𝑃 𝑅) 𝑊) ∈ (Base‘𝐾))
325, 16latjcl 16874 . . . . 5 ((𝐾 ∈ Lat ∧ 𝑄 ∈ (Base‘𝐾) ∧ ((𝑃 𝑅) 𝑊) ∈ (Base‘𝐾)) → (𝑄 ((𝑃 𝑅) 𝑊)) ∈ (Base‘𝐾))
334, 15, 31, 32syl3anc 1318 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑄 ((𝑃 𝑅) 𝑊)) ∈ (Base‘𝐾))
34 cdleme1.l . . . . . 6 = (le‘𝐾)
355, 34, 16latlej1 16883 . . . . 5 ((𝐾 ∈ Lat ∧ 𝑅 ∈ (Base‘𝐾) ∧ 𝑈 ∈ (Base‘𝐾)) → 𝑅 (𝑅 𝑈))
364, 8, 25, 35syl3anc 1318 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝑅 (𝑅 𝑈))
375, 34, 16, 22, 6atmod3i1 34168 . . . 4 ((𝐾 ∈ HL ∧ (𝑅𝐴 ∧ (𝑅 𝑈) ∈ (Base‘𝐾) ∧ (𝑄 ((𝑃 𝑅) 𝑊)) ∈ (Base‘𝐾)) ∧ 𝑅 (𝑅 𝑈)) → (𝑅 ((𝑅 𝑈) (𝑄 ((𝑃 𝑅) 𝑊)))) = ((𝑅 𝑈) (𝑅 (𝑄 ((𝑃 𝑅) 𝑊)))))
381, 2, 27, 33, 36, 37syl131anc 1331 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑅 ((𝑅 𝑈) (𝑄 ((𝑃 𝑅) 𝑊)))) = ((𝑅 𝑈) (𝑅 (𝑄 ((𝑃 𝑅) 𝑊)))))
395, 34, 16latlej2 16884 . . . . . . . . 9 ((𝐾 ∈ Lat ∧ 𝑃 ∈ (Base‘𝐾) ∧ 𝑅 ∈ (Base‘𝐾)) → 𝑅 (𝑃 𝑅))
404, 12, 8, 39syl3anc 1318 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝑅 (𝑃 𝑅))
415, 34, 16, 22, 6atmod3i1 34168 . . . . . . . 8 ((𝐾 ∈ HL ∧ (𝑅𝐴 ∧ (𝑃 𝑅) ∈ (Base‘𝐾) ∧ 𝑊 ∈ (Base‘𝐾)) ∧ 𝑅 (𝑃 𝑅)) → (𝑅 ((𝑃 𝑅) 𝑊)) = ((𝑃 𝑅) (𝑅 𝑊)))
421, 2, 29, 21, 40, 41syl131anc 1331 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑅 ((𝑃 𝑅) 𝑊)) = ((𝑃 𝑅) (𝑅 𝑊)))
43 eqid 2610 . . . . . . . . . 10 (1.‘𝐾) = (1.‘𝐾)
4434, 16, 43, 6, 19lhpjat2 34325 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊)) → (𝑅 𝑊) = (1.‘𝐾))
45443ad2antr3 1221 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑅 𝑊) = (1.‘𝐾))
4645oveq2d 6565 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → ((𝑃 𝑅) (𝑅 𝑊)) = ((𝑃 𝑅) (1.‘𝐾)))
47 hlol 33666 . . . . . . . . 9 (𝐾 ∈ HL → 𝐾 ∈ OL)
4847ad2antrr 758 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝐾 ∈ OL)
495, 22, 43olm11 33532 . . . . . . . 8 ((𝐾 ∈ OL ∧ (𝑃 𝑅) ∈ (Base‘𝐾)) → ((𝑃 𝑅) (1.‘𝐾)) = (𝑃 𝑅))
5048, 29, 49syl2anc 691 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → ((𝑃 𝑅) (1.‘𝐾)) = (𝑃 𝑅))
5142, 46, 503eqtrd 2648 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑅 ((𝑃 𝑅) 𝑊)) = (𝑃 𝑅))
5251oveq2d 6565 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑄 (𝑅 ((𝑃 𝑅) 𝑊))) = (𝑄 (𝑃 𝑅)))
535, 16latj12 16919 . . . . . 6 ((𝐾 ∈ Lat ∧ (𝑄 ∈ (Base‘𝐾) ∧ 𝑅 ∈ (Base‘𝐾) ∧ ((𝑃 𝑅) 𝑊) ∈ (Base‘𝐾))) → (𝑄 (𝑅 ((𝑃 𝑅) 𝑊))) = (𝑅 (𝑄 ((𝑃 𝑅) 𝑊))))
544, 15, 8, 31, 53syl13anc 1320 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑄 (𝑅 ((𝑃 𝑅) 𝑊))) = (𝑅 (𝑄 ((𝑃 𝑅) 𝑊))))
555, 16latj13 16921 . . . . . 6 ((𝐾 ∈ Lat ∧ (𝑄 ∈ (Base‘𝐾) ∧ 𝑃 ∈ (Base‘𝐾) ∧ 𝑅 ∈ (Base‘𝐾))) → (𝑄 (𝑃 𝑅)) = (𝑅 (𝑃 𝑄)))
564, 15, 12, 8, 55syl13anc 1320 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑄 (𝑃 𝑅)) = (𝑅 (𝑃 𝑄)))
5752, 54, 563eqtr3rd 2653 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑅 (𝑃 𝑄)) = (𝑅 (𝑄 ((𝑃 𝑅) 𝑊))))
5857oveq2d 6565 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → ((𝑅 𝑈) (𝑅 (𝑃 𝑄))) = ((𝑅 𝑈) (𝑅 (𝑄 ((𝑃 𝑅) 𝑊)))))
5934, 16, 22, 6, 19, 9cdlemeulpq 34525 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴)) → 𝑈 (𝑃 𝑄))
60593adantr3 1215 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → 𝑈 (𝑃 𝑄))
615, 34, 16latjlej2 16889 . . . . . 6 ((𝐾 ∈ Lat ∧ (𝑈 ∈ (Base‘𝐾) ∧ (𝑃 𝑄) ∈ (Base‘𝐾) ∧ 𝑅 ∈ (Base‘𝐾))) → (𝑈 (𝑃 𝑄) → (𝑅 𝑈) (𝑅 (𝑃 𝑄))))
624, 25, 18, 8, 61syl13anc 1320 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑈 (𝑃 𝑄) → (𝑅 𝑈) (𝑅 (𝑃 𝑄))))
6360, 62mpd 15 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑅 𝑈) (𝑅 (𝑃 𝑄)))
645, 16latjcl 16874 . . . . . 6 ((𝐾 ∈ Lat ∧ 𝑅 ∈ (Base‘𝐾) ∧ (𝑃 𝑄) ∈ (Base‘𝐾)) → (𝑅 (𝑃 𝑄)) ∈ (Base‘𝐾))
654, 8, 18, 64syl3anc 1318 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑅 (𝑃 𝑄)) ∈ (Base‘𝐾))
665, 34, 22latleeqm1 16902 . . . . 5 ((𝐾 ∈ Lat ∧ (𝑅 𝑈) ∈ (Base‘𝐾) ∧ (𝑅 (𝑃 𝑄)) ∈ (Base‘𝐾)) → ((𝑅 𝑈) (𝑅 (𝑃 𝑄)) ↔ ((𝑅 𝑈) (𝑅 (𝑃 𝑄))) = (𝑅 𝑈)))
674, 27, 65, 66syl3anc 1318 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → ((𝑅 𝑈) (𝑅 (𝑃 𝑄)) ↔ ((𝑅 𝑈) (𝑅 (𝑃 𝑄))) = (𝑅 𝑈)))
6863, 67mpbid 221 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → ((𝑅 𝑈) (𝑅 (𝑃 𝑄))) = (𝑅 𝑈))
6938, 58, 683eqtr2rd 2651 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑅 𝑈) = (𝑅 ((𝑅 𝑈) (𝑄 ((𝑃 𝑅) 𝑊)))))
70 cdleme1.f . . 3 𝐹 = ((𝑅 𝑈) (𝑄 ((𝑃 𝑅) 𝑊)))
7170oveq2i 6560 . 2 (𝑅 𝐹) = (𝑅 ((𝑅 𝑈) (𝑄 ((𝑃 𝑅) 𝑊))))
7269, 71syl6reqr 2663 1 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴𝑄𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊))) → (𝑅 𝐹) = (𝑅 𝑈))
 Colors of variables: wff setvar class Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 195   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977   class class class wbr 4583  ‘cfv 5804  (class class class)co 6549  Basecbs 15695  lecple 15775  joincjn 16767  meetcmee 16768  1.cp1 16861  Latclat 16868  OLcol 33479  Atomscatm 33568  HLchlt 33655  LHypclh 34288 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-rep 4699  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847 This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-ral 2901  df-rex 2902  df-reu 2903  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-op 4132  df-uni 4373  df-iun 4457  df-iin 4458  df-br 4584  df-opab 4644  df-mpt 4645  df-id 4953  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-1st 7059  df-2nd 7060  df-preset 16751  df-poset 16769  df-plt 16781  df-lub 16797  df-glb 16798  df-join 16799  df-meet 16800  df-p0 16862  df-p1 16863  df-lat 16869  df-clat 16931  df-oposet 33481  df-ol 33483  df-oml 33484  df-covers 33571  df-ats 33572  df-atl 33603  df-cvlat 33627  df-hlat 33656  df-psubsp 33807  df-pmap 33808  df-padd 34100  df-lhyp 34292 This theorem is referenced by:  cdleme2  34533  cdleme3b  34534  cdleme3c  34535  cdleme5  34545  cdleme11  34575  cdleme12  34576  cdleme16c  34585  cdleme20g  34621  cdleme35a  34754  cdleme36a  34766
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