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Theorem trlval2 41313
Description: The value of the trace of a lattice translation, given any atom 𝑃 not under the fiducial co-atom 𝑊. Note: this requires only the weaker assumption 𝐾 ∈ Lat; we use 𝐾 ∈ HL for convenience. (Contributed by NM, 20-May-2012.)
Hypotheses
Ref Expression
trlval2.l ≤ = (le‘𝐾)
trlval2.j ∨ = (join‘𝐾)
trlval2.m ∧ = (meet‘𝐾)
trlval2.a 𝐴 = (Atoms‘𝐾)
trlval2.h 𝐻 = (LHyp‘𝐾)
trlval2.t 𝑇 = ((LTrn‘𝐾)‘𝑊)
trlval2.r 𝑅 = ((trL‘𝐾)‘𝑊)
Assertion
Ref Expression
trlval2 (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → (𝑅‘𝐹) = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊))

Proof of Theorem trlval2
Dummy variables 𝑥 𝑞 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 hllat 40513 . . 3 (𝐾 ∈ HL → 𝐾 ∈ Lat)
21anim1i 627 . 2 ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻))
3 eqid 2760 . . . . 5 (Base‘𝐾) = (Base‘𝐾)
4 trlval2.l . . . . 5 ≤ = (le‘𝐾)
5 trlval2.j . . . . 5 ∨ = (join‘𝐾)
6 trlval2.m . . . . 5 ∧ = (meet‘𝐾)
7 trlval2.a . . . . 5 𝐴 = (Atoms‘𝐾)
8 trlval2.h . . . . 5 𝐻 = (LHyp‘𝐾)
9 trlval2.t . . . . 5 𝑇 = ((LTrn‘𝐾)‘𝑊)
10 trlval2.r . . . . 5 𝑅 = ((trL‘𝐾)‘𝑊)
113, 4, 5, 6, 7, 8, 9, 10trlval 41312 . . . 4 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇) → (𝑅‘𝐹) = (℩𝑥 ∈ (Base‘𝐾)∀𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑊 → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))))
12113adant3 1150 . . 3 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → (𝑅‘𝐹) = (℩𝑥 ∈ (Base‘𝐾)∀𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑊 → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))))
13 simp1l 1216 . . . . 5 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → 𝐾 ∈ Lat)
14 simp3l 1220 . . . . . . 7 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → 𝑃 ∈ 𝐴)
153, 7atbase 40439 . . . . . . 7 (𝑃 ∈ 𝐴 → 𝑃 ∈ (Base‘𝐾))
1614, 15syl 18 . . . . . 6 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → 𝑃 ∈ (Base‘𝐾))
173, 8, 9ltrncl 41275 . . . . . . 7 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ 𝑃 ∈ (Base‘𝐾)) → (𝐹‘𝑃) ∈ (Base‘𝐾))
1816, 17syld3an3 1436 . . . . . 6 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → (𝐹‘𝑃) ∈ (Base‘𝐾))
193, 5latjcl 18618 . . . . . 6 ((𝐾 ∈ Lat ∧ 𝑃 ∈ (Base‘𝐾) ∧ (𝐹‘𝑃) ∈ (Base‘𝐾)) → (𝑃 ∨ (𝐹‘𝑃)) ∈ (Base‘𝐾))
2013, 16, 18, 19syl3anc 1398 . . . . 5 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → (𝑃 ∨ (𝐹‘𝑃)) ∈ (Base‘𝐾))
21 simp1r 1217 . . . . . 6 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → 𝑊 ∈ 𝐻)
223, 8lhpbase 41148 . . . . . 6 (𝑊 ∈ 𝐻 → 𝑊 ∈ (Base‘𝐾))
2321, 22syl 18 . . . . 5 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → 𝑊 ∈ (Base‘𝐾))
243, 6latmcl 18619 . . . . 5 ((𝐾 ∈ Lat ∧ (𝑃 ∨ (𝐹‘𝑃)) ∈ (Base‘𝐾) ∧ 𝑊 ∈ (Base‘𝐾)) → ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) ∈ (Base‘𝐾))
2513, 20, 23, 24syl3anc 1398 . . . 4 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) ∈ (Base‘𝐾))
26 simpl3l 1247 . . . . . 6 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ 𝑥 ∈ (Base‘𝐾)) → 𝑃 ∈ 𝐴)
27 simpl3r 1248 . . . . . 6 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ 𝑥 ∈ (Base‘𝐾)) → ¬ 𝑃 ≤ 𝑊)
28 breq1 5105 . . . . . . . . . 10 (𝑞 = 𝑃 → (𝑞 ≤ 𝑊 ↔ 𝑃 ≤ 𝑊))
2928notbid 321 . . . . . . . . 9 (𝑞 = 𝑃 → (¬ 𝑞 ≤ 𝑊 ↔ ¬ 𝑃 ≤ 𝑊))
30 id 23 . . . . . . . . . . . 12 (𝑞 = 𝑃 → 𝑞 = 𝑃)
31 fveq2 6885 . . . . . . . . . . . 12 (𝑞 = 𝑃 → (𝐹‘𝑞) = (𝐹‘𝑃))
3230, 31oveq12d 7438 . . . . . . . . . . 11 (𝑞 = 𝑃 → (𝑞 ∨ (𝐹‘𝑞)) = (𝑃 ∨ (𝐹‘𝑃)))
3332oveq1d 7435 . . . . . . . . . 10 (𝑞 = 𝑃 → ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊) = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊))
3433eqeq2d 2771 . . . . . . . . 9 (𝑞 = 𝑃 → (𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊) ↔ 𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊)))
3529, 34imbi12d 347 . . . . . . . 8 (𝑞 = 𝑃 → ((¬ 𝑞 ≤ 𝑊 → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) ↔ (¬ 𝑃 ≤ 𝑊 → 𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊))))
3635rspcv 3572 . . . . . . 7 (𝑃 ∈ 𝐴 → (∀𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑊 → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) → (¬ 𝑃 ≤ 𝑊 → 𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊))))
3736com23 87 . . . . . 6 (𝑃 ∈ 𝐴 → (¬ 𝑃 ≤ 𝑊 → (∀𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑊 → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) → 𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊))))
3826, 27, 37sylc 66 . . . . 5 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ 𝑥 ∈ (Base‘𝐾)) → (∀𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑊 → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) → 𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊)))
39 simp11 1222 . . . . . . . . . . 11 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑞 ∈ 𝐴) → (𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻))
40 simp12 1223 . . . . . . . . . . 11 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑞 ∈ 𝐴) → 𝐹 ∈ 𝑇)
41 simp13l 1307 . . . . . . . . . . 11 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑞 ∈ 𝐴) → 𝑃 ∈ 𝐴)
42 simp13r 1308 . . . . . . . . . . 11 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑞 ∈ 𝐴) → ¬ 𝑃 ≤ 𝑊)
43 simp3 1156 . . . . . . . . . . 11 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑞 ∈ 𝐴) → 𝑞 ∈ 𝐴)
44 simp2 1155 . . . . . . . . . . 11 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑞 ∈ 𝐴) → ¬ 𝑞 ≤ 𝑊)
454, 5, 6, 7, 8, 9ltrnu 41271 . . . . . . . . . . 11 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑞 ∈ 𝐴 ∧ ¬ 𝑞 ≤ 𝑊)) → ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))
4639, 40, 41, 42, 43, 44, 45syl222anc 1413 . . . . . . . . . 10 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑞 ∈ 𝐴) → ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))
47 eqeq2 2772 . . . . . . . . . . 11 (((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊) → (𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) ↔ 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)))
4847biimpd 232 . . . . . . . . . 10 (((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊) → (𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)))
4946, 48syl 18 . . . . . . . . 9 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑞 ∈ 𝐴) → (𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)))
50493exp 1137 . . . . . . . 8 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → (¬ 𝑞 ≤ 𝑊 → (𝑞 ∈ 𝐴 → (𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)))))
5150com24 96 . . . . . . 7 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → (𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) → (𝑞 ∈ 𝐴 → (¬ 𝑞 ≤ 𝑊 → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)))))
5251ralrimdv 3160 . . . . . 6 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → (𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) → ∀𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑊 → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))))
5352adantr 486 . . . . 5 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ 𝑥 ∈ (Base‘𝐾)) → (𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊) → ∀𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑊 → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))))
5438, 53impbid 215 . . . 4 ((((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) ∧ 𝑥 ∈ (Base‘𝐾)) → (∀𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑊 → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) ↔ 𝑥 = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊)))
5525, 54riota5 7406 . . 3 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → (℩𝑥 ∈ (Base‘𝐾)∀𝑞 ∈ 𝐴 (¬ 𝑞 ≤ 𝑊 → 𝑥 = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊))
5612, 55eqtrd 2795 . 2 (((𝐾 ∈ Lat ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → (𝑅‘𝐹) = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊))
572, 56syl3an1 1181 1 (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇 ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊)) → (𝑅‘𝐹) = ((𝑃 ∨ (𝐹‘𝑃)) ∧ 𝑊))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ∧ wa 401   ∧ w3a 1103   = wceq 1569   ∈ wcel 2144  ∀wral 3076   class class class wbr 5102  ‘cfv 6538  ℩crio 7376  (class class class)co 7420  Basecbs 17392  lecple 17440  joincjn 18490  meetcmee 18491  Latclat 18610  Atomscatm 40413  HLchlt 40500  LHypclh 41134  LTrncltrn 41251  trLctrl 41308
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-rep 5231  ax-sep 5248  ax-nul 5259  ax-pow 5326  ax-pr 5390  ax-un 7751
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-rmo 3365  df-reu 3366  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3847  df-ss 3896  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4585  df-pr 4587  df-op 4835  df-uni 4867  df-iun 4952  df-br 5103  df-opab 5167  df-mpt 5186  df-id 5545  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  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-map 8852  df-lub 18523  df-glb 18524  df-join 18525  df-meet 18526  df-lat 18611  df-ats 40417  df-atl 40448  df-cvlat 40472  df-hlat 40501  df-lhyp 41138  df-laut 41139  df-ldil 41254  df-ltrn 41255  df-trl 41309
This theorem is used by:  trlcl  41314  trlcnv  41315  trljat1  41316  trljat2  41317  trlat  41319  trl0  41320  trlle  41334  trlval3  41337  trlval5  41339  cdlemd6  41353  cdlemf  41713  cdlemg4a  41758  cdlemg4b1  41759  cdlemg4b2  41760  cdlemg4  41767  cdlemg11b  41792  cdlemg13a  41801  cdlemg13  41802  cdlemg17a  41811  cdlemg17dN  41813  cdlemg17e  41815  cdlemg17f  41816  trlcoabs2N  41872  trlcolem  41876  cdlemg42  41879  cdlemg43  41880  cdlemi1  41968  cdlemk4  41984  cdlemk39  42066  dia2dimlem1  42214  dia2dimlem2  42215  dia2dimlem3  42216  cdlemm10N  42268  cdlemn2  42345  cdlemn10  42356  dihjatcclem3  42570
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