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Theorem osumcllem9N 39921
Description: Lemma for osumclN 39924. (Contributed by NM, 24-Mar-2012.) (New usage is discouraged.)
Hypotheses
Ref Expression
osumcllem.l = (le‘𝐾)
osumcllem.j = (join‘𝐾)
osumcllem.a 𝐴 = (Atoms‘𝐾)
osumcllem.p + = (+𝑃𝐾)
osumcllem.o = (⊥𝑃𝐾)
osumcllem.c 𝐶 = (PSubCl‘𝐾)
osumcllem.m 𝑀 = (𝑋 + {𝑝})
osumcllem.u 𝑈 = ( ‘( ‘(𝑋 + 𝑌)))
Assertion
Ref Expression
osumcllem9N (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑀 = 𝑋)

Proof of Theorem osumcllem9N
StepHypRef Expression
1 inass 4249 . . . . . . 7 ((( 𝑋) ∩ 𝑈) ∩ 𝑀) = (( 𝑋) ∩ (𝑈𝑀))
2 simp11 1203 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝐾 ∈ HL)
3 simp13 1205 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑌𝐶)
4 simp21 1206 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑋 ⊆ ( 𝑌))
5 osumcllem.l . . . . . . . . . 10 = (le‘𝐾)
6 osumcllem.j . . . . . . . . . 10 = (join‘𝐾)
7 osumcllem.a . . . . . . . . . 10 𝐴 = (Atoms‘𝐾)
8 osumcllem.p . . . . . . . . . 10 + = (+𝑃𝐾)
9 osumcllem.o . . . . . . . . . 10 = (⊥𝑃𝐾)
10 osumcllem.c . . . . . . . . . 10 𝐶 = (PSubCl‘𝐾)
11 osumcllem.m . . . . . . . . . 10 𝑀 = (𝑋 + {𝑝})
12 osumcllem.u . . . . . . . . . 10 𝑈 = ( ‘( ‘(𝑋 + 𝑌)))
135, 6, 7, 8, 9, 10, 11, 12osumcllem3N 39915 . . . . . . . . 9 ((𝐾 ∈ HL ∧ 𝑌𝐶𝑋 ⊆ ( 𝑌)) → (( 𝑋) ∩ 𝑈) = 𝑌)
142, 3, 4, 13syl3anc 1371 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (( 𝑋) ∩ 𝑈) = 𝑌)
1514ineq1d 4240 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → ((( 𝑋) ∩ 𝑈) ∩ 𝑀) = (𝑌𝑀))
161, 15eqtr3id 2794 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (( 𝑋) ∩ (𝑈𝑀)) = (𝑌𝑀))
17 simp12 1204 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑋𝐶)
187, 10psubclssatN 39898 . . . . . . . 8 ((𝐾 ∈ HL ∧ 𝑋𝐶) → 𝑋𝐴)
192, 17, 18syl2anc 583 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑋𝐴)
207, 10psubclssatN 39898 . . . . . . . 8 ((𝐾 ∈ HL ∧ 𝑌𝐶) → 𝑌𝐴)
212, 3, 20syl2anc 583 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑌𝐴)
22 simp22 1207 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑋 ≠ ∅)
237, 8paddssat 39771 . . . . . . . . . . . 12 ((𝐾 ∈ HL ∧ 𝑋𝐴𝑌𝐴) → (𝑋 + 𝑌) ⊆ 𝐴)
242, 19, 21, 23syl3anc 1371 . . . . . . . . . . 11 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑋 + 𝑌) ⊆ 𝐴)
257, 9polssatN 39865 . . . . . . . . . . 11 ((𝐾 ∈ HL ∧ (𝑋 + 𝑌) ⊆ 𝐴) → ( ‘(𝑋 + 𝑌)) ⊆ 𝐴)
262, 24, 25syl2anc 583 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → ( ‘(𝑋 + 𝑌)) ⊆ 𝐴)
277, 9polssatN 39865 . . . . . . . . . 10 ((𝐾 ∈ HL ∧ ( ‘(𝑋 + 𝑌)) ⊆ 𝐴) → ( ‘( ‘(𝑋 + 𝑌))) ⊆ 𝐴)
282, 26, 27syl2anc 583 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → ( ‘( ‘(𝑋 + 𝑌))) ⊆ 𝐴)
2912, 28eqsstrid 4057 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑈𝐴)
30 simp23 1208 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑝𝑈)
3129, 30sseldd 4009 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑝𝐴)
32 simp3 1138 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → ¬ 𝑝 ∈ (𝑋 + 𝑌))
335, 6, 7, 8, 9, 10, 11, 12osumcllem8N 39920 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑋𝐴𝑌𝐴) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝐴) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑌𝑀) = ∅)
342, 19, 21, 4, 22, 31, 32, 33syl331anc 1395 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑌𝑀) = ∅)
3516, 34eqtrd 2780 . . . . 5 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (( 𝑋) ∩ (𝑈𝑀)) = ∅)
3635fveq2d 6924 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → ( ‘(( 𝑋) ∩ (𝑈𝑀))) = ( ‘∅))
377, 9pol0N 39866 . . . . 5 (𝐾 ∈ HL → ( ‘∅) = 𝐴)
382, 37syl 17 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → ( ‘∅) = 𝐴)
3936, 38eqtrd 2780 . . 3 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → ( ‘(( 𝑋) ∩ (𝑈𝑀))) = 𝐴)
405, 6, 7, 8, 9, 10, 11, 12osumcllem1N 39913 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐴𝑌𝐴) ∧ 𝑝𝑈) → (𝑈𝑀) = 𝑀)
412, 19, 21, 30, 40syl31anc 1373 . . 3 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑈𝑀) = 𝑀)
4239, 41ineq12d 4242 . 2 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (( ‘(( 𝑋) ∩ (𝑈𝑀))) ∩ (𝑈𝑀)) = (𝐴𝑀))
437, 9, 10polsubclN 39909 . . . . . 6 ((𝐾 ∈ HL ∧ ( ‘(𝑋 + 𝑌)) ⊆ 𝐴) → ( ‘( ‘(𝑋 + 𝑌))) ∈ 𝐶)
442, 26, 43syl2anc 583 . . . . 5 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → ( ‘( ‘(𝑋 + 𝑌))) ∈ 𝐶)
4512, 44eqeltrid 2848 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑈𝐶)
467, 8, 10paddatclN 39906 . . . . . 6 ((𝐾 ∈ HL ∧ 𝑋𝐶𝑝𝐴) → (𝑋 + {𝑝}) ∈ 𝐶)
472, 17, 31, 46syl3anc 1371 . . . . 5 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑋 + {𝑝}) ∈ 𝐶)
4811, 47eqeltrid 2848 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑀𝐶)
4910psubclinN 39905 . . . 4 ((𝐾 ∈ HL ∧ 𝑈𝐶𝑀𝐶) → (𝑈𝑀) ∈ 𝐶)
502, 45, 48, 49syl3anc 1371 . . 3 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑈𝑀) ∈ 𝐶)
515, 6, 7, 8, 9, 10, 11, 12osumcllem2N 39914 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐴𝑌𝐴) ∧ 𝑝𝑈) → 𝑋 ⊆ (𝑈𝑀))
522, 19, 21, 30, 51syl31anc 1373 . . 3 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑋 ⊆ (𝑈𝑀))
5310, 9poml6N 39912 . . 3 (((𝐾 ∈ HL ∧ 𝑋𝐶 ∧ (𝑈𝑀) ∈ 𝐶) ∧ 𝑋 ⊆ (𝑈𝑀)) → (( ‘(( 𝑋) ∩ (𝑈𝑀))) ∩ (𝑈𝑀)) = 𝑋)
542, 17, 50, 52, 53syl31anc 1373 . 2 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (( ‘(( 𝑋) ∩ (𝑈𝑀))) ∩ (𝑈𝑀)) = 𝑋)
5531snssd 4834 . . . . 5 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → {𝑝} ⊆ 𝐴)
567, 8paddssat 39771 . . . . 5 ((𝐾 ∈ HL ∧ 𝑋𝐴 ∧ {𝑝} ⊆ 𝐴) → (𝑋 + {𝑝}) ⊆ 𝐴)
572, 19, 55, 56syl3anc 1371 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑋 + {𝑝}) ⊆ 𝐴)
5811, 57eqsstrid 4057 . . 3 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑀𝐴)
59 sseqin2 4244 . . 3 (𝑀𝐴 ↔ (𝐴𝑀) = 𝑀)
6058, 59sylib 218 . 2 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝐴𝑀) = 𝑀)
6142, 54, 603eqtr3rd 2789 1 (((𝐾 ∈ HL ∧ 𝑋𝐶𝑌𝐶) ∧ (𝑋 ⊆ ( 𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝𝑈) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑀 = 𝑋)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  w3a 1087   = wceq 1537  wcel 2108  wne 2946  cin 3975  wss 3976  c0 4352  {csn 4648  cfv 6573  (class class class)co 7448  lecple 17318  joincjn 18381  Atomscatm 39219  HLchlt 39306  +𝑃cpadd 39752  𝑃cpolN 39859  PSubClcpscN 39891
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2158  ax-12 2178  ax-ext 2711  ax-rep 5303  ax-sep 5317  ax-nul 5324  ax-pow 5383  ax-pr 5447  ax-un 7770
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3an 1089  df-tru 1540  df-fal 1550  df-ex 1778  df-nf 1782  df-sb 2065  df-mo 2543  df-eu 2572  df-clab 2718  df-cleq 2732  df-clel 2819  df-nfc 2895  df-ne 2947  df-ral 3068  df-rex 3077  df-rmo 3388  df-reu 3389  df-rab 3444  df-v 3490  df-sbc 3805  df-csb 3922  df-dif 3979  df-un 3981  df-in 3983  df-ss 3993  df-nul 4353  df-if 4549  df-pw 4624  df-sn 4649  df-pr 4651  df-op 4655  df-uni 4932  df-iun 5017  df-iin 5018  df-br 5167  df-opab 5229  df-mpt 5250  df-id 5593  df-xp 5706  df-rel 5707  df-cnv 5708  df-co 5709  df-dm 5710  df-rn 5711  df-res 5712  df-ima 5713  df-iota 6525  df-fun 6575  df-fn 6576  df-f 6577  df-f1 6578  df-fo 6579  df-f1o 6580  df-fv 6581  df-riota 7404  df-ov 7451  df-oprab 7452  df-mpo 7453  df-1st 8030  df-2nd 8031  df-proset 18365  df-poset 18383  df-plt 18400  df-lub 18416  df-glb 18417  df-join 18418  df-meet 18419  df-p0 18495  df-p1 18496  df-lat 18502  df-clat 18569  df-oposet 39132  df-ol 39134  df-oml 39135  df-covers 39222  df-ats 39223  df-atl 39254  df-cvlat 39278  df-hlat 39307  df-psubsp 39460  df-pmap 39461  df-padd 39753  df-polarityN 39860  df-psubclN 39892
This theorem is referenced by:  osumcllem11N  39923
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