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Theorem dihord5b 35566
 Description: Part of proof that isomorphism H is order-preserving. TODO: eliminate 3ad2ant1; combine w/ other way to have one lhpmcvr2 . (Contributed by NM, 7-Mar-2014.)
Hypotheses
Ref Expression
dihord3.b 𝐵 = (Base‘𝐾)
dihord3.l = (le‘𝐾)
dihord3.h 𝐻 = (LHyp‘𝐾)
dihord3.i 𝐼 = ((DIsoH‘𝐾)‘𝑊)
Assertion
Ref Expression
dihord5b ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → (𝐼𝑋) ⊆ (𝐼𝑌))

Proof of Theorem dihord5b
Dummy variable 𝑟 is distinct from all other variables.
StepHypRef Expression
1 simpl1 1057 . . 3 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → (𝐾 ∈ HL ∧ 𝑊𝐻))
2 simpl3 1059 . . 3 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → (𝑌𝐵 ∧ ¬ 𝑌 𝑊))
3 dihord3.b . . . 4 𝐵 = (Base‘𝐾)
4 dihord3.l . . . 4 = (le‘𝐾)
5 eqid 2610 . . . 4 (join‘𝐾) = (join‘𝐾)
6 eqid 2610 . . . 4 (meet‘𝐾) = (meet‘𝐾)
7 eqid 2610 . . . 4 (Atoms‘𝐾) = (Atoms‘𝐾)
8 dihord3.h . . . 4 𝐻 = (LHyp‘𝐾)
93, 4, 5, 6, 7, 8lhpmcvr2 34328 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) → ∃𝑟 ∈ (Atoms‘𝐾)(¬ 𝑟 𝑊 ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌))
101, 2, 9syl2anc 691 . 2 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → ∃𝑟 ∈ (Atoms‘𝐾)(¬ 𝑟 𝑊 ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌))
11 simp1r 1079 . . . . . . . . . 10 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → 𝑋 𝑌)
12 simpl2r 1108 . . . . . . . . . . 11 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → 𝑋 𝑊)
13123ad2ant1 1075 . . . . . . . . . 10 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → 𝑋 𝑊)
14 simpl1l 1105 . . . . . . . . . . . . 13 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → 𝐾 ∈ HL)
15143ad2ant1 1075 . . . . . . . . . . . 12 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → 𝐾 ∈ HL)
16 hllat 33668 . . . . . . . . . . . 12 (𝐾 ∈ HL → 𝐾 ∈ Lat)
1715, 16syl 17 . . . . . . . . . . 11 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → 𝐾 ∈ Lat)
18 simpl2l 1107 . . . . . . . . . . . 12 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → 𝑋𝐵)
19183ad2ant1 1075 . . . . . . . . . . 11 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → 𝑋𝐵)
20 simpl3l 1109 . . . . . . . . . . . 12 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → 𝑌𝐵)
21203ad2ant1 1075 . . . . . . . . . . 11 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → 𝑌𝐵)
22 simpl1r 1106 . . . . . . . . . . . . 13 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → 𝑊𝐻)
23223ad2ant1 1075 . . . . . . . . . . . 12 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → 𝑊𝐻)
243, 8lhpbase 34302 . . . . . . . . . . . 12 (𝑊𝐻𝑊𝐵)
2523, 24syl 17 . . . . . . . . . . 11 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → 𝑊𝐵)
263, 4, 6latlem12 16901 . . . . . . . . . . 11 ((𝐾 ∈ Lat ∧ (𝑋𝐵𝑌𝐵𝑊𝐵)) → ((𝑋 𝑌𝑋 𝑊) ↔ 𝑋 (𝑌(meet‘𝐾)𝑊)))
2717, 19, 21, 25, 26syl13anc 1320 . . . . . . . . . 10 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → ((𝑋 𝑌𝑋 𝑊) ↔ 𝑋 (𝑌(meet‘𝐾)𝑊)))
2811, 13, 27mpbi2and 958 . . . . . . . . 9 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → 𝑋 (𝑌(meet‘𝐾)𝑊))
29 simp1l1 1147 . . . . . . . . . 10 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝐾 ∈ HL ∧ 𝑊𝐻))
30 simp1l2 1148 . . . . . . . . . 10 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝑋𝐵𝑋 𝑊))
313, 6latmcl 16875 . . . . . . . . . . 11 ((𝐾 ∈ Lat ∧ 𝑌𝐵𝑊𝐵) → (𝑌(meet‘𝐾)𝑊) ∈ 𝐵)
3217, 21, 25, 31syl3anc 1318 . . . . . . . . . 10 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝑌(meet‘𝐾)𝑊) ∈ 𝐵)
333, 4, 6latmle2 16900 . . . . . . . . . . 11 ((𝐾 ∈ Lat ∧ 𝑌𝐵𝑊𝐵) → (𝑌(meet‘𝐾)𝑊) 𝑊)
3417, 21, 25, 33syl3anc 1318 . . . . . . . . . 10 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝑌(meet‘𝐾)𝑊) 𝑊)
35 eqid 2610 . . . . . . . . . . 11 ((DIsoB‘𝐾)‘𝑊) = ((DIsoB‘𝐾)‘𝑊)
363, 4, 8, 35dibord 35466 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ ((𝑌(meet‘𝐾)𝑊) ∈ 𝐵 ∧ (𝑌(meet‘𝐾)𝑊) 𝑊)) → ((((DIsoB‘𝐾)‘𝑊)‘𝑋) ⊆ (((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊)) ↔ 𝑋 (𝑌(meet‘𝐾)𝑊)))
3729, 30, 32, 34, 36syl112anc 1322 . . . . . . . . 9 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → ((((DIsoB‘𝐾)‘𝑊)‘𝑋) ⊆ (((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊)) ↔ 𝑋 (𝑌(meet‘𝐾)𝑊)))
3828, 37mpbird 246 . . . . . . . 8 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (((DIsoB‘𝐾)‘𝑊)‘𝑋) ⊆ (((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊)))
39 eqid 2610 . . . . . . . . . . . 12 ((DVecH‘𝐾)‘𝑊) = ((DVecH‘𝐾)‘𝑊)
408, 39, 29dvhlmod 35417 . . . . . . . . . . 11 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → ((DVecH‘𝐾)‘𝑊) ∈ LMod)
41 eqid 2610 . . . . . . . . . . . 12 (LSubSp‘((DVecH‘𝐾)‘𝑊)) = (LSubSp‘((DVecH‘𝐾)‘𝑊))
4241lsssssubg 18779 . . . . . . . . . . 11 (((DVecH‘𝐾)‘𝑊) ∈ LMod → (LSubSp‘((DVecH‘𝐾)‘𝑊)) ⊆ (SubGrp‘((DVecH‘𝐾)‘𝑊)))
4340, 42syl 17 . . . . . . . . . 10 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (LSubSp‘((DVecH‘𝐾)‘𝑊)) ⊆ (SubGrp‘((DVecH‘𝐾)‘𝑊)))
44 simp2 1055 . . . . . . . . . . 11 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊))
45 eqid 2610 . . . . . . . . . . . 12 ((DIsoC‘𝐾)‘𝑊) = ((DIsoC‘𝐾)‘𝑊)
464, 7, 8, 39, 45, 41diclss 35500 . . . . . . . . . . 11 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊)) → (((DIsoC‘𝐾)‘𝑊)‘𝑟) ∈ (LSubSp‘((DVecH‘𝐾)‘𝑊)))
4729, 44, 46syl2anc 691 . . . . . . . . . 10 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (((DIsoC‘𝐾)‘𝑊)‘𝑟) ∈ (LSubSp‘((DVecH‘𝐾)‘𝑊)))
4843, 47sseldd 3569 . . . . . . . . 9 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (((DIsoC‘𝐾)‘𝑊)‘𝑟) ∈ (SubGrp‘((DVecH‘𝐾)‘𝑊)))
493, 4, 8, 39, 35, 41diblss 35477 . . . . . . . . . . 11 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ ((𝑌(meet‘𝐾)𝑊) ∈ 𝐵 ∧ (𝑌(meet‘𝐾)𝑊) 𝑊)) → (((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊)) ∈ (LSubSp‘((DVecH‘𝐾)‘𝑊)))
5029, 32, 34, 49syl12anc 1316 . . . . . . . . . 10 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊)) ∈ (LSubSp‘((DVecH‘𝐾)‘𝑊)))
5143, 50sseldd 3569 . . . . . . . . 9 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊)) ∈ (SubGrp‘((DVecH‘𝐾)‘𝑊)))
52 eqid 2610 . . . . . . . . . 10 (LSSum‘((DVecH‘𝐾)‘𝑊)) = (LSSum‘((DVecH‘𝐾)‘𝑊))
5352lsmub2 17895 . . . . . . . . 9 (((((DIsoC‘𝐾)‘𝑊)‘𝑟) ∈ (SubGrp‘((DVecH‘𝐾)‘𝑊)) ∧ (((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊)) ∈ (SubGrp‘((DVecH‘𝐾)‘𝑊))) → (((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊)) ⊆ ((((DIsoC‘𝐾)‘𝑊)‘𝑟)(LSSum‘((DVecH‘𝐾)‘𝑊))(((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊))))
5448, 51, 53syl2anc 691 . . . . . . . 8 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊)) ⊆ ((((DIsoC‘𝐾)‘𝑊)‘𝑟)(LSSum‘((DVecH‘𝐾)‘𝑊))(((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊))))
5538, 54sstrd 3578 . . . . . . 7 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (((DIsoB‘𝐾)‘𝑊)‘𝑋) ⊆ ((((DIsoC‘𝐾)‘𝑊)‘𝑟)(LSSum‘((DVecH‘𝐾)‘𝑊))(((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊))))
56 dihord3.i . . . . . . . . 9 𝐼 = ((DIsoH‘𝐾)‘𝑊)
573, 4, 8, 56, 35dihvalb 35544 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊)) → (𝐼𝑋) = (((DIsoB‘𝐾)‘𝑊)‘𝑋))
5829, 30, 57syl2anc 691 . . . . . . 7 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝐼𝑋) = (((DIsoB‘𝐾)‘𝑊)‘𝑋))
59 simp1l3 1149 . . . . . . . 8 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝑌𝐵 ∧ ¬ 𝑌 𝑊))
60 simp3 1056 . . . . . . . 8 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌)
613, 4, 5, 6, 7, 8, 56, 35, 45, 39, 52dihvalcq 35543 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊) ∧ ((𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌)) → (𝐼𝑌) = ((((DIsoC‘𝐾)‘𝑊)‘𝑟)(LSSum‘((DVecH‘𝐾)‘𝑊))(((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊))))
6229, 59, 44, 60, 61syl112anc 1322 . . . . . . 7 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝐼𝑌) = ((((DIsoC‘𝐾)‘𝑊)‘𝑟)(LSSum‘((DVecH‘𝐾)‘𝑊))(((DIsoB‘𝐾)‘𝑊)‘(𝑌(meet‘𝐾)𝑊))))
6355, 58, 623sstr4d 3611 . . . . . 6 (((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) ∧ (𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝐼𝑋) ⊆ (𝐼𝑌))
64633exp 1256 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → ((𝑟 ∈ (Atoms‘𝐾) ∧ ¬ 𝑟 𝑊) → ((𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌 → (𝐼𝑋) ⊆ (𝐼𝑌))))
6564expd 451 . . . 4 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → (𝑟 ∈ (Atoms‘𝐾) → (¬ 𝑟 𝑊 → ((𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌 → (𝐼𝑋) ⊆ (𝐼𝑌)))))
6665imp4a 612 . . 3 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → (𝑟 ∈ (Atoms‘𝐾) → ((¬ 𝑟 𝑊 ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝐼𝑋) ⊆ (𝐼𝑌))))
6766rexlimdv 3012 . 2 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → (∃𝑟 ∈ (Atoms‘𝐾)(¬ 𝑟 𝑊 ∧ (𝑟(join‘𝐾)(𝑌(meet‘𝐾)𝑊)) = 𝑌) → (𝐼𝑋) ⊆ (𝐼𝑌)))
6810, 67mpd 15 1 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑋𝐵𝑋 𝑊) ∧ (𝑌𝐵 ∧ ¬ 𝑌 𝑊)) ∧ 𝑋 𝑌) → (𝐼𝑋) ⊆ (𝐼𝑌))
 Colors of variables: wff setvar class Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 195   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977  ∃wrex 2897   ⊆ wss 3540   class class class wbr 4583  ‘cfv 5804  (class class class)co 6549  Basecbs 15695  lecple 15775  joincjn 16767  meetcmee 16768  Latclat 16868  SubGrpcsubg 17411  LSSumclsm 17872  LModclmod 18686  LSubSpclss 18753  Atomscatm 33568  HLchlt 33655  LHypclh 34288  DVecHcdvh 35385  DIsoBcdib 35445  DIsoCcdic 35479  DIsoHcdih 35535 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  ax-cnex 9871  ax-resscn 9872  ax-1cn 9873  ax-icn 9874  ax-addcl 9875  ax-addrcl 9876  ax-mulcl 9877  ax-mulrcl 9878  ax-mulcom 9879  ax-addass 9880  ax-mulass 9881  ax-distr 9882  ax-i2m1 9883  ax-1ne0 9884  ax-1rid 9885  ax-rnegex 9886  ax-rrecex 9887  ax-cnre 9888  ax-pre-lttri 9889  ax-pre-lttrn 9890  ax-pre-ltadd 9891  ax-pre-mulgt0 9892  ax-riotaBAD 33257 This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-fal 1481  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-nel 2783  df-ral 2901  df-rex 2902  df-reu 2903  df-rmo 2904  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-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4373  df-int 4411  df-iun 4457  df-iin 4458  df-br 4584  df-opab 4644  df-mpt 4645  df-tr 4681  df-eprel 4949  df-id 4953  df-po 4959  df-so 4960  df-fr 4997  df-we 4999  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-pred 5597  df-ord 5643  df-on 5644  df-lim 5645  df-suc 5646  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-om 6958  df-1st 7059  df-2nd 7060  df-tpos 7239  df-undef 7286  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-1o 7447  df-oadd 7451  df-er 7629  df-map 7746  df-en 7842  df-dom 7843  df-sdom 7844  df-fin 7845  df-pnf 9955  df-mnf 9956  df-xr 9957  df-ltxr 9958  df-le 9959  df-sub 10147  df-neg 10148  df-nn 10898  df-2 10956  df-3 10957  df-4 10958  df-5 10959  df-6 10960  df-n0 11170  df-z 11255  df-uz 11564  df-fz 12198  df-struct 15697  df-ndx 15698  df-slot 15699  df-base 15700  df-sets 15701  df-ress 15702  df-plusg 15781  df-mulr 15782  df-sca 15784  df-vsca 15785  df-0g 15925  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-mgm 17065  df-sgrp 17107  df-mnd 17118  df-submnd 17159  df-grp 17248  df-minusg 17249  df-sbg 17250  df-subg 17414  df-cntz 17573  df-lsm 17874  df-cmn 18018  df-abl 18019  df-mgp 18313  df-ur 18325  df-ring 18372  df-oppr 18446  df-dvdsr 18464  df-unit 18465  df-invr 18495  df-dvr 18506  df-drng 18572  df-lmod 18688  df-lss 18754  df-lsp 18793  df-lvec 18924  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-llines 33802  df-lplanes 33803  df-lvols 33804  df-lines 33805  df-psubsp 33807  df-pmap 33808  df-padd 34100  df-lhyp 34292  df-laut 34293  df-ldil 34408  df-ltrn 34409  df-trl 34464  df-tendo 35061  df-edring 35063  df-disoa 35336  df-dvech 35386  df-dib 35446  df-dic 35480  df-dih 35536 This theorem is referenced by:  dihord  35571
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