Proof of Theorem dihord2b
| Step | Hyp | Ref
| Expression |
| 1 | | dihjust.h |
. . . . . 6
⊢ 𝐻 = (LHyp‘𝐾) |
| 2 | | dihjust.u |
. . . . . 6
⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊) |
| 3 | | simp11 1203 |
. . . . . 6
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻)) |
| 4 | 1, 2, 3 | dvhlmod 41071 |
. . . . 5
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → 𝑈 ∈ LMod) |
| 5 | | eqid 2734 |
. . . . . 6
⊢
(LSubSp‘𝑈) =
(LSubSp‘𝑈) |
| 6 | 5 | lsssssubg 20924 |
. . . . 5
⊢ (𝑈 ∈ LMod →
(LSubSp‘𝑈) ⊆
(SubGrp‘𝑈)) |
| 7 | 4, 6 | syl 17 |
. . . 4
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → (LSubSp‘𝑈) ⊆ (SubGrp‘𝑈)) |
| 8 | | simp12 1204 |
. . . . 5
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) |
| 9 | | dihjust.l |
. . . . . 6
⊢ ≤ =
(le‘𝐾) |
| 10 | | dihjust.a |
. . . . . 6
⊢ 𝐴 = (Atoms‘𝐾) |
| 11 | | dihjust.J |
. . . . . 6
⊢ 𝐽 = ((DIsoC‘𝐾)‘𝑊) |
| 12 | 9, 10, 1, 2, 11, 5 | diclss 41154 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) → (𝐽‘𝑄) ∈ (LSubSp‘𝑈)) |
| 13 | 3, 8, 12 | syl2anc 584 |
. . . 4
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → (𝐽‘𝑄) ∈ (LSubSp‘𝑈)) |
| 14 | 7, 13 | sseldd 3964 |
. . 3
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → (𝐽‘𝑄) ∈ (SubGrp‘𝑈)) |
| 15 | | simp11l 1284 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → 𝐾 ∈ HL) |
| 16 | 15 | hllatd 39324 |
. . . . . 6
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → 𝐾 ∈ Lat) |
| 17 | | simp2l 1199 |
. . . . . 6
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → 𝑋 ∈ 𝐵) |
| 18 | | simp11r 1285 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → 𝑊 ∈ 𝐻) |
| 19 | | dihjust.b |
. . . . . . . 8
⊢ 𝐵 = (Base‘𝐾) |
| 20 | 19, 1 | lhpbase 39959 |
. . . . . . 7
⊢ (𝑊 ∈ 𝐻 → 𝑊 ∈ 𝐵) |
| 21 | 18, 20 | syl 17 |
. . . . . 6
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → 𝑊 ∈ 𝐵) |
| 22 | | dihjust.m |
. . . . . . 7
⊢ ∧ =
(meet‘𝐾) |
| 23 | 19, 22 | latmcl 18454 |
. . . . . 6
⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵) → (𝑋 ∧ 𝑊) ∈ 𝐵) |
| 24 | 16, 17, 21, 23 | syl3anc 1372 |
. . . . 5
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → (𝑋 ∧ 𝑊) ∈ 𝐵) |
| 25 | 19, 9, 22 | latmle2 18479 |
. . . . . 6
⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵) → (𝑋 ∧ 𝑊) ≤ 𝑊) |
| 26 | 16, 17, 21, 25 | syl3anc 1372 |
. . . . 5
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → (𝑋 ∧ 𝑊) ≤ 𝑊) |
| 27 | | dihjust.i |
. . . . . 6
⊢ 𝐼 = ((DIsoB‘𝐾)‘𝑊) |
| 28 | 19, 9, 1, 2, 27, 5 | diblss 41131 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑋 ∧ 𝑊) ∈ 𝐵 ∧ (𝑋 ∧ 𝑊) ≤ 𝑊)) → (𝐼‘(𝑋 ∧ 𝑊)) ∈ (LSubSp‘𝑈)) |
| 29 | 3, 24, 26, 28 | syl12anc 836 |
. . . 4
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → (𝐼‘(𝑋 ∧ 𝑊)) ∈ (LSubSp‘𝑈)) |
| 30 | 7, 29 | sseldd 3964 |
. . 3
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → (𝐼‘(𝑋 ∧ 𝑊)) ∈ (SubGrp‘𝑈)) |
| 31 | | dihjust.s |
. . . 4
⊢ ⊕ =
(LSSum‘𝑈) |
| 32 | 31 | lsmub2 19644 |
. . 3
⊢ (((𝐽‘𝑄) ∈ (SubGrp‘𝑈) ∧ (𝐼‘(𝑋 ∧ 𝑊)) ∈ (SubGrp‘𝑈)) → (𝐼‘(𝑋 ∧ 𝑊)) ⊆ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊)))) |
| 33 | 14, 30, 32 | syl2anc 584 |
. 2
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → (𝐼‘(𝑋 ∧ 𝑊)) ⊆ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊)))) |
| 34 | | simp3 1138 |
. 2
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) |
| 35 | 33, 34 | sstrd 3974 |
1
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) → (𝐼‘(𝑋 ∧ 𝑊)) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑌 ∧ 𝑊)))) |