Proof of Theorem dihjustlem
| Step | Hyp | Ref
| Expression |
| 1 | | simp1l 1198 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → 𝐾 ∈ HL) |
| 2 | 1 | hllatd 39365 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → 𝐾 ∈ Lat) |
| 3 | | simp21l 1291 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → 𝑄 ∈ 𝐴) |
| 4 | | dihjust.b |
. . . . . . 7
⊢ 𝐵 = (Base‘𝐾) |
| 5 | | dihjust.a |
. . . . . . 7
⊢ 𝐴 = (Atoms‘𝐾) |
| 6 | 4, 5 | atbase 39290 |
. . . . . 6
⊢ (𝑄 ∈ 𝐴 → 𝑄 ∈ 𝐵) |
| 7 | 3, 6 | syl 17 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → 𝑄 ∈ 𝐵) |
| 8 | | simp23 1209 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → 𝑋 ∈ 𝐵) |
| 9 | | simp1r 1199 |
. . . . . . 7
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → 𝑊 ∈ 𝐻) |
| 10 | | dihjust.h |
. . . . . . . 8
⊢ 𝐻 = (LHyp‘𝐾) |
| 11 | 4, 10 | lhpbase 40000 |
. . . . . . 7
⊢ (𝑊 ∈ 𝐻 → 𝑊 ∈ 𝐵) |
| 12 | 9, 11 | syl 17 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → 𝑊 ∈ 𝐵) |
| 13 | | dihjust.m |
. . . . . . 7
⊢ ∧ =
(meet‘𝐾) |
| 14 | 4, 13 | latmcl 18485 |
. . . . . 6
⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵) → (𝑋 ∧ 𝑊) ∈ 𝐵) |
| 15 | 2, 8, 12, 14 | syl3anc 1373 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝑋 ∧ 𝑊) ∈ 𝐵) |
| 16 | | dihjust.l |
. . . . . 6
⊢ ≤ =
(le‘𝐾) |
| 17 | | dihjust.j |
. . . . . 6
⊢ ∨ =
(join‘𝐾) |
| 18 | 4, 16, 17 | latlej1 18493 |
. . . . 5
⊢ ((𝐾 ∈ Lat ∧ 𝑄 ∈ 𝐵 ∧ (𝑋 ∧ 𝑊) ∈ 𝐵) → 𝑄 ≤ (𝑄 ∨ (𝑋 ∧ 𝑊))) |
| 19 | 2, 7, 15, 18 | syl3anc 1373 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → 𝑄 ≤ (𝑄 ∨ (𝑋 ∧ 𝑊))) |
| 20 | | simp3 1139 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) |
| 21 | 19, 20 | breqtrd 5169 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → 𝑄 ≤ (𝑅 ∨ (𝑋 ∧ 𝑊))) |
| 22 | | simp1 1137 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻)) |
| 23 | | simp22 1208 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) |
| 24 | | simp21 1207 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) |
| 25 | 4, 16, 13 | latmle2 18510 |
. . . . . 6
⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵) → (𝑋 ∧ 𝑊) ≤ 𝑊) |
| 26 | 2, 8, 12, 25 | syl3anc 1373 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝑋 ∧ 𝑊) ≤ 𝑊) |
| 27 | 15, 26 | jca 511 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → ((𝑋 ∧ 𝑊) ∈ 𝐵 ∧ (𝑋 ∧ 𝑊) ≤ 𝑊)) |
| 28 | | dihjust.i |
. . . . 5
⊢ 𝐼 = ((DIsoB‘𝐾)‘𝑊) |
| 29 | | dihjust.J |
. . . . 5
⊢ 𝐽 = ((DIsoC‘𝐾)‘𝑊) |
| 30 | | dihjust.u |
. . . . 5
⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊) |
| 31 | | dihjust.s |
. . . . 5
⊢ ⊕ =
(LSSum‘𝑈) |
| 32 | 4, 16, 17, 5, 10, 28, 29, 30, 31 | cdlemn 41214 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ ((𝑋 ∧ 𝑊) ∈ 𝐵 ∧ (𝑋 ∧ 𝑊) ≤ 𝑊))) → (𝑄 ≤ (𝑅 ∨ (𝑋 ∧ 𝑊)) ↔ (𝐽‘𝑄) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊))))) |
| 33 | 22, 23, 24, 27, 32 | syl13anc 1374 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝑄 ≤ (𝑅 ∨ (𝑋 ∧ 𝑊)) ↔ (𝐽‘𝑄) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊))))) |
| 34 | 21, 33 | mpbid 232 |
. 2
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝐽‘𝑄) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊)))) |
| 35 | 10, 30, 22 | dvhlmod 41112 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → 𝑈 ∈ LMod) |
| 36 | | eqid 2737 |
. . . . . 6
⊢
(LSubSp‘𝑈) =
(LSubSp‘𝑈) |
| 37 | 36 | lsssssubg 20956 |
. . . . 5
⊢ (𝑈 ∈ LMod →
(LSubSp‘𝑈) ⊆
(SubGrp‘𝑈)) |
| 38 | 35, 37 | syl 17 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (LSubSp‘𝑈) ⊆ (SubGrp‘𝑈)) |
| 39 | 16, 5, 10, 30, 29, 36 | diclss 41195 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊)) → (𝐽‘𝑅) ∈ (LSubSp‘𝑈)) |
| 40 | 22, 23, 39 | syl2anc 584 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝐽‘𝑅) ∈ (LSubSp‘𝑈)) |
| 41 | 38, 40 | sseldd 3984 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝐽‘𝑅) ∈ (SubGrp‘𝑈)) |
| 42 | 4, 16, 10, 30, 28, 36 | diblss 41172 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑋 ∧ 𝑊) ∈ 𝐵 ∧ (𝑋 ∧ 𝑊) ≤ 𝑊)) → (𝐼‘(𝑋 ∧ 𝑊)) ∈ (LSubSp‘𝑈)) |
| 43 | 22, 15, 26, 42 | syl12anc 837 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝐼‘(𝑋 ∧ 𝑊)) ∈ (LSubSp‘𝑈)) |
| 44 | 38, 43 | sseldd 3984 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝐼‘(𝑋 ∧ 𝑊)) ∈ (SubGrp‘𝑈)) |
| 45 | 31 | lsmub2 19676 |
. . 3
⊢ (((𝐽‘𝑅) ∈ (SubGrp‘𝑈) ∧ (𝐼‘(𝑋 ∧ 𝑊)) ∈ (SubGrp‘𝑈)) → (𝐼‘(𝑋 ∧ 𝑊)) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊)))) |
| 46 | 41, 44, 45 | syl2anc 584 |
. 2
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝐼‘(𝑋 ∧ 𝑊)) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊)))) |
| 47 | 16, 5, 10, 30, 29, 36 | diclss 41195 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) → (𝐽‘𝑄) ∈ (LSubSp‘𝑈)) |
| 48 | 22, 24, 47 | syl2anc 584 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝐽‘𝑄) ∈ (LSubSp‘𝑈)) |
| 49 | 38, 48 | sseldd 3984 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (𝐽‘𝑄) ∈ (SubGrp‘𝑈)) |
| 50 | 36, 31 | lsmcl 21082 |
. . . . 5
⊢ ((𝑈 ∈ LMod ∧ (𝐽‘𝑅) ∈ (LSubSp‘𝑈) ∧ (𝐼‘(𝑋 ∧ 𝑊)) ∈ (LSubSp‘𝑈)) → ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ∈ (LSubSp‘𝑈)) |
| 51 | 35, 40, 43, 50 | syl3anc 1373 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ∈ (LSubSp‘𝑈)) |
| 52 | 38, 51 | sseldd 3984 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ∈ (SubGrp‘𝑈)) |
| 53 | 31 | lsmlub 19682 |
. . 3
⊢ (((𝐽‘𝑄) ∈ (SubGrp‘𝑈) ∧ (𝐼‘(𝑋 ∧ 𝑊)) ∈ (SubGrp‘𝑈) ∧ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ∈ (SubGrp‘𝑈)) → (((𝐽‘𝑄) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ∧ (𝐼‘(𝑋 ∧ 𝑊)) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊)))) ↔ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊))))) |
| 54 | 49, 44, 52, 53 | syl3anc 1373 |
. 2
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → (((𝐽‘𝑄) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ∧ (𝐼‘(𝑋 ∧ 𝑊)) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊)))) ↔ ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊))))) |
| 55 | 34, 46, 54 | mpbi2and 712 |
1
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ 𝑋 ∈ 𝐵) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = (𝑅 ∨ (𝑋 ∧ 𝑊))) → ((𝐽‘𝑄) ⊕ (𝐼‘(𝑋 ∧ 𝑊))) ⊆ ((𝐽‘𝑅) ⊕ (𝐼‘(𝑋 ∧ 𝑊)))) |