| Mathbox for Norm Megill |
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Related theorems Unicode version |
| Description: A Hilbert lattice has a height of at least 2. |
| Ref | Expression |
|---|---|
| hlhght4.b |
|
| hlhght4.s |
|
| hlhght4.z |
|
| hlhght4.u |
|
| Ref | Expression |
|---|---|
| hlhght2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hlhght4.b |
. . 3
| |
| 2 | hlhght4.s |
. . 3
| |
| 3 | hlhght4.z |
. . 3
| |
| 4 | hlhght4.u |
. . 3
| |
| 5 | 1, 2, 3, 4 | hlhght4 17037 |
. 2
|
| 6 | simplll 452 |
. . . . . . . 8
| |
| 7 | hlpos 17027 |
. . . . . . . 8
| |
| 8 | 6, 7 | syl 12 |
. . . . . . 7
|
| 9 | hlop 17025 |
. . . . . . . 8
| |
| 10 | 1, 3 | op0cl 16914 |
. . . . . . . 8
|
| 11 | 6, 9, 10 | 3syl 24 |
. . . . . . 7
|
| 12 | simpllr 453 |
. . . . . . 7
| |
| 13 | simplr 449 |
. . . . . . 7
| |
| 14 | 1, 2 | plttr 16790 |
. . . . . . 7
|
| 15 | 8, 11, 12, 13, 14 | syl13anc 1102 |
. . . . . 6
|
| 16 | simpr 350 |
. . . . . . 7
| |
| 17 | 1, 4 | op1cl 16915 |
. . . . . . . 8
|
| 18 | 6, 9, 17 | 3syl 24 |
. . . . . . 7
|
| 19 | 1, 2 | plttr 16790 |
. . . . . . 7
|
| 20 | 8, 13, 16, 18, 19 | syl13anc 1102 |
. . . . . 6
|
| 21 | 15, 20 | anim12d 617 |
. . . . 5
|
| 22 | 21 | r19.23adva 2216 |
. . . 4
|
| 23 | 22 | reximdva 2203 |
. . 3
|
| 24 | 23 | r19.23adva 2216 |
. 2
|
| 25 | 5, 24 | mpd 29 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: hl0lt1 17039 hl2atom 17053 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-rep 3428 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3an 860 df-tru 1262 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-ral 2109 df-rex 2110 df-rab 2112 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-op 3053 df-uni 3178 df-br 3339 df-opab 3396 df-id 3586 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fn 4009 df-fv 4014 df-opr 4886 df-mpt 5006 df-struct 16708 df-poset 16772 df-plt 16780 df-lat 16847 df-oposet 16905 df-ol 16907 df-oml 16908 df-atlat 16986 df-hlat 17017 |