| Mathbox for Norm Megill |
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| Description: A Hilbert lattice satisfies the exchange axiom. Proposition 1(iii) of [Kalmbach] p. 140 and its converse. Originally proved by Garrett Birkhoff in 1933. (Th. cvexchi 11941 analog.) |
| Ref | Expression |
|---|---|
| cvrexch.b |
|
| cvrexch.j |
|
| cvrexch.m |
|
| cvrexch.c |
|
| Ref | Expression |
|---|---|
| cvrexch |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cvrexch.b |
. . 3
| |
| 2 | cvrexch.j |
. . 3
| |
| 3 | cvrexch.m |
. . 3
| |
| 4 | cvrexch.c |
. . 3
| |
| 5 | 1, 2, 3, 4 | cvrexchlem 17059 |
. 2
|
| 6 | simp1 876 |
. . . . 5
| |
| 7 | hlop 17025 |
. . . . . . 7
| |
| 8 | 7 | 3ad2ant1 897 |
. . . . . 6
|
| 9 | simp3 878 |
. . . . . 6
| |
| 10 | eqid 1884 |
. . . . . . 7
| |
| 11 | 1, 10 | opoccl 16921 |
. . . . . 6
|
| 12 | 8, 9, 11 | syl11anc 524 |
. . . . 5
|
| 13 | simp2 877 |
. . . . . 6
| |
| 14 | 1, 10 | opoccl 16921 |
. . . . . 6
|
| 15 | 8, 13, 14 | syl11anc 524 |
. . . . 5
|
| 16 | 1, 2, 3, 4 | cvrexchlem 17059 |
. . . . 5
|
| 17 | 6, 12, 15, 16 | syl111anc 1100 |
. . . 4
|
| 18 | 1, 2, 3, 10 | oldmj1 16950 |
. . . . . . 7
|
| 19 | hlol 17024 |
. . . . . . 7
| |
| 20 | 18, 19 | syl3an1 1130 |
. . . . . 6
|
| 21 | hllat 17026 |
. . . . . . . 8
| |
| 22 | 21 | 3ad2ant1 897 |
. . . . . . 7
|
| 23 | 1, 3 | latmcom 16870 |
. . . . . . 7
|
| 24 | 22, 15, 12, 23 | syl111anc 1100 |
. . . . . 6
|
| 25 | 20, 24 | eqtrd 1925 |
. . . . 5
|
| 26 | 25 | breq1d 3348 |
. . . 4
|
| 27 | 1, 2, 3, 10 | oldmm1 16946 |
. . . . . . 7
|
| 28 | 27, 19 | syl3an1 1130 |
. . . . . 6
|
| 29 | 1, 2 | latjcom 16860 |
. . . . . . 7
|
| 30 | 22, 15, 12, 29 | syl111anc 1100 |
. . . . . 6
|
| 31 | 28, 30 | eqtrd 1925 |
. . . . 5
|
| 32 | 31 | breq2d 3350 |
. . . 4
|
| 33 | 17, 26, 32 | 3imtr4d 602 |
. . 3
|
| 34 | 1, 2 | latjcl 16852 |
. . . . 5
|
| 35 | 34, 21 | syl3an1 1130 |
. . . 4
|
| 36 | 1, 10, 4 | cvrcon3b 16994 |
. . . 4
|
| 37 | 8, 13, 35, 36 | syl111anc 1100 |
. . 3
|
| 38 | 1, 3 | latmcl 16853 |
. . . . 5
|
| 39 | 38, 21 | syl3an1 1130 |
. . . 4
|
| 40 | 1, 10, 4 | cvrcon3b 16994 |
. . . 4
|
| 41 | 8, 39, 9, 40 | syl111anc 1100 |
. . 3
|
| 42 | 33, 37, 41 | 3imtr4d 602 |
. 2
|
| 43 | 5, 42 | impbid 574 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: cvrat3 17075 |
| 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-reu 2111 df-rab 2112 df-v 2294 df-sbc 2454 df-csb 2541 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-if 2983 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-f 4010 df-f1 4011 df-fo 4012 df-f1o 4013 df-fv 4014 df-opr 4886 df-oprab 4887 df-mpt 5006 df-mpt2 5007 df-iota 5089 df-er 5318 df-en 5427 df-dom 5428 df-sdom 5429 df-undef 5556 df-riota 5560 df-struct 16708 df-poset 16772 df-plt 16780 df-pge 16792 df-lub 16799 df-glb 16800 df-join 16801 df-meet 16802 df-p0 16841 df-lat 16847 df-clat 16848 df-oposet 16905 df-ol 16907 df-oml 16908 df-covers 16984 df-atoms 16985 df-atlat 16986 df-hlat 17017 |