| Mathbox for Norm Megill |
< Previous
Next >
Related theorems Unicode version |
| Description: Two ways of expressing "less than or equal to the greatest lower bound." |
| Ref | Expression |
|---|---|
| clatglb.b |
|
| clatglb.l |
|
| clatglb.g |
|
| Ref | Expression |
|---|---|
| clatleglb |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | clatglb.b |
. . . . . . 7
| |
| 2 | clatglb.l |
. . . . . . 7
| |
| 3 | clatglb.g |
. . . . . . 7
| |
| 4 | 1, 2, 3 | clatglble 16902 |
. . . . . 6
|
| 5 | 4 | 3expa 1067 |
. . . . 5
|
| 6 | 5 | 3adantl2 1033 |
. . . 4
|
| 7 | simpl1 879 |
. . . . . 6
| |
| 8 | clatlat 16893 |
. . . . . 6
| |
| 9 | 7, 8 | syl 12 |
. . . . 5
|
| 10 | simpl2 880 |
. . . . 5
| |
| 11 | 1, 3 | clatglbcl 16891 |
. . . . . . 7
|
| 12 | 11 | 3adant2 895 |
. . . . . 6
|
| 13 | 12 | adantr 425 |
. . . . 5
|
| 14 | ssel 2615 |
. . . . . . 7
| |
| 15 | 14 | 3ad2ant3 899 |
. . . . . 6
|
| 16 | 15 | imp 377 |
. . . . 5
|
| 17 | 1, 2 | lattr 16858 |
. . . . 5
|
| 18 | 9, 10, 13, 16, 17 | syl13anc 1102 |
. . . 4
|
| 19 | 6, 18 | mpan2d 766 |
. . 3
|
| 20 | 19 | r19.21adva 2182 |
. 2
|
| 21 | 1, 2, 3 | clatglb 16901 |
. . . . . . 7
|
| 22 | 21 | simprd 352 |
. . . . . 6
|
| 23 | breq1 3341 |
. . . . . . . . 9
| |
| 24 | 23 | ralbidv 2123 |
. . . . . . . 8
|
| 25 | breq1 3341 |
. . . . . . . 8
| |
| 26 | 24, 25 | imbi12d 688 |
. . . . . . 7
|
| 27 | 26 | rcla4cv 2377 |
. . . . . 6
|
| 28 | 22, 27 | syl 12 |
. . . . 5
|
| 29 | 28 | ex 402 |
. . . 4
|
| 30 | 29 | com23 36 |
. . 3
|
| 31 | 30 | 3imp 1061 |
. 2
|
| 32 | 20, 31 | impbid 574 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: pmapglbx 17251 |
| 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-pge 16792 df-glb 16800 df-join 16801 df-meet 16802 df-lat 16847 df-clat 16848 |