Proof of Theorem omlfh3
| Step | Hyp | Ref
| Expression |
| 1 | | omlfh1.b |
. . . . . . 7
base   |
| 2 | | eqid 1884 |
. . . . . . 7
oc  oc   |
| 3 | | omlfh1.c |
. . . . . . 7
cm   |
| 4 | 1, 2, 3 | cmt4 16973 |
. . . . . 6
  OML
     oc        oc        |
| 5 | 4 | 3adant3r3 1079 |
. . . . 5
  OML        oc        oc        |
| 6 | 1, 2, 3 | cmt4 16973 |
. . . . . 6
  OML
     oc        oc        |
| 7 | 6 | 3adant3r2 1078 |
. . . . 5
  OML        oc        oc        |
| 8 | 5, 7 | anbi12d 690 |
. . . 4
  OML             oc        oc      oc        oc         |
| 9 | | simpl 346 |
. . . . 5
  OML    OML |
| 10 | | omlop 16962 |
. . . . . . . 8
 OML
OP |
| 11 | 10 | adantr 425 |
. . . . . . 7
  OML    OP |
| 12 | | simpr1 882 |
. . . . . . 7
  OML      |
| 13 | 1, 2 | opoccl 16921 |
. . . . . . 7
  OP
  oc       |
| 14 | 11, 12, 13 | syl11anc 524 |
. . . . . 6
  OML     oc       |
| 15 | | simpr2 883 |
. . . . . . 7
  OML      |
| 16 | 1, 2 | opoccl 16921 |
. . . . . . 7
  OP
  oc       |
| 17 | 11, 15, 16 | syl11anc 524 |
. . . . . 6
  OML     oc       |
| 18 | | simpr3 884 |
. . . . . . 7
  OML      |
| 19 | 1, 2 | opoccl 16921 |
. . . . . . 7
  OP
  oc       |
| 20 | 11, 18, 19 | syl11anc 524 |
. . . . . 6
  OML     oc       |
| 21 | 14, 17, 20 | 3jca 1050 |
. . . . 5
  OML      oc      oc      oc    
   |
| 22 | | omlfh1.j |
. . . . . . . 8
join   |
| 23 | | omlfh1.m |
. . . . . . . 8
meet   |
| 24 | 1, 22, 23, 3 | omlfh1 16978 |
. . . . . . 7
  OML   oc    
 oc      oc        oc        oc      oc        oc         oc         oc        oc          oc        oc          oc        oc         |
| 25 | 24 | fveq2d 4685 |
. . . . . 6
  OML   oc    
 oc      oc        oc        oc      oc        oc        oc      oc         oc        oc         oc       oc        oc          oc        oc          |
| 26 | 25 | 3exp 1066 |
. . . . 5
 OML
   oc    
 oc      oc         oc        oc      oc        oc       oc      oc         oc        oc         oc       oc        oc          oc        oc            |
| 27 | 9, 21, 26 | sylc 83 |
. . . 4
  OML       oc        oc      oc        oc       oc      oc         oc        oc         oc       oc        oc          oc        oc           |
| 28 | 8, 27 | sylbid 220 |
. . 3
  OML            oc      oc         oc        oc         oc       oc        oc          oc        oc           |
| 29 | 28 | 3impia 1064 |
. 2
  OML           oc      oc         oc        oc         oc       oc        oc          oc        oc          |
| 30 | | omlol 16961 |
. . . . . 6
 OML
OL |
| 31 | 30 | adantr 425 |
. . . . 5
  OML    OL |
| 32 | | omllat 16963 |
. . . . . . 7
 OML
LatNEW |
| 33 | 32 | adantr 425 |
. . . . . 6
  OML    LatNEW |
| 34 | 1, 22 | latjcl 16852 |
. . . . . 6
  LatNEW  oc      oc        oc        oc        |
| 35 | 33, 17, 20, 34 | syl111anc 1100 |
. . . . 5
  OML      oc        oc        |
| 36 | 1, 22, 23, 2 | oldmm2 16947 |
. . . . 5
  OL
  oc        oc        oc      oc         oc        oc            oc      oc        oc          |
| 37 | 31, 12, 35, 36 | syl111anc 1100 |
. . . 4
  OML     oc      oc         oc        oc            oc      oc        oc          |
| 38 | 1, 22, 23, 2 | oldmj4 16953 |
. . . . . 6
  OL
  oc      oc        oc             |
| 39 | 31, 15, 18, 38 | syl111anc 1100 |
. . . . 5
  OML     oc      oc        oc             |
| 40 | 39 | opreq2d 4898 |
. . . 4
  OML        oc      oc        oc                  |
| 41 | 37, 40 | eqtr2d 1926 |
. . 3
  OML             oc      oc         oc        oc          |
| 42 | 41 | 3adant3 896 |
. 2
  OML                   oc      oc         oc        oc          |
| 43 | 1, 23 | latmcl 16853 |
. . . . . 6
  LatNEW  oc      oc        oc        oc        |
| 44 | 33, 14, 17, 43 | syl111anc 1100 |
. . . . 5
  OML      oc        oc        |
| 45 | 1, 23 | latmcl 16853 |
. . . . . 6
  LatNEW  oc      oc        oc        oc        |
| 46 | 33, 14, 20, 45 | syl111anc 1100 |
. . . . 5
  OML      oc        oc        |
| 47 | 1, 22, 23, 2 | oldmj1 16950 |
. . . . 5
  OL   oc        oc        oc        oc        oc       oc        oc          oc        oc          oc      oc        oc          oc      oc        oc          |
| 48 | 31, 44, 46, 47 | syl111anc 1100 |
. . . 4
  OML     oc       oc        oc          oc        oc          oc      oc        oc          oc      oc        oc          |
| 49 | 1, 22, 23, 2 | oldmm4 16949 |
. . . . . 6
  OL
  oc      oc        oc             |
| 50 | 31, 12, 15, 49 | syl111anc 1100 |
. . . . 5
  OML     oc      oc        oc             |
| 51 | 1, 22, 23, 2 | oldmm4 16949 |
. . . . . 6
  OL
  oc      oc        oc             |
| 52 | 31, 12, 18, 51 | syl111anc 1100 |
. . . . 5
  OML     oc      oc        oc             |
| 53 | 50, 52 | opreq12d 4900 |
. . . 4
  OML      oc      oc        oc          oc      oc        oc                      |
| 54 | 48, 53 | eqtr2d 1926 |
. . 3
  OML                 oc       oc        oc          oc        oc          |
| 55 | 54 | 3adant3 896 |
. 2
  OML                       oc       oc        oc          oc        oc          |
| 56 | 29, 42, 55 | 3eqtr4d 1937 |
1
  OML                                |