Step | Hyp | Ref
| Expression |
1 | | simp13 1205 |
. . . . 5
β’ (((πΎ β OML β§ πΎ β CLat β§ πΎ β CvLat) β§ π β π΅ β§ π β π΄) β πΎ β CvLat) |
2 | | cvllat 38499 |
. . . . 5
β’ (πΎ β CvLat β πΎ β Lat) |
3 | 1, 2 | syl 17 |
. . . 4
β’ (((πΎ β OML β§ πΎ β CLat β§ πΎ β CvLat) β§ π β π΅ β§ π β π΄) β πΎ β Lat) |
4 | | simp2 1137 |
. . . 4
β’ (((πΎ β OML β§ πΎ β CLat β§ πΎ β CvLat) β§ π β π΅ β§ π β π΄) β π β π΅) |
5 | | cvlcvrp.b |
. . . . . 6
β’ π΅ = (BaseβπΎ) |
6 | | cvlcvrp.a |
. . . . . 6
β’ π΄ = (AtomsβπΎ) |
7 | 5, 6 | atbase 38462 |
. . . . 5
β’ (π β π΄ β π β π΅) |
8 | 7 | 3ad2ant3 1135 |
. . . 4
β’ (((πΎ β OML β§ πΎ β CLat β§ πΎ β CvLat) β§ π β π΅ β§ π β π΄) β π β π΅) |
9 | | cvlcvrp.m |
. . . . 5
β’ β§ =
(meetβπΎ) |
10 | 5, 9 | latmcom 18420 |
. . . 4
β’ ((πΎ β Lat β§ π β π΅ β§ π β π΅) β (π β§ π) = (π β§ π)) |
11 | 3, 4, 8, 10 | syl3anc 1371 |
. . 3
β’ (((πΎ β OML β§ πΎ β CLat β§ πΎ β CvLat) β§ π β π΅ β§ π β π΄) β (π β§ π) = (π β§ π)) |
12 | 11 | eqeq1d 2734 |
. 2
β’ (((πΎ β OML β§ πΎ β CLat β§ πΎ β CvLat) β§ π β π΅ β§ π β π΄) β ((π β§ π) = 0 β (π β§ π) = 0 )) |
13 | | cvlatl 38498 |
. . . 4
β’ (πΎ β CvLat β πΎ β AtLat) |
14 | 1, 13 | syl 17 |
. . 3
β’ (((πΎ β OML β§ πΎ β CLat β§ πΎ β CvLat) β§ π β π΅ β§ π β π΄) β πΎ β AtLat) |
15 | | simp3 1138 |
. . 3
β’ (((πΎ β OML β§ πΎ β CLat β§ πΎ β CvLat) β§ π β π΅ β§ π β π΄) β π β π΄) |
16 | | eqid 2732 |
. . . 4
β’
(leβπΎ) =
(leβπΎ) |
17 | | cvlcvrp.z |
. . . 4
β’ 0 =
(0.βπΎ) |
18 | 5, 16, 9, 17, 6 | atnle 38490 |
. . 3
β’ ((πΎ β AtLat β§ π β π΄ β§ π β π΅) β (Β¬ π(leβπΎ)π β (π β§ π) = 0 )) |
19 | 14, 15, 4, 18 | syl3anc 1371 |
. 2
β’ (((πΎ β OML β§ πΎ β CLat β§ πΎ β CvLat) β§ π β π΅ β§ π β π΄) β (Β¬ π(leβπΎ)π β (π β§ π) = 0 )) |
20 | | cvlcvrp.j |
. . 3
β’ β¨ =
(joinβπΎ) |
21 | | cvlcvrp.c |
. . 3
β’ πΆ = ( β βπΎ) |
22 | 5, 16, 20, 21, 6 | cvlcvr1 38512 |
. 2
β’ (((πΎ β OML β§ πΎ β CLat β§ πΎ β CvLat) β§ π β π΅ β§ π β π΄) β (Β¬ π(leβπΎ)π β ππΆ(π β¨ π))) |
23 | 12, 19, 22 | 3bitr2d 306 |
1
β’ (((πΎ β OML β§ πΎ β CLat β§ πΎ β CvLat) β§ π β π΅ β§ π β π΄) β ((π β§ π) = 0 β ππΆ(π β¨ π))) |