Description: An atom is covered by its join with a different atom. (Contributed by NM, 7-Feb-2012)
Ref | Expression | ||
---|---|---|---|
Hypotheses | atcvr1.j | ||
atcvr1.c | |||
atcvr1.a | |||
Assertion | atcvr2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | atcvr1.j | ||
2 | atcvr1.c | ||
3 | atcvr1.a | ||
4 | hlomcmcv | ||
5 | 1 2 3 | cvlatcvr2 | |
6 | 4 5 | syl3an1 |