Description: Closure of motions. (Contributed by Thierry Arnoux, 15-Dec-2019)
Ref | Expression | ||
---|---|---|---|
Hypotheses | ismot.p | |
|
ismot.m | |
||
motgrp.1 | |
||
motco.2 | |
||
motcl.a | |
||
Assertion | motcl | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ismot.p | |
|
2 | ismot.m | |
|
3 | motgrp.1 | |
|
4 | motco.2 | |
|
5 | motcl.a | |
|
6 | 1 2 3 4 | motf1o | |
7 | f1of | |
|
8 | 6 7 | syl | |
9 | 8 5 | ffvelcdmd | |