Description: A singleton has 0 Lebesgue measure. (Contributed by Glauco Siliprandi, 11-Dec-2019)
Ref | Expression | ||
---|---|---|---|
Assertion | volsn | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | snmbl | |
|
2 | mblvol | |
|
3 | 1 2 | syl | |
4 | ovolsn | |
|
5 | 3 4 | eqtrd | |