Description: The dimensional volume of a n-dimensional half-open interval is less than or equal the generalized sum of the dimensional volumes of countable half-open intervals that cover it. Lemma 115B of Fremlin1 p. 29. (Contributed by Glauco Siliprandi, 21-Nov-2020)
Ref | Expression | ||
---|---|---|---|
Hypotheses | hoidmvle.l | |
|
hoidmvle.x | |
||
hoidmvle.a | |
||
hoidmvle.b | |
||
hoidmvle.c | |
||
hoidmvle.d | |
||
hoidmvle.s | |
||
Assertion | hoidmvle | |