Description: Refine o1bdd2 to give a strictly positive upper bound. (Contributed by Mario Carneiro, 25-May-2016)
Ref | Expression | ||
---|---|---|---|
Hypotheses | o1bdd2.1 | |
|
o1bdd2.2 | |
||
o1bdd2.3 | |
||
o1bdd2.4 | |
||
o1bdd2.5 | |
||
o1bdd2.6 | |
||
Assertion | o1bddrp | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | o1bdd2.1 | |
|
2 | o1bdd2.2 | |
|
3 | o1bdd2.3 | |
|
4 | o1bdd2.4 | |
|
5 | o1bdd2.5 | |
|
6 | o1bdd2.6 | |
|
7 | 3 | abscld | |
8 | 3 | lo1o12 | |
9 | 4 8 | mpbid | |
10 | 1 2 7 9 5 6 | lo1bddrp | |