Description: Swap denominator with other side of 'less than'. (Contributed by NM, 26-Sep-1999)
Ref | Expression | ||
---|---|---|---|
Hypotheses | ltplus1.1 | |
|
prodgt0.2 | |
||
ltmul1.3 | |
||
ltdiv23i.4 | |
||
ltdiv23i.5 | |
||
Assertion | ltdiv23ii | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ltplus1.1 | |
|
2 | prodgt0.2 | |
|
3 | ltmul1.3 | |
|
4 | ltdiv23i.4 | |
|
5 | ltdiv23i.5 | |
|
6 | 1 2 3 | ltdiv23i | |
7 | 4 5 6 | mp2an | |