Description: Comparison of two numbers whose difference is positive. Compare posdif . (Contributed by SN, 13-Feb-2024)
Ref | Expression | ||
---|---|---|---|
Assertion | reposdif |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reltsub1 | ||
2 | 1 | 3anidm13 | |
3 | resubid | ||
4 | 3 | adantr | |
5 | 4 | breq1d | |
6 | 2 5 | bitrd |