Description: 'Less than' relationship between subtraction and addition. (Contributed by NM, 21-Jan-1997)
Ref | Expression | ||
---|---|---|---|
Hypotheses | lt2.1 | |
|
lt2.2 | |
||
lt2.3 | |
||
Assertion | ltsubadd2i | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lt2.1 | |
|
2 | lt2.2 | |
|
3 | lt2.3 | |
|
4 | ltsubadd2 | |
|
5 | 1 2 3 4 | mp3an | |