Description: Cancellation law for division and multiplication. (Contributed by Mario Carneiro, 27-May-2016)
Ref | Expression | ||
---|---|---|---|
Hypotheses | div1d.1 | |
|
divcld.2 | |
||
divmuld.3 | |
||
divmuld.4 | |
||
divdiv23d.5 | |
||
Assertion | dmdcand | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | div1d.1 | |
|
2 | divcld.2 | |
|
3 | divmuld.3 | |
|
4 | divmuld.4 | |
|
5 | divdiv23d.5 | |
|
6 | dmdcan | |
|
7 | 2 4 3 5 1 6 | syl221anc | |