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| Mirrors > Home > MPE Home > Th. List > mulassd | Structured version Visualization version Unicode version | ||
| Description: Associative law for multiplication. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| addcld.1 |
|
| addcld.2 |
|
| addassd.3 |
|
| Ref | Expression |
|---|---|
| mulassd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addcld.1 |
. 2
| |
| 2 | addcld.2 |
. 2
| |
| 3 | addassd.3 |
. 2
| |
| 4 | mulass 10024 |
. 2
| |
| 5 | 1, 2, 3, 4 | syl3anc 1326 |
1
|
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