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Mirrors > Home > ILE Home > Th. List > mulcomd | Unicode version |
Description: Commutative law for multiplication. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
addcld.1 | |
addcld.2 |
Ref | Expression |
---|---|
mulcomd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | addcld.1 | . 2 | |
2 | addcld.2 | . 2 | |
3 | mulcom 7863 | . 2 | |
4 | 1, 2, 3 | syl2anc 409 | 1 |
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