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Mirrors > Home > ILE Home > Th. List > eqcomd | Unicode version |
Description: Deduction from commutative law for class equality. (Contributed by NM, 15-Aug-1994.) |
Ref | Expression |
---|---|
eqcomd.1 |
Ref | Expression |
---|---|
eqcomd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqcomd.1 | . 2 | |
2 | eqcom 2167 | . 2 | |
3 | 1, 2 | sylib 121 | 1 |
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