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Mirrors > Home > ILE Home > Th. List > eqcomi | Unicode version |
Description: Inference from commutative law for class equality. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
eqcomi.1 |
Ref | Expression |
---|---|
eqcomi |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqcomi.1 | . 2 | |
2 | eqcom 2167 | . 2 | |
3 | 1, 2 | mpbi 144 | 1 |
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