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| Mirrors > Home > MPE Home > Th. List > eqcoms | Structured version Visualization version Unicode version | ||
| Description: Inference applying commutative law for class equality to an antecedent. (Contributed by NM, 24-Jun-1993.) |
| Ref | Expression |
|---|---|
| eqcoms.1 |
|
| Ref | Expression |
|---|---|
| eqcoms |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqcom 2629 |
. 2
| |
| 2 | eqcoms.1 |
. 2
| |
| 3 | 1, 2 | sylbi 207 |
1
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