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Mirrors > Home > MPE Home > Th. List > csbeq1d | Structured version Visualization version Unicode version |
Description: Equality deduction for proper substitution into a class. (Contributed by NM, 3-Dec-2005.) |
Ref | Expression |
---|---|
csbeq1d.1 |
Ref | Expression |
---|---|
csbeq1d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | csbeq1d.1 | . 2 | |
2 | csbeq1 3536 | . 2 | |
3 | 1, 2 | syl 17 | 1 |
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