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| Mirrors > Home > MPE Home > Th. List > rabid | Structured version Visualization version Unicode version | ||
| Description: An "identity" law of concretion for restricted abstraction. Special case of Definition 2.1 of [Quine] p. 16. (Contributed by NM, 9-Oct-2003.) |
| Ref | Expression |
|---|---|
| rabid |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-rab 2921 |
. 2
| |
| 2 | 1 | abeq2i 2735 |
1
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