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Mirrors > Home > ILE Home > Th. List > rabid | 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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rab 2399 |
. 2
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2 | 1 | abeq2i 2225 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1406 ax-gen 1408 ax-ie1 1452 ax-ie2 1453 ax-8 1465 ax-4 1470 ax-17 1489 ax-i9 1493 ax-ial 1497 ax-ext 2097 |
This theorem depends on definitions: df-bi 116 df-sb 1719 df-clab 2102 df-cleq 2108 df-clel 2111 df-rab 2399 |
This theorem is referenced by: rabeq2i 2654 rabn0m 3356 repizf2lem 4045 rabxfrd 4350 onintrab2im 4394 tfis 4457 imasnopn 12310 |
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