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Mirrors > Home > ILE Home > Th. List > cbvrabv | Unicode version |
Description: Rule to change the bound variable in a restricted class abstraction, using implicit substitution. (Contributed by NM, 26-May-1999.) |
Ref | Expression |
---|---|
cbvrabv.1 |
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Ref | Expression |
---|---|
cbvrabv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2229 |
. 2
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2 | nfcv 2229 |
. 2
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3 | nfv 1467 |
. 2
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4 | nfv 1467 |
. 2
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5 | cbvrabv.1 |
. 2
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6 | 1, 2, 3, 4, 5 | cbvrab 2618 |
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-io 666 ax-5 1382 ax-7 1383 ax-gen 1384 ax-ie1 1428 ax-ie2 1429 ax-8 1441 ax-10 1442 ax-11 1443 ax-i12 1444 ax-bndl 1445 ax-4 1446 ax-17 1465 ax-i9 1469 ax-ial 1473 ax-i5r 1474 ax-ext 2071 |
This theorem depends on definitions: df-bi 116 df-nf 1396 df-sb 1694 df-clab 2076 df-cleq 2082 df-clel 2085 df-nfc 2218 df-rab 2369 |
This theorem is referenced by: pwnss 4000 acexmidlemv 5664 genipv 7129 ltexpri 7233 sqne2sq 11494 |
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