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Mirrors > Home > ILE Home > Th. List > nfabd | Unicode version |
Description: Bound-variable hypothesis builder for a class abstraction. (Contributed by Mario Carneiro, 8-Oct-2016.) |
Ref | Expression |
---|---|
nfabd.1 |
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nfabd.2 |
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Ref | Expression |
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nfabd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfv 1466 |
. 2
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2 | df-clab 2075 |
. . 3
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3 | nfabd.1 |
. . . 4
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4 | nfabd.2 |
. . . 4
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5 | 3, 4 | nfsbd 1899 |
. . 3
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6 | 2, 5 | nfxfrd 1409 |
. 2
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7 | 1, 6 | nfcd 2223 |
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 104 ax-ia2 105 ax-ia3 106 ax-io 665 ax-5 1381 ax-7 1382 ax-gen 1383 ax-ie1 1427 ax-ie2 1428 ax-8 1440 ax-10 1441 ax-11 1442 ax-i12 1443 ax-bndl 1444 ax-4 1445 ax-17 1464 ax-i9 1468 ax-ial 1472 ax-i5r 1473 |
This theorem depends on definitions: df-bi 115 df-nf 1395 df-sb 1693 df-clab 2075 df-nfc 2217 |
This theorem is referenced by: nfsbcd 2859 nfcsb1d 2961 nfcsbd 2964 nfifd 3416 nfunid 3658 nfiotadxy 4978 |
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