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Mirrors > Home > ILE Home > Th. List > nfsbd | Unicode version |
Description: Deduction version of nfsb 1882. (Contributed by NM, 15-Feb-2013.) |
Ref | Expression |
---|---|
nfsbd.1 |
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nfsbd.2 |
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Ref | Expression |
---|---|
nfsbd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfsbd.1 |
. . 3
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2 | 1 | nfri 1467 |
. 2
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3 | nfsbd.2 |
. . 3
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4 | 3 | alimi 1399 |
. 2
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5 | nfsbt 1910 |
. 2
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6 | 2, 4, 5 | 3syl 17 |
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 671 ax-5 1391 ax-7 1392 ax-gen 1393 ax-ie1 1437 ax-ie2 1438 ax-8 1450 ax-10 1451 ax-11 1452 ax-i12 1453 ax-bndl 1454 ax-4 1455 ax-17 1474 ax-i9 1478 ax-ial 1482 ax-i5r 1483 |
This theorem depends on definitions: df-bi 116 df-nf 1405 df-sb 1704 |
This theorem is referenced by: nfeud 1976 nfabd 2259 nfraldya 2428 nfrexdya 2429 cbvrald 12576 |
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