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Mirrors > Home > ILE Home > Th. List > nfsuc | Unicode version |
Description: Bound-variable hypothesis builder for successor. (Contributed by NM, 15-Sep-2003.) |
Ref | Expression |
---|---|
nfsuc.1 |
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Ref | Expression |
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nfsuc |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-suc 4251 |
. 2
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2 | nfsuc.1 |
. . 3
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3 | 2 | nfsn 3547 |
. . 3
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4 | 2, 3 | nfun 3196 |
. 2
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5 | 1, 4 | nfcxfr 2250 |
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 681 ax-5 1404 ax-7 1405 ax-gen 1406 ax-ie1 1450 ax-ie2 1451 ax-8 1463 ax-10 1464 ax-11 1465 ax-i12 1466 ax-bndl 1467 ax-4 1468 ax-17 1487 ax-i9 1491 ax-ial 1495 ax-i5r 1496 ax-ext 2095 |
This theorem depends on definitions: df-bi 116 df-tru 1315 df-nf 1418 df-sb 1717 df-clab 2100 df-cleq 2106 df-clel 2109 df-nfc 2242 df-v 2657 df-un 3039 df-sn 3497 df-pr 3498 df-suc 4251 |
This theorem is referenced by: (None) |
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