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Mirrors > Home > ILE Home > Th. List > nfim1 | Unicode version |
Description: A closed form of nfim 1504. (Contributed by NM, 5-Aug-1993.) (Revised by Mario Carneiro, 24-Sep-2016.) (Proof shortened by Wolf Lammen, 2-Jan-2018.) |
Ref | Expression |
---|---|
nfim1.1 | |
nfim1.2 |
Ref | Expression |
---|---|
nfim1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfim1.1 | . . . 4 | |
2 | 1 | nfri 1452 | . . 3 |
3 | nfim1.2 | . . . 4 | |
4 | 3 | nfrd 1453 | . . 3 |
5 | 2, 4 | hbim1 1502 | . 2 |
6 | 5 | nfi 1391 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wnf 1389 |
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-5 1376 ax-gen 1378 ax-4 1440 ax-ial 1467 ax-i5r 1468 |
This theorem depends on definitions: df-bi 115 df-nf 1390 |
This theorem is referenced by: nfim 1504 cbv1 1672 hbsbd 1899 |
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