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Mirrors > Home > NFE Home > Th. List > nfim1 | Unicode version |
Description: A closed form of nfim 1813. (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 |
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nfim1.2 |
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Ref | Expression |
---|---|
nfim1 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfim1.1 |
. . . 4
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2 | 1 | nfri 1762 |
. . 3
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3 | nfim1.2 |
. . . 4
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4 | 3 | nfrd 1763 |
. . 3
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5 | 2, 4 | hbim1 1810 |
. 2
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6 | 5 | nfi 1551 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-6 1729 ax-11 1746 |
This theorem depends on definitions: df-bi 177 df-ex 1542 df-nf 1545 |
This theorem is referenced by: nfim 1813 sbco2d 2087 |
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