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Mirrors > Home > ILE Home > Th. List > nfdh | Unicode version |
Description: Deduce that ![]() ![]() |
Ref | Expression |
---|---|
nfdh.1 |
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nfdh.2 |
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Ref | Expression |
---|---|
nfdh |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfdh.1 |
. . 3
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2 | 1 | nfi 1439 |
. 2
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3 | nfdh.2 |
. 2
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4 | 2, 3 | nfd 1504 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1424 ax-gen 1426 ax-4 1488 |
This theorem depends on definitions: df-bi 116 df-nf 1438 |
This theorem is referenced by: hbsbd 1958 |
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