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Mirrors > Home > ILE Home > Th. List > imp4d | Unicode version |
Description: An importation inference. (Contributed by NM, 26-Apr-1994.) |
Ref | Expression |
---|---|
imp4.1 |
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Ref | Expression |
---|---|
imp4d |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imp4.1 |
. . 3
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2 | 1 | imp4a 349 |
. 2
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3 | 2 | impd 254 |
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 106 ax-ia2 107 ax-ia3 108 |
This theorem depends on definitions: df-bi 117 |
This theorem is referenced by: imp45 357 tfrlem9 6314 uzind 9353 facdiv 10702 |
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