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Mirrors > Home > ILE Home > Th. List > imp4a | Unicode version |
Description: An importation inference. (Contributed by NM, 26-Apr-1994.) |
Ref | Expression |
---|---|
imp4.1 |
Ref | Expression |
---|---|
imp4a |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imp4.1 | . 2 | |
2 | impexp 259 | . 2 | |
3 | 1, 2 | syl6ibr 160 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: imp4b 342 imp4d 344 imp55 353 imp511 354 equs5or 1751 reuss2 3244 tfrlem9 5958 facwordi 9667 ndvdssub 10330 |
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