Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > 3impdir | Unicode version |
Description: Importation inference (undistribute conjunction). (Contributed by NM, 20-Aug-1995.) |
Ref | Expression |
---|---|
3impdir.1 |
Ref | Expression |
---|---|
3impdir |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3impdir.1 | . . 3 | |
2 | 1 | anandirs 557 | . 2 |
3 | 2 | 3impa 1133 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 w3a 919 |
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 df-3an 921 |
This theorem is referenced by: nnanq0 6648 divcanap7 7809 |
Copyright terms: Public domain | W3C validator |