Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > imp4c | Unicode version |
Description: An importation inference. (Contributed by NM, 26-Apr-1994.) |
Ref | Expression |
---|---|
imp4.1 |
Ref | Expression |
---|---|
imp4c |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imp4.1 | . . 3 | |
2 | 1 | impd 242 | . 2 |
3 | 2 | impd 242 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 |
This theorem is referenced by: imp44 338 imp5g 342 |
Copyright terms: Public domain | W3C validator |