Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > ibd | Unicode version |
Description: Deduction that converts a biconditional implied by one of its arguments, into an implication. (Contributed by NM, 26-Jun-2004.) |
Ref | Expression |
---|---|
ibd.1 |
Ref | Expression |
---|---|
ibd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ibd.1 | . 2 | |
2 | biimp 117 | . 2 | |
3 | 1, 2 | syli 37 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 104 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: pm5.21ndd 700 oibabs 709 sssnm 3739 |
Copyright terms: Public domain | W3C validator |