Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > bimsc1 | Unicode version |
Description: Removal of conjunct from one side of an equivalence. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
bimsc1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 103 | . . . 4 | |
2 | ancr 304 | . . . 4 | |
3 | 1, 2 | impbid2 131 | . . 3 |
4 | 3 | bibi2d 221 | . 2 |
5 | 4 | biimpa 280 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 wb 98 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 |
This theorem depends on definitions: df-bi 110 |
This theorem is referenced by: bm1.3ii 3878 bdbm1.3ii 10011 |
Copyright terms: Public domain | W3C validator |