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Mirrors > Home > ILE Home > Th. List > imim12i | Unicode version |
Description: Inference joining two implications. (Contributed by NM, 5-Aug-1993.) (Proof shortened by O'Cat, 29-Oct-2011.) |
Ref | Expression |
---|---|
imim12i.1 | |
imim12i.2 |
Ref | Expression |
---|---|
imim12i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imim12i.1 | . 2 | |
2 | imim12i.2 | . . 3 | |
3 | 2 | imim2i 12 | . 2 |
4 | 1, 3 | syl5 32 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 |
This theorem is referenced by: imim1i 60 hbim 1538 19.38 1669 cbvexdh 1919 exmoeudc 2082 bj-bdfindis 13904 |
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