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Mirrors > Home > QLE Home > Th. List > i1i2con2 | Unicode version |
Description: Correspondence between Sasaki and Dishkant conditionals. |
Ref | Expression |
---|---|
i1i2con2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | i1i2 266 | . 2 | |
2 | ax-a1 30 | . . . 4 | |
3 | 2 | ax-r1 35 | . . 3 |
4 | 3 | ud2lem0a 258 | . 2 |
5 | 1, 4 | ax-r2 36 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wi1 12 wi2 13 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 |
This theorem depends on definitions: df-a 40 df-i1 44 df-i2 45 |
This theorem is referenced by: 2oai1u 822 1oath1i1u 828 |
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