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Mirrors > Home > ILE Home > Th. List > pm3.2im | Unicode version |
Description: In classical logic, this is just a restatement of pm3.2 137. In intuitionistic logic, it still holds, but is weaker than pm3.2. (Contributed by Mario Carneiro, 12-May-2015.) |
Ref | Expression |
---|---|
pm3.2im |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm2.27 39 | . 2 | |
2 | 1 | con2d 586 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-in1 576 ax-in2 577 |
This theorem is referenced by: expi 599 jc 612 expt 615 imnan 656 dfandc 811 |
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