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Mirrors > Home > ILE Home > Th. List > imim1i | Unicode version |
Description: Inference adding common consequents in an implication, thereby interchanging the original antecedent and consequent. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 4-Aug-2012.) |
Ref | Expression |
---|---|
imim1i.1 |
Ref | Expression |
---|---|
imim1i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imim1i.1 | . 2 | |
2 | id 19 | . 2 | |
3 | 1, 2 | imim12i 58 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 |
This theorem is referenced by: jarr 96 bi3ant 222 pm3.41 324 pm3.42 325 jarl 616 pm2.67-2 666 oibabs 833 pm2.85dc 844 peircedc 853 3jaob 1233 hbim 1477 hbimd 1505 i19.39 1571 hbae 1646 sbcof2 1731 sb4or 1754 tfi 4323 dmcosseq 4621 fliftfun 5456 ac6sfi 6379 setindis 10762 bdsetindis 10764 |
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