@Lafari to No Stupid Questions • 11 months agoIs "If A then B" equal to "B if and only if A"?message-square61arrow-up151arrow-down111
arrow-up140arrow-down1message-squareIs "If A then B" equal to "B if and only if A"?@Lafari to No Stupid Questions • 11 months agomessage-square61
minus-squareBananaTrifleViolinlinkfedilink7•edit-211 months agoActually a good example: If you have AIDs (A) then you have HIV (B). True You have HIV (B) if, and only if, you have AIDS (A). Not true If you don’t have HIV (B), then you don’t have AIDs (A). True, and the actual inverse of “If A then B”; which is “If not B, then not A”
minus-squareAmidFurorlinkfedilink5•11 months agoIt’s important to stress the “full blown” modifier in any example.
Not just HIV, but full blown AIDS?
Actually a good example:
It’s important to stress the “full blown” modifier in any example.