If Drina has cavities, then her teeth are dirty. If Drina's teeth are dirty, then she has cavities. Drina has cavities if and only if (iff) her teeth are dirty.
****Conditional, Coverse, and Bi-conditional****
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Drina Goes to the Dentist (Geometry Version)
Short StoryRead the first part. Have fun :)
Reasoning 4
If Drina has cavities, then her teeth are dirty. If Drina's teeth are dirty, then she has cavities. Drina has cavities if and only if (iff) her teeth are dirty.
****Conditional, Coverse, and Bi-conditional****