Mathematics, 07.12.2019 06:31 desireeandrada9

For the following wffs, indicate which variables are free and which are bound (you can use 'f' for free and 'b' for bound.) make sure you draw a vertical line underneath each variable with the letters 'f' or 'b' at the bottom of each vertical line.

(a) (x) (y) (z) ((fxy --> gxy) v (hxa --> hzbu))

(b) (z) (ex) (y) (axayzw v bxycuvz)

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For the following wffs, indicate which variables are free and which are bound (you can use 'f' for f...