Prove by direct proof, using only equivalence and inference rules. Remember to name each rule used.

1. (p ^ q) → r

2. p ^ ¬ r

Therefore ¬q.

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- October 17th 2008, 02:14 PMcaptainjapanProofs
Prove by direct proof, using only equivalence and inference rules. Remember to name each rule used.

1. (p ^ q) → r

2. p ^ ¬ r

Therefore ¬q. - October 17th 2008, 03:32 PMPlato

You fill in the reasons. - October 17th 2008, 03:56 PMSoroban
Hello, captainjapan!

. Alternate definition of implication (ADI)

Quote:

Prove by direct proof, using only equivalence and inference rules.

Remember to name each rule used.

. .

- October 17th 2008, 04:18 PMPlato