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Discrete structures
| Question | Answer |
|---|---|
| (R V S) V Q = | (Q V S) V R |
| (R V S)' | R' and S' |
| * R -----> S | R' ----> S |
| R = | (R')' |
| R <----> Q | (R---> Q) and (Q ------> P) |
| R , R -----> S | S |
| R ------> S , S' | R' |
| R , S | R and S |
| R V Q, R' | Q |
| P VQ, P' | Q |
| R ---> Q | Q' ---> R' |
| P V (Q and R) | (PV Q) and (PVR) |