Part F: Provide proofs to show each of the following:
1. M & (not N -> not M) |-- (N & M) v not M
2. {C -> (E & G), -C -> G} + G
3. {(Z & K) harr (Y & M), D & (D -> M)} + Y -> Z
4. {(W v x) v (Y v Z), x -> Y, -Z} |-- W v Y
Part F: Provide proofs to show each of the following:
1. IM & ONMHN & MVTM
2. 2CE & G - CGHG
3. 3Z & KY & MD & DMYZ
4. 4{WVXVYVZXYZHWVY