How is the law of supply similar to the law of demand?

If the demand for a commodity increases, but the supply does not increase equally, the price will increase. If the supply of a commodity increases, but the demand for that commodity does not increase equally, the price will decrease. If the demand for a commodity decreases, but the supply does not decrease equally, the price will decrease. If the supply of a commodity decreases, but the demand does not decrease equally, the price will increase.