M=
Mary is working late. -
N=
Mary will make supper. -
J=
John is working late. -
K=
John will make supper. -
L=
John is very hungry. Symbolize all of the following sentences in TFL, using the symbolization key above. 2.D.1 Mary and John are both working late. Submit Mary and John are both working late. 2.D.2 John will make supper only if Mary is working John will make supper only if Mary is working late. 2.D.3 John works late if and only if Mary does not. Submit John works late if and only if Mary does not. 2.D.4 Either John or Mary will make supper. Submit Either John or Mary will make supper. 2.D.5 Neither John nor Mary will make supper. Neither John nor Mary will make supper. 2.D.6 John is not very hungry if he's working late. John is not very hungry if he's working late.