EXAMPLE2 Predicates and Quantiflers 调词与量词 Let Q(x, y) denote the statement" x=y+3. What are the truth values of the propositions Q(1,2)andQ(3,0)? Q(12)=F Q(3,0)=.T 2/24/202111:37PM Deren Chen, ZheJiang UnivP redica t es a nd Qua nt if iers 谓词与量词 2/24/2021 11:37 PM Deren Chen, ZheJiang Univ. 6 EXAMPLE 2 Let Q(x, y) denote the statement "x = y + 3." What are the truth values of the propositions Q(1, 2) and Q(3, 0)? Q(1,2)= .F. Q(3,0)= .T