EXAMPLE3 Predicates and Quantiflers 调词与量词 R(x,, 2): x+y=z What are the truth values of the propositions R(1,2,3)andR(0,0,1)? R(1,2,3)=.T R(0,0,1)=F 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. 7 EXAMPLE 3 R(x,y,z): x+y=z What are the truth values of the propositions R(1, 2, 3) and R(0, 0, 1)? R(1,2,3)=.T. R(0,0,1)=.F