SLR(I, called simple lr(1)parsing, uses the DFA of sets of lr(O) items as constructed in the previous section sLR(I increases the power of lr(o) parsing significant by using the next token in the input strin g First, it consults the input token before a shift to make sure that an appropriate dFa transition exists Second. it uses the follow set of a non -terminal to decide if a reduction should be performedSLR(1), called simple LR(1) parsing, uses the DFA of sets of LR(0) items as constructed in the previous section SLR(1) increases the power of LR(0) parsing significant by using the next token in the input string – First, it consults the input token before a shift to make sure that an appropriate DFA transition exists – Second, it uses the Follow set of a non-terminal to decide if a reduction should be performed