Existence of a solution of linear programming modulo p: ·What is the alphabet? {0,1,,p-1,#} ·What is the“existence"? SoL-IPp={(A,b)∈{0,1，，p-1,#}*lif A is an m×n matrix over Zp,m,n∈N-{o,andb∈Zr,then there exists X∈(Zp)"such that AX≡b(modp)}.Existence of a solution of linear programming modulo p: • What is the alphabet? • What is the “existence”?