let p represent the statement, " amy is the truth," let q represent the statement, "bill is telling the truth," and let r be the statement, " chris is truth." write the following three statement using propositional logic.
1. bill or chris is lying
2. chris is lying
3. amy and chris are telling the truth.
use the above information to determine if amy, bill or chris (all? none?) is telling the truth given that
amy is the one who said statement 1,bell is the one who said statement 2 ,and chris is the one who said statement 3.