Question 21 consider the following argument: if serbia goes to war with austria-hungary, then russia goes to war with austria-hungary. if russia goes to war with austria-hungary, then germany goes to war with russia. so, if serbia goes to war with austria- hungary, then germany goes to war with russia. what is the logical form of this argument? o a. hypothetical syllogism o b. affirming a disjunct o c. affirming the consequent d. modus ponens o e. disjunctive syllogism