Therefore, some Californians are not nurses . First, underline the terms that are distributed, then apply the rules. All three rules are met. So, the syllogism is valid. No shady characters are honest .
Some shady characters are highly respected people.
Therefore, some highly respected people are honest. Underline the distributed terms, then apply the rules. Remember a syllogism may break more than one rule, but the breaking of one rule is sufficient to render the syllogism invalid. So, we know that the syllogism is invalid. For practice, let s apply rules 2 and 3 also.