Vague laws set vague limits on people's freedom, which makes it impossible for them to know for certain whether their...

Katie10 September 16, 2014

Diagram?

I understand why A is correct and not C, but could to show us the diagram for both?

Create a free account to read and take part in forum discussions.

Already have an account? log in

Naz September 25, 2014

(A): "People can feel secure only if they know for certain whether their actions are legal."

Remember, "only if" introduces a necessary condition.

We can rewrite this: If people can feel secure, then they know for certain whether their actions are legal.,

PFS ==> KCWAL
not KCWAL ==> not PFS

(C): "If people know for certain whether their actions are legal, they can feel secure."

Here, "if" introduces the sufficient condition.

KCWAL ==> PFS
not PFS ==> not KCWAL

Hope that helps! Please let us know if you have any other questions.