Formally Disproving Divine Command Theory

[FallentoReason]

The commandment, "Thou shall not bear false witness." is less about deception and more about justice. Deception can be a good, like laying a false set of tracks to evade a robber. In contrast, purgery (sp) thwarts the process of justice and false accusations harm the innocent.

Right. So is the statement "the Bible says not to lie" true at all i.e. is there an alternate verse that specifically deals with lying?

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Anyways, Divine command theory is possible without the Bible or Torah or a Holy Book. It can be stating that our morality is a command from God.

Then you have yourself a new Holy Book by definition. If God tells you how to live, then that stops being Deism and it starts being Theism i.e. the belief that God has revealed some nature about himself.

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I've given a similar situation to people, before, though with them being the almost direct cause of somebody's death. It goes like this:

If someone broke into your house in the middle of the night and your wife and children were able to fit in the closet - but there wasn't enough space for you, so you wait for the intruder.
The intruder has a gun and asks where the rest of your family are.

We say that you have two choices; tell the intruder where your family is hiding; or lie and say "They're out of town for the weekend."

If you lie, you have sinned and when the intruder murders you - you go to hell, but you have saved the lives of your family.
If you don't lie, you have caused the death of your wife and children.

My scenario seems a lot more harsh, but you may take it how you will. Tell me what you think.

I'm pretty sure that the teacher who died in the Connecticut shootings did exactly this -- the one that hid her students in the closets and told the shooter that they were all at the gym.

Your scenario pretty much sums up what I'm highlighting but also deals with justice as well (the whole bit about being morally right but going to hell).