1. Generalize your opponent proposition – Or even exaggerate it.  The more general your opponent’s proposition becomes, the more loop holes you can find against it.  On the other end, the more narrow the propositions become, the more easier they can defend.
2. Use different meanings of the words – Be attentive and focus on key words that is vulnerable in his defense.  Play with the words used.  Derive a different meaning of the key word to refute his argument.
3. Ignore your opponent’s proposition – Understand it first before refuting it.  Determine things that is out of the current proposition and attack from there.
4. Do not reveal your conclusion until the end – Mingle with all your propositions and direct your opponent to agree with them.  There is no need to have a definite order.  Till all major agreements of your proposition are on your side, then you reveal the conclusion.
5. Use your opponent’s beliefs to contradict him – If your opponent does not agree with what you proposed, find loop holes in his beliefs (that contradicts to what he proposed) to support your proposition.
6. Confuse the issue by changing words.
7. Give facts – Show the truth of your proposition by asking the opponent questions that they cannot deny.  Cold hard facts does not allow any room for discussion!
8. Drive your opponent mad – Studies have shown that an angered individual loose his judgement for a few seconds.  Therefore, but angering him, his level of judgment or logical calculations may deplete which is advantageous to you.
9. Use your opponent’s answer to reach different conclusions – Make multiple conclusions of your opponent’s answer.  The intend is to confuse of what your opponent meant.
10. Confuse your opponent by asking them to concede the opposite of your propositions.  Then work backwards on the loopholes after he concede the opposite side of your proposition.

It will the best scenario that you are not in an argument with anyone.  If you do, you can use these tips to your advantage as a preemptive measure against angered individuals at work.  Remember, do not start any argument unless really really necessary.  If you do, you might be the angered individual in your office.